HP-Agilent-Keysight-equipment@groups.io

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?
- Cesium frequency standards 5090A
- Off-air 60 kHz frequency standards
- Off-air 200 kHz frequency standards
- Off-air GPS frequency standards
- Quartz frequency standards 105A, 105B
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 Test Kit 41951A,?
- Test Fixture Adapter 16099A
- Test Fixture 16034G, 16034H, 16047A, 16191A, 16192A, 16193A, 16093B, 16194A, 16452A,
- Test Head 4291B
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.
  - 41900A, 41901A
- 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)
  - APC-7 Connector Repair Kit 11591A
  - Binding post 16093A, 16093B
  - DC voltage bias accessory 16200B,
  - Lead components 16092A
  - Material 16453A, 16454A
  - SMD? 16192A, 16194A, 16196A, 16196B, 16196C, 16196D, 16197A, 16198A
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

Re: CLIP / Firmware for HP83751A/HP83752A

#150834

"Paul Bicknell" <admin@...> writes:

I have uploaded the service manual to this sight for you sorry no CLIPI had that already, but still a good idea to back it up in the files
section. Thanks!

Re: CLIP / Firmware for HP83751A/HP83752A

#150833

I have uploaded the service manual to this sight for you sorry no CLIP

Re: 34401A issue

#150832

Hi Peter,

I am glad you fixed it!

Best regards,
Razvan

Show quoted text

On 13/03/2025 21:01, Peter Gottlieb via groups.io wrote:
Update:

Relays arrived.? I replaced the failed relay and also put in a new display.

The instrument is back to proper operation with a nice bright display.

Thanks for the likely cause!

Peter


On 3/9/2025 4:17 PM, Peter Gottlieb wrote:
I saw three and ordered two to have a spare.? Since I have three of
this meter and now know about how they can fail I can just replace
them as needed.

On 3/9/2025 3:39 PM, Razvan Popescu via groups.io wrote:
Hi Peter,

If I am not mistaken there are 2 Omron relays on the board. If one
failed maybe the other one will fail soon so if you make an order and
have the unit open it is better to replace both.

Regards,
Razvan

On 09/03/2025 20:17, Peter Gottlieb via groups.io wrote:
I have tracked this down to K104 and confirmed by bench test the relay
has a bad side and won't make continuity to the DC high range
attenuator.? With the relay removed I can jumper pins 9 to 13 and get a
voltage reading on the higher range which confirms the rest of the
meter
works.
This is an Omron G6AK-274P-STLT-US-5VDC which is commonly available.? I
will get one on order from Mouser.
Peter

Re: 34401A issue

#150831

Update:

Relays arrived.? I replaced the failed relay and also put in a new display.

The instrument is back to proper operation with a nice bright display.

Thanks for the likely cause!

Peter

Show quoted text

On 3/9/2025 4:17 PM, Peter Gottlieb wrote:
I saw three and ordered two to have a spare.? Since I have three of this meter and now know about how they can fail I can just replace them as needed.

On 3/9/2025 3:39 PM, Razvan Popescu via groups.io wrote:
Hi Peter,

If I am not mistaken there are 2 Omron relays on the board. If one
failed maybe the other one will fail soon so if you make an order and
have the unit open it is better to replace both.

Regards,
Razvan

On 09/03/2025 20:17, Peter Gottlieb via groups.io wrote:
I have tracked this down to K104 and confirmed by bench test the relay
has a bad side and won't make continuity to the DC high range
attenuator.? With the relay removed I can jumper pins 9 to 13 and get a
voltage reading on the higher range which confirms the rest of the meter
works.
This is an Omron G6AK-274P-STLT-US-5VDC which is commonly available.? I
will get one on order from Mouser.
Peter

CLIP / Firmware for HP83751A/HP83752A

#150830

Hi,

i got a HP83752A sweeper and want to retrofit the Mechanical Attenuator
Option (1E1). I have a matching Attenuator, but i'm wondering how to
enable it. There's a Keysight Document telling how to do that for Option
1E5 (Internal 10MHz timebase), but none for 1E1.

Does anyone know how to enable that Option? Also does someone have a
CLIP for these units? I only found service guides without schematics.

If anyone has the firmware update disks/images that would also be very
helpful, than i could take a peek at the Firmware.

Thanks!
Sven

Re: Spring Cleaning----HP Microwave Seminar... Scan and Post

#150829

approx 800 pages

Sorry, PM to Santiago regarding CLIP

#150828

Santiago, I'm in roaming and have some problems with emails. Please send again

Milan Vasic

Re: HP 8640b range switch

#150827

I have a bunch of these (I think..) slide switches in my stash from a dismantled pulse generator. If you can send me a picture of the dead one, I can check what I have in stock. 

Wilko

Re: HP 8640b range switch

#150826

Thanks Adam.

So a slider again. It should be possible to find them from more dead HP devices.

But difficult now to find cheap ones even "dead".

Renaud

Re: Switched attenuator issue

#150825

You may have fixed your problem in the short term, but I wonder about the long term effect on the N-Butyl rubber rings. They tend to last 10-15 years or more in normal lab environments.  Did you inspect the contact pad on the attenuator sections, you might need a microscope (10x?), (particularly on the 10dB pad -smallest pad, near the input).  I have seen divots on the pads, dimples on contacts where slight overpowering had caused contact welds transferring material from pad to contact, and anomalies in reading repeatability. I solved this issue with alcohol wetted paper pulled between the contact and pad, a mild abrasive. Then loosening the atten pad, repositioning it slightly so the contact hits a new place on the pad. This cured my issues.

Don Bitters

Re: HP 8640b range switch

#150824

The switch i removed the contacts from was the 8640B slide switch used on the AM/FM modulation slider.? There are some other instruments that use this same contact as well, but do not have the details.? There was a thread about it a few years ago.

Spring Cleaning----HP Microwave Seminar... Scan and Post

#150823

Found these in the process of Spring cleaning.?

I have all the handouts.? If someone is interested in scanning and posting that would be great.?

If they already exist on the net, please let me know and I will toss...?

Otherwise, free to whomever, just pay media shipping.?

Re: 3" disks for 8566A/B, 8568A/B on HP 9000 Series 200 Computers - Any interest in images?

#150822

Hello,

You can use the LIF Utils. Latest release 2.0 was in Dec 2024 and it was
tested on Win10 and Win11.

Please read the changes for the 2.0 release.

73,
Razvan

Show quoted text

On 12/03/2025 17:35, Ulf Kylenfall via groups.io wrote:
Hello Forum,
I think I posted this before but no harm in bumping...
Together with an HP8568B, I got a number of 3?-inch disks:
85863-10027 Rev C : 85863A Opt 630 Basic Software Library
08568-10004 Rev A: HP 8568B Spectrum Analyzer Operation Verification
08568-10004 Rev A: BASIC Operation Verification for 8568B
85863-10027 Rev B: 85863A Basic Software Library for 8566A and 8568A Opt
630.
All disks (C) 1984 and two of them marked "For HP 9000 Series 200
Computers with Basic 2.0 or 3.0 O/S
Any interest in images? I do not know if any data remains on them.
If so, How to read and make images on a PC running XP or W7?
Cheers
Ulf Kylenfall
SM6GXV

Re: Switched attenuator issue

#150821

Thanks for the notes on this.? I have had a number of issues with the switched attenuators, particularly in HP8753D, E, and ES units.? In my experience they're bad on about 20-30% of the units which I have come across.? They use the 33321Q.? I have had luck with these just opening them up and cleaning the contacts with alcohol, but I like your Deoxit Gold idea as a protection once they're cleaned up.

Re: HP 8640b range switch

#150820

Adam, I believe that contacts from the slide switches of HP8012B and 8013B would do too but that should be verified. What are the reference of those you found please?

Renaud

Re: 3" disks for 8566A/B, 8568A/B on HP 9000 Series 200 Computers - Any interest in images?

#150819

On Wed, Mar 12, 2025 at 5:35?PM Ulf Kylenfall via groups.io
<ulf_r_k@...> wrote:


Hello Forum,

I think I posted this before but no harm in bumping...
Together with an HP8568B, I got a number of 3?-inch disks:

85863-10027 Rev C : 85863A Opt 630 Basic Software Library
08568-10004 Rev A: HP 8568B Spectrum Analyzer Operation Verification
08568-10004 Rev A: BASIC Operation Verification for 8568B
85863-10027 Rev B: 85863A Basic Software Library for 8566A and 8568A Opt 630.

All disks (C) 1984 and two of them marked "For HP 9000 Series 200 Computers with Basic 2.0 or 3.0 O/S

Any interest in images? I do not know if any data remains on them.
If so, How to read and make images on a PC running XP or W7?I'd recommend a greaseweazle board. It's an USB tool that can directly
control a PC floppy disk drive and get a flux-level image of (almost)
any disk.

HTH
Frank IZ8DWF

Re: 3" disks for 8566A/B, 8568A/B on HP 9000 Series 200 Computers - Any interest in images?

#150818

On 3/12/25 12:35, Ulf Kylenfall via groups.io wrote:
Hello Forum,
I think I posted this before but no harm in bumping...
Together with an HP8568B, I got a number of 3?-inch disks:
85863-10027 Rev C : 85863A Opt 630 Basic Software Library
08568-10004 Rev A: HP 8568B Spectrum Analyzer Operation Verification
08568-10004 Rev A: BASIC Operation Verification for 8568B
85863-10027 Rev B: 85863A Basic Software Library for 8566A and 8568A Opt 630.
All disks (C) 1984 and two of them marked "For HP 9000 Series 200 Computers with Basic 2.0 or 3.0 O/S
Any interest in images? I do not know if any data remains on them.
If so, How to read and make images on a PC running XP or W7?  I'd love to have images of those disks.  No clue of how to do it with Windows.  I use a GreaseWeazle and/or a PC running DOS (DOS, not "a DOS window", to allow direct disk controller register access) with imaging tools.

                -Dave

-- 
Dave McGuire, AK4HZ
New Kensington, PA

3" disks for 8566A/B, 8568A/B on HP 9000 Series 200 Computers - Any interest in images?

#150817

Hello Forum,

I think I posted this before but no harm in bumping...

Together with an HP8568B, I got a number of 3?-inch disks:

85863-10027 Rev C : 85863A Opt 630 Basic Software Library

08568-10004 Rev A: HP 8568B Spectrum Analyzer Operation Verification

08568-10004 Rev A: BASIC Operation Verification for 8568B

85863-10027 Rev B: 85863A Basic Software Library for 8566A and 8568A Opt 630.

Any interest in images? I do not know if any data remains on them.

If so, How to read and make images on a PC running XP or W7?

Cheers

Ulf Kylenfall

SM6GXV

Re: HP 8673D synthesized generator - need replace RF out connector - partial front panel removal suggestions

#150816

8673D is making RF and working as expected. No more leveling problems. Fan (after first minute or so) sounds OK.

Remaining problem (which existed before, and I will address in future) is very low output in the 10 MHz - 2 GHz range (which uses the lower section.) This problem has existed for the time I've had the unit,  and I haven't wanted to tackle repair (as I also have HP 8660 series generator and nowadays a TinySA can reasonably suffice). 

Now that I have experience with the unit's (partial) disassembly (and some tools to help move the literal boat anchor around in the workshop), I'll revisit the 10 MHz - 2 GHz issue at some point and report on that adventure.

Thanks for the bandwidth!

8673d-fixed.jpg

Re: HP 8640b range switch

#150815

Mark,? i found some spare HP switches on ebay that used those same contacts.? I cut them out and epoxied to my range wheels.? Loctite makes a clear 2 part plastic bonder that works very well and because its clear, is not very noticeable installed.

-A

601 - 620 of 150929

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