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Tek used to supply little PCB's with various circuits to test out and let you try out new scopes. They had triggering experiments and other waveform generators to give you some experiencce with new

I will try to remember how it all turned out the meetings went on and on and on the explosion of programmable devices not just proms was an issue the old timers could not grasp and there was a lot of

I had two 485s (I sold them awhile back). I found a cover for each; it took me many years to find them. They are very rare. One was listed with only it's dimensions. The cover for the 485 has no

What is your email address? akhilaadepu143@... or rajuadepu009@... Just a cautious curiosity. 73 de VU2UT -- One of those ... ...

Only found a brief description of the first two: 160-9569-02: Processor (probably with an internal F/W ROM) 165-2456-00: Micro circuit, hybrid These are used only in AM503B and AM5030 I10412-01 is

A quick GOOGLE search shows several Tek hybrids which have 165- part numbers. “The snake which cannot cast its skin has to die.”- Friedrich Nietzsche

160- were proms, ~1984 the available numbers were almost used up. 165- is probably a continuation. Pete Lancashire would know more and will most likely respond. Erik “The snake which cannot cast its

My goal is to unlock the secret of how the AM503B works and ultimately to find the schematic, theory of operation, maintenance manual, etc. so we can finally fix the plugins. I am looking into the

Remarkable! I never thought those little resistors could have such an effect, innocent-looking things that they are. Well done for tracking it down, and thank you for posting the result. I'll

Anybody have a clean and un-cracked dial and knob for this TM500 sine generator (goes 0.5-5.0) ? Mine is falling apart, and nothing suitable here as a spare, so I am hoping to find one out in the

Hi Mike: I have over 80 of the 485 scopes that I have bought on eBay over the years. Only one came with a front cover and I could not part with it. They do exist but I think hen's teeth are more

Does anyone have a front cover for a 485 portable scope that's surplus to your needs? Thanks! Mike Harmon, WB0LDJ mharmon at att dot net

Almost my four word-class deals. A NIB very rare 7623B - this was a 7-day auction, and astonishingly no-one bid. So I got it for $100. Or the AA501 distortion analyser for $14 on BIN. My fingers were

At the bottom of every post there is a button - "Reply". Clicking that gets you a window to type in and if you select the text in the post above it will be quoted and indented in your reply. I can

Allen-Bradley stopped making them in the early '93. Caused us no end of grief at Oxford Instruments (where I worked at that time), where we used them as low-cost cryogenic temperature sensors, needing

Low self inductance. It is a simple carbon-loaded rod. Whereas metal film resistors are usually spiral cut and have a measurable inductance. You can easily measure this effect on an RF bridge. Craig

That was a genuine steal! -- Michael Lynch Dardanelle, AR

Yup - that went quick!

Target reached !!! :-D Now I will poll the VintageTek website every day until I see them unpack their little scanner and start playing with it, can't wait ! ^^ Vincent Trouilliez

On Fri, 18 May 2018, TomC wrote: So we have reached the goal. Good to know, hope it would benefit everyone. > Donations now at $6040. Time for them to start shopping. > > > > On 5/18/2018 12:51 PM,