Keysight E4990A-001 Impedance analyzer Datasheet

Keysight Technologies
E4990A Impedance Analyzer
20 Hz to 10/20/30/50/120 MHz
Data Sheet
02 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
This document provides technical specifications for the E4990A.
Options
The following options are available.
E4990A-120
E4990A-050
E4990A-030
E4990A-020
E4990A-010
E4990A-001
20 Hz to 120 MHz
20 Hz to 50 MHz
20 Hz to 30 MHz
20 Hz to 20 MHz
20 Hz to 10 MHz
Enhanced measurement speed (option 010/020/030/050 only).
Definitions
Specification (spec.):
Warranted performance. All specifications apply at 23 °C (± 5 °C), unless otherwise
stated, and 90 minutes after the instrument has been turned on. Specifications include
guard bands to account for the expected statistical performance distribution, measurement uncertainties, and changes in performance due to environmental conditions.
Typical (typ.):
Expected performance of an average unit which does not include guardbands. It is not
covered by the product warranty.
General characteristics:
A general, descriptive term that does not imply a level of performance.
03 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
Basic Measurement Characteristic
Measurement parameters
Impedance parameters
|Z|, θz, |Y|, θy, Cp, Cs, Lp, Ls, Rp, Rs (R), D, Q, X, G, B, Complex Z, Complex Y
Level monitor
Vac, Iac, Vdc, Idc
Measurement terminal
Configuration
Four-terminal pair configuration
Connector type
Four BNC (female) connectors.
Option 120: Can be converted to one port terminal using the Keysight Technologies, Inc. 42942A Terminal
Adapter (7-mm port) or 42941A Impedance Probe (SMA (f) port).
Source Characteristics
Frequency
Range
20 Hz to 120 MHz (Option 120)
20 Hz to 50 MHz (Option 050)
20 Hz to 30 MHz (Option 030)
20 Hz to 20 MHz (Option 020)
20 Hz to 10 MHz (Option 010)
Resolution
1 mHz
Accuracy
without Option 1E5
± 7 ppm ± 1 mHz (at 23 ± 5 °C)
± 7 ppm ± 1 mHz (at 5 to 40 °C, typ.)
with Option 1E5
± 1 ppm ± 1 mHz (at 23 ± 5 °C)
Stability
with Option 1E5
± 0.5 ppm (at 5 to 40 °C, Typical)
± 0.5 ppm per year (Typical)
04 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
Voltage Signal Level
Range
5 mVrms to 1 Vrms
Resolution
1 mV
Accuracy
at four-terminal pair port of the
E4990A or 7-mm port of the 42942A
± [(10 + 0.05 × f )% + 1 mV]
at measurement port of the 42941A,
16048G/H
± [(15 + 0.1 × f )% + 1 mV]
NOTE
f : frequency [MHz].
These characteristics apply when OPEN is connected to each port.
Test signal level should be ≤ 0.5 Vrms when the measured impedance is ≤ 50 Ω.
Beyond 23 ± 5 °C of temperature, test signal level setting accuracy is twice as bad as described.
Current Signal Level
Range
200 µArms to 20 mArms
Resolution
20 µA
Accuracy
at four-terminal pair port of the E4990A
at ≤ 15 MHz
+[10% + 50 µA], –[(10 + 0.2 × f 2 )% + 50 µA] (typical)
at > 15 MHz
± [(10 + 0.3 × f )% + 50 µA] (typical)
at 7-mm port of the 42942A
at ≤ 5 MHz
+[10% + 50 µA], –[(10 + 1 × f 2 )% + 50 µA] (typical)
at > 5 MHz
± [(10 + 0.3 × f )% + 50 µA] (typical)
at measurement port of the 42941A, 16048G/H
at ≤ 5 MHz
+[10% + 50 µA], –[(15 + 1.5 × f 2 )% + 50 µA] (typical)
at > 5 MHz
± [(20 + 0.3 × f )% + 50 µA] (typical)
NOTE
f : frequency [MHz].
These characteristics apply when SHORT is connected to each port.
Test signal level should be ≤ 20 mArms when the measured impedance is ≤ 50 Ω.
05 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
Signal Level Monitor
Voltage range
(Same as the voltage signal level setting range)
Voltage monitor accuracy
at four-terminal pair port of the E4990A or
7-mm port of the 42942A
± (10 + 0.05 × f + 100/Zx)[%] (typical)
at measurement port of the 42941A,
16048G/H
± (10 + 0.15 × f + 100/Zx)[%] (typical)
Current range
(Same as the current signal level setting range)
Current monitor accuracy
at four-terminal pair port of the E4990A or
7-mm port of the 42942A
± (10 + 0.3 × f + Zx/100)[%] (typical)
at measurement port of the 42941A,
16048G/H
± (10 + 0.4 × f + Zx/100)[%] (typical)
NOTE
f : frequency [MHz], Zx: impedance measurement value [Ω].
Beyond 23 ± 5 °C, the test signal level monitor accuracy is twice as bad as described.
Output Impedance
Output impedance
25 Ω (nominal)
06 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
DC Bias Function
DC voltage bias
Range
0 to ± 40 V (see Figure 1)
Resolution
1 mV
Accuracy
± [0.1% + (5 + 30 × |Imon|) mV]
± [0.2% + (10 + 30 × |Imon|) mV] (beyond 23 ± 5 °C)
DC current bias
Range
0 to ± 100 mA (see Figure 1)
Resolution
40 µA
Accuracy
± [2% + (0.2 + |Vmon|/20) mA]
± [4% + (0.4 + |Vmon|/20) mA] (beyond 23 ± 5 °C)
DC voltage bias at constant voltage mode
Range
0 to ± 40 V (see Figure 1)
Resolution
1 mV
Accuracy
± [0.5% + (5 + Zd × |Imon|) mV] (typical)
± [1.0% + (10 + Zd × |Imon|) mV] (beyond 23 ± 5 °C, typical)
DC current bias at constant current mode
Range
0 to ± 100 mA (see Figure 1)
Resolution
40 µA
Accuracy
± [1% + (0.5 + |Vmon|/10000) mA] (typical)
± [2% + (1.0 + |Vmon|/5000) mA] (beyond 23 ± 5 °C, typical)
DC bias monitor
DC voltage range
(Same as the dc voltage bias setting range)
DC voltage accuracy
± [0.2% + (5 + Zd × |Imon|) mV]
± [0.4% + (10 + Zd × |Imon|) mV] (beyond 23 ± 5 °C)
DC current range
(Same as the dc voltage bias setting range)
DC current monitor accuracy
± [1% + (0.5 + |Vmon|/10000) mA]
± [2% + (1.0 + |Vmon|/5000) mA] (beyond 23 ± 5 °C)
Output impedance
NOTE
Vmon
Imon
Zd
Zd
Zd
Zd
Zd
25 Ω (nominal)
: DC voltage bias monitor reading value [mV]
: DC current bias monitor reading value [mA]
= 0.3 (at four-terminal pair port of the E4990A, adapter setup: NONE)
=2.0 (at test port of the 42941A, adapter setup: 42941A Impedance Probe)
=0.5 (at 7-mm port of the 42942A, adapter setup: 42942A Terminal Adapter)
=1.0 (at measurement port of the 16048G, adapter setup: four-terminal pair 1 m)
=1.5 (at measurement port of the 16048H, adapter setup: four-terminal pair 2 m)
Figure 1. DC bias range
07 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
Sweep Characteristics
Available sweep parameters
Frequency, signal voltage, signal current, DC bias voltage, DC bias current
Sweep type
Linear frequency, log frequency, OSC level (voltage, current), DC bias (voltage, current), log DC bias (voltage,
current)
Sweep direction
Up sweep, down sweep
Number of measurement points
2 to 1601 points
Segment sweep
Available setup parameters for
measurement points, Signal each
segment
Sweep frequency range, number of level (voltage or current), DC bias (voltage or current), measurement time,
point averaging factor, segment time, segment delay
Number of segments
1 to 201
Sweep span type
Order base or frequency base
Delay time
Type
Point delay, sweep delay, segment delay or DC bias delay
Range
0 sec to 30 sec
Resolution
1 msec
Trigger Function
Trigger type
Continuous, single, averaging
Trigger source
Internal (free run), external (BNC connector input), GPIB/USB/LAN, manual (Front key)
Trigger event type
Point trigger, Sweep trigger
Measurement Time/Averaging
Measurement time
Range
1 (fast) to 5 (precise), 5 steps
Averaging
Type
Sweep-to-sweep averaging, point averaging
Averaging factor
1 to 999 (integer)
08 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
Measurement time per point [s]
Measurement Time
Measurement frequency [Hz]
Measurement time per point [s]
Figure 2. Measurement time (Option 050/ 030/ 020/ 010 with Option 001 or Option 120, adapter: None, 1 m, 2m, Typical)
Measurement frequency [Hz]
Figure 3. Measurement time (Option 120, adapter: 7mm 42942A/probe 42941A, Typical)
09 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
Measurement time per point [s]
Measurement Time (continued)
Measurement frequency [Hz]
Figure 4. Measurement time (Option 050/ 030/ 020/ 010 without option 001, Typical)
Adapter Setup
Adapter selection
NONE
No adapter (the 16047E, etc. direct connection type test fixture is connected)
4TP 1M
Four-terminal pair 1 m (16048G)
4TP 2M
Terminal adapter (42942A)
Probe 42941A 1
Impedance probe (42941A)
7-mm 42942A
1.
Four-terminal pair 2 m (16048H)
1
Option 120 only.
Calibration
Calibration
User calibration
Calibration performed with user-defined calibration kit (OPEN, SHORT, LOAD)
Port extension
Compensation performed when the measurement terminal is expanded from the 7-mm connector of the
42942A Terminal Adapter or the test port of the 42941A Impedance Probe. Enter electrical length or delay time
for the extension.
Fixture compensation
Compensation performed at the device contacts of the test fixture using OPEN, SHORT, LOAD.
Calibration points
Fixed points, or User points determined by sweep setups
10 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
Measurement Accuracy
Conditions of accuracy
Temperature
Four-terminal pair port of the
E4990A’s front panel
Measurement terminal of the
16048G or 16048H
7-mm port of the 42942A
terminal adapter
Test port of the 42941A
impedance probe
23 ± 5 °C
Beyond 23 ± 5 °C, the measurement accuracy is twice as bad as described.
Within ± 5 °C from the adapter setup temperature. Measurement accuracy applies when the adapter setup is
performed at 23 ± 5 °C. When the adapter setup is performed beyond 23 ± 5 °C, the measurement accuracy is
twice as bad as described.
Within ± 5 °C from the adapter setup temperature. Measurement accuracy applies when the adapter setup is
performed at 23 ± 5 °C. When the adapter setup is performed beyond 23 ± 5 °C, the measurement accuracy is
twice as bad as described.
Within ± 5 °C from the adapter setup temperature. Measurement accuracy applies when the adapter setup is
performed at 23 ± 5 °C. When the adapter setup is performed beyond 23 ± 5 °C, the measurement accuracy is
twice as bad as described.
Measurement accuracy
|Z|, |Y| accuracy
θ accuracy
L, C, X, B accuracy
at Dx ≤ 0.1
at Dx > 0.1
R accuracy
at Dx ≤ 0.1 (Qx ≥ 10)
± E [%] (see equation 1 on page 11, Equation 2 on page 14, equation 3 on page 17)
± E/100 [rad]
± E [%]
± E × 1 + D2x [%]
Rp: ±
E
[%]
Dx  E/100
Rs: ± E/Dx [%]
at 0.1 < Dx < 10
(0.1 < Qx < 10)
at Dx ≥ 10 (Qx ≤ 0.1)
D accuracy
at Dx ≤ 0.1
at 0.1 < Dx ≤ 1
Q accuracy (at Qx × Da < 1)
at Qx ≤ 10 (Dx ≥ 0.1)
at Qx > 10 (Dx < 0.1)
Rp: ± E ×
Dx
,
1 + D2x
Dx
[%]
± E [%]
± E/100
± E × (1 + Dx)/100
±
Q2x × E (1 + Dx )/100
1  Qx × E (1 + Dx )/100
±
Q2x × E/100
1  Qx × E/100
G accuracy
at Dx > 0.1
±E×
at Dx ≤ 0.1
1 + D2x
[%]
E
Rs: ± E ×

× 1 + D2x
100
1 + D2x
Dx
[%]
± E/Dx [%]
NOTE
D x : measurement value of D.
Q x : measurement value of Q.
Da : measurement accuracy of D.
Under an AC magnetic field, the following equation is applied to the measurement accuracy.
E × ( 1 + B × ( 5 + 500/Vmv )) [%] (Typical)
B : Magnetic flux density [Gauss]
11 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
Impedance measurement accuracy at four-terminal pair port
Equation 1 shows the impedance measurement accuracy [%] at four-terminal pair port of the E4990A, or measurement port of the
16048G/16048H.
Equation 1. Impedance measurement accuracy [%] at four-terminal pair port (Typical at > 10 MHz)
Z'

E = Ep' +  s + Yo' × Z x  × 100
Z

 x

Where,
Ep' = Epl + Epbw + Eposc + Ep [%]
Yo' = Yol + K bw × Kyosc × (Yodc + Yo) [S]
Z s' = Z sl + K bw × K zosc × Z s [Ω]
E pl [%]
1m: 0.02 + 2 × f/100
2m: 0.02 + 3 × f/100
E pbw [%]
Meas Time 5: 0
Meas Time 4: 0.06 at < 50 kHz, 0.03 at ≥ 50 kHz
Meas Time 3: 0.2 at < 50 kHz, 0.1 at ≥ 50 kHz
Meas Time 2: 0.4 at < 50 kHz, 0.2 at ≥ 50 kHz
Meas Time 1: 0.8 at < 50 kHz, 0.4 at ≥ 50 kHz
E posc [%]
V osc > 500 mV: 0.018 × (1000/Vmv-1) + f/100
200 mV < V osc ≤ 500 mV: 0.018 × (500/Vmv-1)
100 mV < V osc ≤ 200 mV: 0.018 × (200/Vmv-1)
V osc ≤ 100 mV: (100/Vmv-1) × (0.018 + E pbw)
Ep [%]
20 Hz ≤ fm < 100 Hz: 0.5
100 Hz ≤ fm ≤ 800 Hz: 0.3
800 Hz < fm ≤ 1 MHz: 0.075
1 MHz < fm ≤ 15 MHz: 0.1 × f
15 MHz < fm ≤ 120 MHz: 1.5
Y ol [S]
1 m (16048G): 500n × f/100
2 m (16048H): 1µ × f/100
K bw
Meas Time 5: 1
Meas Time 4: 1
Meas Time 3: 3 at ≤ 1 MHz, 4 at > 1 MHz
Meas Time 2: 4 at ≤ 1 MHz, 5 at > 1 MHz
Meas Time 1: 6 at ≤ 1 MHz, 10 at > 1 MHz
Ky osc
Y odc [S]
V osc > 500 mV: 1000/Vmv
V osc ≤ 500 mV: 500/Vmv
DCI range 1 mA: 0
DCI range 10 mA: 1 µ
DCI range 100 mA: 10 µ
12 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
Impedance measurement accuracy at four-terminal pair port (continued)
Y o [S]
Z sl [Ω]
K bw
Kz osc
Z s [Ω]
NOTE
fm : measurement frequency
f
: frequency [MHz]
Vosc : oscillator level
Vmv : Vosc [mV]
20 Hz ≤ fm < 100 Hz: 10 n
100 Hz ≤ fm ≤ 200 kHz: 2.5 n
200 kHz < fm ≤ 1 MHz: 5 n
1 MHz < fm ≤ 15 MHz: 50 n
15 MHz < fm ≤ 120 MHz: 500 n
0 m: 0
1 m (16048G), 2 m (16048H):
20 Hz ≤ fm < 500 Hz: 5 m
500 Hz ≤ fm ≤ 120 MHz: 2 m
Meas Time 5: 1
Meas Time 4: 1
Meas Time 3: 3 at ≤ 1 MHz, 4 at > 1 MHz
Meas Time 2: 4 at ≤ 1 MHz, 5 at > 1 MHz
Meas Time 1: 6 at ≤ 1 MHz, 10 at > 1 MHz
V osc > 500 mV: 2
200 mV < V osc ≤ 500 mV: 1
100 mV < V osc ≤ 200 mV: 200/Vmv
V osc ≤ 100 mV: 100/Vmv
20Hz ≤ fm < 100 Hz: 10 m
100Hz ≤ fm ≤ 120 MHz: 2.5 m
13 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
Impedance measurement accuracy at four-terminal pair port (continued)
Figure 5. Impedance measurement accuracy at four-terminal pair port of the E4990A's
front panel (Oscillator level = 0.5 Vrms), measurement time = 5 (Typical at > 10 MHz)
14 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
Impedance measurement accuracy at 7-mm port of the Keysight 42942A
Equation 2 shows the impedance measurement accuracy [%] at 7-mm port of the 42942A terminal adapter.
Equation 2. Impedance Measurement Accuracy [%] at 7-mm port of E4990A
Z'

E = Ep' +  s + Yo' × Z x  × 100
Z

 x

Where,
E p' = E pl + E pbw + E posc + E p [%]
Y o' = Y ol + K bw × Ky osc × (Y odc + Y o) [S]
Z s' = Z sl + K bw × Kz osc × Z s [Ω]
E pl [%]
0
E pbw [%]
Meas Time 5: 0
Meas Time 4: 0.06 at < 50 kHz, 0.03 at ≥ 50 kHz
Meas Time 3: 0.2 at < 50 kHz, 0.1 at ≥ 50 kHz
Meas Time 2: 0.4 at < 50 kHz, 0.2 at ≥ 50 kHz
Meas Time 1: 0.8 at < 50 kHz, 0.4 at ≥ 50 kHz
E posc [%]
V osc > 500 mV: f/100 × (Vmv/500-1)
100 mV < V osc ≤ 500 mV: 0
V osc ≤ 100 mV: (100/Vmv-1) × (0.05 + E pbw)
Ep [%]
20 Hz ≤ fm ≤ 15 MHz: 0.6
15 MHz < fm ≤ 120 MHz: 0.95
Y ol [S]
0
K bw
Meas Time 5: 1
Meas Time 4: 1
Meas Time 3: 3
Meas Time 2: 4
Meas Time 1: 6
Ky osc
V osc ≥ 500 mV: 1
V osc < 500 mV: 500/Vmv
Y odc [S]
DCI range 1 mA: 0
DCI range 10 mA: 1 µ
DCI range 100 mA: 10 µ
15 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
Impedance measurement accuracy at 7-mm port of the Keysight 42942A (continued)
Y o [S]
20 Hz ≤ fm < 100 Hz: 100 n
100 Hz ≤ fm ≤ 200 kHz: 25 n 1
200 kHz < fm ≤ 1 MHz: 50 n 1
1 MHz < fm ≤ 120 MHz: 5 µ f/100 + 50 n 1
Z sl [Ω]
0
K bw
Meas Time 5: 1
Meas Time 4: 1
Meas Time 3: 3
Meas Time 2: 4
Meas Time 1: 6
Kz osc
V osc > 500 mV: 2 + f/100
200 mV < V osc ≤ 500 mV: 1
100 mV < V osc ≤ 200 mV: 200/Vmv
V osc ≤ 100 mV: 100/Vmv
Z s [Ω]
20 Hz ≤ fm < 100 Hz: 20 m
100 Hz ≤ fm ≤ 120 MHz: 5 m + 50 m × f/100
1.
The specification might not be met at the following range due to internal spurious response.
± 10% range of the following frequencies.
110 kHz, 170 kHz, 220 kHz, 340 kHz, 510 kHz, 600 kHz, 680 kHz, 850 kHz, 1200 kHz.
± 2% range of the following frequencies.
109 kHz × N (N = 12 to 89)
118 kHz × M (M = 11 to 83)
16 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
Impedance measurement accuracy at 7-mm port of the Keysight 42942A (continued)
Figure 6. Impedance measurement accuracy at 7-mm port of the Keysight 42942A terminal adapter connected to the E4990A (Oscillator level = 0.5 Vrms), measurement time = 5
17 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
Impedance measurement accuracy at test port of the Keysight 42941A
Equation 3 shows the impedance measurement accuracy [%] at test port of the 42941A impedance probe.
Equation 3. Impedance measurement accuracy [%] at test port of the Keysight 42941A
Z'

E = Ep' +  s + Yo' × Z x  × 100
Z

 x

Where,
E p' = E pl + E pbw + E posc + E p [%]
Y o' = Y ol + K bw × Ky osc × (Y odc + Y o) [S]
Z s' = Z sl + K bw × Kz osc × Z s [Ω]
E pl [%]
0
E pbw [%]
Meas Time 5: 0
Meas Time 4: 0.06 at < 50 kHz, 0.03 at ≥ 50 kHz
Meas Time 3: 0.2 at < 50 kHz, 0.1 at ≥ 50 kHz
Meas Time 2: 0.4 at < 50 kHz, 0.2 at ≥ 50 kHz
Meas Time 1: 0.8 at < 50 kHz, 0.4 at ≥ 50 kHz
E posc [%]
V osc > 500 mV: f/100 1 (Vmv/500-1)
100 mV < V osc ≤ 500 mV: 0
V osc ≤ 100 mV: (100/Vmv-1) × (0.05 + E pbw)
Ep [%]
20 Hz < = fm ≤ 15 MHz: 0.8
15 MHz < fm ≤ 120 MHz: 1.5
Y ol [S]
0
K bw
Meas Time 5: 1
Meas Time 4: 1
Meas Time 3: 3
Meas Time 2: 4
Meas Time 1: 6
Ky osc
V osc ≥ 500 mV: 1
V osc < 500 mV: 500/Vmv
Y odc [S]
DCI range 1 mA: 0
DCI range 10 mA: 1 µ
DCI range 100 mA: 10 µ
18 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
Impedance measurement accuracy at test port of the Keysight 42941A (continued)
Y o [S]
20 Hz ≤ fm < 100 Hz: 100 n
100 Hz ≤ fm ≤ 200 kHz: 25 n 1
200 kHz < fm ≤ 1 MHz: 50 n 1
1 MHz < fm ≤ 120 MHz: 20 µ × f/100 1
Z sl [Ω]
0
K bw
Meas Time 5: 1
Meas Time 4: 1
Meas Time 3: 3
Meas Time 2: 4
Meas Time 1: 6
Kz osc
V osc > 500 mV: 2 + f/100
200 mV < V osc ≤ 500 mV: 1
100 mV < V osc ≤ 200 mV: 200/Vmv
V osc ≤ 100 mV: 100/Vmv
Z s [Ω]
20 Hz ≤ fm < 100 Hz: 20 m
100 Hz ≤ fm ≤ 120 MHz: 5 m + 100 m × f/100
1.
The specification might not be met at the following range due to internal spurious response.
± 10% range of the following frequencies.
110 kHz, 170 kHz, 220 kHz, 340 kHz, 510 kHz, 600 kHz, 680 kHz, 850 kHz, 1200 kHz.
± 2% range of the following frequencies.
109 kHz × N (N = 12 to 89)
118 kHz × M (M = 11 to 83)
19 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
Impedance measurement accuracy at test port of the Keysight 42941A (continued)
Figure 7. Impedance measurement accuracy at test port of the Keysight 42941A impedance probe
connected to the E4990A (Oscillator level = 0.5 Vrms), measurement time = 5
20 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
Display Function
Display
Size/type
10.4 inch color LCD (TFT)
Number or pixels 1
1024 X 768 (XGA)
Scale type
X axis scale
Linear and log
Y axis scale
Linear and log (depends on the sweep type)
Number of traces
Data trace
4 traces per channel
Memory trace
4 traces per channel
Data math function
1.
Data + memory, data - memory, data × memory, data/memory, offset, equation editor
Valid pixels are 99.99% and more. Below 0.01% of fixed points of black, blue, green or red are not regarded as failure.
Marker function
Marker type and number
10 independent markers per trace. Reference marker available for delta marker operation.
Marker search
Search type
Maximum value, minimum value, multi-peak, multi-target, peak, peak left, peak right, target, target left, target
right, and width parameters with user defined bandwidth values.
Search track
Performs search by each sweep
Search range
User define
Marker X-axis display
Sweep parameter value, sweep elapsed time, or relaxation time (1/( 2πf))
Others
Marker continuous mode, ∆ marker mode, marker coupled mode,
Marker value substitution (Marker→), marker zooming, marker table, marker statistics
Equivalent circuit analysis
Circuit model
3-component model (4 models), 4-component model (3 models)
Analysis type
Equivalent circuit parameters calculation, frequency characteristics simulation
Limit Line Test
Funcions
Define the test limit lines that appear on the display for pass/fail testing. Defined limits may be any combination of horizontal/sloping lines and discrete data points.
Other functions
Beep fail, Limit line offset
21 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
Interface
GPIB
24-pin D-Sub (Type D-24), female; compatible with IEEE-488.
IEEE-488 interface specification is designed to be used in environment where electrical noise is relatively low.
LAN or USBTMC interface is recommended to use at the higher electrical noise environment.
USB host port
Universal serial bus jack, Type A configuration; female; provides connection to mouse, key board, printer or
USB stick memory.
USB (USBTMC ) interface port
Universal serial bus jack, Type B configuration (4 contacts inline); female; provides connection to an external
PC; compatible with USBTMC-USB488 and USB 2.0.LA
USB Test and Measurement Class (TMC) interface that communicates over USB, complying with the IEEE 488.1
and IEEE 488.2 standards.
LAN
10/100/1000 Base T Ethernet, 8-pin configuration; auto selects between the two data rates
Video output
15-pin mini D-Sub; female; drives VGA compatible monitors
Handler interface
Connector type
36-pin centronics, female
Signal type
Negative logic, opto-isolated, open collector output
Pin location
See the following figure. Refer to Help for the definition of each pin.
18 17 16 15 14 13 12 11 10 9
8
7
6
5
4
3 2
1
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
Figure 8. 24 bit I/O port pin assignment
22 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
Table 1. 24 bit I/O port pin assignment
Pin No.
Signal Name
Signal Standard
1
GND
0V
2
INPUT1
TTL level, pulse input, pulse width: 1 µs or above
3
OUTPUT1
TTL level, latch output
4
OUTPUT2
TTL level, latch output
5
Output port A0
TTL level, latch output
6
Output port A1
TTL level, latch output
7
Output port A2
TTL level, latch output
8
Output port A3
TTL level, latch output
9
Output port A4
TTL level, latch output
10
Output port A5
TTL level, latch output
11
Output port A6
TTL level, latch output
12
Output port A7
TTL level, latch output
13
Output port B0
TTL level, latch output
14
Output port B1
TTL level, latch output
15
Output port B2
TTL level, latch output
16
Output port B3
TTL level, latch output
17
Output port B4
TTL level, latch output
18
Output port B5
TTL level, latch output
19
Output port B6, index (selectable)
TTL level, latch output
20
Output port B7, ready for trigger (selectable)
TTL level, latch output
21
Input/output port C0
TTL level, latch output
22
Input/output port C1
TTL level, latch output
23
Input/output port C2
TTL level, latch output
24
Input/output port C3
TTL level, latch output
25
Input/output port D0
TTL level, latch output
26
Input/output port D1
TTL level, latch output
27
Input/output port D2
TTL level, latch output
28
Input/output port D3
TTL level, latch output
29
Port C status
TTL level, input mode; LOW, output mode: HIGH
30
Port D status
TTL level, input mode; LOW, output mode: HIGH
31
Write strobe signal
TTL level, active low, pulse output (width: 10 µs, Typical)
32
+5 V pullup
33
SWEEP END signal
TTL level, active low, pulse output (width: 20 µs, Typical)
34
+5 V
+5 V, 100 mA MAX
35
PASS/FAIL signal
TTL level, PASS: HIGH, FAIL; LOW, latch output
36
PASS/FAIL write strobe signal
TTL level, active low, pulse output (width: 10 µs, Typical)
23 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
Analyzer Environmental Specifications
Measurement circuit protection
Max discharge withstand voltage 1
1000 V @ C < 2 µF, √(2/C) V @ C ≥ 2 µF
NOTE: Discharge capacitors before connecting them to the UNKNOWN terminal or a test fixture.
Operating environment
Temperature
+5 °C to +40 °C
Humidity
20% to 80% at wet bulb temperature < +29 °C (non-condensation)
Altitude
0 to 2,000 m (0 to 6561 feet)
Vibration
0.21 Grms maximum, 5 Hz to 500 Hz
Non-operating environment
Temperature
–10 °C to +60 °C
Humidity
20% to 90% at wet bulb temperature < +40 °C (non-condensation)
Altitude
0 to 4,572 m (0 to 15,000 feet)
Vibration
2.09 Grms maximum, 5 to 500 Hz
1.
The maximum discharge withstand voltage, where the internal circuit remains protected if a charged capacitor is connected to the UNKNOWN terminal.
24 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
General Characteristics
External reference input
Frequency
10 MHz ± 10 ppm (Typical)
Level
0 dBm to ± 3 dB (Typical)
Input impedance
50 Ω (nominal)
Connector type
BNC (female)
Internal reference output
Frequency
10 MHz ± 7 ppm (Typical)
Level
0 dBm ± 3 dB into 50 Ω (Typical)
Output impedance
50 Ω (nominal)
Connector type
BNC (female)
High stability frequency reference output (Option 1E5)
Frequency
10 MHz ± 1 ppm
Level
0 dBm minimum
Output impedance
50 Ω (nominal)
Connector type
BNC (female)
External trigger input
Level
TTL
Pulse width (Tp)
≥ 2 µs (Typical); see Figure 9 for the definition of Tp.
Polarity
Positive or negative (selective)
Connector type
BNC (female)
Tp
Tp
5V
Tp
Tp
5V
0V
0V
Positive Trigger Signal
Negative Trigger Signal
Figure 9. Required pulse width (Tp) for external trigger input
Line power
Frequency
47 to 63 Hz
Voltage
90-264 VAC (Vpeak > 120 V)
VA max
300 VA max.
Power consumption
160 W 1 (Typical)
1.
At preset condition. No application running other than the E4990A on windows.
25 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
EMC, safety, environment and compliance
Description
Specification
EMC
European Council Directive 2004/108/EC
IEC 61326-1:2012
EN 61326-1:2013
CISPR 11:2009 +A1:2010
EN 55011: 2009 +A1:2010
Group 1, Class A
IEC 61000-4-2:2008
EN 61000-4-2:2009
4 kV CD / 8 kV AD
IEC 61000-4-3:2006 +A1:2007 +A2:2010
EN 61000-4-3:2006 +A1:2008 +A2:2010
3 V/m, 80-1000 MHz, 1.4 - 2.0 GHz / 1V/m, 2.0 - 2.7 GHz, 80% AM
IEC 61000-4-4:2004 +A1:2010
EN 61000-4-4:2004 +A1:2010
1 kV power lines / 0.5 kV signal lines
IEC 61000-4-5:2005
EN 61000-4-5:2006
0.5 kV line-line / 1 kV line-ground
IEC 61000-4-6:2008
EN 61000-4-6:2009
3 V, 0.15-80 MHz, 80% AM
IEC 61000-4-8:2009
EN 61000-4-8:2010
30A/m, 50/60Hz
IEC 61000-4-11:2004
EN 61000-4-11:2004
0.5-300 cycle, 0% / 70%
NOTE-1:
When tested at 3 V/m according to EN61000-4-3, the measurement accuracy will be within specifications
over the full immunity test frequency range except when the analyzer frequency is identical to the transmitted
interference signal test frequency.
NOTE-2:
When tested at 3 V according to EN61000-4-6, the measurement accuracy will be within specifications over the
full immunity test frequency range except when the analyzer frequency is identical to the transmitted interference signal test frequency.
ICES-001:2006 Group 1, Class A
AS/NZS CISPR11:2004
Group 1, Class A
KN11, KN61000-6-1 and KN61000-6-2
Group 1, Class A
26 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
Safety
European Council Directive 2006/95/EC
IEC 61010-1:2010 / EN 61010-1:2010
Measurement Category I
Pollution Degree 2
Indoor Use
CAN/CSA C22.2 No. 61010-1-12
Measurement Category I
Pollution Degree 2
Indoor Use
Environment
This product complies with the WEEE Directive (2002/96/EC) marking requirements. The affixed label indicates
that you must not discard this electrical/electronic product in domestic household waste.
Product Category: With reference to the equipment types in the WEEE Directive Annex I, this product is classed
as a “Monitoring and Control instrumentation” product.
Do not dispose in domestic household waste.
To return unwanted products, contact your local Keysight office, or see
http://www.keysight.com/environment/product/ for more information.
Compliance
Class C
27 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
Dimensions, weight
Weight
14 kg
Dimensions
See Figures 10 through 12
Figure 10. Front view (Millimeters)
28 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
Figure 11. Rear view (Millimeters)
Figure 12. Side view (Millimeters)
29 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
Additional Information
Websites
Have access to the following website to acquire the latest news, product and support
information, application literature and more.
www.keysight.com/find/impedance
www.keysight.com/find/e4990a
Literature
E4990A, Brochure, 5991-3888EN
E4990A, Configuration Guide, 5991-3891EN
LCR Meters, Impedance Analyzers and Test Fixtures, Selection Guide, 5952-1430E
Accessories Catalog for Impedance Measurements, 5965-4792E
Impedance Measurement Handbook, 5950-3000
Power of Impedance Analyzer - Comparison to Network Analyzer, 5992-0338EN
30 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
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Published in USA, September 6, 2016
5991-3890EN
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