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Very nice! I'm glad to see someone else maintaining a collection of beautiful displays for special projects. :-) Here's a pic of a few of mine. -Dave -- Dave McGuire, AK4HZ New

Alright, fine, here's the money shot. :) https://i.imgur.com/brC52Mu.jpg Sooo many zeroes! :D Jared

Very good, but the humour will probably go over anyone’s head who isn’t familiar with the context relating to the railway line which connects the two. I appreciated it though! Never seen an

David, thanks for the country code update. E for Bedpan is new to me, I’ve never seen one. (Apologies for the attempted humour, I used to work with a guy named Bedford, whom we referred to as

And that was a good call. :) I removed one each of the doubled up diodes and re-tested the frequency response, and now it's come in under the HP specs, so winner winner chicken dinner. :) I bodged in

I've got quite a few that are above week 52, all are late 1960s designs with a prefix starting 9 or 09 (from several factories), I suspect it's due to the change in paint colors & IEC changes (for

Am 16.11.2023 um 13:12 schrieb David C. Partridge: Aliexpress has its own EU distribution centres that import and brings the sales through

Probably because German Customs are a totally officious set of "jobs worths" that will prevent a shipment from being delivered for the slightest perceived lack or error in the paperwork. Just my

Am 15.11.2023 um 19:46 schrieb Jared Cabot via groups.io: For some unknown reason no one seems to sell them to Germany. At least if I search on Ali on them, they are not found. Using links from the

Hello, I have an HP8757A and it's been about 8 months that I haven't used it. A few days later I turn it on and the image disappears each time I turn it on and hear 3 to 4 times and then nothing, I

Try to open the case of the 85101C and see if some board moved and GPIB internal flat cable is OK. You can also try to read the 85101C with a USB-GPIB adapter to see if the GPIB of the Display unit

Hi Razvan, I had replaced the 85101C by the 85101B keeping all the cables the same, then the system worked. So, no wiring problem. The problem must be within the 85101C. Adress settings were correct,

It's mostly a matter of preference on air flow direction. There are pluses and minuses to each approach. There's also a more subtle effect, which is the aero- and fluid-dynamic view. This can be a big

True on the letter. It’s been 30 years since I was with HP first at OED (Opto) and later SSR (Southern Sales). Sorry about the “U” but they did in the have multiple manufacturing locations I

And the letter in the middle of (later) serials referred to the country of origin. A=America, U=United Kingdom (Scotland), G=Germany, J=Japan, etc. Jeremy [email protected]> wrote:

I was specifically referring to instruments, as I have no HP computers nor did I work with them when I was employed by HP. I agree the date is design, not manufacturing. Very few of my HP instruments

Ok Joe, thanks. I'll have a look in junk pile for some 2716s and try when the unit comes back... Regards, Julian

Julian, Just looked on KO4BB and there are several 'files' of 8970A ROM's. One of them states they are '2716'. I have not personally read and archived the 8970A ROM chips but I can do that if

Jeremy, et.al. you are correct as far as computers and peripherals go but not instruments. my experience is that the date (first 4 digits) is the date that changes to the design were frozen. My

I'll go to KO4BB.com then. Thanks, Julian