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I have never worked on an 8648A so this is a SWAG, it may be that the attenuator is a HP 33321A series attenuator (4GHz version), this would have the push rods and o-rings. I have seen some of the

When we saw that the full designation was 8670B - K29, that told me that the unit was an add on kit, likely a limited edition. It was certainly related to the 867xy (x=0-3, y=A-D) family of

Hi Allan, I don't know if this is the most recent version, but here is what I have. BD4 page 363

We'll do our best. Ping me off-list for shipping info. -Dave -- Dave McGuire, AK4HZ New Kensington, PA

Hi Dave! I will be looking to discuss with you to handle imaging of the DEV_PL disk and possibly others. I had quite the adventure going through the forgotten old computers stashed in a garage

Yes, I'd missed that one!

I should have added the 'glitch' is only a momentary break - perhaps 10-50 milliseconds - before the requested level is outputted.

Ah yes, I suppose if you run an X window then you don't really need to export screenshots onto disk. Thanks for testing those, my own notes were not as thorough. In the meantime I also remembered I

I must say that I've only used the Alt+PS feature to save a screenshot of the Window in Linux. I just tried saving the "print" -> "flexible disk" function and I *could* load all the file formats in

That's a great question and I honestly don't know. I would think that Google has a fairly robust language capability (they have the translate tools, after all) but I don't know how that might play

Could be the rubber o rings have perished. It's a common failure point on these.

My aged, but otherwise working SG (100kHz to 1000 MHz) has a long-standing glitch in the RF output. settings? While not a deal-breaker in normal useage, I'd like to fix if possible. With 1dB steps

Correction: stupid computer help!! Re: HP8673C Restoration project From: Don Bitters Date: Tue, 18 Feb 2025 11:49:50 PST FYI. I have found that National Test Equipment in the USA does microcircuit

[email protected]> wrote: hole do you know how it handles non-English language? written in technical German and presented as hundreds of pages of image PDF. diagrams/schematics later. a

Hi John, I didn't see that it was a big error in the title of the topic. I was still continuing to speak about the 8670 family instead to remark that it was a mistake from the first post in the

John - re the Google workflow This is new to me, and interesting, but before I head down that rabbit hole do you know how it handles non-English language? My current problem is a trove of vintage

Many thanks for that suggestion, Peter; much appreciated. Clearly those keys are in need of cleaning in any event, so that needs doing anyway. It'd be a real bonus if it clears the issue as

Okay, "Response" and not "One path two-port" then. I'll give that a try tomorrow. One other point, though: you say to choose 'thru' and connect a 'thru' standard. Surely a 'thru' is a basically a

Thanks for sharing! If I may add: for anyone like me that had just the basic unit without the LAN option, it's a fairly simple

Yes, it can. I’ve had several similar type HP front panels do that. Disassembly, lots of q-tips with IPA cleaning panel holes and keys then putting everything back together solves it, if that’s