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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

Forgot to attach, sorry, Gary WA2OMY From: Gary Hitchner <talgarth@...> Sent: Monday, March 24, 2025 3:43 PM To:

Hey All, I asked over on VinHPcom but apart for a pointer to the 17090B Software up on HPMuseum I didn't hear much back, so I thought I'd ask here as well. The C version of the software apparently

Do you have pictures? Glenn -- ----------------------------------------------------------------------- Glenn Little ARRL Technical Specialist QCWA LM 28417 Amateur Callsign:

List, FS - Three plug in's used in 8660's. 2)- 86603A one has phase modulation capability. These are the high frequency units that go to 2600 MHz. 1)- 86633B, Modulation plug in. These

The other area of the PSU to look at is standby power and startup circuit. In the older 859x series there is a Schottky diode HSMS-2800 that goes leaky. It's function is to rectify the output from a

That's good news. Robert.

Well, well, well!? I put 12V on the DC connector and removed the mains and the SA fired up.? about 12V at the plug at 7A when running, from a commercial switchmode 13.8V psu. And it stayed fired up