Keysight N9925A Fieldfox handheld analyzer Datasheet

Keysight Technologies
FieldFox Handheld Analyzers
4/6.5/9/14/18/26.5/32/44/50 GHz
Data Sheet
N9913A
N9914A
N9915A
N9916A
N9917A
N9918A
N9925A
N9926A
N9927A
N9928A
N9950A
N9951A
N9952A
N9935A
N9936A
N9937A
N9938A
N9960A
N9961A
N9962A
02 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Table of Contents
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Cable and Antenna Analyzer and Vector Network Analyzer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Corrected Measurement Uncertainty for N9913A/14A/15A/16A/17A/18A and N9925A/26A/27A/28A . . . . . . . . . . . . . . . . . . . . . . . 9
Corrected Measurement Uncertainty for N9950A/51A/52A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
TDR Cable Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
VNA Time Domain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Mixed-Mode S-Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Vector Voltmeter (VVM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Spectrum Analyzer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Tracking Generator or Independent Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Real-Time Spectrum Analyzer (RTSA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Spectrum Analyzer IF Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Preamplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Interference Analyzer and Spectrogram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Channel Scanner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
AM/FM Analog demodulation, Tune and Listen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Spectrum Analyzer Time Gating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Reflection Measurements (RL, VSWR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Extended Range Transmission Analysis (ERTA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Built-in Power Meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
External USB Power Sensor Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Pulse Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
USB Power Sensor Measurements Versus Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Built-In GPS Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
DC Bias Variable-Voltage Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Remote Control Capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
This data sheet provides the specified and typical performance of the FieldFox family of portable analyzers. This data sheet should
be used in conjunction with the technical overviews and configuration guide, for a complete description of the analyzers.
The specifications and measurement capabilities listed in this document require certain options on the FieldFox analyzer. Refer to
the FieldFox Configuration Guide to obtain option information. The configuration guide (http://literature.cdn.keysight.com/litweb/
pdf/5990-9836EN.pdf) is the main resource for option/measurement capability information.
03 | Keysight | FieldFox Handheld Analyzers - Data Sheet
Definitions
Specification (spec)
Specifications include guardbands to account for the expected statistical performance distribution, measurement uncertainties, and
changes in performance due to environmental conditions. Specifications are warranted performance. FieldFox must be within its
calibration cycle. No warm-up required for the specifications listed on pages 20 through 39.
Typical
Describes additional product performance information not covered by the product warranty. It is performance beyond specifications
that 80% of the units exhibit with a 95% confidence level over the temperature range 23 ± 5 ºC, unless otherwise noted. Typical
performance does not include measurement uncertainty. FieldFox must be within its calibration cycle.
Nominal
A general, descriptive term or design parameter. It is not tested, and not covered by the product warranty. FieldFox must be within
its calibration cycle.
04 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Cable and Antenna Analyzer and Vector Network Analyzer
The performance listed in this section applies to the cable and antenna analyzer (referred to as CAT) and vector network analyzer
(VNA) capabilities available in the following models:
–– FieldFox RF & microwave (combination) analyzers: N
9913A, N9914A, N9915A, N9916A, N9917A, N9918A
N9950A, N9951A, N9952A
–– FieldFox microwave vector network analyzers: N9925A, N9926A, N9927A, N9928A
NOTE: Combination analyzers = Cable and antenna tester (CAT) + Vector network analyzer (VNA) + Spectrum analyzer (SA)
Frequency specifications
N991xA, N992xA
N995xA
Models
Frequency range
N9913A
30 kHz to 4 GHz
N9914A
30 kHz to 6.5 GHz
N9915A, N9925A
30 kHz to 9 GHz
N9916A, N9926A
30 kHz to 14 GHz
N9917A, N9927A
30 kHz to 18 GHz
N9918A, N9928A
30 kHz to 26.5 GHz
N9950A
300 kHz to 32 GHz
N9951A
300 kHz to 44 GHz
N9952A
300 kHz to 50 GHz
Frequency reference, -10 to 55 °C
Accuracy
± 0.7 ppm (spec) + aging
± 0.4 ppm (typical) + aging
Accuracy, when locked to GPS
± 0.010 ppm (spec)
Accuracy, when GPS antenna
is disconnected
± 0.2 ppm (nominal) 1
Aging Rate
± 1 ppm/yr for 20 years (spec), will not exceed ± 3.5 ppm
Frequency resolution
(start, stop, center, marker)
Spec
Frequency ≤ 5 GHz
1 Hz
Frequency ≤ 10 GHz
1.34 Hz
Frequency ≤ 20 GHz
2.68 Hz
Frequency ≤ 40 GHz
5.36 Hz
Frequency ≤ 50 GHz
8.04 Hz
Data points of resolution
101, 201, 401, 601, 801, 1001, 1601, 4001, 10,001
Arbitrary number of points settable through front panel and SCPI
IF bandwidth
2
10 Hz, 30 Hz, 100 Hz, 300 Hz, 1 kHz, 3 kHz, 10 kHz, 30 kHz, 100 kHz
System impedance
50 Ω (nominal), 75 Ω with appropriate adapter and calibration kit
1.
The maximum drift expected in the frequency reference applicable when the ambient temperature changes ±5 °C from the temperature when the GPS signal
was last connected
2. VNA mode only. Recommend using averaging in CAT mode
05 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Cable and Antenna Analyzer and Vector Network Analyzer (continued)
Test port output specifications
High power in N991xA and N992xA refers to the target output power level of the analyzer when the Power Setting is set to High. As an
example, if you have a frequency sweep from 3 to 6.5 GHz, the analyzer will achieve the power level of -1 dBm across the band.
Low power level for N991xA and N992xA analyzers is a flat -45 dBm across the whole frequency band, and is the output of the analyzer
when the Power Setting is set to Low.
_____________________________________________________________________________________________________________________________
High power in the N995xA refers to the target output power level of the analyzer when the Power Setting is set to High. As an example,
if you have a frequency sweep from 39 to 46 GHz, the analyzer will achieve the power level to -2 dBm across the band.
Low power level for N995xA analyzers is the lowest power level that can be set and is the output of the analyzer when the Power Setting
is set to Low.
Max leveled power in the N995xA refers to the maximum leveled (flattened) power that can be achieved across the designated frequency
range. For example, if you have a frequency sweep from 32 to 44 GHz, and set up the analyzer to measure all four S-parameters, needing
both ports 1 and 2, the maximum power the analyzer can be set to is -6 dBm.
Test port output power (dBm), high power
Typical
Nominal
port 1 or port 2
port 1 or port 2
30 to 300 kHz
-11
—
> 300 kHz to 2 MHz
-3
-2
> 2 to 625 MHz
-2
-1
> 625 MHz to 3 GHz
1
3
> 3 to 6.5 GHz
-1
1
> 6.5 to 9 GHz
-2
0
> 9 to 14 GHz
-4
-2.5
> 14 to 18 GHz
-6
-4.5
> 18 to 23 GHz
-10
-8.5
> 23 to 26.5 GHz
-12
-11
N991xA, N992xA
Test port output power (dBm), low power
Typical
Nominal
N991xA, N992xA
port 1 or port 2
port 1 or port 2
30 kHz to 26.5 GHz
—
-45 (flattened)
06 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Cable and Antenna Analyzer and Vector Network Analyzer (continued)
Test port output specifications (continued)
Test port output power (dBm), high power
Typical
N995xA
Port 1
Nominal
Port 2
300 kHz to 2 MHz
0
0
—
> 2 MHz to 1 GHz
2
2
—
> 1 to 6.5 GHz
2
0
—
> 6.5 to 18 GHz
4
1
—
> 18 to 39 GHz
1
-2
—
> 39 to 46 GHz
-2
-5
—
> 46 to 50 GHz
-4
Test port output power (dBm), low power
-7
Typical
N995xA
—
Nominal
Port 1
Port 2
500 kHz to 10 MHz
-35
-38
—
> 10 MHz to 10 GHz
-38
-42
—
> 10 to 20 GHz
-43
-47
—
> 20 to 44 GHz
-44
-50
—
> 44 to 50 GHz
-53
-55
—
Max leveled output power (dBm)
Typical
N995xA
Nominal
Port 1
Port 2
500 kHz to 10 MHz
-2
-2
—
> 10 MHz to 25 GHz
0
0
—
> 25 to 32 GHz
0
-4
—
> 32 to 44 GHz
-3
-6
—
> 44 to 50 GHz
-7
-10
—
Output power range
CAT
High, low, and manual. Default (preset) power is high
Manual power is flattened.
VNA
High, low, and manual. Default (preset) power is manual, −15 dBm.
Manual power is flattened.
Power step size
Power settable in 1 dB steps across power range. Flat power, in 1 dB steps, is available across the
whole frequency span, nominal
Power level accuracy 1
Typical
N991xA, N992xA
± 1.5 dB at −15 dBm, for frequencies > 250 kHz
N995xA
± 0.7 dB at -15 dBm, for frequencies > 500 kHz to 10 MHz
± 0.5 dB at -15 dBm, for frequencies > 10 MHz to 50 GHz
Power level linearity
Nominal
N995xA
Port 1 or port 2, −25 dBm ≤ P < max leveled power each port
10 MHz to 50 GHz
± 0.5 dB
1.
N991xA and N992xA power levels are calibrated in the factory using a broadband power sensor, which means all tones (fundamental and harmonics) are
included. N995xA power levels are calibrated based on PNA-X’s tuned receiver, which means primarily the fundamental is included (for frequency ≥ 10 MHz).
07 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Cable and Antenna Analyzer and Vector Network Analyzer (continued)
System performance specifications
System dynamic range 1,2 (dB), high power, 300 Hz IFBW, 100 point average, Port 1 or port 2 (-10 to 55 ºC)
Frequency
N991xA, N992xA
N995xA
Spec
Typical
95
100
> 9 to 14 GHz
91
97
> 14 to 18 GHz
90
94
> 18 to 20 GHz
87
90
> 20 to 25 GHz
74
79
> 25 to 26.5 GHz
65
70
> 300 kHz to 1 MHz
—
70 (nominal)
> 1 to 10 MHz
—
100 (nominal)
> 10 MHz to 20 GHz 4
100
110
> 20 to 44 GHz
5
90
100
> 44 to 50 GHz
6
81
> 300 kHz to 9 GHz
3
Temperature stability
90
Nominal
Frequency
Magnitude (dB/ºC)
Phase (deg/ºC)
≤ 15 GHz
± 0.018
—
> 15 to 26.5 GHz
± 0.080
—
≤ 15 GHz
± 0.005
± 0.1
≤ 25 GHz
± 0.030
± 0.3
> 25 GHz
± 0.060
± 0.6
N991xA, N992xA
N995xA
Return loss, 30 kHz to 26.5 GHz, 1-port cal, 1001 points
433 μs /pt
—
Return loss, 300 kHz to 50 GHz, 1-port cal, 1001 points
—
650 μs /pt
480 μs /pt
650 μs /pt
N991xA, N992xA
N995xA
Measurement speed (Sweep time)
CAT
7
Distance-to-fault, 100 meter cable, 1-port cal, 1001 points
7
VNA
N991xA, N992xA
N995xA
S11 and S21, 30 kHz to 26.5 GHz, enhanced response cal,
100 kHz IF bandwidth, 1001 points8
483 μs /pt
—
S11 and S21, 300 kHz to 50 GHz, enhanced response cal,
100 kHz IF bandwidth, 1001 points
—
580 μs /pt
1. System dynamic range is measured in factory with loads on test ports after thru normalization, test port output power high.
2. For CAT mode, “Insertion loss (2-port)”, decrease listed dynamic range specifications by 20 dB, as CAT mode IFBW is fixed at 10 kHz. Can obtain full
dynamic range by using S21 measurement in VNA mode with 100 Hz IFBW.
3. < 300 kHz: 63 dB nominal; 2 to 9 MHz: 85 dB spec, 90 dB typical.
4. Decrease by 3 dB between 15 to 15.8 GHz for S21.
5. Decrease by 5 dB between 21.7 to 22.1 GHz for S21.
6. Decrease by 4 dB between 44 to 50 GHz for S21.
7. 850 μs /pt; applicable for FieldFox with serial number prefix < than MY5607/SG5607/US5607 and FieldFox not upgraded with Option
N9910HU-100/200/300.
8. 850 μs /pt; applicable for FieldFox with serial number prefix < than MY5607/SG5607/US5607 and FieldFox not upgraded with Option
N9910HU-100/200/300/400.
08 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Cable and Antenna Analyzer and Vector Network Analyzer (continued)
Test port input specifications
Trace noise 1, high power, 300 Hz IFBW, Port 1 or port 2
N991xA, N992xA, N995xA
Spec (-10 to 55 ºC)
Frequency
Magnitude (dB rms)
Phase (deg rms)
> 300 kHz to 20 GHz
± 0.004
± 0.07
> 20 to 26.5 GHz
± 0.007
± 0.14
> 26.5 to 30 GHz
± 0.007
± 0.14
> 30 to 50 GHz
± 0.008
± 0.22
Receiver compression
Typical
Frequency
N991xA, N992xA
N995xA
Port 1 or port 2
500 MHz to 1 GHz
+10 dBm, 0.15 dB compression
> 1 to 26.5 GHz
+10 dBm, 0.10 dB compression
2 MHz to 50 GHz
+5 dBm, 0.10 dB compression
Maximum input level
Port 1 or port 2
Average CW power
DC
N991xA, N992xA
+27 dBm, 0.5 watts
± 50 VDC
N995xA
+25 dBm, 0.3 watts
Immunity to interfering signals
± 40 VDC
Nominal
+16 dBm
1.
For CAT mode, increase trace noise by a factor of 5.7, as CAT mode IFBW is fixed at 10 kHz. Can use averaging in CAT mode to reduce trace noise or use VNA
mode with 300 Hz IFBW.
09 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Corrected Measurement Uncertainty for N9913A/14A/15A/16A/17A/18A and
N9925A/26A/27A/28A
CalReady, Type-N test ports; applies to N9913/4/5/6/7A and N9925/6/7A 1
Power level of -15 dBm, 10 Hz IF bandwidth, no averaging, battery saver off, and 30-minute warm-up time. Includes uncertainties due
to drift, noise, compression, and dynamic accuracy. Coverage factor of x1 applied to uncertainties, for ease of comparison with other
industry handheld analyzers.
Transmission uncertainty (S21, S12)
Reflection uncertainty (S11, S22)
1.
Uncertainties shown based on a factory calibration using data-based calibration kits.
10 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Corrected Measurement Uncertainty for N9913A/14A/15A/16A/17A/18A and
N9925A/26A/27A/28A (continued)
Full 2-port QuickCal calibration with load, Type-N (m) device 1
Power level of -15 dBm, 10 Hz IF bandwidth, no averaging, battery saver off, and 30-minute warm-up time. Includes uncertainties due
to drift, noise, compression, and dynamic accuracy. Coverage factor of x1 applied to uncertainties, for ease of comparison with other
industry handheld analyzers.
Transmission uncertainty (S21, S12)
Reflection uncertainty (S11, S22)
1.
Uncertainties shown based on a factory calibration using data-based calibration kits.
11 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Corrected Measurement Uncertainty for N9913A/14A/15A/16A/17A/18A and
N9925A/26A/27A/28A (continued)
Full 2-port calibration, 85518A or 85519A Type-N (m) calibration kit, spec
Power level of -15 dBm, 10 Hz IF bandwidth, no averaging, battery saver off, and 60-minute warm-up time. Includes uncertainties due
to drift, noise, compression, and dynamic accuracy. Coverage factor of x1 applied to uncertainties, for ease of comparison with other
industry handheld analyzers.
Corrected performance (dB)
≤ 0.5 GHz
0.5 to 2 GHz
2 to 9 GHz
9 to 18 GHz
Directivity
44
42
35
32
Source match
37
36
33
30
Load match
38
37
31
27
Reflection tracking
± 0.050
± 0.060
± 0.070
± 0.100
Transmission tracking
± 0.070
± 0.100
± 0.180
± 0.500
Transmission uncertainty (S21, S12)
Reflection uncertainty (S11, S22)
12 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Corrected Measurement Uncertainty for N9913A/14A/15A/16A/17A/18A and
N9925A/26A/27A/28A (continued)
Full 2-port calibration, 85054D Type-N (m) calibration kit, spec
Power level of -15 dBm, 10 Hz IF bandwidth, no averaging, battery saver off, and 60-minute warm-up time. Includes uncertainties due
to drift, noise, compression, and dynamic accuracy. Coverage factor of x1 applied to uncertainties, for ease of comparison with other
industry handheld analyzers.
Corrected performance (dB)
≤ 0.5 GHz
0.5 to 2 GHz
2 to 8 GHz
8 to 18 GHz
Directivity
40
40
36
34
Source match
38
33
33
27
Load match
37
35
32
27
Reflection tracking
± 0.006
± 0.006
± 0.009
± 0.027
Transmission tracking
± 0.070
± 0.100
± 0.150
± 0.430
Transmission uncertainty (S21, S12)
Reflection uncertainty (S11, S22)
13 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Corrected Measurement Uncertainty for N9913A/14A/15A/16A/17A/18A and
N9925A/26A/27A/28A (continued)
CalReady, 3.5 mm test ports; applies to N9918A, N9928A 1
Power level of -15 dBm, 10 Hz IF bandwidth, no averaging, battery saver off, and 30-minute warm-up time. Includes uncertainties due
to drift, noise, compression, and dynamic accuracy. Coverage factor of x1 applied to uncertainties, for ease of comparison with other
industry handheld analyzers.
Transmission uncertainty (S21, S12)
Reflection uncertainty (S11, S22)
1.
Uncertainties shown based on a factory calibration using data-based calibration kits.
14 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Corrected Measurement Uncertainty for N9913A/14A/15A/16A/17A/18A and
N9925A/26A/27A/28A (continued)
Full 2-port calibration, 85520A or 85521A 3.5 mm (m) calibration kit, spec
Power level of -15 dBm, 10 Hz IF bandwidth, no averaging, battery saver off, and 60-minute warm-up time. Includes uncertainties due
to drift, noise, compression, and dynamic accuracy. Coverage factor of x1 applied to uncertainties, for ease of comparison with other
industry handheld analyzers.
Corrected performance (dB)
≤ 0.5 GHz
0.5 to 9 GHz
9 to 18 GHz
18 to 26.5 GHz
Directivity
42
36
32
32
Source match
37
30
28
27
Load match
37
30
28
24
Reflection tracking
± 0.035
± 0.130
± 0.140
± 0.210
Transmission tracking
± 0.070
± 0.290
± 0.330
± 0.520
Transmission uncertainty (S21, S12)
Reflection uncertainty (S11, S22)
15 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Corrected Measurement Uncertainty for N9913A/14A/15A/16A/17A/18A and
N9925A/26A/27A/28A (continued)
Full 2-port calibration, 85052D 3.5 mm calibration kit, spec
Power level of -15 dBm, 10 Hz IF bandwidth, no averaging, battery saver off, and 60-minute warm-up time. Includes uncertainties due
to drift, noise, compression, and dynamic accuracy. Coverage factor of x1 applied to uncertainties, for ease of comparison with other
industry handheld analyzers.
Corrected performance (dB)
≤ 0.5 GHz
0.5 to 8 GHz
8 to 20 GHz
20 to 26.5 GHz
Directivity
42
38
36
30
Source match
37
31
28
25
Load match
38
33
29
24
Reflection tracking
± 0.005
± 0.006
± 0.009
± 0.012
Transmission tracking
± 0.070
± 0.135
± 0.320
± 0.500
Transmission uncertainty (S21, S12)
Reflection uncertainty (S11, S22)
16 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Corrected Measurement Uncertainty for N9950A/51A/52A
Full 2-port calibration, 85056D 2.4 mm calibration kit, spec 1
Power level of -15 dBm, 10 Hz IF bandwidth, no averaging, battery saver off, and 60-minute warm-up time. Includes uncertainties due
to drift, noise, compression, and dynamic accuracy. Coverage factor of x1 applied to uncertainties, for ease of comparison with other
industry handheld analyzers.
Corrected performance (dB)
≤ 2 GHz
2 to 20 GHz
20 to 40 GHz
40 to 50 GHz
Directivity
42
34
26
26
Source match
39
30
23
23
Load match
42
34
26
26
Reflection tracking
± 0.002
± 0.029
± 0.080
± 0.075
Transmission tracking
± 0.003
± 0.034
± 0.109
± 0.105
Transmission uncertainty (S21, S12)
Reflection uncertainty (S11, S22)
1.
Uncertainty curves shown are calculated based on ISO GUM methodology. The values in the table are provided for reference only, in accordance to legacy
uncertainty methods.
17 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Corrected Measurement Uncertainty for N9950A/51A/52A (continued)
Full 2-port calibration, N4693A 2.4 mm ECal kit 1
Power level of -15 dBm, 10 Hz IF bandwidth, no averaging, battery saver off, and 60-minute warm-up time. Includes uncertainties due
to drift, noise, compression, and dynamic accuracy. Coverage factor of x1 applied to uncertainties, for ease of comparison with other
industry handheld analyzers.
Corrected performance (dB)
10 to 50 MHz
50 MHz to 2 GHz
2 to 10 GHz
10 to 20 GHz
20 to 40 GHz
40 to 50 GHz
Directivity
32
42
49
45
41
36
Source match
25
44
42
37
35
32
Load match
25
43
41
36
34
31
Reflection tracking
± 0.050
± 0.030
± 0.040
± 0.050
± 0.060
± 0.080
Transmission tracking
± 0.118
± 0.038
± 0.047
± 0.065
± 0.091
± 0.134
Transmission uncertainty (S21, S12)
Reflection uncertainty (S11, S22)
1.
Uncertainty curves shown are calculated based on ISO GUM methodology. The values in the table are provided for reference only, in accordance to legacy
uncertainty methods.
18 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
The performance listed in TDR cable measurements, VNA time domain, mixed-mode S-parameters and vector voltmeter sections
applies to the capabilities available in the following models:
–– FieldFox RF & microwave analyzers: N9913A, N9914A, N9915A, N9916A, N9917A, N9918A
N9950A, N9951A, N9952A
–– FieldFox microwave vector network analyzers: N9925A, N9926A, N9927A, N9928A
See FieldFox Configuration Guide for option information. Many capabilities listed in this Data Sheet require options.
TDR Cable Measurements
The TDR cable option adds time domain reflectometry (TDR) measurements to FieldFox’s CAT mode. FieldFox’s TDR measurements are
based on an inverse Fourier transform of the frequency-domain data. TDR measurements are useful in not only identifying the location
of faults along cables, but also the nature of the fault. Resistive, inductive and capacitive faults will each have a different response.
These differences help engineers and technicians trouble-shoot line faults.
Measurements: TDR (linear rho) and TDR impedance (ohm)
Y-axis: linear (rho) or impedance (ohm)
X-axis: distance (meters or feet)
VNA Time Domain
In time-domain mode, FieldFox computes the inverse Fourier transform of the frequency-domain data to display reflection or transmission coefficients versus time.
Setup parameters
Time
Start, stop, center, span
Gating
Start, stop, center, span, and on/off
Numbers of points, velocity vector, line loss, window shape, independent control for all four traces
Time stimulus modes
Low-pass step
Low-pass step is similar to a traditional time domain reflectometer (TDR) stimulus waveform. It is used to measure
low-pass devices. The frequency-domain data should extend from DC (extrapolated value) to a higher value.
Low-pass impulse
Low-pass impulse response is used to measure low-pass devices.
Bandpass impulse
The bandpass impulse simulates a pulsed RF signal and is used to measure the time domain response of
band-limited devices.
Windows
The windowing function can be used to filter the frequency domain data and thereby reduce overshoot and ringing in the time domain response.
Windows
Minimum, medium and maximum, manual entry of Kaiser Beta and impulse width.
Gating
The gating function can be used to selectively remove reflection or transmission time domain responses. In converting back to the frequency domain the
effects of the responses outside the gate are removed. The results can be viewed with gating on and off, using two traces.
Gate types
Notch, bandpass
Gate shapes
Maximum, wide, normal, minimum
19 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Mixed-Mode S-Parameters
Mixed-mode S-parameters are also known as balanced measurements.
Measurements
Scc11
Common mode reflection
Sdd11
Differential mode reflection
Scd11
Differential mode stimulus, common mode response
Sdc11
Common mode stimulus, differential mode response
FieldFox’s mixed-mode S-parameter measurements require the use of the default factory calibration or a user 2-port calibration. So
the FieldFox analyzer must be equipped with 2-port measurement functionality to measure mixed-mode S-parameters. Mixed-mode
S-parameters are an extension of the VNA capabilities.
Vector Voltmeter (VVM)
With vector voltmeter mode, you can characterize the difference between two measurements easily. The zeroing function allows you to
create a reference signal, and characterize the difference between two device measurements. The results are shown on a large display
in digital format.
N991xA, N992xA
N995xA
Models
Frequency range
N9913A
30 kHz to 4 GHz
N9914A
30 kHz to 6.5 GHz
N9915A, N9925A
30 kHz to 9 GHz
N9916A, N9926A
30 kHz to 14 GHz
N9917A, N9927A
30 kHz to 18 GHz
N9918A, N9928A
30 kHz to 26.5 GHz
N9950A
300 kHz to 32 GHz
N9951A
300 kHz to 44 GHz
N9952A
300 kHz to 50 GHz
Setup parameters
1-port cable trimming
Reflection or S11 measurement, magnitude and phase
2-port transmission
Transmission or S21 measurement, magnitude and phase
A/B and B/A
Ratio of two receivers or channels, magnitude and phase – Need an external signal generator for the A/B or B/A
measurement
Frequency (one CW frequency point), IF bandwidth - 10 Hz to 100 kHz, output power - Low or high
Ratio accuracy (A/B and B/A)
Must zero, before measuring DUT. Recommend using a high-quality power splitter or 6 dB attenuators to minimize uncertainty due to
mismatch.
N991xA, N992xA, N995xA
1.
Frequency
Nominal
100 to 300 kHz 1
± 1.0
> 300 kHz to 1 MHz
± 0.4
> 1 to 100 MHz
± 0.2
> 100 to 300 MHz
± 0.4
> 300 MHz to 1.5 GHz
± 0.6
> 1.5 to 2 GHz
± 1.0
Does not apply to N995xA models, which start at 300 kHz.
20 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Spectrum Analyzer
The performance listed in this section applies to the spectrum analyzer capabilities available in the following models:
–– FieldFox RF & microwave analyzers: N9913A, N9914A, N9915A, N9916A, N9917A, N9918A
N9950A, N9951A, N9952A
–– FieldFox microwave spectrum analyzers: N
9935A, N9936A, N9937A, N9938A
N9960A, N9961A, N9962A
See FieldFox Configuration Guide for option information. Many capabilities listed in this Data Sheet require options.
Frequency and time specifications
N991xA, N993xA
N995xA, N996xA
Models
Frequency range
N9913A
100 kHz to 4 GHz
Usable to 5 kHz
N9914A
100 kHz to 6.5 GHz
Usable to 5 kHz
N9915A, N9935A
100 kHz to 9 GHz
Usable to 5 kHz
N9916A, N9936A
100 kHz to 14 GHz
Usable to 5 kHz
N9917A, N9937A
100 kHz to 18 GHz
Usable to 5 kHz
N9918A, N9938A
100 kHz to 26.5 GHz
Usable to 5 kHz
N9950A, N9960A
9 kHz to 32 GHz
Usable to 5 kHz
N9951A, N9961A
9 kHz to 44 GHz
Usable to 5 kHz
N9952A, N9962A
9 kHz to 50 GHz
Usable to 5 kHz
The spectrum analyzer is tunable to 0 Hz or DC.
21 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Spectrum Analyzer (continued)
Frequency and time specifications (continued)
Frequency reference, -10 to 55 °C
Accuracy
± 0.7 ppm (spec) + aging
± 0.4 ppm (typical) + aging
Accuracy, when locked to GPS
± 0.010 ppm (spec)
Accuracy, when GPS antenna is disconnected
± 0.2 ppm (nominal) 1
Aging Rate
± 1 ppm/yr for 20 years (spec), will not exceed ± 3.5 ppm
Frequency readout accuracy (start, stop, center, marker)
± (readout frequency x frequency reference
accuracy + RBW centering + 0.5 x horizontal
resolution
Horizontal resolution = frequency span / (trace
points – 1) RBW centering:
–– 5% x RBW, FFT mode (nominal)
–– 16% x RBW, step mode (nominal)
Marker frequency counter
Accuracy
± (marker frequency x frequency reference accuracy + counter resolution)
Resolution
1 Hz
Frequency Span
Spec
Range
0 Hz (zero span), 10 Hz to maximum frequency range of instrument
Resolution
1 Hz
Accuracy
± (2 x RBW centering + horizontal resolution)
Sweep acquisition, span > 0 Hz
Spec
Range
1 to 5000. Number of data acquisitions per measurement. Value is normalized to the minimum
required to achieve amplitude accuracy with CW signals.
± (2 x RBW centering + horizontal resolution) for
detector = Normal
Auto coupled. For pulsed RF signals manually increase the sweep acquisition value to maximize the
pulse spectrum envelope.
Resolution
1
Sweep time readout
Measured value of the time required to complete a sweep from start to finish, including time to tune
receiver, acquire data, and process trace.
Trace update
N991xA, N993xA
Span = 20 MHz, RBW, VBW = 3 kHz
6.7 updates per second
Span = 100 MHz, RBW, VBW autocoupled
15.4 updates per second
Center frequency tune and transfer4
N991xA, N993xA5
N995xA, N996xA
101 points, zero span
70 ms
69 ms
101 points, 1 MHz span
72 ms
72 ms
1.
2.
3.
4.
5.
N995xA, N996xA
8 updates per second
2
3
19 updates per second
The maximum drift expected in the frequency reference applicable when the ambient temperature changes ± 5 °C from the temperature when the GPS
signal was last connected.
1.2 updates per second; applicable for FieldFox with serial number prefix < than MY5607/SG5607/US5607 and FieldFox not upgraded with Option
N9910HU-100/200/300.
4.1 updates per second; applicable for FieldFox with serial number prefix < than MY5607/SG5607/US5607 and FieldFox not upgraded with Option
N9910HU-100/200/300.
Within full frequency range of instrument, not band dependent
Only for serial number prefix starting with MY5607/SG5607/US5607 and FieldFox upgraded with Option N9910HU-100/200/300/400.
22 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Spectrum Analyzer (continued)
Frequency and time specifications (continued)
Sweep time, zero span
Nominal
Range
N991xA, N993xA: 1 μs to 1000 s
N995xA, N996xA: 1 μs to 6000 s
Resolution
100 ns
Readout
Entered value representing trace horizontal scale range
Trigger (for zero span and FFT sweeps)
Trigger type
Free run, external, video, RF burst
Trigger slope
Positive edge, negative edge
Trigger delay
Range: -150 ms to 10 s
Resolution: 100 ns
Auto trigger
Forces a periodic acquisition in the absence of a trigger event
Range: 0 (off) to 10 s
Trigger position (zero span)
Controls horizontal position of the pulse edge; use sweep time to zoom into pulse edge
Range: 0 to 10, integer steps; 0 is left edge of graticule, 10 is right edge of graticule
RF burst trigger
Nominal
Dynamic range
40 dB
Bandwidth
20 MHz
Operating frequency range
20 MHz to maximum instrument frequency
Sweep (trace) point range
All spans
101, 201, 401, 601, 801, 1001 (defaults to 401); arbitrary 2 to 10,001 settable through SCPI
Resolution bandwidth (RBW)
Range (-3 dB bandwidth)
Zero span
10 Hz to 5 MHz
1, 3, 10 sequence
Non-zero span
1 Hz to 5 MHz
1, 1.5, 2, 3, 5, 7.5, 10 sequence < 300 kHz, 300 kHz,
1 MHz, 3 MHz, 5 MHz
Selectivity (−60 dB / −3 dB)
4:1
Step keys change RBW in 1, 3, 10 sequence
Bandwidth accuracy
Zero span
Non-zero span
Nominal
10 Hz to 1 MHz
± 5%
3 MHz
± 10%
5 MHz
± 15%
1 Hz to 100 kHz
± 1%
300 kHz to 1 MHz
± 5%
3 MHz
± 10%
5 MHz
± 15%
1 Hz to 5 MHz
1, 1.5, 2, 3, 5, 7.5, 10 sequence
Video bandwidth (VBW)
23 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Spectrum Analyzer (continued)
Amplitude accuracy and range specifications
Amplitude range
Measurement range
DANL to +20 dBm
Input attenuator range
0 to 30 dB, in 5 dB steps
Preamplifier
Nominal
Frequency range
Full band (100 kHz to maximum frequency of instrument)
Gain
N991xA, N993xA
+20 dB, 100 kHz to 26.5 GHz
N995xA, N996xA
+20 dB, 100 kHz to 7.5 GHz
+15 dB, > 7.5 to 50 GHz
Max safe input level
Average CW power
DC
N991xA, N993xA
+27 dBm, 0.5 watts
± 50 VDC
N995xA, N996xA
+25 dBm, 0.3 watts
± 40 VDC
Display range
Log scale
10 divisions
0.01 to 100 dB/division in 0.01 dB steps
Linear scale
10 divisions
Scale units
dBm, dBmV, dBµV.dBmA, dBµA, W, V, A, dBµV/m, dBµA/m, dBG, dBT
50 MHz absolute amplitude accuracy (dB)
0 dB attenuation, input signal 0 to -35 dBm, peak detector, preamplifier off, 300 Hz RBW, all settings auto-coupled, -10 to 55 °C. No warm-up required.
N991xA, N993xA
Spec (-10 to 55 ºC)
Typical (-10 to 55 ºC)
± 0.30
± 0.10
0 dB attenuation, input signal -5 to -35 dBm, peak detector, preamplifier off, 300 Hz RBW, all settings auto-coupled, -10 to 55 °C. No warm-up required.
N995xA, N996xA
Spec (-10 to 55 ºC)
Typical (-10 to 55 ºC)
± 0.45
± 0.20
Total absolute amplitude accuracy (dB)
10 dB attenuation, input signal -15 to -5 dBm, peak detector, preamplifier off, 300 Hz RBW, all settings auto-coupled, includes frequency response
uncertainties. No warm-up required.
N991xA, N993xA1
Spec (23 ± 5 °C)
Spec (-10 to 55 °C)
Typical (23 ± 5 °C)
Typical (-10 to 55 °C)
100 kHz to 18 GHz
± 0.80
± 1.00
± 0.35
± 0.50
± 1.00
± 1.20
± 0.50
± 0.60
> 18 to 26.5 GHz
Spec (23 ± 5 °C)
Spec (-10 to 55 °C)
Typical (23 ± 5 °C)
Typical (-10 to 55 °C)
9 to 100 kHz
± 1.60
± 2.50
± 0.60
± 1.30
> 100 kHz to 2 MHz
± 1.30
± 1.90
± 0.60
± 0.80
N995xA, N996xA
2
> 2 to 15 MHz
± 1.00
± 1.20
± 0.30
± 0.50
> 15 MHz to 32 GHz
± 0.80
± 1.00 3
± 0.30
± 0.50
> 32 to 40 GHz
± 0.90
± 1.40
± 0.50
± 0.70
> 40 to 43 GHz
± 1.30
± 2.00
± 0.50
± 0.70
> 43 to 50 GHz
± 1.40
± 2.70
± 0.50
± 0.90
1.
9 to 100 kHz: 0.4 dB (nominal) preamp on or off; applicable only for serial number with prefix of MY5607/SG5607/US5607 and FieldFox upgraded with
Option N9910HU-100/200/300/400.
2. Also applies for preamplifier on or off for these models, for measurement frequencies > 100 kHz.
3. Increase by 0.2 dB between 18 and 32 GHz.
24 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Spectrum Analyzer (continued)
Amplitude accuracy and range specifications (continued)
Resolution bandwidth switching uncertainty
Nominal
RBW < 5 MHz
0.0 dB
For signals not at center frequency
0.7 dB peak-to-peak
RF input VSWR
N991xA, N993xA (10 dB attenuation)
N995xA, N996xA (0 dB attenuation)
Nominal
10 MHz to 2.7 GHz
1.7 : 1
> 2.7 to 7.5 GHz
1.5 : 1
> 7.5 to 26.5 GHz
2.2 : 1
10 to 100 MHz
2.0 : 1
> 100 to 500 MHz
1.7 : 1
> 500 MHz to 17 GHz
1.5 : 1
> 17 to 50 GHz
2.2 : 1
Reference level
Range
-210 to +90 dBm
Traces
Detectors
Normal, positive peak, negative peak, sample, average (RMS)
States
Clear/write, max hold, min hold, average, view, blank
Number of averages: 1 to 10,001
Number
4: all four can be active simultaneously and in different states
Markers
Number of markers
6
Type
Normal, delta, marker table
Marker functions
Noise, band power, frequency counter
Audio beep
Volume and tone change with signal strength
Marker table
Display 6 markers
Marker to �
Peak, next peak, peak left, peak right, center frequency, reference level, minimum
Tune frequency, for AM/FM tune and listen
Marker properties
Peak criteria: peak excursion, peak threshold
Delta reference fixed: Off or On
Time zero fixed: Off or On
25 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Spectrum Analyzer (continued)
Dynamic range specifications
Displayed average noise level (DANL) - (dBm)
Input terminated, RMS detection, log averaging, 0 dB input attenuation, reference level of -20 dBm, normalized to 1 Hz RBW
N991xA, N993xA1
Preamp off
Spec (23 ± 5 °C)
Spec (-10 to 55 °C)
Typical (23 ± 5 °C)
Typical (-10 to 55 °C)
2 MHz to 4.5 GHz 2
-137
-135
-139
-138
> 4.5 to 7 GHz
-133
-131
-136
-130
> 7 to 13 GHz
-129
-127
-132
-130
> 13 to 17 GHz
-124
-122
-126
-125
> 17 to 22 GHz
-119
-117
-122
-121
> 22 to 25 GHz
-114
-111
-117
-114
> 25 to 26.5 GHz
-110
-108
-112
-111
Preamp on
Spec (23 ± 5 °C)
Spec (-10 to 55 °C)
Typical (23 ± 5 °C)
Typical (-10 to 55 °C)
2 MHz to 4.5 GHz 2
-153
-151
-155
-154
> 4.5 to 7 GHz
-149
-147
-151
-150
> 7 to 13 GHz
-147
-145
-149
-148
> 13 to 17 GHz
-143
-141
-145
-144
> 17 to 22 GHz
-140
-139
-143
-142
> 22 to 25 GHz
-134
-132
-137
-134
> 25 to 26.5 GHz
-128
-126
-131
-129
N995xA, N996xA
Preamp off
Spec (23 ± 5 °C)
Spec (-10 to 55 °C)
Typical (23 ± 5 °C)
Typical (-10 to 55 °C)
9 kHz to 2 MHz
-91
-91
-118
-118
> 2 MHz to 2.1 GHz
-137
-135
-143
-141
> 2.1 to 2.8 GHz
-135
-133
-142
-140
> 2.8 to 4.5 GHz
-137
-135
-143
-141
> 4.5 to 7 GHz
-134
-133
-140
-138
> 7 to 13 GHz
-134
-132
-141
-139
> 13 to 22 GHz
-132
-129
-140
-137
> 22 to 35 GHz
-130
-127
-137
-134
> 35 to 40 GHz
-122
-119
-132
-129
> 40 to 46 GHz
-119
-116
-126
-123
> 46 to 50 GHz
-117
-112
-124
-120
Preamp on
Spec (23 ± 5 °C)
Spec (-10 to 55 °C)
Typical (23 ± 5 °C)
Typical (-10 to 55 °C)
9 kHz to 2 MHz
-94
-94
-131
-130
> 2 MHz to 2.1 GHz
-153
-151
-159
-158
> 2.1 to 2.8 GHz
-151
-149
-157
-155
> 2.8 to 4.5 GHz
-153
-151
-158
-156
> 4.5 to 7 GHz
-150
-149
-156
-154
> 7 to 13 GHz
-146
-144
-152
-150
> 13 to 22 GHz
-142
-139
-149
-147
> 22 to 35 GHz
-141
-139
-147
-145
> 35 to 40 GHz
-136
-132
-144
-141
> 40 to 46 GHz
-131
-128
-138
-135
> 46 to 50 GHz
-126
-123
-135
-132
1.
9 kHz to 2 MHz: -116 (nominal) preamp off, -120 (nominal) preamp on, applicable only for FieldFox with serial number prefixes of MY5607/SG5607/US5607
and FieldFox upgraded with Option N9910HU-100/200/300/400.
2. 2. Add 4 dB between 2.1 and 2.8 GHz.
26 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Spectrum Analyzer (continued)
Dynamic range specifications (continued)
Residual responses (dBm)
Nominal
N991xA, N993xA
N995xA, N996xA
100 kHz to 13 GHz
-110
-
> 13 to 20 GHz
-90
-
> 20 to 26.5 GHz
-80
-
Input terminated preamp off, 0 dB attenuation
100 kHz to 10 MHz
-
-90
> 10 MHz to 1 GHz
-
-115
> 1 to 30 GHz
-
-120
> 30 to 35 GHz
-
-85
> 35 to 50 GHz
-
-110
Input related responses (dBc)
Nominal
N991xA, N993xA
N995xA, N996xA
-80
-80
< 2.6 GHz, f + 2 x 33.75 MHz
-80
-80
< 2.6 GHz, f – 2 x 866.25 MHz
-80
-80
< 2.6 GHz, f + 2 x 3.63375 MHz
-85
-90
−30 dBm signal at mixer input
(excludes frequencies listed below)
f = center frequency
≥ 2.6 to 7.5 GHz, f + 2 x 33.75 MHz
-80
-80
≥ 2.6 to 7.5 GHz, f + 2 x 866.25 MHz
-80
-80
≥ 2.6 to 7.5 GHz, f + 2 x 9.86625 GHz
-80
-85
≥ 7.5 to 16.3 GHz, f + 2 x 3 .63375 GHz
-65
-65
≥ 16.3 to 26.5 GHz, f – 2 x 3.63375 GHz
-60
—
≥ 7.5 to 26.5 GHz, f + 2 x 33.75 MHz
-80
—
≥ 7.5 to 26.5 GHz, f – 2 x 866.25 MHz
-80
—
≥ 16.3 to 23 GHz, f – 2 x 3.63375 MHz
—
-60
≥ 23 to 32.5 GHz, f + 2 x 3.63375 MHz
—
-65
≥ 32.5 to 43 GHz, f – 2 x 3.63375 MHz
—
-55
≥ 7.5 to 50 GHz, f – 2 x 866.25 MHz
—
-80
≥ 7.5 to 50 GHz, f + 2 x 33.75 MHz
—
Other spurious responses (dBc)
-80
Nominal
N991xA, N993xA
N995xA, N996xA
LO related spurs
-60
-60
Sideband
-80
-80
Second harmonic distortion (dBc)
Nominal
N991xA, N993xA
N995xA, N996xA
≤ 1.3 GHz 1
—
< -75
> 1.3 GHz
—
< -60
< -60
—
< -80
—
-30 dBm signal at mixer input
≤ 4 GHz
1
> 4 GHz
1.
Applies for frequencies > 15 MHz
27 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Spectrum Analyzer (continued)
Dynamic range specifications (continued)
Third order intermodulation distortion (TOI) – (dBm)
Spec
Typical
At 2.4 GHz, +15
< 1 GHz, +10
Two -20 dBm signals, 100 kHz spacing at input mixer (-10 to 55 °C)
N991xA, N993xA
1 to 7.5 GHz, +15
> 7.5 GHz, +21
N995xA, N996xA
At 2.4 GHz, +15
50 to 500 MHz, +9.5
> 500 MHz to 1 GHz, +13
> 1 to 2.4 GHz, +16
> 2.4 to 2.6 GHz, +12
> 2.6 GHz, +13
Spur free dynamic range (dB) at
2.4 GHz 2/3 (TOI – DANL) in 1 Hz RBW
Nominal
N991xA, N993xA
> 105
N995xA, N996xA
> 104
Nominal distortion and noise limited (10 Hz RBW) dynamic range
Applies to N991xA and N993xA
Applies to N995xA and N996xA
28 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Spectrum Analyzer (continued)
Dynamic range specifications (continued)
Phase noise (dBc/Hz)
Noise sidebands, CF = 1 GHz (N991xA, N993xA, N995xA, N996xA)
Offset
Spec (23 ± 5 °C)
Spec (-10 to 55 °C)
Typical (23 ± 5 °C)
Typical (-10 to 55 °C)
10 kHz
−106
−106
−111
−111
30 kHz
−106
−104
−108
−110
100 kHz
−100
−99
−104
−105
1 MHz
−110
−110
−113
−113
3 MHz
−119
−118
−122
−122
5 MHz
−120
−120
−123
−123
Phase noise at different center frequencies (nominal)
Dynamic range versus offset frequency versus RBW (nominal)
29 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Tracking Generator or Independent Source
The performance listed in this section applies to the tracking generator and independent source capabilities available in the following
models:
–– FieldFox RF & microwave analyzers: N9913A, N9914A, N9915A, N9916A, N9917A, N9918A
N9950A, N9951A, N9952A
–– FieldFox microwave spectrum analyzers: N
9935A, N9936A, N9937A, N9938A
N9960A, N9961A, N9962A
See FieldFox Configuration Guide for option information. Many capabilities listed in this Data Sheet require options.
Note: Traditional tracking generators track the receiver frequency only. In FieldFox analyzers, the tracking generator frequency can be
set to either track the receiver frequency, or act as an independent CW source.
N991xA, N993xA
N995xA, N996xA
Models
Tracking generator or independent source frequency range
N9913A
30 kHz to 4 GHz
N9914A
30 kHz to 6.5 GHz
N9915A, N9935A
30 kHz to 9 GHz
N9916A, N9936A
30 kHz to 14 GHz
N9917A, N9937A
30 kHz to 18 GHz
N9918A, N9938A
30 kHz to 26.5 GHz
N9950A, N9960A
300 kHz to 32 GHz
N9951A, N9961A
300 kHz to 44 GHz
N9952A, N9962A
300 kHz to 50 GHz
Power step size
Power settable in 1 dB steps across power range
Functions
Mode
Continuous wave (CW), CW coupled, tracking (swept frequency)
Operations
Normalization, frequency offset, spectral reversal
RF output VSWR
Nominal
10 MHz to 2.7 GHz
1.7 : 1
> 2.7 to 7.5 GHz
1.5 : 1
> 7.5 GHz
2.2 : 1
30 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Tracking Generator or Independent Source (continued)
Output power (dBm)
Frequency
N991xA, N993xA
N995xA, N996xA
Typical
Nominal
30 to 300 kHz
−11
—
> 300 kHz to 2 MHz
−3
−2
> 2 to 625 MHz
−2
−1
> 625 MHz to 3 GHz
1
3
> 3 to 6.5 GHz
−1
1
> 6.5 to 9 GHz
−2
0
> 9 to 14 GHz
−4
−2.5
> 14 to 18 GHz
−6
−4.5
> 18 to 23 GHz
−10
−8.5
> 23 to 26.5 GHz
−12
−11
300 to 500 kHz
­—
−9
−1
—
> 2 MHz to 1 GHz
2
—
> 1 to 6.5 GHz
2
—
> 6.5 to 18 GHz
4
—
> 18 to 26.5 GHz
2
—
> 26.5 to 39 GHz
1
—
−1
—
> 44 to 46 GHz
−2
—
> 46 to 50 GHz
−4
—
Preamp off
Preamp on
> 500 kHz to 2 MHz
> 39 to 44 GHz
Dynamic range (dB)
Frequency
N991xA, N993xA
N995xA, N996xA
Typical, −10 to 55 °C
Nominal
2 MHz to 2 GHz
97
112
> 2 to 7 GHz
93
108
> 7 to 11 GHz
88
103
> 11 to 16 GHz
79
95
> 16 to 21 GHz
71
86
> 21 to 23 GHz
55
70
> 23 to 25 GHz
50
65
> 25 to 26.5 GHz
45
60
500 kHz to 2 MHz
79
100
> 2 MHz to 2.1 GHz
101
115
> 2.1 to 2.8 GHz
99
112
> 2.8 to 4.5 GHz
101
115
> 4.5 to 10 GHz
99
105
> 10 to 18 GHz
88
95
> 18 to 40 GHz
85
90
> 40 to 43 GHz
65
80
> 43 to 50 GHz
73
76
31 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Real-Time Spectrum Analyzer (RTSA)
The performance listed in this section applies to the real-time spectrum analyzer capabilities available in the following models:
–– FieldFox RF & microwave analyzers: N9913A, N9914A, N9915A, N9916A, N9917A, N9918A
N9950A, N9951A, N9952A
–– FieldFox microwave spectrum analyzers: N
9935A, N9936A, N9937A, N9938A
N9960A, N9961A, N9962A
See FieldFox Configuration Guide for option information. Many capabilities listed in this Data Sheet require options.
N991xA, N993xA
N995xA, N996xA
Models
Real-time analysis frequency range
N9913A
100 kHz to 4 GHz
Usable to 5 kHz
N9914A
100 kHz to 6.5 GHz
Usable to 5 kHz
N9915A, N9935A
100 kHz to 9 GHz
Usable to 5 kHz
N9916A, N9936A
100 kHz to 14 GHz
Usable to 5 kHz
N9917A, N9937A
100 kHz to 18 GHz
Usable to 5 kHz
N9918A, N9938A
100 kHz to 26.5 GHz
Usable to 5 kHz
N9950A, N9960A
9 kHz to 32 GHz
Usable to 5 kHz
N9951A, N9961A
9 kHz to 44 GHz
Usable to 5 kHz
N9952A, N9962A
9 kHz to 50 GHz
Usable to 5 kHz
Real-time analysis
Maximum real-time bandwidth
10 MHz
Resolution bandwidth
1 Hz to 500 kHz
Span dependent, 20 ≤ Span/RBW ≤ 280. Default
is 35.7 kHz
Minimum signal duration with 100% probability of intercept (POI)
at full amplitude accuracy
12.2 µs
At 10 MHz span, 500 Hz RBW
Minimum detectable signal
Absolute amplitude accuracy at center frequency
22 ns
Minimum pulse signal duration where measured
amplitude is no worse than 60 dB below a CW
signal for a 10 MHz span and auto coupled RBW
Spurious-free dynamic range across maximum BW
63 dB
FFT rate
120,000 FFT/s
At 10 MHz span
IF flatness (typical)
+/- 0.2 dB <= 26.5 GHz,
+/- 0.3 dB > 26.5 GHz
Number of display points
561
Min. acquisition time
20 ms
At 10 MHz span
Max. acquisition time
500 ms
At 10 MHz span
Traces
Number of traces
4: all four can be active simultaneously and in different states
Detectors
Normal, positive peak, negative peak, sample, average (RMS)
States
Clear/write, max. hold, min. hold, average, view, blank
Markers
Number of markers
6
Type
Normal, delta, peak
Marker →
Peak, next peak, center frequency, reference level, minimum
Trigger
Trigger type
Free run, external video, RF burst, periodic
32 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
The performance listed in these sections below applies to the spectrum analyzer capabilities available in the following models:
–– FieldFox RF & microwave analyzers: N9913A, N9914A, N9915A, N9916A, N9917A, N9918A
N9950A, N9951A, N9952A
–– FieldFox microwave spectrum analyzers: N
9935A, N9936A, N9937A, N9938A
N9960A, N9961A, N9962A
See FieldFox Configuration Guide for option information. Many capabilities listed in this Data Sheet require options.
Spectrum Analyzer IF Output
Description
Center Frequency
33.75 MHz
IF bandwidth
5 MHz (default), 25 MHz
Connector
SMB male
Conversion loss
0 to 27 dB nominal
The loss increases approximately linearly as frequency increases, with ~27 dB loss at 26.5 GHz. Conversion loss is
defined from RF input to SA output with −10 dBm input power, 0 dB attenuation, and preamp off.
Preamplifier
Nominal
Frequency range
Full band (100 kHz to maximum frequency of instrument)
Gain
N991xA, N993xA
+20 dB, 100 kHz to 26.5 GHz
N995xA, N996xA
+20 dB, 100 kHz to 7.5 GHz
+15 dB, > 7.5 to 50 GHz
Interference Analyzer and Spectrogram
Description
Spectrogram display
Overlay, full screen, top, or bottom with active trace
Waterfall angle
Moderate, steep, gradual, wide angle
Markers
Time, delta time
Trace playback and recording
Record all spectrum analyzer measurements
Store data internally or on USB or SD card
Playback recorded data using FieldFox
Frequency mask trigger allows recording to occur upon trigger
Channel Scanner
Description
Scan Mode
Range or custom list
Display Type
Bar chart vertical, bar chart horizontal, channel power, strip chart, chart overlay, scan & listen
Data logging mode
Time with geo tagging
Trace playback and recording
Record channel power measurement
Store data internally or USB or SD card in .csv or .kml format
Playback recorded data using FieldFox
Data in .kml format can be exported to Google Earth
33 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
The performance listed in this section applies to the AM/FM analog demodulation, tune and listen capabilities available in the following
models:
–– FieldFox RF & microwave analyzers: N9913A, N9914A, N9915A, N9916A, N9917A, N9918A
N9950A, N9951A, N9952A
–– FieldFox microwave spectrum analyzers: N
9935A, N9936A, N9937A, N9938A
N9960A, N9961A, N9962A
See FieldFox Configuration Guide for option information. Many capabilities listed in this Data Sheet require options.
AM/FM Analog demodulation, Tune and Listen
Description
Display type
RF spectrum view, demodulated waveform, including peak+ and peak- traces
Audio demodulation type
AM, FM narrow, FM wide, Listen to the tones using FieldFox’s built-in speaker or headphones
Audio bandwidth
16 kHz
Measurement type
RF carrier power (dBm), RF carrier frequency (Hz), modulation rate (Hz), SINAD (dB), THD (%)
Receiver IF bandwidth
Nominal
AM
35 kHz
FM narrow
12 kHz
FM wide
150 kHz
Listen time range
0 to 100 seconds
AM & FM metrics
Nominal
SINAD
2.5 dB to 65 dB
THD
0 to 75%
AM measurements
Nominal
Maximum modulation rate
5 kHz, demod sweep time: 50 µs to 50 ms
Depth
(peak-to-peak/2) (%), ± peak depth (%)
Depth accuracy
±2%
Depth range
Modulation: 0.1 % to 99%
FM measurements
Nominal
Maximum modulation rate
5 kHz, demod sweep time: 50 µs to 50 ms
Frequency deviation
(Hz), ± peak deviation (Hz)
Maximum deviation
30 kHz (typical)
Radio standards
With a radio standard applied, pre-defined frequency bands, channel numbers or uplink / downlink selections can be used instead of
manual frequency entry. The pre-defined FieldFox radio standards include bands such as W-CDMA, LTE, and GSM. Alternately, users
can create custom standards and import them into FieldFox analyzers.
34 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Spectrum Analyzer Time Gating
With time gating, you can measure the spectrum of a periodic signal during a specified time interval. Pulsed-RF signals are an example
of a periodic signal that can be measured with time gating. For example, you can measure the pulse during the on period, not the
transition or the off period. Or you can exclude interfering signals such as a periodic transient. Time gating allows you to view spectral
components that would otherwise be hidden. FieldFox’s time gating method is a Gated FFT.
Description
Gate method
Gated FFT
Span range
Any span
RBW range
1 Hz to 300 kHz (derived from gate width)
Gate delay range
-150 ms to 10 s
Gate width (length) range
6 μs to 1.8 s
Gate sources
External, RF burst, Video
Reflection Measurements (RL, VSWR)
The performance listed in this section applies to the reflection measurements capabilities available in the following models:
–– FieldFox microwave spectrum analyzers: N
9935A, N9936A, N9937A, N9938A1
N9960A, N9961A, N9962A
See FieldFox Configuration Guide for option information. Many capabilities listed in this Data Sheet require options.
N993xA
N996xA
Models
Reflection Measurements
N9935A
30 kHz to 9 GHz
N9936A
30 kHz to 14 GHz
N9937A
30 kHz to 18 GHz
N9938A 1
30 kHz to 26.5 GHz
N9960A
300 kHz to 32 GHz
N9961A
300 kHz to 44 GHz
N9962A
300 kHz to 50 GHz
Measurements
Return loss, VSWR normalization using data/memory
1.
Reflection measurements in N9938A specifically requires 3.5 mm (m) test ports instead of the standard Type-N (f).
35 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Extended Range Transmission Analysis (ERTA)
ERTA specifications apply to the following FieldFox models. The RF & microwave analyzers must be equipped with the spectrum
analyzer option.
–– FieldFox RF & microwave analyzers: N9913A, N9914A, N9915A, N9916A, N9917A, N9918A
N9950A, N9951A, N9952A
–– FieldFox microwave spectrum analyzers: N
9935A, N9936A, N9937A, N9938A
N9960A, N9961A, N9962A
ERTA operation requires two FieldFoxes, each one configured with specific options, and certain accessories.
See FieldFox Configuration Guide for detailed option ordering information. Many capabilities listed in this Data Sheet require options.
System description
ERTA can be used to measure the scalar transmission gain or loss of an RF system. It is useful when measuring long lossy cables where
the two ends cannot easily be brought together, such as those bolted in on ships or aircrafts. It is also useful in measuring the insertion
loss of waveguide systems, or using the frequency-offset feature, devices such as mixers and converters.
ERTA measurements are based on two FieldFoxes; one at each end of the measured DUT. One FieldFox is the source and reference
receiver (R), while the other is the measurement receiver (B). The two FieldFoxes are synchronized using hardware triggering. By taking
advantage of FieldFox’s InstAlign technique, ERTA can be used to make accurate gain or loss measurements.
DUT
36 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Extended Range Transmission Analysis (ERTA) (continued)
Frequency specifications
The ERTA frequency range is limited by each individual analyzer’s frequency range.
N991xA, N993xA
N995xA, N996xA
1.
Models
Reflection measurements
Receiver frequency range1
N9913A
30 kHz to 4 GHz
100 kHz to 4 GHz
N9914A
30 kHz to 6.5 GHz
100 kHz to 6.5 GHz
N9915A, N9935A
30 kHz to 9 GHz
100 kHz to 9 GHz
N9916A, N9936A
30 kHz to 14 GHz
100 kHz to 14 GHz
N9917A, N9937A
30 kHz to 18 GHz
100 kHz to 18 GHz
N9918A, N9938A
30 kHz to 26.5 GHz
100 kHz to 26.5 GHz
N9950A, N9960A
300 kHz to 32 GHz
300 kHz to 32 GHz
N9951A, N9961A
300 kHz to 44 GHz
300 kHz to 44 GHz
N9952A, N9962A
300 kHz to 50 GHz
300 kHz to 50 GHz
The receiver (spectrum analyzer) is usable to 5 kHz, though only specified to 100 kHz or 300 kHz.
Frequency reference
Refer to the frequency accuracy specifications on page 21.
Source output power
Refer to the test port output power typical data on page 5.
Frequency setup parameters
Receiver frequency
Center/span or start/stop (standard spectrum analyzer settings)
Reverse receiver sweep direction (default direction is forward, but can be set to reverse)
Source frequency [Remote]
[Tracking] – FieldFox source tracks the receiver by default. The frequencies are identical.
[CW] – FieldFox’s source can be set to a CW frequency independent of FieldFox’s receiver frequency. FieldFox’s
source is at a single CW frequency; FieldFox’s receiver is swept.
[Coupled CW] – FieldFox’s source CW frequency is auto-coupled to FieldFox’s receiver [Center Frequency] setting.
Frequency-offset capability
This feature allows the FieldFox’s source frequency to be offset from FieldFox’s receiver frequency. The offset frequency can be negative, zero, or positive.
The frequency-offset capability is useful when characterizing the scalar transmission response of devices such as mixers and converters.
Frequency-offset setup parameters
Receiver frequency
Center/span or start/stop (standard spectrum analyzer settings)
Reverse receiver sweep direction (default direction is forward, but can be set to reverse)
Frequency tracking offset
On/Off
Offset values: 0, > 0, < 0
Receiver sweep direction
Reversal: Off
Default setting
Both source and receiver sweep in the forward direction. Receiver stop frequency > Receiver start frequency
Source frequency = Offset + Receiver frequency
Reversal: On
Source and receiver sweep in opposite directions.
Source frequency = Offset − Receiver frequency
Offset > receiver frequency
37 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Extended Range Transmission Analysis (ERTA) (continued)
Dynamic range and maximum attenuation
Dynamic range is the difference between the maximum output power available from FieldFox’s source and the noise floor of the second FieldFox, while ensuring that neither FieldFox’s ADC goes into over-range. Dynamic range also accounts for the loss of the power
splitter. Dynamic range is applicable when testing devices such as filters, where there is low loss in the passband, and significant loss
in the stopband, and both passband and stopband need to be on the display at the same time (same sweep).
Maximum attenuation is the difference between maximum output power available from FieldFox’s source and the noise floor of
FieldFox. It also accounts for the loss of power splitter. Maximum attenuation is applicable when testing devices such as cables, which
have relatively uniform loss over the swept frequency range.
The values shown are based on the recommended minimum RBW of 3 kHz when the frequency references are locked via GPS, and 300
kHz when the frequency references are unlocked. Locking the frequency references to GPS allows for greater frequency accuracy of
the FieldFoxes and use of a narrower RBW, which in turn results in a lower DANL, and hence a wider measurement range. When the
GPS signals cannot be present at all times, the GPS hold-over mode can be used.
Dynamic range (dB)
N991xA, N993xA
Typical
Preamp off
Preamp on
Preamp off
Preamp on
Frequency references
locked to GPS, RBW 3 kHz
Frequency references
locked to GPS, RBW 3 kHz
Frequency references
unlocked, RBW 300 kHz
Frequency references
unlocked, RBW 300 kHz
> 2 MHz 1 to 6 GHz
88
> 6 to 13 GHz
86
> 13 to 22 GHz
70
> 22 to 25 GHz
63
> 25 to 26.5 GHz
58
Maximum attenuation (dB)
83
83
86
83
77
68
66
50
43
38
63
63
66
63
57
N991xA, N993xA
Preamp off
Preamp on
Preamp off
Preamp on
Frequency references
locked to GPS, RBW 3 kHz
Frequency references
locked to GPS, RBW 3 kHz
Frequency references
unlocked, RBW 300 kHz
Frequency references
unlocked, RBW 300 kHz
93
86
70
63
58
108
103
91
83
77
73
66
50
43
38
88
83
71
63
57
> 2 MHz to 6 GHz
> 6 to 13 GHz
> 13 to 22 GHz
> 22 to 25 GHz
> 25 to 26.5 GHz
1.
Dynamic range is decreased from 3 to 9 dB at 2 MHz.
Typical
38 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Extended Range Transmission Analysis (ERTA) (continued)
Dynamic range and maximum attenuation (continued)
Dynamic range (dB)
N995xA, N996xA
Typical
Preamp off
Preamp on
Preamp off
Preamp on
Frequency references
locked to GPS, RBW 3 kHz
Frequency references
locked to GPS, RBW 3 kHz
Frequency references
unlocked, RBW 300 kHz
Frequency references
unlocked, RBW 300 kHz
> 2 to 5 MHz
83
> 5 MHz to 11 GHz
93
> 11 to 19 GHz
95
> 19 to 22 GHz
93
> 22 to 40 GHz
88
> 40 to 43 GHz
82
> 43 to 46 GHz
81
> 46 to 50 GHz
77
Maximum attenuation (dB)
87
97
96
94
90
89
93
88
62
69
71
69
63
57
56
52
58
68
70
68
65
64
68
63
N995xA, N996xA
Preamp off
Preamp on
Preamp off
Preamp on
Frequency references
locked to GPS, RBW 3 kHz
Frequency references
locked to GPS, RBW 3 kHz
Frequency references
unlocked, RBW 300 kHz
Frequency references
unlocked, RBW 300 kHz
100
101
99
95
88
81
77
113
110
108
105
100
93
88
74
76
74
70
63
56
52
88
85
83
80
75
63
63
> 2 MHz to 13 GHz
> 13 to 18 GHz
> 18 to 22 GHz
> 22 to 35 GHz
> 35 to 40 GHz
> 40 to 46 GHz
> 46 to 50 GHz
Typical
Absolute power and gain measurement uncertainties
Verified with input level of -10 dBm, peak detector, 10 dB attenuation, preamplifier off, all settings auto-coupled, no warm-up required.
Includes frequency response uncertainties. Assumes an ERTA system using a Keysight 11667A, 11667B, or 11667C power splitter.
N991xA and N993xA
Input power (R) measurements uncertainty, 30 kHz RBW (dB)
Spec (23 ± 5 ºC)
Spec (-10 to 55 ºC)
Typical (23 ± 5 ºC)
Typical (-10 to 55 ºC)
100 kHz to 18 GHz
± 1.10
± 1.30
± 0.40
± 0.50
> 18 to 26.5 GHz
± 1.40
± 1.50
± 0.50
± 0.60
Output power (B) measurement uncertainty, frequency references locked to GPS, RBW ≥ 3 kHz (dB)
Spec (23 ± 5 ºC)
Spec (-10 to 55 ºC)
Typical (23 ± 5 ºC)
Typical (-10 to 55 ºC)
100 kHz to 18 GHz
± 1.00
± 1.20
± 0.40
± 0.50
> 18 to 26.5 GHz
± 1.20
± 1.40
± 0.50
± 0.60
Output power (B) measurement uncertainty, frequency references unlocked, RBW ≥ 300 kHz (dB)
Spec (23 ± 5 ºC)
Spec (-10 to 55 ºC)
Typical (23 ± 5 ºC)
Typical (-10 to 55 ºC)
100 kHz to 18 GHz
± 1.00
± 1.30
± 0.40
± 0.50
> 18 to 26.5 GHz
± 1.40
± 1.60
± 0.50
± 0.60
Gain/Loss (B/R) measurement uncertainty, frequency references locked to GPS, RBW ≥ 3 kHz (dB)
Spec (23 ± 5 ºC)
Spec (-10 to 55 ºC)
Typical (23 ± 5 ºC)
Typical (-10 to 55 ºC)
100 kHz to 18 GHz
± 1.30
± 1.70
± 0.60
± 0.70
> 18 to 26.5 GHz
± 1.70
± 2.10
± 0.70
± 0.90
Gain/Loss (B/R) measurement uncertainty, frequency references unlocked, RBW ≥ 300 kHz (dB)
Spec (23 ± 5 ºC)
Spec (-10 to 55 ºC)
Typical (23 ± 5 ºC)
Typical (-10 to 55 ºC)
100 kHz to 18 GHz
± 1.40
± 1.70
± 0.70
± 0.70
> 18 to 26.5 GHz
± 2.00
± 2.10
± 0.90
± 1.00
39 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Extended Range Transmission Analysis (ERTA) (continued)
Absolute power and gain measurement uncertainties (continued)
N995xA and N996xA
Input power (R) measurements uncertainty, 30 kHz RBW (dB)
Spec (23 ± 5 ºC)
Spec (-10 to 55 ºC)
Typical (23 ± 5 ºC)
Typical (-10 to 55 ºC)
2 MHz to 18 GHz
± 1.10
± 1.30
± 0.50
± 0.60
> 18 to 32 GHz
± 1.20
± 1.50
± 0.50
± 0.70
> 32 to 40 GHz
± 1.30
± 1.80
± 0.60
± 0.80
> 40 to 43 GHz
± 1.60
± 2.30
± 0.70
± 1.10
> 43 to 50 GHz
± 1.70
± 3.20
± 0.80
± 1.40
Output power (B) measurement uncertainty, frequency references locked to GPS, RBW ≥ 3 kHz (dB)
Spec (23 ± 5 ºC)
Spec (-10 to 55 ºC)
Typical (23 ± 5 ºC)
Typical (-10 to 55 ºC)
2 MHz to 18 GHz
± 0.40
± 1.00
± 0.40
± 0.50
> 18 to 32 GHz
± 0.45
± 1.30
± 0.40
± 0.60
> 32 to 40 GHz
± 0.50
± 1.50
± 0.50
± 0.70
> 40 to 43 GHz
± 0.80
± 2.30
± 0.70
± 1.00
> 43 to 50 GHz
± 0.90
± 3.00
± 0.80
± 1.40
Output power (B) measurement uncertainty, frequency references unlocked, RBW ≥ 300 kHz (dB)
2 MHz to 18 GHz
Spec (23 ± 5 ºC)
Spec (-10 to 55 ºC)
Typical (23 ± 5 ºC)
Typical (-10 to 55 ºC)
± 1.00
± 1.10
± 0.40
± 0.50
> 18 to 32 GHz
± 1.20
± 1.50
± 0.50
± 0.60
> 32 to 40 GHz
± 1.60
± 1.90
± 0.60
± 0.80
> 40 to 43 GHz
± 2.10
± 2.50
± 0.70
± 1.30
> 43 to 50 GHz
± 2.60
± 3.60
± 1.00
± 1.60
Gain/Loss (B/R) measurement uncertainty, frequency references locked to GPS, RBW ≥ 3 kHz (dB)
Spec (23 ± 5 ºC)
Spec (-10 to 55 ºC)
Typical (23 ± 5 ºC)
Typical (-10 to 55 ºC)
2 MHz to 18 GHz
± 1.40
± 1.70
± 0.60
± 0.70
> 18 to 32 GHz
± 1.50
± 2.00
± 0.70
± 0.90
> 32 to 40 GHz
± 1.60
± 2.30
± 0.80
± 1.00
> 40 to 43 GHz
± 2.20
± 3.10
± 1.00
± 1.40
> 43 to 50 GHz
± 2.40
± 4.00
± 1.20
± 1.90
Gain/Loss (B/R) measurement uncertainty, frequency references unlocked, RBW ≥ 300 kHz (dB)
2 MHz to 18 GHz
Spec (23 ± 5 ºC)
Spec (-10 to 55 ºC)
Typical (23 ± 5 ºC)
Typical (-10 to 55 ºC)
± 1.40
± 1.70
± 0.70
± 0.70
> 18 to 32 GHz
± 1.80
± 2.10
± 0.80
± 1.00
> 32 to 40 GHz
± 2.10
± 2.80
± 1.00
± 1.30
> 40 to 43 GHz
± 2.70
± 3.50
± 1.40
± 1.70
> 43 to 50 GHz
± 3.00
± 4.80
± 1.60
± 2.40
Cable correction
Input and output jumper cable losses can be accounted for using ERTA’s cable correction wizard.
40 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
The performance listed in built-on power meter, external USB power sensor support, pulse measurements, USB power sensor measurements versus frequency sections applies to the capabilities available in the following models:
–– FieldFox RF & microwave analyzers: N9913A, N9914A, N9915A, N9916A, N9917A, N9918A
N9950A, N9951A, N9952A
–– FieldFox microwave vector network analyzers: N9925A, N9926A, N9927A, N9928A
–– FieldFox microwave spectrum analyzers: N
9935A, N9936A, N9937A, N9938A
N9960A, N9961A, N9962A
See FieldFox Configuration Guide for option information. Many capabilities listed in this Data Sheet require options.
Built-in Power Meter
Using the built-in power meter, FieldFox is able to make very accurate channel power measurements. The channel bandwidth can be
set wide to simulate average power meter measurements. This measurement function provides the flexibility to make user definable
channel power measurements.
Description
Setup parameters
Center frequency, including selection of radio standards and channel selection, span or channel width
Functions
Relative/absolute measurements, offsets, units of dBm or watts, or dB or %, minimum and maximum limits
N991xA, N992xA,
N993xA
N995xA, N996xA
Models
Frequency range
N9913A
30 kHz to 4 GHz
Usable to 5 kHz
N9914A
30 kHz to 6.5 GHz
Usable to 5 kHz
N9915A, N9925A,N9935A
30 kHz to 9 GHz
Usable to 5 kHz
N9916A, N9926A, N9936A
30 kHz to 14 GHz
Usable to 5 kHz
N9917A, N9927A, N9937A
30 kHz to 18 GHz
Usable to 5 kHz
N9918A, N9928A, N9938A
30 kHz to 26.5 GHz
Usable to 5 kHz
N9950A, N9960A
300 kHz to 32 GHz
Usable to 5 kHz
N9951A, N9961A
300 kHz to 44 GHz
Usable to 5 kHz
N9952A, N9962A
300 kHz to 50 GHz
Usable to 5 kHz
Amplitude accuracy (dB)
N991xA, N992xA, N993xA
Spec (23 ± 5 ºC)
Spec (—10 to 55 ºC)
Typical (23 ± 5 ºC)
Typical (—10 to 55 ºC)
100 kHz to 18 GHz
± 0.80
± 1.00
± 0.35
± 0.50
> 18 to 26.5 GHz
± 1.00
± 1.20
± 0.50
± 0.60
N995xA, N996xA
Spec (23 ± 5 °C)
Spec (-10 to 55 °C)
Typical (23 ± 5 °C)
Typical (-10 to 55 °C)
9 to 100 kHz
± 1.60
± 2.50
± 0.60
± 1.30
> 100 kHz to 2 MHz
± 1.30
± 1.90
± 0.60
± 0.80
> 2 to 15 MHz
± 1.00
± 1.20
± 0.30
± 0.50
> 15 MHz to 32 GHz
± 0.80
± 1.00 1
± 0.30
± 0.50
> 32 to 40 GHz
± 0.90
± 1.40
± 0.50
± 0.70
> 40 to 43 GHz
± 1.30
± 2.00
± 0.50
± 0.70
> 43 to 50 GHz
± 1.40
± 2.70
± 0.50
± 0.90
1.
Increase by 0.2 dB between 18 and 32 GHz.
41 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
External USB Power Sensor Support
The external USB power sensor option supports various Keysight USB power sensors. For an up-to-date listing of the supported power
sensors, visit http://www.keysight.com/find/fieldfoxsupport.
Description
Setup parameters
Frequency
Functions
Relative/absolute measurements, offsets, units of dBm or watts, or dB or %, minimum and maximum limits.
Internal source
FieldFox’s internal source can be turned on in the USB power sensor mode. CW frequency and nominal power
level control are available.
Pulse Measurements
FieldFox’s pulse measurement option can be used to characterize RF pulses such as those used in radar and electronic warfare
systems. Measurements are made using FieldFox and Keysight’s USB peak power sensors.
Performance specifications such as frequency, dynamic range and minimum pulse width depend on the peak power sensor. Supported
peak power sensors: http://www.keysight.com/find/fieldfoxsupport
Description
Setup parameters
Frequency, time (center), time/division, gating, triggering, video bandwidth, averaging
Functions
Average power, peak power, and peak to average ratio
Analog gauge display and digital display, dBm and watts
Relative/absolute measurements, offset, dB or %, minimum and maximum limits
Trace graph for pulse profiling with gating
Rise time, fall time, pulse width, pulse period, pulse repetition frequency
USB Power Sensor Measurements versus Frequency
This feature allows FieldFox’s source frequency to be set independently from the power sensor (receiver) frequency. With frequency-offset using power sensor (FOPS), the frequency of both the source and receiver are swept, and the two track each other. The offset
frequency can be negative, zero, or positive.
FOPS can be used to characterize the scalar transmission response of devices such as mixers and converters. This frequency-offset
capability is necessary for conversion loss/gain measurements on frequency-translating devices, since by definition, the input and
output frequencies of the DUT are different. The FieldFox source stimulates the DUT and the power sensor is used as the measurement
receiver.
Since power sensors are inherently broadband devices (not frequency-selective), the user should ensure that only the signal of interest
is present at the power sensor input and that all others signals are filtered appropriately.
Setup parameters
Source frequency
Center/span or start/stop
Receiver frequency
Range determined by power sensor range
Frequency offset
Positive offset or negative offset
Frequency step size
30 kHz minimum
Number of points
2 to 1601
Combination of number of points and frequency step size limited by span.
Dwell time/point
0 to 1.0 sec
42 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
USB Power Sensor Measurements versus Frequency (continued)
Source frequency span must be equal to receiver frequency span.
Receiver sweep direction: forward (default setting) or reverse.
For some DUTs, the output frequency may sweep in a reverse direction, as compared to the source frequency. The basic relationships
between the source, receiver and offset frequencies are shown in the table below. The FieldFox analyzer includes an offset calculator
that ensures a fast measurement setup.
Src sweep direction
Rx sweep direction
Frequency calculations
Forward f2src > f1src
Forward f2rx > f1rx
Receiver frequency = Source frequency ± Offset
Forward f2src > f1src
Reverse f2rx > f1rx
Receiver frequency = Offset — Source Frequency Offset > Source frequency
See FieldFox Configuration Guide for option information. Many capabilities listed in this Data Sheet require options.
Description
Measurements
Source power, gain/loss and receiver (Rx) power
Gain = Rx power / source power (memory). Source power (memory) is measured during setup.
Output power
Refer to the test port output power typical data on page 5.
Dynamic range
The dynamic range with FOPS is dependent on FieldFox’s output power and the power sensor’s dynamic range.
Supported USB power sensors: www.keysight.com/find/fieldfoxsupport
The graph below shows a filter measurement using two different power sensors, the U2002A (—60 to +20 dBm) and the U2021XA
(—45 to +20 dBm). While a filter is not commonly measured using FOPS, it is a useful device for demonstrating dynamic range.
For both measurements, the FieldFox source power was set to —1 dBm, the maximum available in the selected frequency range of
7.25 to 13.25 GHz. An external amplifier was not used in this case, but one can be added to increase the source power and hence
dynamic range.
Example showing typical dynamic range of FOPS
43 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Built-In GPS Receiver
Description
GPS receiver
The internal GPS receiver can be used as a frequency reference. 1
Modes
Off, internal, external
Sync clock
On, off
Functionality
Geo-location: latitude, longitude, altitude (elevation), time, sync time/data
Requires external GPS antenna (can use N9910X-825, GPS active antenna)
Connector for antenna
1.
SMA (f), 3.3 V
External GPS USB receivers can be used to provide geo-location data. However, they cannot be used for frequency reference locking.
DC Bias Variable-Voltage Source
Description
Nominal
Connector
SMB (m)
Voltage
+1 to +32 V
Resolution
0.1 V
Maximum current
1
0.65 A
DC current readout resolution
0.01 A
Maximum power
7 watts
1
Display read out
Voltage, current
Overload trip protection
Automatically engages when voltage source is on.
The trip circuit can be reset from front panel without presetting or power cycling the analyzer.
1.
Battery life will be reduced when DC source is used. A trip function turns off the power supply when the rated current or power is exceeded.
Remote Control Capability
Option 030 adds remote control capability to FieldFox analyzers, so that FieldFox can be controlled via an iOS device. The FieldFox
app, running on the iOS device, combined with Option 030 on the FieldFox analyzer provides full control of the instrument from a
remote location. The app emulates the front panel of FieldFox, so users can press the FieldFox hardkeys or softkeys using their iPhone
or iPad, and make measurements remotely.
For example, a tower climber can be on the tower with a FieldFox analyzer, while the technician controls and makes the measurements
down below, using an iPad. The iPad and FieldFox communicate via a network connection.
iOS device requirements
–– iPad, iPhone, or iPod Touch
–– iOS of 6.1 or higher
–– A WiFi or 3G/4G connection
The FieldFox app communicates with FieldFox via a network connection, so both the iOS device and FieldFox need to be on a network
where both devices can reach the other. For example, a company intranet or a site installation using a wireless router. FieldFox can
directly be connected to a LAN cable, or if wired LAN is not available, a user supplied wireless router can be configured to work with
FieldFox. FieldFox does not include a wireless router.
44 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Remote Control Capability (continued)
FieldFox app without Option 030
The FieldFox app can be installed on an iOS device independent of the presence of Option 030 on the analyzer. Without Option 030,
users can view the live display screen of their FieldFox remotely, but cannot control the instrument. With 030 purchased and installed
on their FieldFox, users can both view and control their FieldFox. Control refers to the ability to press hardkeys, softkeys, make or
change measurements, etc.
Option 030 does not include the iOS device itself. Users must supply their own iOS device. Option 030 is a license on the FieldFox
analyzer.
Option 030 and the FieldFox app are not applicable to Android, BlackBerry, or Windows phone/tablet devices.
General Information
Calibration cycle
1 year
Weight
N991xA, N992xA, N993xA
3.0 kg or 6.6 lb including battery
N995xA, N996xA
3.2 kg or 7.1 lb including battery
Dimensions: H x W x D
292 x 188 x 72 mm (11.5 in x 7.4 in x 2.8 in)
Environmental
MIL-PRF-28800F Class 2
Operating temperature
Storage temperature
Operating humidity
Random vibration
Functional shock
Bench drop
Maximum humidity
95% RH at 40 °C for 5 days
Altitude – operating
9,144 m or 30,000 ft (using battery)
Altitude – Non-operating
15,240 m or 50,000 ft
Altitude – AC to DC adapter
3,000 m or 9,840 ft
Ingress protection
This product has been type tested to meet the requirements for ingress protection IP53 in accordance with
IEC/EN 60529 (IP rating for instrument by itself, with no cover).
Temperature range
Operating, AC power, spec
—10 to 55 ºC (14 to 131 °F) (-10 to 45 C/14 to 113F in RTSA mode)
Operating, battery, spec
—10 to 50 ºC (14 to 122 °F)
Operating, battery, typical
—10 to 55 ºC (14 to 131 °F)
Storage, spec 1
—51 to 71 ºC (—60 to 160 °F)
1.
The battery packs should be stored in an environment with low humidity. Extended exposure to temperature above 45 ºC could degrade battery
performance and life.
45 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
General Information (continued)
EMC: Complies with the essential requirements of the European EMC Directive as well as current editions of the following standards (dates and editions
are cited in the Declaration of Conformity):
IEC/EN 61326–1
CISPR Pub 11 Group 1, class B
AS/NZS CISPR 11
ICES/NMB–001
This ISM device complies with Canadian ICES-001.
Cet appareil ISM est conforme a la norme NMB-001 du Canada.
SAFETY: Complies with the essential requirements of the European Low Voltage Directive as well as current editions of the following standards (dates and
editions are cited in the Declaration of Conformity):
IEC/EN 61010-1
Canada: CSA C22.2 No. 61010-1
USA: UL std no. 61010-1
To find a current Declaration of Conformity for a specific Keysight product, go to: http://www.keysight.com/go/conformity
Explosive environment
This product has been type tested to meet the requirements for operation in explosive environments in
accordance with MIL-STD-810G, Method 511.5, Procedure I.
Power supply
External DC input
15 to 19 VDC, 40 watts maximum when battery charging
External AC power adapter
Efficiency level IV
Input
100 to 250 VAC, 50 to 60 Hz, 1.25 to 0.56 A
Output
15 VDC, 4 A
Power consumption
14 watts typical, mode dependent
Battery
Lithium ion
10.8 V, 4.6 A-h
Operating time
3.5 hours (typical), mode dependent
Charge time
A fully discharged battery takes about 1.5 hours to recharge to 80%. Four hours to 100%.
Discharge temperature limits
—10 to 60 ºC, ≤ 85% RH
Charge temperature limits
0 to 45 ºC, ≤ 85% RH
Storage temperature limits
—20 to 50 ºC, ≤ 85 % RH
The battery packs should be stored in an environment with low humidity. Extended exposure to
temperature above 45 ºC could degrade battery performance and life.
Test port connectors
≤ 18 GHz models
Type-N (f)
26.5 GHz models
3.5 mm (m) for FieldFox microwave analyzer, N9918A and FieldFox microwave VNA analyzer, N9928A.
On FieldFox SA N9938A, you may choose 3.5 mm (m) or Type-N (f). Type-N (f) port connector is not
available for the 26.5 GHz microwave analyzer, N9918A or 26.5 GHz microwave VNA analyzer, N9928A
≥ 32 GHz models
NMD 2.4mm (m), torque .9 Nm or 8 in-lb, use torque wrench N9910X-886
Display
6.5” transflective color VGA-LED backlit
Headphone jack connector
3.5 mm (1/8 inch) miniature audio jack
46 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
General Information (continued)
USB-A, 2-ports
Hi-speed USB 2.0
Mini USB, 1 port
1
Hi-speed USB 2.0; used for SCPI programming; USBTMC (USB IEEE488)
Keyboard
USB keyboards are supported (user must supply their own keyboard)
LAN
Connector
RJ-45
Used for programming, data saving, remote control, and connection to DataLink software
N991xA, N992xA, N993xA
100/10 base-T (auto switching)
N995xA, N996xA
1000/100/10 base-T (auto switching)
SCPI over LAN using sockets and VX11 (LAN IEEE488); HTTP
Programming
SCPI, using the built-in LAN interface
Languages
English, Spanish, German, Italian, French, Russian, Japanese, Chinese, Turkish, Korean, and Portuguese
Preset
User preset for both mode preset and complete system preset
Limit lines
The limit line capabilities listed in this section apply to the cable and antenna analyzer, network analyzer and spectrum analyzer modes in all FieldFox
analyzers.
Limit lines can be a combination of horizontal lines, sloping lines, or discrete data points
Limit types: Fixed or relative
Each trace can have its own limit line
Limit lines can be built from a current trace
Limit segments > 100, limited by memory size
Max limit line number of points: 10,001
Beep: Beep off, Beep on fail, Beep on pass
Pass/fail warning: on/off
Offset and margin: An increase or decrease in the limit line
Save/recall limit lines
Data storage
Internal
Internal Minimum: 4 GB
Minimum states and traces: 1000
External
Supports USB 2.0 compatible memory devices and SD/SDHC memory cards
Data types
Trace, trace+state, picture (png), data (csv), S2P
Secure operation
Frequency blanking
For protection of sensitive data all frequency information can be turned off.
Erase user data
All user data can be erased on a FieldFox analyzer. For more information visit:
http://www.keysight.com/find/securefieldfox
1.
SCPI over USB for the N991x/2x/3x models is only available for serial number prefix starting with MY5607/SG5607/US5607 or upgraded with Option
N9910HU-100/200/300/400.
47 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
General Information (continued)
Reference out/trigger out
Connector
SMB (m), 50 Ω
Output amplitude
≥ 0 dBm
Frequency
10 MHz (1 + frequency reference accuracy)
Trigger out
Reserved for future use; currently only used for ERTA 2-box handshaking
Reference in/trigger in
Connector
SMA (f), 50 Ω
Reference input
10 MHz, —5 to +10 dBm
Trigger input
3.3 or 5 V TTL logic levels
Carry Precision With You
Every piece of gear in your field kit had to prove its worth. Measuring up and earning a spot is the driving idea behind Keysight’s
FieldFox analyzers. They’re equipped to handle routine maintenance, in-depth troubleshooting and anything in between. Better yet,
FieldFox delivers precise microwave measurements—wherever you need to go. Add FieldFox to your kit and carry precision with you.
Related literature
Publication number
FieldFox Handheld Analyzers, Configuration Guide
5990-9836EN
FieldFox Handheld Analyzers, Technical Overview
5992-0772EN
FieldFox N9923A RF Vector Network Analyzer, Technical Overview
5990-5087EN
FieldFox N9923A RF Vector Network Analyzer, Data Sheet
5990-5363EN
FieldFox N9912A RF Analyzer, Technical Overview
5989-8618EN
FieldFox N9912A RF Analyzer, Data Sheet
N9912-90006
Download application notes, watch videos, and learn more: www.keysight.com/find/fieldfox
48 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
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Published in USA, August 29, 2016
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