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Thanks Albert. I'm wondering if the fact that there is absolutely no readout in SCOPE mode (rather than a wobbly readout) would direct me to a different starting point. Best - Ram

For A.B. "hot-moulded carbon composition resistors" (for Panasonic ones too) the effect of "moisture" ingress (a.k.a. gaseous water molecules = water vapour = moisture) is to always increase

And, come to think of it, my parents' 1971 Volvo had a hybrid or analog computer under the driver's seat.? It was one of the first cars with fuel injection, and in retrospect, that may have had to do

I do SMD rework/repair, on occasion. I determined that a reflow oven was frequently required as solder connection quality/failure were not infrequent issues. I built one based on a modified

All of the ceramic terminals have been spoken for by an member of the Tek group that lives in the area. Thanks for your interest.

hi Luca try here ..... http: //www.ko4bb.com/getsimple/index.php? id = manuals in the search field write tds540 I hope it will be useful for you .... regards simon

Sadly, nearly all of those Boston area stores are gone. You-Do-It Electronics is still open; it now has a significant selection of maker stuff from Sparkfun and Velleman (and a few Adafruit items)

Reminds me of wiring and aligning the inertial navigation and bomb-laying systems for the Martin P6M Seamaster in 1956-58. Lots of machined stainless steel Kerfott synchros, resolvers, etc., elaborate

Have been searching but have not found the latest version of Firmware for TDS540A. Does anyone have an idea? Thank You Luca

Would have been interested but you're way too far. -- Alan Wilson Program Manager at Molex

I was in the Navy in the 60s as a FT (gun fire controlman). The analog computer that aimed the guns was the Mark 1 Able (MK1A). While not as accurate as digital methods, analog computers have the

I never did get to Meshna's place or B&F but I bought stuff from both via mail order (the forerunner of online shopping). I think it was a WW II passive infrared night vision unit I got from Meshna -

The EIA stuff used piecewise diodes and had programmable DFGs. The manual includes the complicated procedure of reducing an arbitrary function to coefficients within the component constraints. See

I was in high school in the early '60s. I recall making several trips to a surplus store in Boston (don't remember the name) to gather parts for my senior science fair project. The most memorable

There was also Electro-Craft on Dorchester Ave (in Dorchester). Tons of NIB ARC-5 Receivers and Transmitters. 73, Dick, W1KSZ "Dahchester" Boy, 1940-1966 ________________________________ Sent: Monday,

tekscopegroup@... wrote on 11/30/2020 12:28 PM: <snip> Hello-- Sometime in the early 1960 , my roommate and I hitchhiked from Boston to his home near Suffern, NY-- his goal was to see his girl

I like the definition Bruce cited because it would include such things.

Probably the old equipment was designed to be insensitive to exact values of carbon comp resistors.? Kudos to the designers for robust designs.Jim Ford?Sent from my Verizon, Samsung Galaxy

Yeah, the "tap-dance of relays adjusting circuits" still occurs these days, for example in spectrum analyzers doing auto alignments.? They sense when you're in the middle of a critical measurement

Ed, Thanks for the suggestions! I will dig a bit further into the box when I can get to it - it's sitting behind several large boxes of stuff. Steve H. [email protected]> wrote: