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Nice copies of the various HP3456A manuals are available on Ko4bb.com -Chuck Harris <kc0wjn@...> wrote:

Hi Are the Cal signal at w9 ok-about -25 ?—if so I guess you have the same fault we have seen in the MXA series-bad switch at Rf Front end.. Regards Hardy Fra:

AC fuse as in the mains side? My first check would be if there are no RIFA X/Y caps that have died & shorted. Wilko

I would check at the input of the power supply for a shorted filter cap. or a shorted rectifier diode. -- This email has been checked for viruses by AVG antivirus software. www.avg.com

I was able to source some CS5208-1 from Kynix. Had good results ordering obsolete/obscure parts from them before: https://www.kynix.com/productdetails/5533925/onsemiconductor/cs52081gt3.html Also

Yes. There was a time when a 3458A was on my list of expensive instruments to acquire for my lab, but I ended up with the 3456A as an interim solution and it has fulfilled my needs. I wish I could

The 3458A is indeed the gold standard, and one of the few instruments to be made with all three names on the front. They are great meters, even (especially?) by today's standards.

They made 3455s, 3456s, 3457s and 3458s. I think but am not sure that these were all "A" models, i.e., 3456A. My understanding is that the 3458A is the (or one of) gold standard(s). I own a

Friends, My beloved HP8920B RF Communications Test Set started blowing the 5A AC fuse today.? It blows as soon as you push the power switch.? I am wondering if there is a common problem I could

I had no idea they made a 3456B. Are you sure it isn’t a 3465B?

Does anybody know where I can find manuals for an HP3456B DMM? The HP site has a manual for the 3456A, how different is the 3456B from the 3456A? Thanks, BobH

Thank you for posting your story, some other 3455 owner will benefit someday. Dave Wise ________________________________ Sent: Wednesday, April 2, 2025 11:49 AM To:

Hi all, I checked U16 the latch connected to the driver U5 with a scooe. The output pin 15 ( connected to pin 9 of U5) was not stable and so I replaced U16. Now the 3455 is working again. At least no

Thanks Ron, that is the oldest 410B manual I've seen. It's for early non-prefixed Serial Number 401 through 7228. Dave Wise ________________________________ Sent: Wednesday, April 2, 2025 10:11

In the course of refurbishing an old -410b, I was a bit confused in that my unit does not correspond to a manual stored here in our Files section.? So, I purchased a manual online and discovered that

Thanks Nigel, I have updated the firmware from A.04.00 to A.05.00. Unfortunately, the failure persisted. Since it was able to passed all other tests, except CPU[2]: 16 tests failed, it seems like a

I have Agilent CXA Signal Analyzer N9000A, I'm getting these errors, please help. I referred manual and it suggested to check 50Mhz with -24dB, But when I check in my equipment its showing 50Mhz with

I'm still looking..

No, it is not the same as for the 83732A. I tried but it is not working properly.

"tom_iphi via groups.io" <iphi@...> writes: ko4bb has https://www.ko4bb.com/getsimple/index.php?id=manuals&dir=HP_Agilent_Keysight/HP_83732A_Synthesized_Signal_Generator Not sure