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Hi, I have two 8591As to check, and for both, I'd like to correct the timebase. I followed the procedure in the service manual; it worked, and I correctly executed the CAL STORE command when

Thanks Just ordered 50 ? orings.? I have 2 Attenuators to repair.

How many of what size/type would be needed to replace all the ones used in an 8566B stack? I'd be interested in buying a set to refurbish my spec an when it becomes

Is anyone going to be buying 0-rings now? I'd like to do a group order since I now have an old, mostly working 8566B SA. These can be mailed around in letters for $.73...

Hey All, I noticed what looked to be a zero issue with my 435B, so I thought I'd run it through the zero carryover test (OSM 4-6) to see what was going on. While the meter meets all the ranges given

I used 0.5mm CS X 1.0mm ID 70 durometer from theoringstore.com on an attenuator from my HP

I have done over a hundred repairs of the 3332xA/B style attenuators. In the file listing in this site you will find a detailed step by step procedure with HPAK part nos. and Apple Rubber part nos.

The original o-rings were 1.0mm ID,2.2mm OD for a cross section of 0.6mm. None of the ones listed are exactly the correct size.

There's good older threads that go into some detail on this. I repaired one set a few years ago, posting here, and I recall the "surgery" aspect of the project. Mechanically, maybe one of the more

Which size should I select on that page? I have stuck attenuator sections in three different instruments, seems to be a common problem. Marko Cebokli

HiI just disassembled my hp8648 attenuator 33322-60011. I found the little rubber orings have broke. I need to know exactly how to disconnect the rods that the orings are on from the contact, without

Awesome and thank you! I bricked two E1439C digitizers from a bad firmware update and developed a procedure to fix those. I need to write a small program to reset the serial number. The A1 (main

I changed Q219 and its complementary transistor. Now I can adjust the 7.5Volts on F3. The amp is now fixed, but the A-CAL Fail error for square and triangle is still present. The output is correct,

Hi Anders Just go to the Files section i have been uploaded the Clip to 8590/91A Br Johnny

Hello, Have a look on the messages " Agilent *E4404B* Spectrum Analyzer With Dead *PSU* Repair (

I later suspected that 15x would be too much. I'll have a look for AO570/145. Thanks. Renaud

sorry, mine has N-type connectors and looks exactly as this one https://accusrc.com/product-Agilent-Keysight-8495B-10605

Thanks, I have the manual, mine has no screws on each end, for? a? picture please see https://se.rs-online.com/web/p/programmable-step-attenuators/2237205

Hi Steve, Thanks for that advice. Why are 145 eyepieces better please? It seems 147 are very common. Best regards, Renaud The 145 eyepiece is 10x. The 147 is 15x. The AO570 body has magnifications

Do you have a manual attenuator or the electronically switched one? There are 4 screws on each end of the attenuator, if you have SMA/3.5mm connectors, then remove the nuts on those connectors, the