35670A

35670A HP | Alldatasheet

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Versatile two- or four-channel high-per for mance FFT-based spectrum/network an a lyz er 122 µHz to 102.4 kHz 16-bit ADC Data Sheet Key Specifi cations 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 The following features are standard with the Agilent 35670A: Instrument modes FFT analysis Histogram/time Correlation analysis Time capture Measurement Frequency domain Frequency response Power spectrum Linear spectrum Coherence Cross spectrum Power spectral density Time domain (oscilloscope mode) Time waveform Autocorrelation Cross-correlation Orbit diagram Amplitude domain Histogram, PDF, CDF Trace coordinates Linear magnitude Unwrapped phase Log magnitude Real part dB magnitude Imaginary part Group delay Nyquist diagram Phase Polar Trace units Y-axis amplitude: combinations of units, unit value, calculated value, and unit format describe y-axis amplitude Units: volts, g, meters/sec 2, 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, V 2, 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 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 Display scaling Autoscale S electable reference Manual Scale Linear or log X-axis Input range tracking Y-axis log X & Y scale markers with expand and scroll Marker functions 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 Signal averaging (FFT mode) Average types (1 to 9,999,999 averages) RMS Time exponential RMS exponential Peak hold Time Averaging controls Overload reject Fast averaging on/off Update rate select Select overlap process percentage Preview time record 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 Tachometer input: ±4 V or ±20 V range 40 mv or 200 mV resolution Up to 2048 pulses/rev Tach hold-off control

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: Instrument setup states Trace data User-math Limit data Time capture buffers Agilent Instrument BASIC Waterfall display data Programs Data tables Curve fit/synthesis tables GPIB capabilities Conforms to IEEE 488.1 /488.2 Conforms to SCPI 1992 Controller with Agilent Instrument Basic Option 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 Online help Access to topics via keyboard or index Fan On/Off Source outputs 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. Input channels Manual range Anti-alias filters On/Off Up-only auto range AC or DC coupling Up/down auto range LED half range and overload indicators Floating or grounded A-weight filters On/Off Transducer power supplies (4 ma constant current) Frequency 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. Resolution 100, 200, 400, 800 and 1600 lines Windows Hann Uniform Flat top Force/exponential Math +,-,*, / Conjugate Magnitude Real and imaginary Square Root FFT, FFT LN EXP *jω or /jω PSD Differentiation A, B, and C weighting Integration Constants K1 thru K5 Functions F1 thru F5 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 nar row band analysis.

Agilent 35670A Specifi cations 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-cal i bra tion. All speci- fications are with 400 line frequency resolution and with anti-alias filters enabled unless stated otherwise. 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) 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) * Option AY6 single channel maximum range extends to 102.4 kHz without anti-alias fi lter protection. ** Show all lines mode allows display of up to 131.1, 65.5 and 32.7 kHz respectively. Amplitudes accuracy is unspecifi ed and not alias protected.

Full span FFT noise floor (typical) Flat top window, 64 RMS averages, 800 line display. Harmonic distortion <-80 dBfs Single Tone (in band), ≤ 0 dBfs Intermodulation distortion <-80 dBfs Two tones (in-band), each ≤ -6.02 dBfs Spurious and residual responses <-80 dBfs Source impedence = 50 Ω. 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 <-80 dBfs Lower and upper 2.5% of frequency span <-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 Uniform Hann Flat top -3 dB bandwidth* 0.125% of span 0.185% of span 0.450% of span Noise equivalent bandwidth* 0.125% of span 0.1875% of span 0.4775% of span Attenuation at ±½ bin 4.0 dB 1.5 dB 0.01 dB Shape factor (-60 dB BW/-3 dB BW) 716 9.1 2.6 * For 800 line displays. With 1600, 400, 200, or 100 line displays, multiply bandwidths by 0.5, 2, 4, and 8, respectively. dB below full scale Typical noise floor vs. range for different frequency spans -51 -41 -31 -21 -11 27 -100 dB/0.001% Amplitude range (dBVrms / Vrms) -90 dB/0.003% -80 dB/0.01% -70 dB/0.03% 51.2 kHz Span 6.4 kHz Span

800 Hz Span

Phase accuracy relative to external trigger ± 4.0 deg 16 time averages center of bin, DC coupled 0 dBfs to -50 dBfs only 0 Hz < freq ≤ 10.24 kHz only 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 ± 0.04 dB (0.46%) 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) ± 0.5 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 Common mode range (floating mode) ± 4 V pk IEPE transducer power supply Current source 4.25 ± 1.5 mA Open circuit voltage +26 to +32 Vdc A-weight filter Type 0 tolerance 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) < -135 dB below signal or < -80 dBfs of receiving channel, which- ever 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 test pulse <3% 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)

Trigger modes Internal, source, external (analog setting) GPIB Maximum trigger delay Post trigger 8191 seconds Pre trigger 8191 sample periods No two channels can be further than ±7168 samples from each other. External trigger max. input ±42 Vpk External trigger range Low range -2 V to +2 V High range -10 V to +10 V External trigger resolution Low range 15.7 mV High range 78 mV Tachometer Pulses per Revolution 0.5 to 2048 RPM 5 ≤ RPM ≤ 491,519 RPM Accuracy ±100 ppm (0.01%) (typical) Tach level range Low range -4 V to +4 V High range -20 V to +20 V Tach level resolution Low range 39 mV High range 197 mV Maximum tach input level ±42 Vpk Minimum tach pulse width 600 nSec Maximum tach pulse rate 400 kHz (typical) Source output Source types Sine, random noise, chrip, pink noise, burst random, burst chirp Amplitude range AC: ±5 V peak* DC: ±10 V* * Vacpk + |Vdc| ≤ 10 V AC amplitude resolution Voltage > 0.2 Vrms 2.5 mVpeak Voltage < 0.2 Vrms 0.25 mVpeak DC offset accuracy ±15 mV ± 3% of (|DC| + Vac pk) set- tings Pink noise adder Add 600 mV typical when using pink noise Output impedance < 5 Ω Maximum loading Current ±20 mA peak Capacitance 0.01 µF Sine amplitude accuracy at 1 kHz ±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 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 (REAL 64 Format) < 45 mSec for a 401 point trace Serial port Parallel port External VGA port

Computed order tracking – Option 1D0 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 accuracy ±1 dB (typical) 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 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 - 12.338 kHz 0.0997 - 6.169 kHz 0.0997 - 3.084 kHz Capture playback 1/1 octave 0.063 - 16 kHz 0.063 - 16 kHz 0.063 - 16 kHz 1/12 octave 0.0997 - 49.35 kHz 0.0997 - 49.35 kHz 0.0997 - 49.35 kHz One to 12 octaves can be measured and displayed. 1/1-, 1/3-, and 1/12-octave true center fre quen cies 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 fi t/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 # of points = 2.56 x lines of resolution, or # of complex points = 1.28 x lines of resolution DAC resolution 0.2828 Vpk to 5 Vpk 2.5 mV 0 Vpk to 0.2828 Vpk 0.25 mV

General specifi cations Safety standards CSA certified for electronic test and measurement equip- ment 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 Operating: No disk in drive Storage & transport Ambient temp. 4 °C to 45 °C 0 °C to 55 °C -40 °C to 70 °C Relative humidity (non-condensing) Minimum 20% 15% 5% Maximum 80% at 32 °C 95% at 40 °C 95% at 50 °C Vibrations (5 - 500 Hz) 0.6 Grms 1.5 Grms 3.41 Grms Shock 5 G (10 mSec ½ sine) 5 G (10 mSec ½ sine) 40 G (3 mSec ½ sine) Max. altitude 4600 meters (15,000 ft.) 4600 meters (15,000 ft.) 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") Abbreviations dBVrms dB relative to 1 Volt rms. dBfs dB relative to full scale amplitude range. Full scale is approx. 2 dB below ADC overload. Typical Typical, non-warranted, performance speci- fication included to provide general product information. General Specifi cations

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