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 ¦¸) 350C
- Attenuator set (600 ¦¸) 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: HP8566B - Making sense of the figures
That's very noble of you, Ozan. And if it's of any reassurance, leaving everything I own to animal charities has been my plan all along and I made a Will out to that effect many years ago. Now a
By
Jinxie
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#146382
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Re: What happened to HP/Agilent detailed circuit schematics
Dear All,
One of the issues has been change of customer requirements. Back in the HP Days, the US and other military customers did component level equipment repair; they therefore required complete
By
alwyn.seeds1
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#146381
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Re: What happened to HP/Agilent detailed circuit schematics
While the commercial reasons for poor repair documentation are easy to appreciate, this is an example of where the most profitable route is not best for society as a whole. There are many such
By
Adrian Godwin
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#146380
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Re: What happened to HP/Agilent detailed circuit schematics
Nik, what you describe is broadly speaking correct for Keysight too. They too have people who estimate the need for new and rebuilt assemblies for the period after product obsolescence. If an
By
pianovt
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#146379
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Re: What happened to HP/Agilent detailed circuit schematics
Im not sure thats quite the whole story Vladan, or at least it wasnt for me in the early 2000's when i worked for Applecare Engineering. You dont simply create all the spare assemblies you think you
By
Nik Milosevic
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#146378
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Re: What happened to HP/Agilent detailed circuit schematics
When the supply chain fails as happened with Covid, it could even become a national security issue when companies are unable rather than unwilling to make timely repairs¡and where new equipment
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Ed Marciniak
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#146377
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Re: What happened to HP/Agilent detailed circuit schematics
Frank,
I will tell you something interesting. At Keysight, they still have a few people who repair broken in house equipment (e.g. for the R&D lab). However, if they have to dig deeper than described
By
pianovt
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#146376
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Re: What happened to HP/Agilent detailed circuit schematics
Yes, times have changed and that is what the OP lamented. Until around 1990, it was still economical to have an in-house repair department that could find a bad IC or transistor. Almost everyone
By
pianovt
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#146375
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Re: What happened to HP/Agilent detailed circuit schematics
Chuck,
Fair enough.? I get your point.? I think you could have used a better example though.? I understand the difficulties in passing legislation.? I already stated that I don't think
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Frank Mashockie
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#146374
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Re: What happened to HP/Agilent detailed circuit schematics
Vladan,
I really appreciate your input as you do have the advantage of all 3 vantage points.? I am not a designer.? I am a consumer and a professional repair engineer.? And I think you take my
By
Frank Mashockie
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#146373
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Re: What happened to HP/Agilent detailed circuit schematics
Why am I here?
Possibly to teach guys like you that modern equipment isn't always
economical for guys like you and me to repair. Companies providing
schematics wouldn't change that fact one
By
Chuck Harris
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#146372
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Re: What happened to HP/Agilent detailed circuit schematics
Sadly, I didn't think you would understand...
I inferred your desire to share in proprietary manufacturing
processes from what you were asking.
Programming a custom chip is a part of the
By
Chuck Harris
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#146371
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Re: What happened to HP/Agilent detailed circuit schematics
I am a hobbyist and also a professional in engineering who has for decades made purchasing decisions.? In my career I have leaned toward buying equipment that is supportable.? Yes now that is
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Peter Gottlieb
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#146370
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Re: What happened to HP/Agilent detailed circuit schematics
Frannk,
I can speak about this topic from all the vantage points you mentioned. I am a consumer, I do like to repair some of my equipment (but not all), I have designed test equipment at HP, and I
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pianovt
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#146369
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HP 141T Power Supply Help Needed
Good Evening to the group!? ?First post but I've been reading a ton for a few weeks now.
(I thought I posted this but I don't see it, so I'm reposting.. please delete if i did something dumb)
I've
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Bill Berzinskas
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#146368
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Re: HP8566B - Making sense of the figures
Congratulations Jinxie, your hard work and determination paid off. Your dual transistor construction looked great and will be an inspiration for others. I also enjoyed the challenge, no need for any
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Ozan
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#146366
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Re: HP8566B - Making sense of the figures
Thank you for the nice words Barry. I can assure you no computers were harmed during the debug :) I like the puzzle of hunting for the fault, especially on older HP and Tek equipment where there is
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Ozan
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#146365
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Re: HP8566B - Making sense of the figures
@jmr
Thanks for the suggestion; I guess now - or nowish - would be optimal. If I can find the time tomorrow I shall do so (but it will definitely be under a new subject title as this thread has
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Jinxie
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#146364
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Re: What happened to HP/Agilent detailed circuit schematics
I think group member Milan Vasic has some CLIP files (Component Level Information Packet) that contain schematics for various HP gear including the ESGD B variants of these signal generators. These
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jmr
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#146363
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Re: What happened to HP/Agilent detailed circuit schematics
That assumes you have the time to reverse engineer the faulty product, at least to some degree.? These days I'm commuting about two and a half hours each day, so not having at least a schematic
By
Jim Ford
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#146362
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