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Perhaps the most significant area of instrumentation Restoration Retrofit, (other than power supply & amplifier issues),? would be displays: Older instrument LCD, LED, Vacuum Fluorescent VFD, &

Looking for HP 70911 CLIP / Circuit diagram the 100 Mhz wide IF unit It is a unit that is part of the HP 70000 spectrum analyser system Hopefully someone has it in either paper format or PDF If

Already did the 5087A boards a couple years back. The big problem with these boards was not the board, but the metal shield. I never had that re-manufactured. ed

Yes, the 92B is electro-mechanical.? I think the issue when these choppers go bad is timing problems.? Probably from metal fatigue.

Just a quick question hear has any one got or used a 70420A Phase Noise Test Set or any version of E5500 as We are currently lacking anything about the E5500 What exactly was included in the E5500

Does anybody have the calibration software for this antique. ?It comes up saying that the saved data is corrupted and passes all other tests. Battery was leaking and dead, so it was replaced, but

You are right! De : [email protected] <[email protected]> De la part de Ozan Envoyé : 7 octobre 2024 15:39 ? :

Voilà! De : [email protected] <[email protected]> De la part de Keith Harvey Envoyé : 7 octobre 2024 15:18 ? :

As a collector of vintage equipment, I prefer to keep things original where possible, of course this isn't always possible and substitute parts are sometimes needed. Annoyingly there are plenty of

U1005 is a TI TPS54040A. Package information page of datasheet shows "5404A" as device marking, which matches the picture. Ozan

I seem to recall that somebody came up with a replacement chopper for the Fluke 332 calibrator. That might be a good starting point. You can find it if you dig around in the 332 threads on

Correct me if I'm wrong, but the Boonton 42B/92B chopper is electro-mechanical, no chopper lamps are mentioned in the manual, not sure if you meant something else using lamps (such as HP stuff, which

Do you have the full schematic for the 34410a? ________________________________ Sent: Monday, October 7, 2024 12:37 PM To: [email protected]

As specified in the last email, I don't have the part numbers unfortunately, only the marking codes or the Keysight part numbers. Also, I can't find these part numbers on the Keysight website.

I just discovered the partial schematic you attached. Thank you! That will be of great assistance. ________________________________ Sent: Monday, October 7, 2024 12:05 PM To:

Hi Yves, Thank you for the insight. If you have the Agilent part numbers for the components I listed, that might prove helpful. Regards, Keith Harvey ________________________________ Sent: Monday,

Hi Keith, I checked my 34410A and my 34465A, and unfortunately, I don't have a 34461A. However, they all have the same function to perform, that is to say from +10V, provide a voltage of +3.3V,

Yes. That was their only Telemetry product they made. The lawsuit cost them millions, and their customer base was very small. We ended up with the rack full of test equipment to do final testing on

Near Ocala, and I only have a 'Karen' sister that lives 1000 miles away. She doen't give a damb about me, unless shee can take something from me. I may have a cousin somewhere around Orlando, but I

Jared- Your very nice work on the 3400A is what inspired me to start thinking of upgrading various parts of the equipment I have.? I have a few Fluke 343's in the que and I keep hoping someone will