CHECK OUT THE WIKI The purpose of the wiki is mainly to allow you to find information on instruments, either from either
- The model number
- The function(s) listed below. Some instruments have multiple functions - for example, the 4195A is a VNA, spectrum analyzer and an impedance analyzer. Therefore the 4195A is listed in multiple categories
Please also check out HPWiki available here:
- Accessory kits - various types
- AC power analyzers - PA2201A and PA2203A
- AC power supplies 6811C, 6812C, 6813C
- Airlines
- Arbitrary waveform generators M8194A
- Amplifiers?493A, 495A?
- Attenuators (optical) 8156A, 8157A, 8158B, 81566A, 81576A,?
- Attenuators (RF) 8494A
- Attenuator set (500 Ω) 350C
- Attenuator set (600 Ω) 350D
- Attenuator switch driver
- Audio analyzers? 8903A, 8903B, 8903E,? ?
- Base station test sets
- Bit error rate testers (BERTs)
- Cables
- Capacitance meters U1701A, U1701B, 4272A, 4278A, 4279A
- Capacitor Bridge 4270A,
- Capacitor standards 16380A, 16380C,?
- Carrier noise test setsi
- Cesium frequency standards
- Clamp ammeters
- Close field probes
- Crystal Impedance E4915A, E4916A
- Data Acquisition Systems (DAQs)
- DC power analyzers
- DC power supplies 6030A , 6031A , 6032A, 6033A, 6035A, 6131C, 6621A, 6622A, 6623A, 6624A, 6627A, 6255A, 6645A, 6671A, 6672A, 6673A, 6674A, 6675A, 62003A, 62003C, 62003E, 62004A, 62004B, 62004E, 62005A, 62005B, 62005E, 62006A, 62006B, 62006E, 62010A, 62010C, 62010E, 62012A, 62012C, 62012E, 62015A, 62015C, 62015E, 62018A, 62018C, 62018E, 62024A, 62024C, 62024E, 62028A, 62028C, 62028E, 62048A, 62048C, 62048E
- Delay lines
- Detectors
- Device current waveform analyzers
- Digital communications analyzers
- Directional couplers
- Distortion analyzers 330B, 330C, 330D, 331A, 332A, 333A, 334A, 339A, 8903A, 8903B, 8903E,???
- Dynamic measurement DC source
- Electrometers
- Fading simulators
- Femto ammeters
- Filters
- Frequency counters 522B, 5342A 5343A 5352B
- Frequency standards?
- Function Generators ? 3310A,? 8165A,
- GPIB controllers, extenders, cables etc.
- GPS frequency standards
- Harmonic mixers
- High resistance meters 4339B
- High resistance meter fixtures 16008B
- HEV EV Grid Emulators and Test Systems
- In-circuit test systems
- Impedance analyzers 4195A, 4291A, 4291B, 4395A, 4396A, 4396B, 4294A, E4990A, E4991A
- Impedance Analyzer Accessories
- Impedance / Gain Phase analyzer 4194A
- Impedance Meter 4193A,
- Isolators
- LCR meters? U1701A, U1701B, U1731A,? U1731B, U1731C, U1732A, U1732B, U1732C, U1733C, 4191A , 4192A, 4194A, 4195A, E4196A,? 4216A, 4260A, 4261A, 4262A? 4263A, 4263B, 4271B, 4274A, 4275A, 4276A , 4277A, 4284A, 4285A, 4286A, 4287A, 4291A, 4291B, 4294A, 4332A, 4342A, 4395A, 4396A, 4396B, E4980A and E4980AL
- LCR meter calibration devices? 16380A 42030A? 42090A, 42091A and 42100A
- LCR meter accessories
- 2-Terminal BNCs.
- 4-Terminal Pair (BNC connectors)
- Cable extension 16048A, 16048D, 16048E, 16048G, 16048H
- DC current bias accessories 42841A, 42842A, 42842B, 42842C, 42843A
- DC voltage bias accessories 16065A, 16065C,
- Kelvin clips 16089A, 16089B, 16089C,16089E
- Lead Components 16047A,16047B, 16047D, 16047E
- Material 16451B, 16452A
- Probes 42941A
- SMD 16034E, 16034G, 16034H
- 2-port 16096A
- 7 mm (APC7)
- 2-Terminal BNCs.
- LCZ meters? 4276A, 4277A,
- Lightwave clock / data receivers
- Lightwave converter
- Lightwave component analyzer
- Lightwave measurement system mainframes
- Lightwave polarization analyzers 8509B
- Logic analyzers
- Nemo wireless network solutions.
- Noise and interference test set
- Noise figure analyzers
- Noise sources 346A, 346B. 346C ,
- Matching pads (50 ohm to 75 ohm or similar)
- Materials test equipment
- Microwave repeaters
- Microwave downconverters 70427A
- Microwave / THz sources
- Milliammeter 428B
- Milliohm meter
- Mobile communications DC source
- Modular instruments
- AXIe
- Data acquisition (DAQ)
- USB
- PXIe
- Modulation analyzers
- Multimeters 427A, 970A
- Optical attenuators
- Optical heads
- Optical sources
- Optical spectrum analyzers
- Oscilloscopes 120A, 120AR, 120B, 122A, 130A, 130B, 130BR, 130C, 140A, 140B, 141A, 150A, 150AR, 160B, 180A, 180AR, 180CD, 181A, 181AR, 181T, 181TR, 182C, 182T, 183A, 183B, 184A, 184B, 185A, 185B, 1200A, 1200B, 1220A, 1221A, 1703A, 1707A, 1707B, 1710A, 1710B, 1715A, 1722A, 1725A, 1726A, 1740A, 1741A, 1742A, 1743A, 1744A, 1746A, 1980A, 1980B, 5403A, 6000A, 6000L, 16533A, 16534A, 54100A, 5410B, 54100C, 5100D, 54111D, 54120A, 54120B, 54200A, 54501A, 54502A, 54503A, 54504A, 54520A, 54520C, 54540A, 54540C, 54542A, 54542C, 54600B, 54601A, 54601B, 54602B, 54603B,? 54645A, 54654N, 54710A, 54720A, 54750A, 54825N, E1428,?
- Oven controlled crystal oscillators (OCXOs)
- Pattern generators
- PCM terminal test set
- Phase noise measurement
- Pico ammeters
- Printers 2225
- Plotters 7470A, 7475A?
- Probes
- Protocol analyzers and exercisers.
- Power booster test sets
- Power meters 431A, 431B, 431C, 432A, 435A, 435B, 437B, 438A
- Power splitters
- Power supplies
- Pulse generators
- Q-meters 4342A?
- Q-meter calibration inductors 16470A
- Reflection transmission test set
- Return loss module (optical)
- Relays / switches / switch matrices (optical)
- Relays / switches / switch matrices (RF)
- Resistor standards 42030A?and 42100A
- S-parameter test sets
- Scalar network analyzers
- SCSI bus preprocessor interface E2324A
- Selective level meters 3746A
- Semiconductors
- Semiconductor parameter analyzers 4145A, 4155B, 4156B,
- Signal analyzers
- Signal generators / sweep generators / signal sources / oscillators 200CD, 201B, 209A, 204D,? 608A,? 8165A
- Software
- Source measure units
- Spectrum analyzers 4195A,???
- Switch control units
- SWR meter 415E?
- Time interval? counters
- Time mark generator 226A
- Timing and data state modules
- Torque wrenches
- Transmitter testers
- Trigger modules
- Ultrasound transducers
- Universal bridge? 4260A, 4265A, 4265B?
- Vacuum tube voltmeter 410C
- Vector Impedance Meter 4193A, 4800A, 4815A
- Vector Network Analyzers (VNAs) 4195A,? 8510A, 8510B, 8510C, 8753A, 8753B, 8753C, 8753D, 8753E, 8753ES, 8752ET, 8719A, 8719B, 8719C, 8719D, 8720A, 8720B, 8720C, 8720D, 8720ES, 8722A, 8722B, 8722C, 8722D, 8722ES,
- Vector Network Analyzers (VNA) calibration kits 85032B, 85032E, 85033C, 85033D, 85033E, 85050B, 85050C, 85050D, 85052B, 85052C, 85052D, 85054A, 85054B, 85054D, 85056A
- Vector Network Analyzer (VNA) verification kits
- Vector Signal Analyzer 89650S, 89600S
- Vector voltmeters 8405A, 8508A,
- VXI mainframes 70000B, 70000C
- Waveform and function generators
- Waveguide to waveguide and waveguide to coaxial transitions.
- Wireless 58 OTA chambers
- Wireless channel emulators
- Wireless network emulators
- Wireless communication test sets
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Re: 8594E Cal Signal not Found ?
I repaired an 8591A for a friend two weeks ago, and he had the same problem.
In his case, it had lost its calibration constants due to a low battery.
What caused the signal not found or LOCK
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Yves Tardif
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#151226
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Re: 8594E Cal Signal not Found ?
Hi Andrew,
It's ok to have 2 or 4 EEPROMs for version G (94.03.15).? You can read about the various versions and EEPROM part numbers here (original doc
By
Mark Litwack
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#151225
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Re: 8594E Cal Signal not Found ?
Mark, my 8594E only has 2ea firmware chips U24 & U27, is this normal? Everything I seem to find about this unit says 4 chips? I was trying to see if I had the latest firmware installed.
By
KB2LMN
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#151224
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Fail over input board for the HP-5087A distribution amplifier
Recently saw a you tube video of an HP-5087A with an HP designed (I think) fail over amplifier board.
I have never seen any documentation on the board before.
The board takes a signal from two of the
By
Ed (scskits)
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#151223
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Re: Intermittent REF UNLOCK error message on 8591A Spectrum Analyzer
Anders,
So, in green is the active bias stage, R66 serves as the current sense.
In my case, I have 5.186V, which means that the collector current of Q13 is
about 9.8mA.
In blue is the
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Yves Tardif
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#151222
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Re: 8594E Cal Signal not Found ?
Thanks Mark, ya I did all that but did just see this so I will try next.
Instrument firmware expects the cal output signal to be 300 MHz ± 2 MHz.Sometimestheinstrument default data is not able to
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KB2LMN
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#151221
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Re: 8594E Cal Signal not Found ?
The workaround for the "Cal Signal Not Found" error is covered in the Assembly Level Repair manual.
If you had to reload all the correction constants, I would start with the "Analyzer Initialization"
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Mark Litwack
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#151220
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8594E Cal Signal not Found ?
After replacing battery I entered the Time Base Correction, Frequency Response Correction & Step Attenuator Corrections.
Now when I go to perform Cal Freq or Cal Amptd I’m getting a Cal Signal Not
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KB2LMN
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#151219
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Re: HP 8594E new issue
Great, glad the sync reset worked!
It makes me wonder, however, if the CRT parameters were corrupt in SRAM, then what else might be corrupt? ?I would take a quick pass through the calibration
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Mark Litwack
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#151218
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Re: Intermittent REF UNLOCK error message on 8591A Spectrum Analyzer
Thanky you for the valuable information Yves!
I have now checked a bit further and made sure the VTO_TUNE reached the A9 Third Converter assembly ok.
My VTO_TUNE voltage varies between -0.43 (10 MHz
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Anders L??v
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#151217
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Re: Manuals for an HP3456B DMM?
I picked up the meters today. They are model 3456A. Both work, but need some cleanup. The power switch on on unit sticks on and the front/rear terminal switch is dirty. A quick checkout shows both
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BobH
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#151216
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Re: HP 8594E new issue
Reset worked Config, 6, 6, 3.
Thank you!!!!
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KB2LMN
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#151215
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Re: HP 8594E new issue
6.3Vdc
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KB2LMN
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#151214
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Re: Intermittent REF UNLOCK error message on 8591A Spectrum Analyzer
Hi,
I tested this with my 8591A.
I used an external generator for the 10 MHz reference.
I measured the 300 MHz signal returning to the A15 COUNTER LOCK module.
This way, I tested the path
By
Yves Tardif
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#151213
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Re: HP 8594E new issue
Also, how is the voltage on your new battery?
-mark
By
Mark Litwack
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#151212
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Re: HP 8594E new issue
Odd that D13 would now be off.? We'll assume the 68230 and related circuitry is ok for the moment.
Along the same lines as what Yves suggested, you could also try resetting the CRT to DEFAULT
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Mark Litwack
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#151211
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Re: HP 8594E new issue
Mark I took the boards back out and cleaned all the contacts good and seeded them in and out a few times now the lite D13 is off. I do still have the screen issue shown in the video. I also tried what
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KB2LMN
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#151210
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Re: RF Alignment Failure in Agilent CXA signal analyzer N9000A
Hi, Hardyhansendk.
Thank you for your response, As you mentioned about W9 cal signals, When I tested there I'm getting 50Mhz with -60dB not -25dB, it would be helpful if you share info regarding that.
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ipother6@...
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#151209
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Re: Intermittent REF UNLOCK error message on 8591A Spectrum Analyzer
After further digging into my Ref Unlock error message on the HP8591A Spectrum Analyzer I have found the following.
The 600 MHz SAW oscillator on A9 Third Converter assembly seems to oscillate at only
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Anders L??v
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#151208
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Re: HP 8594E new issue
Mark yes the display was normal.
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KB2LMN
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#151207
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