Agilent 35670A Dynamic Signal Analyzer Versatile two- or four-channel high-performance FFT-based spectrum/network analyzer 122 µHz to 102.4 kHz 16-bit ADC Data Sheet Key Specifications Frequency range 102.4 kHz 1 channel 51.2 kHz 2 channel 25.6 kHz 4 channel Dynamic range 90 dB typical Accuracy ±0.15 dB Channel match ±0.04 dB and ±0.5 degrees Real-time bandwidth 25.6 kHz/1 channel Resolution 100, 200, 400, 800 & 1600 lines Time capture > 6 Msamples Source types Random, burst random, periodic chirp, burst chirp, pink noise, sine, swept-sine ( Option1D2), arbitrary ( Option 1D4) Summary of Features on Standard Instrument Display scaling The following features are standard with the Agilent 35670A: Autoscale Selectable reference Manual Scale Linear or log X-axis Input range tracking Y-axis log X & Y scale markers with expand and scroll Instrument modes FFT analysis Correlation analysis Histogram/time Time capture Marker functions Measurement Frequency domain Frequency response Linear spectrum Cross spectrum Individual trace markers Coupled multi-trace markers Absolute or relative marker Peak search Harmonic markers Band marker Sideband power markers Waterfall markers Time parameter markers Frequency response markers Power spectrum Coherence Power spectral density Time domain (oscilloscope mode) Time waveform Autocorrelation Cross-correlation Orbit diagram Amplitude domain Histogram, PDF, CDF Signal averaging (FFT mode) Trace coordinates Linear magnitude Log magnitude dB magnitude Group delay Phase Average types (1 to 9,999,999 averages) RMS Time exponential RMS exponential Peak hold Time Unwrapped phase Real part Imaginary part Nyquist diagram Polar Averaging controls Overload reject Fast averaging on/off Update rate select Select overlap process percentage Preview time record Trace units Y-axis amplitude: combinations of units, unit value, calculated value, and unit format describe y-axis amplitude Units: volts, g, meters/sec2, inches/sec2, meters/sec, inches/sec, meters, mils, inches, pascals, Kg, N, dyn, lb, user-defined EUs Unit value: rms, peak, peak-to-peak Calculated value: V, V2, V2/Hz, √Hz, V2s/Hz (ESD) Unit format: linear, dB’s with user selectable dB reference, dBm with user selectable impedance. Y-axis phase: degrees, radians X-axis: Hz, cpm, order, seconds, user-defined Measurement control Start measurement Pause/continue measurement Triggering Continuous (Freerun) External (analog or TTL level) Internal trigger from any channel Source synchronized trigger GPIB trigger Armed triggers Automatic/manual RPM step Time step Pre- and post-trigger measurement Delay Display formats Single Quad Dual upper/lower traces Small upper and largelower Front/back overlay traces Measurement state Bode diagram Waterfall display with skew, -45 to 45 degrees Trace grids on/off Display blanking Screen saver Tachometer input: ±4 V or ±20 V range 40 mv or 200 mV resolution Up to 2048 pulses/rev Tach hold-off control 2 Source outputs Data storage functions Random Burst random Periodic chirp Burst chirp Pink noise Fixed sine Note: Some source types are not available for use in optional modes. See option description for details. Built-in 3.5 in., 1.44-Mbyte flexible disk also supports 720-KByte disks, and 2 Mbyte NVRAM disk. Both MS-DOS® and HP-LIF formats are available. Data can be formatted as either ASCII or binary (SDF). The 35670A provides storage and recall from the internal disk, internal RAM disk, internal NVRAM disk, or external GPIB disk for any of the following information: Input channels Manual range Up-only auto range Up/down auto range Anti-alias filters On/Off AC or DC coupling LED half range and overload indicators Floating or grounded A-weight filters On/Off Transducer power supplies (4 ma constant current) Instrument setup states User-math Time capture buffers Waterfall display data Data tables Frequency GPIB capabilities Trace data Limit data Agilent Instrument BASIC Programs Curve fit/synthesis tables Conforms to IEEE 488.1/488.2 Conforms to SCPI 1992 Controller with Agilent Instrument Basic Option 20 spans from 195 mHz to 102.4 kHz (1 channel mode) 20 spans from 98 mHz to 51.2 kHz (2 channel mode) Digital zoom with 244 µHz resolution throughout the 102.4 kHz frequency bands. Calibration & memory Single or automatic calibration Built-in diagnostics & service tests Nonvolatile clock with time/date Time/date stamp on plots and saved data files Resolution 100, 200, 400, 800 and 1600 lines Windows Hann Flat top Uniform Force/exponential Online help Access to topics via keyboard or index Math +,-,*, / Magnitude Square Root LN *jω or /jω Differentiation Integration Fan Conjugate Real and imaginary FFT, FFT-1 EXP PSD A, B, and C weighting Constants K1 thru K5 Functions F1 thru F5 On/Off Analysis Limit test with pass/fail Data table with tabular readout Data editing Time capture functions Capture transient events for repeated analysis in FFT, octave, order, histogram, or correlation modes (except swept-sine). Time-captured data may be saved to internal or external disk, or transferred over GPIB. Zoom on captured data for detailed narrowband analysis. 3 Agilent 35670A Specifications Instrument specifications apply after 15 minutes warm-up and within 2 hours of the last self-calibration. When the internal cooling fan has been turned OFF, specifications apply within 5 minutes of the last self-calibration. All specifications are with 400 line frequency resolution and with anti-alias filters enabled unless stated otherwise. Accuracy ±30 ppm (.003%) Single channel ampltude Absolute amplitude accuracy (FFT) (A combination of full scale accuracy, full scale flatness, and amplitude linearity.) ±2.92% (0.25 dB) of reading ±0.025% of full scale FFT full scale accuracy at 1 kHz (0 dBfs) ±0.15 dB (1.74%) FFT full scale flatness (0 dBfs) relative to 1 kHz ±0.2 dB (2.33%) FFT amplitude linearity at 1 kHz measured on +27 dBVrms range with time avg, 0 to -80 dBfs ±0.58% (0.05 dB) of reading ±0.025% of full scale Amplitude resolution (16 bits less 2 dB over-range) with averaging 0.0019% of full scale (typical) Residual DC response (FFT mode) Frequency display (excludes A-weight filter) <-30 dBfs or 0.5 mVdc FFT dynamic range Spurious free dynamic range (Includes spurs, harmonic distortion, intermodulation distortion, alias products). Excludes alias responses at extremes of span. Source impedence = 50 Ω. 800 line display. 90 dB typical (<-80 dBfs) Frequency Maximum range** 1 channel mode 102.4 kHz, 51.2 kHz (opt AY6*) 2 channel mode 51.2 kHz 4 channel mode (Option AY6 only) 25.6 kHz Spans 1 channel mode 195.3 mHz to 102.4 kHz 2 channel mode 97.7 mHz to 51.2 kHz 4 channel mode (Option AY6 only) 97.7 mHz to 25.6 kHz Minimimum resolution 1 channel mode 122 µHz (1600 line display) 2 channel mode 61 µHz (1600 line display) 4 channel mode (Option AY6 only) 122 µHz (800 line display) Maximum real-time bandwidth FFT span for continuous data acquistion) (Preset, fast averaging) 1 channel mode 25.6 kHz 2 channel mode 12.8 kHz 4 channel mode (Option AY6 only) 6.4 kHz Measurement rate (Typical) (Preset, fast averaging) 1 channel mode ≥ 70 averages/sec 2 channel mode ≥ 33 averages/sec 4 channel mode (Option AY6 only) ≥ 15 averages/sec Display update rate Typical (Preset, fast average off) ≥ 5 updates/Sec Maximum ≥ 9 updates/Sec (Preset, fast average off, single channel, single display, undisplayed trace displays set to data registers) * Option AY6 single channel maximum range extends to 102.4 kHz without anti-alias filter protection. ** Show all lines mode allows display of up to 131.1, 65.5 and 32.7 kHz respectively. Amplitudes accuracy is unspecified and not alias protected. 4 Full span FFT noise floor (typical) Flat top window, 64 RMS averages, 800 line display. Typical noise floor vs. range for different frequency spans -70 dB/0.03% dB below full scale -80 dB/0.01% 51.2 kHz Span 6.4 kHz Span -90 dB/0.003% 800 Hz Span -100 dB/0.001% -51 0.0028 -41 0.0089 -31 0.028 -21 0.089 -11 0.280 27 22.4 Amplitude range (dBVrms / Vrms) Harmonic distortion Single Tone (in band), ≤ 0 dBfs Intermodulation distortion Two tones (in-band), each ≤ -6.02 dBfs Spurious and residual responses Source impedence = 50 Ω. <-80 dBfs <-80 dBfs <-80 dBfs Frequency alias responses Single tone (out of displayed range), ≤ 0 dBfs, ≤ 1 MHz (≤ 200 kHz with IEPE transducer power supply On) 2.5% to 97.5% of the frequency span Lower and upper 2.5% of frequency span <-80 dBfs <-65 dBfs Input noise Input noise level Flat top window, -51 dBVrms range Source impedance = 50 Ω Above 1280 Hz <-140 dBVrms/√2Hz 160 Hz to 1280 Hz <-130 dBVrms/√2Hz Note: To calculate noise as dB below full scale: Noise [dBfs] = Noise [dB/√2Hz] + 10LOG(NBW) - Range [dBVrms]; where NBW is the noise equivalent BW of the window (see below). Window parameters -3 dB bandwidth* Noise equivalent bandwidth* Attenuation at ±½ bin Shape factor (-60 dB BW/-3 dB BW) Uniform 0.125% of span 0.125% of span 4.0 dB 716 Hann 0.185% of span 0.1875% of span 1.5 dB 9.1 Flat top 0.450% of span 0.4775% of span 0.01 dB 2.6 * For 800 line displays. With 1600, 400, 200, or 100 line displays, multiply bandwidths by 0.5, 2, 4, and 8, respectively. 5 Single channel phase Phase accuracy relative to external ± 4.0 deg trigger 16 time averages center of bin, DC coupled 0 dBfs to -50 dBfs only 0 Hz < freq ≤ 10.24 kHz only Common mode range (floating mode) IEPE transducer power supply Current source Open circuit voltage A-weight filter Conforms to ANSI Standard S1.4-1983; and to IEC 651-1979; 10 Hz to 25.6 kHz Crosstalk Between input channels, and source-to-input (Receiving channel source impedance = 50 Ω) For Hann and flat top windows, phase is relative to a cosine wave at the center of the time record. For the uniform, force, and exponential windows, phase is relative to a cosine wave at the beginning of the time record. Cross-channel amplitude FFT cross-channel gain accuracy Frequency response mode Same amplitude range At full scale: Tested with 10 RMS averages on the -11 to +27 dBVrms ranges, and 100 RMS averages on the -51 dBVrms range Cross-channel phase Cross-channel phase accuracy (Same conditions as cross-channel amplitude) ± 0.04 dB (0.46%) ± 4 V pk 4.25 ± 1.5 mA +26 to +32 Vdc Type 0 tolerance < -135 dB below signal or < -80 dBfs of receiving channel, whichever response is greater in amplitude Time domain Specifications apply in histogram/time mode, and unfiltered time display DC amplitude accuracy ±5.0 %fs Rise time of -1 V to 0 V test pulse <11.4 µSec Settling time of -1 V to 0 V test pulse <16 µSec to 1% Peak overshoot of -1 V to 0 V <3% test pulse Sampling period 1 channel mode 3.815 µSec to 2 Sec in 2x steps 2 channel mode 7.629 µSec to 4 Sec in 2x steps 4 channel mode 15.26 µSec to 8 Sec in 2x steps (Option AY6 only) ± 0.5 deg Input Input ranges (full scale) (Auto-range capability) +27 dBVrms (31.7 Vpk) to -51 dBVrms (3.99 mVpk) in 2 dB steps Maximum input levels 42 Vpk Input impedance 1 MΩ ±10% 90 µF nominal Low side to chassis impedance 1 MΩ ±30% (typical) Floating mode <0.010 µF Grounded mode ≤100 Ω AC coupling rolloff <3 dB rolloff at 1 Hz Source impedance = 50 Ω Common mode rejection ratio Single tone at or below 1 kHz -51 dBVrms to -11 dBVrms ranges >75 dB typical -9 dBVrms to +9 dBVrms ranges >60 dB typical +11 dBVrms to +27 dBVrms ranges >50 dB typical 6 Trigger Trigger modes Maximum trigger delay Post trigger Pre trigger No two channels can be further than ±7168 samples from each other. External trigger max. input External trigger range Low range High range External trigger resolution Low range High range Tachometer Pulses per Revolution RPM RPM Accuracy Tach level range Low range High range Tach level resolution Low range High range Maximum tach input level Minimum tach pulse width Maximum tach pulse rate Source output Source types Internal, source, external (analog setting) GPIB Amplitude range 8191 seconds 8191 sample periods Sine, random noise, chrip, pink noise, burst random, burst chirp AC: ±5 V peak* DC: ±10 V* * Vacpk + |Vdc| ≤ 10 V AC amplitude resolution Voltage > 0.2 Vrms Voltage < 0.2 Vrms DC offset accuracy ±42 Vpk -2 V to +2 V -10 V to +10 V Pink noise adder 15.7 mV 78 mV Output impedance Maximum loading Current Capacitance Sine amplitude accuracy at 1 kHz 0.5 to 2048 5 ≤ RPM ≤ 491,519 ±100 ppm (0.01%) (typical) 2.5 mVpeak 0.25 mVpeak ±15 mV ± 3% of (|DC| + Vacpk) settings Add 600 mV typical when using pink noise <5Ω ±20 mA peak 0.01 µF ±4% (0.34 dB) of setting Rload > 250 Ω 0.1 Vpk to 5 Vpk Sine Flatness (relative to 1 kHz) ±1 dB 0.1 V to 5 V peak Harmonic and sub-harmonic distortion and spurious signals (In band) 0.1 Vpk to 5 Vpk sine wave Fundamental < 30 kHz < -60 dBc Fundamental > 30 kHz < -40 dBc -4 V to +4 V -20 V to +20 V 39 mV 197 mV ±42 Vpk 600 nSec 400 kHz (typical) Digital interfaces External keyboard Compatible with PC-style 101-key keyboard GPIB Conforms to the following standards: IEEE 488.1 (SH1, AH1, T6, TE0, L4, LE0, SR1, RL1, PP0, DC1, DT1, C1, C2, C3, C12, E2) EEE 488.2-1987 Complies with SCPI 1992 Data transfer rate < 45 mSec for a (REAL 64 Format) 401 point trace Serial port Parallel port External VGA port 7 Computed order tracking – Option 1D0 Maximum order x Maximum RPM ( —————————————— ) 60 Real time octave analysis – Option 1D1 Standards Conforms to ANSI Standard S1.11 - 1986, Order 3, Type 1-D, extended and optional frequency ranges Conforms to IEC 651-1979 Type 0 Impulse, and ANSI S1.4 ≤ Online (real time) 1 channel mode 25,600 Hz 2 channel mode 12,800 Hz 4 channel mode 6,400 Hz Capture playback 1 channel mode 102,400 Hz 2 channel mode 51,200 Hz 4 channel mode 25,600 Hz Number of orders ≤ 200 5 ≤ RPM ≤ 491,519 (Maximum useable RPM is limited by resolution, tach pulse rate,pulses/revolution and average mode settings.) Delta order 1/128 to 1/1 Resolution ≤ 400 (Maximum order)/(Delta order) Maximum RPM ramp rate 1000 RPM/second real-time (typical) 1000 - 10,000 RPM run up Maximum order 10 Delta order 0.1 RPM step 30 (1 channel) 60 (2 channel) 120 (4 channel) Order track amplitude ±1 dB (typical) accuracy 1 second stable average Single tone at band center: ≤ ± 0.20 dB Readings are taken from the linear total power spectrum bin. It is derived from sum of each filter. 1/3-octave dynamic range > 80 dB (typical) per ANSI S1.11-1986 2 second stable average Total power limited by input noise level Frequency ranges (at centers) Online (real time): Single channel 2 channel 4 channel 1/1 octave 0.063 - 16 kHz 0.063 - 8 kHz 0.063 - 4 kHz 1/3 octave 0.08 - 40 kHz 0.08 - 20 kHz 0.08 - 10 kHz 1/12 octave 0.0997 0.0997 0.0997 12.338 kHz 6.169 kHz 3.084 kHz Capture playback 1/1 octave 0.063 - 16 kHz 0.063 - 16 kHz 0.063 - 16 kHz 1/3 octave 0.08 - 31.5 kHz 0.08 - 31.5 kHz 0.08 - 31.5 kHz 1/12 octave 0.0997 0.0997 0.0997 49.35 kHz 49.35 kHz 49.35 kHz One to 12 octaves can be measured and displayed. 1/1-, 1/3-, and 1/12-octave true center frequencies related by the formula: f(i+1)/f(i) = 2^(1/n); n=1, 3, or 12; where 1000 Hz is the reference for 1/1, 1/3 octave, and 1000*2^(1/24) Hz is the reference for 1/12 octave. The marker returns the ANSI standard preferred frequencies. Swept sine measurements – Option 1D2 Dynamic range 130 dB Tested with 11 dBVrms source level at: 100 mSec integration Curve fit/synthesis – Option 1D3 20 Poles/20 zeroes curve filter frequency response synthesis pole/zero, pole residue & polynomical format Arbitrary waveform source – Option 1D4 Amplitude range AC: ±5 V peak* DC: ±10 V* * Vacpk + |Vdc| ≤ 10 V Record length DAC resolution 0.2828 Vpk to 5 Vpk 0 Vpk to 0.2828 Vpk 8 # of points = 2.56 x lines of resolution, or # of complex points = 1.28 x lines of resolution 2.5 mV 0.25 mV General Specifications General specifications Safety standards Abbreviations dBVrms dB relative to 1 Volt rms. CSA certified for electronic test and measurement equipment per CSA C22.2, NO. 231 This product is designed for compliance to: UL1244, Fourth Edition IEC 348, 2nd Edition, 1978 EMI / RFI standards CISPR 11 Acoustic power LpA < 55 dB (Cooling fan at high speed setting) < 45 dB (Auto speed setting at 25 °C) Fan speed settings of high, automatic, and off are available. The fan off setting can be enabled for a short period of time, except at higher ambient temperatures where the fan will stay on. Environmental operating restrictions Operating: Disk in drive Ambient temp. 4 °C to 45 °C Relative humidity (non-condensing) Minimum 20% Maximum 80% at 32 °C Vibrations (5 - 500 Hz) 0.6 Grms Shock 5 G (10 mSec ½ sine) Max. altitude 4600 meters (15,000 ft.) dBfs dB relative to full scale amplitude range. Full scale is approx. 2 dB below ADC overload. Typical Typical, non-warranted, performance specification included to provide general product information. Operating: No disk in drive 0 °C to 55 °C Storage & transport -40 °C to 70 °C 15% 95% at 40 °C 1.5 Grms 5 G (10 mSec ½ sine) 4600 meters (15,000 ft.) 5% 95% at 50 °C 3.41 Grms 40 G (3 mSec ½ sine) 4600 meters (15,000 ft.) AC power 90 Vrms - 264 Vrms (47 - 440 Hz) 350 VA maximum DC power 12 VDC to 28 VDC nominal 200 VA maximum DC current at 12 V Standard: <10 A typical 4 channel: <12 A typical Warm-up time 15 minutes Weight 15 kg (33 lb) net 29 kg (64 lb) shipping Dimensions (Excluding bail handle and impact cover) Height 190 mm (7.5") Width 340 mm (13.4") Depth 465 mm (18.3") 9 www.agilent.com www.agilent.com/find/35670A Remove all doubt Our repair and calibration services will get your equipment back to you, performing like new, when promised. You will get full value out of your Agilent equipment through-out its lifetime. Your equipment will be serviced by Agilent-trained technicians using the latest factory calibration procedures, automated repair diagnostics and genuine parts. 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MATLAB is a U.S. registered trademark of The Math Works, Inc. *0.125 €/minute Germany 07031 464 6333 Ireland 1890 924 204 Israel 972-3-9288-504/544 Italy 39 02 92 60 8484 Netherlands 31 (0) 20 547 2111 Spain 34 (91) 631 3300 Sweden 0200-88 22 55 Switzerland 0800 80 53 53 United Kingdom 44 (0) 118 9276201 Other European Countries: www.agilent.com/find/contactus Revised: October 1, 2008 Product specifications and descriptions in this document subject to change without notice. © Agilent Technologies, Inc. 2009 Printed in USA, January 9, 2009 5966-3064E