Technical Specifications HP 35670A Dynamic Signal

Technical Specifications HP 35670A Dynamic Signal
H
HP 35670A
Dynamic Signal
Analyzer
Versatile
two- or four-channel
high-performance
FFT-based spectrum/
network analyzer
Technical Specifications
122 mHz to 102.4 kHz
16-bit ADC
35670A
DYNAMIC SIGNAL ANALYZER
F1
D I S P L AY
MARKER
Marker
F2
Meas
Data
A
Trace
Coord
B
Scale
D
C
F3
Marker
Fctn
F4
Active
Trace
E
F
F5
7
8
I
5
F8
F9
1
POWER
2
0
•
CH 1
Rtn
Inst
Mode
3
Mkr
Value
+/-
Back
Space
Over
H
G
CH 2
M
Input
Q
Start
K
L
Trigger
Source
N
mic pwr C H 3
Window
Freq
J
6
F7
Disp
Format
MEASUREMENT
9
F6
4
Analys
O
Pause
Cont
R
P
Avg
S
Over
T
CH 4
SYSTEM
Preset
Help
BASIC
System
Utility
U
Disk
Utility
Local/
HP-IB
Plot/
Print
V
W
X
Save/
Recall
Y
Half
Z
Source
Half
Float ± 4V pk Max
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 lines
Time Capture
0.8 to 5 Msamples (option UFC)
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 HP 35670A:
Instrument Modes
FFT Analysis
Correlation Analysis
Measurement
Frequency Domain
Frequency Response
Linear Spectrum
Cross Spectrum
Histogram/Time
Time Capture
Power Spectrum
Coherence
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/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
Display Formats
Single
Quad
Dual Upper/Lower Traces
Small Upper and Large Lower
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
Selectable 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
HP-IB 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
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
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)
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
Flat Top
Math
+,-,∗, /
Magnitude
Square Root
LN
∗jω or /jω
Differentiation
Integration
Uniform
Force/Exponential
Conjugate
Real and Imaginary
FFT, FFT-1
EXP
PSD
A, B, and C weighting
Constants K1thru 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 HP-IB. Zoom on captured data for detailed
narrowband analysis. Up to 750K samples of data
can be saved in the standard unit.
Data Storage Functions
Built-in 3.5 in., 1.44-Mbyte flexible disk also
supports 720-KByte disks, and 128-Kbyte NVRAM
disk. Both MS-DOS® and HP-LIF formats are
available. Data can be formatted as either ASCII or
Binary (SDF). The HP 35670A provides storage and
recall from the internal disk, internal RAM disk,
internal NVRAM disk, or external HP-IB disk for any
of the following information:
Instrument Setup States
User-Math
Time Capture Buffers
Waterfall Display Data
Data Tables
Trace Data
Limit Data
HP Instrument BASIC
Programs
Curve Fit/Synthesis
Tables
Interfaces
HP-IB (IEEE-488.1 and 488.2)
Parallel
RS-232C Serial
Hard-Copy Output
To Serial or Parallel HP-GL Plotters
To Raster Printers
To Serial or Parallel HP-GL Printers
To Disk File (Supports Raster Printer, HP-GL Plotter,
and HP-GL Printer)
Time Stamp
HP-IB Capabilities
Listener/Talker (Direct control of plotters, printers,
disk drives)
Conforms to IEEE 488.1/488.2
Conforms to SCPI 1992
Controller with HP Instrument Basic option
Standard Data Format (SDF) Utilities
Exchange data between virtually all HP Dynamic
Signal Analyzers
Easy data transfer to spreadsheets
Data transfer to MATRIXX and Matlab
SDF utilities run in an external PC
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
MS-DOS® is a U.S. registered trademark
of Microsoft Corporation.
MATRIX X is a product of Integrated Systems Inc.
Matlab is a product of The Math Works.
2
HP 35670A Specifications
Instrument specifications apply
after 15 minutes warm-up and
within 2 hours of the last selfcalibration. 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.
2 Channel Mode
4 Channel Mode
(option AY6 only)
102.4kHz,
51.2 kHz (option AY6*)
51.2 kHz
25.6 kHz
Spans
1 Channel Mode
2 Channel Mode
4 Channel Mode
(option AY6 only)
195.3 mHz to 102.4 kHz
97.7 mHz to 51.2 kHz
48.8 mHz to 25.6 kHz
Minimimum Resolution
1 Channel Mode
2 Channel Mode
4 Channel Mode
(option AY6 only)
122 µHz (1600 line display)
61 µHz (1600 line display)
61 µHz (800 line display)
Maximum Real-Time Bandwidth
(FFT Span for Continuous Data Acquistion)
(Preset, Fast Averaging)
1 Channel Mode
2 Channel Mode
4 Channel Mode
(option AY6 only)
Measurement Rate (Typical)
(Preset, Fast Averaging)
1 Channel Mode
2 Channel Mode
4 Channel Mode
(option AY6 only)
Display Update Rate
Typical
(Preset, Fast Average OFF)
Maximum
(Preset, Fast Average Off,
Single Channel, Single Display,
Undisplayed Trace Displays
set to Data Registers)
Absolute Amplitude Accuracy (FFT)
(A combination of Full Scale Accuracy, Full
Scale Flatness, and Amplitude Linearity.)
±2.92% (0.25dB) of Reading
±0.025% of Full Scale
FFT Full Scale Accuracy at 1 kHz (0 dBfs)
±0.15 dB (1.74%)
Frequency
Maximum Range**
1 Channel Mode
Single Channel Ampltude
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% (0.05dB) 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
25.6 kHz
12.8 kHz
6.4 kHz
> 70 Averages/Second
> 33 Averages/Second
> 15 Averages/Second
> 5 Updates/Second
> 9 Updates/Second
Accuracy
±30 ppm (.003%)
* 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.
3
FFT Dynamic Range
Single Channel Phase
Spurious Free Dynamic Range
(Includes Spurs, Harmonic Distortion, Intermodulation Distortion,
Alias Products) Excludes alias responses at extremes of span.
Source impedence = 50Ω.
800 Line Display.
90 dB typical
(<-80 dBfs)
Full Span FFT Noise Floor (typical)
Flat Top Window, 64 RMS Averages, 800 Line Display.
±4.0 deg
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.
Typical Noise Floor vs. Range for Different Frequency Spans
-70dB/0.03%
dB below Full Scale
Phase Accuracy Relative to
External Trigger
16 Time Averages
Center of Bin, DC Coupled
0 dBfs to -50 dBfs Only
0 Hz < freq < 10.24 kHz Only
-80dB/0.01%
51.2 kHz Span
Cross-Channel Amplitude
6.4 kHz Span
-90dB/0.003%
FFT Cross-Channel
±0.04 dB (0.46%)
Gain Accuracy
Frequency Response Mode
Same Amplitude Range
At Full Scale: Tested with10 RMS
Averages on the -11 to +27 dBVrms
Ranges, and 100 RMS Averages
on the -51 dBVrms Range
800 Hz Span
-100dB/0.001%
-51
0.0028
-41
-31
-21
-11
0.0089 0.028 0.089 0.280
Amplitude Range (dBVrms / Vrms)
27
22.4
Harmonic Distortion
Single Tone (in band), < 0 dBfs
<-80 dBfs
Intermodulation Distortion
Two tones (in-band), each < -6.02 dBfs
<-80 dBfs
Spurious and Residual Responses
Source impedence = 50Ω.
<-80 dBfs
Cross-Channel Phase
Cross-Channel Phase
Accuracy
(Same conditions as
Cross-Channel Amplitude)
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 = 50Ω
—
<-140 dBVrms/√ Hz
—
<-130 dBVrms/√ Hz
Above 1280 Hz
160 Hz to 1280 Hz
Note: To calculate Noise as dB below Full Scale:
—
Noise [dBfs] = Noise [dB/√ Hz] + 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 ±1/2 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.
4
±0.5 deg
Input
Trigger
Input Ranges (full scale)
(Auto-Range Capability)
+27 dBVrms (31.7 Vpk) to -51
dBVrms (3.99 mVpk) in 2 dB
steps
Trigger Modes
Maximum Input Levels
42 Vpk
Input Impedance
1 MΩ ±10%
90 pF nominal
Low Side to Chassis Impedance
Floating Mode
1 MΩ ±30%(typical)
<0.010µF
Maximum Trigger Delay
Post Trigger
8191 seconds
Pre Trigger
8191 sample periods
No two channels can be further than
±7168 samples from each other.
Grounded Mode
<100 Ω
AC Coupling Rolloff
Source Impedance = 50Ω
<3 dB rolloff at 1Hz
Common Mode Rejection Ratio
Single Tone at or below 1 kHz
-51dBVrms to -11 dBVrms Ranges
-9 dBVrms to +9 dBVrms Ranges
+11 dBVrms to +27 dBVrms Ranges
>75 dB typical
>60 dB typical
>50 dB typical
Common Mode Range (floating mode)
± 4 V pk
Internal, Source,
External (analog setting)
HP-IB
External Trigger Max Input
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
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 = 50Ω)
4.25 ± 1.5 mA
+26 to +32 Vdc
Type 0 tolerance
±42 Vpk
0.5 to 2048
RPM
5 < RPM < 491,519
RPM Accuracy
(Typical)
±100 ppm (0.01%)
Tach Level Range
Low Range
-4 V to +4 V
High Range
-20 V to +20 V
<-135 dB below signal or
<-80 dBfs of receiving
channel, whichever
response is greater in
amplitude
Time Domain
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)
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
2 Channel Mode
4 Channel Mode (Option AY6 Only)
3.815 µSec to 2 Sec in 2x Steps
7.629 µSec to 4 Sec in 2x Steps
15.26 µSec to 8 Sec in 2x Steps
5
Source Output
Source Types
Sine, Random Noise, Chrip,Pink Noise, Burst
Random, Burst Chirp
AC: ±5 V peak*
DC: ±10 V*
* Vacpk + |Vdc| < 10 V
Amplitude Range
AC Amplitude Resolution
Voltage > 0.2 Vrms
Voltage < 0.2 Vrms
2.5 mVpeak
0.25 mVpeak
DC Offset Accuracy
±15 mV ± 3% of (|DC| + Vacpk) Settings
Pink Noise Adder
Add 600 mV typical when using pink noise
Output Impedance
<5Ω
Maximum Loading
Current
Capacitance
±20 mA peak
0.01 µF
Sine Amplitude Accuracy at 1 kHz
Rload >250 Ω
0.1Vpk to 5Vpk
±4% (0.34 dB) of setting
Sine Flatness (relative to 1 kHz)
0.1 V to 5 V peak
±1 dB
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
HP-IB
Conforms to the
following standards:
Compatible with PC-style 101-key keyboard model number
HP C4950B (#ABA) and C1405-60015 mini DIN to DIN adapter.
IEEE 488.1 (SH1, AH1, T6, TE0, L4, LE0, SR1, RL1, PP0, DC1, DT1, C1,
C2, C3, C12, E2)
IEEE 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 Multisync Monitor Port
6
General Specifications
Safety Standards
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
Operating:
No Disk In Drive
Storage &
Transport
Ambient Temp.
4°Cto 45°C
0°C to 55°C
-40°C to 70°C
Relative Humidity
(non-condensing)
Minimum
Maximum
20%
80% at 32°C
15%
95% at 40°C
5%
95% at 50°C
Vibrations
(5 - 500 Hz)
0.6 Grms
1.5 Grms
3.41 Grms
Shock
5G (10 mSec 1/2 sine)
5G (10 mSec 1/2 sine)
40G (3 mSec 1/2 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 Handleand Impact Cover)
Height
190 mm (7.5")
Width
340 mm (13.4")
Depth
465 mm (18.3")
7
Computed Order Tracking - Option 1D0
Swept Sine Measurements - Option 1D2
( Maximum Order60x Maximum RPM ) <
Dynamic Range
130 dB
Tested with 11 dBVrms source level at:
100 mSec integration
Online (Real Time)
1 Channel Mode
2 Channel Mode
4 Channel Mode
25,600 Hz
12,800 Hz
6,400 Hz
Capture Playback
1 Channel Mode
2 Channel Mode
4 Channel Mode
102,400 Hz
51,200 Hz
25,600 Hz
Arbitrary Waveform Source - Option 1D4
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
(Maximum Order) / (Delta Order)
≤ 400
Maximum RPM Ramp Rate
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
1000 RPM / second real-time (typical)
Amplitude Range
AC: ±5 V peak*
DC: ±10 V*
* Vacpk + |Vdc| < 10V
Record Length
# of Points = 2.56 x
Lines ofResolution,
or # of Complex
Points = 1.28 x Lines
of Resolution
DAC Resolution
0.2828 Vpk to 5 Vpk
0 Vpk to 0.2828 Vpk
2.5 mV
0.25 mV
±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
Frequency Ranges (at centers)
Online (Real Time):
1/1 Octave
1/3 Octave
1/12 Octave
Single Channel
0.063 - 16 kHz
0.08 - 40 kHz
0.0997 - 12.338 kHz
2 Channel
0.063 - 8 kHz
0.08 - 20 kHz
0.0997 - 6.169 kHz
4 Channel
0.063 - 4 kHz
0.08 - 10 kHz
0.0997 - 3.084 kHz
Capture Playback:
1/1 Octave
1/3 Octave
1/12 Octave
0.063 - 16 kHz
0.08 - 31.5 kHz
0.0997 - 49.35 kHz
0.063 - 16 kHz
0.08 - 31.5 kHz
0.0997 - 49.35 kHz
0.063 - 16 kHz
0.08 - 31.5 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 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.
Accuracy
1 Second Stable Average
Single Tone at Band Center:
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 specification included to
provide general product information.
< ± 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
2 Second Stable Average
Total power limited by input noise level
Abbreviations
>80 dB (typical) per ANSI S1.11-1986
Data subject to change.
Copyright ©1994, 1998
Hewlett-Packard Co.
Printed in U.S.A. 1/98
5966-3064E
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