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: 8566B attenuator fix
WELL DONE ! It would have been nice to get better closeup of recovering the contacts after pulling them through, but overall excellent ! Did you note any deformation of the leaves due to pulling the
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Bruce
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#133243
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50 Ghz step attenuator driver board
Hello, Does anybody have the schematic diagram --and eventually the parts layout --of the latest 24V driver board? fitted in the 60db 50 Ghz step attenuators (the older ones did have the traditional
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jfphp
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#133242
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HP 35670A display questions
What sort of display is used on a 35670A, and did this change to an LCD at some point? Was a CRT ever used? From this post: /g/HP-Agilent-Keysight-equipment/message/78558 it seems to
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Matt Huszagh
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#133241
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Re: My 6655 thinks it is a 6653
I don't really know enough about running HP BASIC programs to say for sure, but HT BASIC does look like a promising option to me. Another option would be to figure out what the program is doing and
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Mike Walters
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#133240
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Re: 8566B attenuator fix
If you guys want to watch me unscrew screws for 30 or so minutes feel free: https://photos.app.goo.gl/HiDYBwDeJag5umWA9 (Ignore any awkward background noises, I didn't check the audio. I only recorded
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bagojfalvibagoj@...
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#133239
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Re: 8566B attenuator fix
Well good luck - keep us informed. For more information on proper drive, you could look at the schematic of the DP attenuator driver - or masure what the 8566 does - I believe it is a pulse from the
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Bruce
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#133238
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Re: 8566B attenuator fix
I ordered a breadboard overnight. Never have one when you need it. I have a frightening suspicion, which is that this attenuator works perfectly I just couldn't drive it properly. I hope at least I
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bagojfalvibagoj@...
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#133237
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Re: 8566B attenuator fix
I think that is correct. I don't have the problem you do - I bought one of the HP relay drivers and built a small board with a DIP socket, that lets me plug in the attenuator and drive it using the
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Bruce
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#133236
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Re: 8566B attenuator fix
I'm looking at the board now and other than the ULN2003A drivers, there are 4 D flipflops which makes me wonder if this needs continuous supply in order to retain state correctly. Since I was turning
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bagojfalvibagoj@...
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#133235
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Re: 8566B attenuator fix
I already managed to free the leaves. I think I was lucky. They seem ok to me. https://photos.app.goo.gl/HiDYBwDeJag5umWA9 I would guess that the magnet is necessary to make the system bi-stable. The
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bagojfalvibagoj@...
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#133234
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Re: 8566B attenuator fix
One thing I forgot to mention is that the magnets are necessary for proper operation of the plungers - I would not try to operate the device with them removed. Again, I will defer to Don Bitters on
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Bruce
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#133233
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Re: 8566B attenuator fix
Need to see more pictures. Generally, you can manipulate the plunger w/o removing the magnet - but I have not worked on many of the attenuators with the PCB inside - most the simpler variety. You can
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Bruce
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#133232
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Re: 8566B attenuator fix
Anyway, the plunger thing is going to be a tomorrow problem. I noticed two things upon disassembly. This thing looks brand new inside. I have never ever in my life saw such healthy looking o-rings.
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bagojfalvibagoj@...
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#133231
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Re: 8566B attenuator fix
Waaaay too late. On the other hand I didn't need a video for it. I managed to screw that up totally on my own. I noticed now how one of the little flappy flaps is stuck. :/
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bagojfalvibagoj@...
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#133230
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Re: HP 200C restoration
Pretty good ideas with the stickers. I have done some restorations with both crinkle and hammer finish paints and the trick is to prepare the surface properly before applying paint.? I would take a
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tgerbic
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#133229
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Re: 8566B attenuator fix
This video does not address the hardest (IMO) part of the dissesembyl - detaching the coil assembly from the attenuator. In one of his other videos, he does the disassembly IMPROPERLY, by simply
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Bruce
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#133228
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Re: 8566B attenuator fix
This should be the video: https://www.youtube.com/watch?v=IQZxvtEn4T8 BR Tom
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tom_iphi
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#133227
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Re: HP 200C restoration
Thanks for all the suggestions re panel restoration/hole fixing. I want this to look as original as it can on the outside, despite several component changes/repairs on the inside. So I'm going to fill
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Dave Brown
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#133226
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Re: My 6655 thinks it is a 6653
Hmm, ok. So if I bought something like HT BASIC to run the listed program from pages 66 to 71 that should theoretically fix it then? Just asking for thoughts and input before I go out and just buy
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Brendan Murphy
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#133225
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Re: 8566B attenuator fix
Check "thesignalpath" on youtube.? Shariar did a complete teardown and repair of an HP step attenuator a few years ago.? It should give you all the guidance you need.? I did a quick search through
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Frank Mackowick
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#133224
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