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Winn BRAVO Great scope.... Check the SN, get servie manual and see the notes on A5 SMD cap leakage and NVRAM battery and replacement. the PROBE CMP of 2465B is proportional to the sweep rate.

This is just a guess, but how long was the earth connection for the probe? Not using a short earth lead is a classic cause of ringing. Cheers, David

I have a new to me Tek 2465B - a dream come true. As I was putting the scope through the paces, I discovered that the probe compensation output signal shows pretty significant ringing at time bases

Just use Ramtron FM1608 as pin-compatible replacement for DS.... it works.

I too thought the article was quite wonderful....and re slide rules. Walter and I talked about them a bit. great guy and sorely missed..i still use my 6 in slide rules ....my 18 in is bamboo and

I totally understand,? Dave!? Same issue here....? ? ? ? ? Jim FordSent from my T-Mobile 4G LTE Device

Yes, I had only bought once or twice from Sphere, but Walt and Susan did include some useful goodies.? Say, that NYT article mentioned slide rules made out of bamboo, and I'd never thought about it

Yes, nicely done. I feel, however, that there was a lot more to Walter. Of course... journalism... eulogies ..the 'craft' of telling stories and all that. -- Roy Thistle

Oddly enough (or maybe not) ... They didn't seem that interested in slide rules...at least... when I inquired about them. -- Roy Thistle

There's a Stuff Day scheduled for 2/24. Wish I could go. Well, I can, but I wish my wife would let me come home if I did. Dave Casey

I miss Walt. I first got acquainted with Sphere Research through slide rules. I had saved mine from my university days. I still have the Dietzgen N1725 Vector Log Log. My father was an architect and

012-0482-00 - 36 in., precision (1%) male-to-male 50 ohm precision coax cable. PM me your offer Located Vancouver, BC Canada Local pickup is fine Paypal okay, eTransfer for in Canada is fine You

Hi Mike, Here are a couple of thoughts... (i) The early DRAM checks only test the Buses, I/O pads, and a few memory locations - far from comprehensive. (ii) Symptomatically you likely have either a

@Victor, Fair enough. I just wouldn't compare the work I did to the soldering job done by a prior owner which I would agree was hacked. Yes I did joke in my video about the mess of jumper wires.

That was a nicely done bio.

Frank, I re-read my message and I don't believe it was condescending at all, except possible saying it was hacked. When I said hacked up I was referring to mods not made by you - as you mentioned in

Alternate link for those who get poleaxed by the paywall: https://archive.ph/r0uuX -- john, KE5FX

https://www.nytimes.com/2024/02/08/science/walter-shawlee-dead.html

Thank you Shaun! I'm going to try to emulate your daughter cable. I got one of these - advertised as a dual-sided 15x2 HP extender card (https://www.ebay.com/itm/145165996325). I plan to desolder