HP 35670A specifications
Contents
1. Instrument M odes 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 M agnitude 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 inches sec 2 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 V Hz V V Hz V s 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 amp Y Scale Markers with Expand and Scroll2. Marker Functions Individual Trace M arkers Coupled M ulti Trace Markers Absolute or Relative Marker Peak Search Harmonic Markers Band Marker Sideband Power Markers Waterfall Markers Time Parameter M arkers Frequency Response Markers Signal Averaging FFT Mode Average Types 1 to 9 999 999 avgerages RMS Time Exponential RM S 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 M anual RPM Step Time Step Pre and Post Trigger M easurement 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 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 S
3. m s m in s 2 in s in mil kg dyn lb N and pascals Built in 4 mA constant current power supply 0 15 dB spectrum ampltude accuracy 0 04 dB 40 5 degrees channel match full scale 90 dB dynamic range typical 130 dB dynamic range with swept sine option 1D2 e Up Down autorange Up only autorange Large 6 9 inch 17 5 cm display Display area is not compromised by portability Math Functions Powerful math and data editing functions to quickly modify measurement results Curve fit and frequency response synthesis available with option 1D3 Source Types Random Noise Burst Random Noise e Periodic Chirp Burst Chirp Pink Noise Fixed Sine e Arbitrary Waveform Source Option 1D4 e Swept Sine Source Option 1D2 Note The source is located on the front panel of a standard two channel HP 35670A HP IB Connector Integrate the HP 35670A with other instruments and peripherals for system operation or printing plotting System controller for HP IB IEEE 488 1 and 488 2 compatible instrumentation via HP Instrument BASIC option 1C2 Provides direct control of HP IB printers plotters and HP S80 disk drives EXT TRIG 42Vp8 Mas SOURCE Serial Port Plot to HP GL plotters or print to HP GL and raster printers Parallel Port Plot to HP GL plotters or print to HP GL and raster printers DC Power Accepts 12 to 28 volts dc nom
4. Fa Oscilloscope quality orbit diagrams mean you carry only Orbits Obtain oscilloscope quality orbit measurements with your HP 35670A oneinstrument Unlike traditional FFT analyzers the aoe the shop HP 35670A equipped with computed oor order tracking displays a selected number of loops usually one as the shaft RPM is varied Imad Muge fFrly d CaL we cat phan 5 021kRPM 5 502kRPM 5 711kRPM Markers are used to annotate shaft speeds at selected points ina run up measurement Real Time Octave Measurements Option 1D1 Microphone Adapter and Power Supply Option UK4 Real Time Third Octave to 40 kHz ANSI S1 11 1986 Filter Shapes Microphone Inputs and Power A Weighted Overall SPL RPM or Time Triggered Waterfalls Eliminate the expense and inconve nience of multiple instruments in the field With optional real time octave analysis and the optional microphone adapter and power supply you have a complete real time octave analyzer added to your HP35670A at a fraction of the cost of a second instrument Now you can carry both your FFT and real time octave analyzers to the job site in the same hand Real Time 1 3 Octave to 40 kHz on One Channel With two input channels of 1 3 octave real time measurements at frequen cies up to 20 kHz you get all of the information you ll ever need to understand the noise performance of your product No misinterpreted measurements because tran
5. Data User M ath Limit Data Time Capture Buffers HP Instrument BASIC Waterfall Display Data Programs Data Tables 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 MATRIX and Matlab SDF utilities run in an external PC Calibration amp Memory Single or Automatic Calibration Built In Diagnostics amp 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 Data subject to change Copyright 1994 1997 Hewlett Packard Co Printed in U S A 12 97 5966 3063E
6. HP 35670A Dynamic Signal Analyzer Product Overview The HP 35670A is a portable two or four channel dynamic signal analyzer with the versatility to be several instruments at once Rugged and portable it s ideal for field work Yet it has the performance and function ality required for demanding R amp D applications Optional features optimize the instrument for trouble shooting mechanical vibration and noise problems characterizing control systems or general spectrum and network analysis Take the HP 35670A where it s needed Whether you re moving an instrument around the world or around the lab portability is a real benefit Small enough to fit under an airplane seat the HP 35670A goes where it s needed But there s more to portabil ity than size Like a nominal 12 to 28 volt dc power input and self contained features that do not require external hardware such as built in The HP 35670A shown with Four Channels option AY6 piezoelectric integrated circuit power supply analog trigger and tachometer inputs and optional computed order tracking Versatile enough to be your only instrument for low frequency analysis With the HP 35670A you carry several instruments into the field in one package Frequency time and amplitude domain analysis are all available in the standard instrument Build on that capability with options that either add new measurement capability or enhance all measure men
7. HP 35670A Dynamic Signal Analyzer HP Instrument BASIC Option 1 2 Develop a custom user interface integrate several instruments and peripherals into a system using the HP 35670A as the system controller or simply automate measurements Versatile Measurement M odes Standard and optional measurement modes include FFT Analysis Real Time Octave Analysis option 1D1 e Order Analysis option 1D0 e Swept Sine option 1D2 Correlation Analysis e Histogram Analysis e Time Capture All measurement options may be retrofitted RPM Display Read RPM in any measurement mode Shown with option AY6 Add Two Channels Online Help Applications oriented help is just a few keystrokes away Powerful Markers Extract information from measurement data with trace and special markers Individual Trace Coupled Trace Absolute or Relative e Peak Search Built In 3 5 inch Flexible Disk Drive Store instrument states programs time captured data waterfall data trace data limits math functions data tables Harmonic and curve fit synthesis Band tables e Sideband Power Supported disk formats Waterfall are HP LIF and MS DOS Internal RAM may also be formatted as storage disk Time Parameter e Frequency and Damping Input Channels e Analog A weighted filters switchable Precision Transducer Measurements sensitivity input 16 bitADC e Engineering units g m s
8. U S registered trademark of Microsoft Corp AMI PRO is a product of Lotus Development Corp Using Measurement Results Taking the measurement is only half the job Raw measurement data must be stored recalled printed plotted integrated with other data for analysis and reported The HP 35670A has a variety of tools to help you finish the job Enhanced Data Transfer Utilities for PCs Standard Data Format SDF Utili ties provided with the HP 35670A allow you to easily move data from the instrument to wherever it s needed e For general digital signal processing and filtering translate data files to formats compatible with MATLAB and MATRIX Data Set 58 or ASCII for use in popular spreadsheets e For specific applications use application software that reads SDF files directly such as STARModal and STARAcoustics from SMS and CADA PC from LMS e Transfer data to and from the HP 35665A 3566A 3567A 3562A 3563A e Use the viewdata feature to display data on your PC or to convert to the HP GL format for transfer to Micro soft s Word for Windows or Lotus AMI PRO word processing software e Convert between HP LIF and MS DOS formats e Read data files into a program Documented Results The HP 35670A supports a variety of HP IB serial and parallel printers and plotters for direct hardcopy output The internal 3 5 inch flexible disk drive stores data instrument states HP GL plots and HP Instru
9. ce channel for these measurements Alternatively channels one and three can be designated as indepen dent reference channels for two totally independent swept sine measurements 11 HP Instrument BASIC Option 1C2 Realize the advantages of using your instrument with a computer without sacrificing portability HP Instrument BASIC provides the power of a computer inside your HP 35670A e Create custom interfaces for simplified operation e Use the HP 35670A as a system controller to integrate it with other instruments and peripherals e Enhance functionality by creating custom measurements e Increase productivity with automated operation HP Instrument BASIC is a compatible subset of the HP BASIC used in HP 9000 series 200 300 400 and 700 computers Easy Programming The HP Instrument BASIC program editor supports e Line by line syntax checking e Pre run program verification e Single step and debug e Automatic line numbering An optional PC style 101 key key board facilitates program develop ment and editing Simple programs can be entered or edited using the front panel keys Large programs can be developed or edited in HP 9000 Series 200 300 and 400 computers or on a HP Vectra with Instrument BASIC for Windows HP E2200A and then transfered to the HP 35670A Inai Hode TRS 4 ei eraa ML oe LM pop rts TEMIA in Pung WNumbcor re Re Over 200 HP Instrument BASIC Commands Program ent
10. e nonvolatile RAM in environments too harsh for the 3 5 inch flexible disk drive The memory functions as a high speed disk for storage of the following information Instrument Setup States e Trace Data eUser Math Definitions Limit Data e Time Capture Buffers HP Instrument BASIC Programs e Waterfall Display Data e Curve Fit Synthesis Tables e Data Tables Information stored in nonvolatile RAM is retained when the power is off 14 HP 35670A Ordering Information HP 35670A Dynamic Signal Analyzer Standard Configuration 1 4 Mbyte 3 5 in flexible disk drive 1 5 Mbytes user RAM Impact Cover Standard Data Format Utilities AC Power Cord e Operating manual set including Operator s Guide Quick Start Guide Installation and Verification Guide HP IB Programming with the HP35670A HP IB Commands Quick Reference HP IB Programmer s Guide e Standard one year warranty Options for the HP 35670A Opt Description AY6 Add Two Channels four total 1D0 Computed Order Tracking 1D1 Real Time Octave Measurements UK4 Microphone Adapter and Power Supply 1D2 Swept Sine Measurements 1D3 Curve Fit and Synthesis 1D4 Arbitrary Waveform Source 1C2 HP Instrument BASIC AN2 Add 4 Mbytes Memory UFC Add 8 Mbytes Memory Note Only one of option AN2 or UFC may be installed UFF Add 1 Mbyte Nonvolatile RAM 1F0 PC style Keyboard 1F1 German Keyboard 1F2 Spanish Keyboard 1F3 French Keyboard 1F4 UK Keyboa
11. ed network analysis using random noise the random amplitudes of the stimulus tend to average out the non linearities and therefore does not capture the dependency of the response on the stimulus amplitude Logarithmic Sweep Test devices over more than six decades of frequency range using logarithmic sweep In this mode the frequency is automatically adjusted to provide the same resolution over each decade of frequency range With FFT network analysis resolution is constant not a problem when measuring over narrow frequency ranges Flexible Make the measurement your way Independently select logarithmic or linear sweep sweep up or down automatic or manual sweep and autoresolution The stability of a control loop is quickly characterized using the gain and phase margin marker function Automatic Frequency Resolution Use autoresolution to obtain the fastest sweep possible without sacrificing accuracy With autoresolution the HP 35670A automatically adjusts the frequency step according to the device re sponse High rates of amplitude and phase change are matched with small frequency steps Low rate of change regions are quickly measured with larger frequency steps Test Multiple Devices Simultaneously Increase throughput in production Swept sine measurements up to 25 6 kHz can be made on three devices simultaneously using swept sine on a four channel HP 35670A Channel one is the common referen
12. ferent speeds are compared using the front back mode of the HP 35670A Time Domain Use your spectrum analyzer as a low frequency oscilloscope or view signals in the time and frequency domains simultaneously Note anti alias filters can be switched off Special markers for time domain data facilitate extraction of key control system performance parameters overshoot rise time setting time and delay time Data Table Use a tabular format to keep track of key frequencies in the spectra of rotating machinery The amplitude and frequency of the signal and a 16 character entry label field are listed for each selected point nat Hode Percy eu Pom CIL wa CUL tar FR 1740 AB ire ane pe lraHas eras lranas Automatic Units Conversion Display vibration data in the units of your choice Select g m sec in sec m s in s m mil inch Kg Ib N dyn or pascals as appropri ate for your application The instru ment automatically converts fre quency domain data from specified input transducer units to the units you select for display For example accelerometer data is automatically converted and displayed as mils when mils are selected Of course dB dBV dBm and volts are available for electrical applications Measurement results at key frequencies can be labeled and listed using data table TEI Cuetec Harmonic markers are used to calculate the THD of a signal with
13. hirp For zoomed network analysis measurements the source is band translated to match the zoom span at frequencies up to 51 2 kHz An optional arbitrary source lets you test your product using real world signals A 10 volt dc source offset facilitates tests of control systems Impact Testing Force and exponential windows allow impact testing for modal and structural analysis Quality measure ments are ensured using preview and accept reject during averaging A 4 mA constant current transducer power supply is built in for true portability Cu wae tl artt Enel Hude Limits are used for go no go testingin production The response of an accelerometer is being checked in this example 1711 wae 7 Tue Limits Test network measurements against preset limits Up to 800 separate line segments are available for setting upper and lower limits Limits are also used for testing spectrum measurements Characteristics of a selected resonanceare automatically calculated from an impact measurement EPEL ATE aR d lac PaH IHE rian and damping a marker RAW zF I FF E FEES using the frequency Four Channels option AY6 Test up to three devices simulta neously with a four channel HP 35670A Channel one is the common reference channel and two three and four are the response channels Alternatively select channels one and three as reference channels for two totally inde
14. inal Use the HP 35250A power cable for DC power source connection or the HP 35251A power cable with cigarette lighter adapter AC POWER 100 2340VAC 47 440h 950VA Max DC POWER 12 2 nominal 200VA Max AC FUSE wo 2 0vac External Trigger 42 Volt Peak M ax No external signal conditioning hardware required Triggers on selected level between 10 volts Keyboard Use a standard PC keyboard to title data edit HP Instrument BASIC programs or to operate the instrument Tachometer 42 Volt Peak M ax No external signal conditioning hardware required Reads frequency RPM on selected levels between 20 volts Low Noise Fan Fan may be turned off for acoustic applications Running speed depends on ambient temperature Power Select Switch between ac and dc power sources without interrupting instrument operation External Monitor Drive a multisync monitor for remote view ing by large groups AC Power Universal power supply will operate with any combination of voltage between 100 and 240 VAC and line frequency between 47 and 440 Hz The maximum power requirement is 350VA Spectrum Analysis FFT based spectrum analyzers such as the HP 35670A are ideal for measuring the spectra of low frequency signals like speech or mechanical vibration Transient components usually missed with swept frequency analyzers are easily measured and disp
15. layed at speeds fast enough to follow trends The HP 35670A has both the performance and features required to take full advantage of this technology 16 Bits for High Performance With a 16 bit ADC 90 dB typical dynamic range and a real time bandwidth of 25 6 kHz you can be sure nothing will be missed Resolve signals using 100 to 1600 lines resolution or for really close in analysis use frequency zoom to resolve signals with up to 61 wHz resolution Use time or RPM arming to develop waterfalls of sequential vibration spectra for trend analysis or for an overview of device vibration Power and Linear Spectrums Match your spectrum measurement mode to the signal being tested Use linear spectrum analysis to measure both the amplitude and phase of periodic signals such as the spectra of rotating machinery Power spectrum analysis is provided for averaging nonrepetitive signals laI mode TFT neit Frea ti MESH eer Te Th gt ES Averaging Various averaging modes let you further refine spectrum analysis measurements Time averaging extracts repetitive signals out of the noise while rms averaging reduces the noise to its mean value Exponen tial averaging available for both time and rms averaging is useful for reducing the noise while following changing signals tracking the resonance shifts in a fatiguing structure for example Two spectrums L k F L47l l of road induced HEL vibration measured at dif
16. ment BASIC programs in HP LIF or MS DOS formats for future recall or use on HP workstations or a personal computer Entire display screens can be imported directly into your word processing program by plotting HP GL files to your named DOS file HP GL files are interpreted and displayed directly by Microsoft s Word for Windows and AMI PRO from Lotus Development Corp Computed Order Tracking Option 1D0 Self contained no ratio synthesizer or tracking filter required Order Maps Order Tracking RPM or Time Trigger Display RPM Profile Track Up to Five Orders C hannel Up to 200 Orders Composite Power RPM Measurements Order tracking facilitates evaluation of spectra from rotating machines by displaying vibration data as a function of orders or harmonics rather than frequency All measurement spectra is normalized to the shaft RPM Now you can have order tracking without compromising portability Traditional analog order tracking bak wd tat techniques require external tracking filters and ratio synthesizers With HP s computed order tracking algorithm external hardware is gone Because order tracking is imple mented in the software data is more precise and your job is easier Compared to traditional analog order tracking techniques computed order tracking offers e Improved dynamic range at high orders e More accurate tracking of rapidly changing shaft speeds e Accurate RPM labeled spectra
17. out including the effects of noise Simultaneous display of frequency and time domain data facilitates analysis of gear mesh vibration LURE FI PMALTIL 3 FISTER an TL AF Markers Markers streamline analysis by helping you select and display specific data Marker functions include marker to peak next right peak and coupled markers for selecting points in multiple data displays Markers readouts are absolute or relative to your selected reference Special Markers Three special marker functions facilitate analysis of your spectral data Sideband markers aid analysis of modulation signals Use this function to quickly locate sidebands in the complicated spectra of rotating machines A band power marker reads the total power in a selected band of frequencies and a total harmonic distortion marker lets you calculate total harmonic distortion without including the effects of noise FE mat CH ti peaks Frequency Response Measurements The HP 35670A has the flexibility to make measurements of both electrical networks and mechanical devices FF T based network analysis is fast enough to allow real time adjustments of circuit parameters while the swept sine option provides exacting measurements over more than six frequency decades and a 130 dB dynamic range Source Select the optimum stimulus for each application random noise periodic chirp pink noise fixed sine burst random and burst c
18. pans from 98 mHz to 51 2 kHz 2 channel mode Digital zoom with 244 uHz resolution throughout the 102 4 kHz frequency bands Resolution 100 200 400 800 and 1600 lines Windows Hann Uniform Flat Top Force Exponential Math 77 Conjugate Magnitude Real and Imaginary Square Root FFT FFT LN EXP j Or j PSD Differentiation A B and C weighting Integration Constants K1thru K5 Functions F1 thru F5 MS DOS isaU S registered trademark of Microsoft Corporation MATRIX is a product of Integrated Systems Inc Matlab is a product of The Math Works CA Packar 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 narrow band analysis Up to 750K samples of data can be saved in the standard unit Data Storage Functions Built in 3 5 in 1 44 M byte flexible disk also supports 720 KB yte 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 Trace
19. pendent network measurements See option AY6 description for more information Markers A frequency and damping marker provides the resonant frequency and the damping ratio of single degree of freedom frequency response measure ments Gain and phase margin markers extract key frequency domain stability data from frequency response measurements of control systems Signal Injection for Control Loops Use one of three HP signal injection devices for testing control loops The HP 35280A summing junction provides convenient dc to 1 MHz signal injection for most control loops Use the HP 35281A clip on transformer when it is not possible to temporarily open the loop or use the HP 35282A signal injection trans former when secondary voltages are up to 600 Vpk Time Capture Capture transient events or time histories for complete analysis in any measurement mode except swept sine Use either the entire time capture record or a selected region of interest for repetitive analysis in the FFT octave order track correlation or histogram instrument modes Add an additional 4 Mbytes option AN2 or 8 Mbytes option UFC of memory for really deep time capture capability cpiure Hanen An interval of time capture data has been selected for analysis in the octave mode STARModal and STARAcoustics are products of Structural Measurement Systems CADA PC is a product of LMS International Microsoft is a
20. r HP 35670A Data Edit Store Up to Eight Arbitrary Number of Spectra Stored Per Channel Waveforms Standard Add 4 M byte Add 8 M byte Test roe id FFT 1Channel 130 600 1000 est your products using real wor 5 signals Measure a signal in either the FFT 2 Channels 50 250 400 time or frequency domain then FFT 4 Channels 3 20 100 200 output it via the arbitrary waveform 1 3 Octave Spectra 4 4000 18800 32000 source Use math functions and data edit to obtain precisely the output waveform you need An arbitrary waveform may be output once or repeatedly Time Capture 1 550 KSamples 1 Conditions Preset with instrument mode switched to 1 channel 2 Conditions Preset 3 Conditions Preset with instrument mode switched to 4 channels 4 Conditions Preset with instrument mode switched to octave Standard source types can be optimized for specific applications For example random noise can be shaped to improve the effective dynamic range of your measurement Alternatively you can use data edit and math functions to create an arbitrary waveform Use time capture as a digital tape recorder then playback captured signals through the arbitrary wave form source Inad pode fel ten Pro Cu wa tb aRar Al rite F Math functions are used to optimize a burst chirp signal for a frequency response measurement 2 6MSamples 4 7 MSamples Add 1 Mbyte Nonvolatile RAM Option UFF Use the 1 Mbyt
21. rds 1F5 Italian Keyboard 1F6 Swedish Keyboard AX4 Rack Mount Without Handles 100 Software Bundle 1D0 1D4 UFC UK5 Carrying Case for shipping 0B1 Additional Manual Set OBU Additional HP Instrument BASIC Manual Set 0B3 Add Service Manual 1BP Military Calibration meets MIL 45662A W30 Two Year Extended Service Contract To Upgrade Your HP 35670A To add an option to your HP 35670A order HP 35670U followed by the option number Options AY6 AN2 UFC and UFF must be installed by Hewlett Packard Option UE2 is available to upgrade instrument firmware to latest version as appropriate Accessories DC Power Cables The HP 35250A is a three meter cable terminated with lugs for connecting to most dc power sources The HP 35251A is a three meter cable terminated with an adaptor that plugs into a cigarette lighter For Testing Control Systems The HP 35280A summing junction provides convenient dc to 1 MHz signal injection for most control loops Use the HP 35281A clip on transformer when it is not possible to temporarily open the loop or use the HP 35282A signal injection trans former when secondary voltages are up to 600 Vpk Physical Sensors For a complete list of accessories for this and other HP Dynamic Signal Analyzers please refer to the HP DSA Accessory Catalog publication number 5091 9708E 15 Summary of Features on Standard Instrument The following features are standard with the HP 35670A
22. ry and editing Program debugging Memory allocation Relation operators General math Graphics control Graphics plotting Graphics axes and labeling Program control Keystroke recording quickly creates the core of your HP Instrument BASIC program Binary functions Trigonometric operations String operations Logical operators HP IB control Mass storage Event initiated branching Clock and calendar General device 1 0 Array operations HP Instrument BASIC can be used to display measurement results ina new format or to create a new operator interface Keystroke Recording Most program development begins with keystroke recording Each keystroke is automatically saved as a program instruction as you set up your measurement using the front panel The recorded sequence can be used as the core of a sophisticated program or run as an automatic sequence 12 Add Two Channels Option AY6 51 2 kHz Frequency Range On One and Two Channels 25 6 kHz Frequency Range On Four Channels One or Two Reference Channels Enhance your productivity by adding two additional input channels to your portable analyzer Having four channels often means the difference between solving a problem in the field and having to schedule time in a test bay Monitor four signals simultaneously or use channel one as the reference channel for up to three simultaneous cross channel measurements Two totally independen
23. sient components were missed When the frequency range requirement is 10 kHz or less use four channels to characterize spatial variations For those exceptional circumstances use 1 3 octave resolution at frequencies up to 40 kHz on a single channel Resolutions of 1 1 and 1 12 octave are also available Inst Node Inai Huge This waterfall i display of a flyover test can be analyzed trace by trace or by selecting time slices along the z axis AFA HSFHEET FAT Fo Overall sound pressure level and A weighted sound pressure level can be displayed with the octave bands individually together or not at all A fan off mode lets you use the instrument in the sound field being measured ANSI S1 11 1986 All octave filters comply with filter shape standards ANSI S1 11 1986 Order 3 type 1 D DIN 45651 and IEC 225 1966 An 80 dB dynamic range for the audio spectrum pro vides the performance required by acousticians Switchable analog A weighting filters in the input channels comply fully with both ANSI 1 4 1983 and IEC 651 1979 Type 0 Real time 1 3 octave measurements at frequencies up to 40 kHz Dob mad Cl leans Ite ART IFF Advanced Analysis Use waterfall displays of octave data for an overview of device noise versus time or RPM Display indi vidual frequency bands as a function of RPM or time using the slice marker function Alternatively use trace markers to select individual traces for di
24. splay A pink noise source is available for testing electro acoustic devices Sound Level Meter Measurements Peak hold impulse fast slow and Log are all provided with optional Real time Octave Measurements All measurements conform to IEC 651 1979 Type 0 Impulse HP 35670A with option UK4 microphone adapter and power supply 10 Swept Sine Measurements Option 1D2 130 dB Dynamic Range Logarithmic or Linear Sweeps Auto Frequency Resolution While FFT based network analysis is fast and accurate swept sine measurements are a better choice when the device under test has a wide dynamic range or covers several decades of frequency range Use swept sine measurements to extend the network measurement capabili ties of the HP 35670A Network Analysis Over a 130 dB Range With traditional swept sine the HP 35670A is optimally configured to measure each individual point in the frequency response The result is a 130 dB dynamic range With FFT based network analysis all frequency points are stimulated simultaneously and the instrument configures itself to measure the highest amplitude response thereby limiting the dynamic range nst Aede BATE T mine TR Jak BA 1 iF ETE A DEA 2k Characterize Nonlinear Networks Use the auto level feature to hold the input or output amplitude constant during a sweep This provides the device response for a specific signal amplitude With FFT bas
25. t cross channel measurements are made by selecting channels one and three as indepen dent reference channels All channels are sampled simultaneously Use triaxial measurements to simulta neously characterize the motion of mechanical devices in three axes For control systems simultaneously measure several points in a single loop Curve Fit and Synthesis Option 1D3 20 Poles 20 Zeros Curve Fitter Frequency Response Synthesis Pole Zero Pole Residue and Polynomial Format Use curve fit and synthesis in the HP 35670A to take the guesswork out of your design process The 20 pole and 20 zero multiple degree of freedom curve fitter calculates a mathematical model of your system or circuit from measured frequency response data The model can be expressed in pole zero pole residue or polynomial format Analysis Curve fit provides an exact mathematical model of your circuit or device Transfer the circuit model to the synthesis function to experiment with design modifications Add and delete poles and zeros change gain factors time delays or frequency scaling then synthesize the frequency response from the modified model Design modifications are tested without ever touching a soldering iron 13 Arbitrary Waveform Source Option 1D 4 Add 8 Mbytes RAM Option UFC Add 4 Mbytes RAM Option AN2 Expand the data storage and time Frequency or Time Domain Entr a y y capture capacity of you
26. t modes AY6 Add Two Channels Four Total 1D0 Computed Order Tracking 1D1 Real Time Octave Measurements Microphone Adapter and Power Supply Swept Sine Measurements Curve Fit and Synthesis Arbitrary Waveform Source UK4 1D2 1D3 1D4 CA eackano Versatile two or four channel high performance FFT based spectrum network analyzer 122 uHz to 102 4 kHz 16 bit ADC 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 Time Capture 100 200 400 amp 800 lines 0 8 to 5 M samples option UFC Random Burst random Periodic chirp Burst chirp Pink noise Sine Swept Sine option1D2 Arbitrary option 1D4 Source Types 1C2 HP Instrument BASIC UFF Add 1 Mbyte NVRAM AN2 Add 4Mbyte RAM 8 Mbytes Total UFC Add 8Mbyte RAM 12 Mbytes Total 100 1D0 1D4 UFC bundle Laboratory quality measurements in the field Obtain all of the performance of your bench top analyzer in a portable instrument Ease of use Portability versatility and perfor mance are valued attributes but to be really valuable an instrument must also be easy to use The HP 35670A has a friendly front panel plus online help that s always available to answer your questions An interactive measurement state lets you configure the instrument setup from a single display
27. with exact RPM trigger arm e Wide 64 1 ratio of start to stop RPMs Order Map Use order maps for an overview of vibration data versus RPM or time Display the amplitude profile of individual orders and suborders using the slice marker function Alterna tively use trace markers to select individual traces for display u parg Poi F RRP The slice marker feature is used to select and display an order or suborder from an order map Order Tracking Measure only the data you need Order tracking lets you measure the amplitude profile of up to five orders plus composite power simultaneously on each channel Up to four orders or three orders and composite power can be displayed simultaneously Inst Hode LUFLE Meas Feb IRETEN LEE 1 TS aT Order tracking is used to simultaneously display up to four orders or a combination of orders composite power and RPM profile RPM Profile Use RPM profile to monitor the variation of RPM with time during order tracking measurements Composite Power Composite power provides the total signal power in a selected channel as a function of RPM Run Up and Run Down Measurements Run up and run down measurements of any order are made using external trigger as the phase reference Display the results as bode or polar plots both are available Markers allow convenient notation of impor tant shaft speeds Inst Mude 2 BEA Fan Cll wa CN FAL PEF AT F
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