Hi - Trying to find the correct B&W film for oscilloscope camera - I can find Polapan - but I'm getting conflicting info as to whether the current format can be used on standard oscilloscope cameras.

It seems the narrowest 100Hz Rbw filter (that is sitting on top of the CRT) is not getting anywhere near warm. Yet, when checking center frequency at 100hz rbw the display was just slightly left of ce

i have a nice 465 that has busted vols/div knobs,does anyone know if replacements are available anywhere,the grey bodys are missing on mine,they still work fine but with those replaced it would be min

Hi all,i have a 465 ser number is :109736 ,any idea when this would of been made,its with the fitted dm44,TIA m3vuv.

Starts out for about 30 seconds with all dc voltages right on the money, then they all start dropping, maybe a minute to hit zero.\ Is this a known problem. or an area to begin checking? tia don

HI, I acquired a very nice Tektronix 465B for approx US $ 30.- The serial is #701524, so it is a local Dutch TEK 465B (the factory was in located at Heerenveen, NL, some 40 Miles distant from my Home)

Trying to find some info on Gould chart recorders / biomed instrumentation .Plenty of stuff on the Gould 'scopes, but that's not what I am after I've tried poking around in IO and Yahoo for someone to

I've had this instrument for several years; it gets occasional use, and had probably run for under 10 hours when I bought it. Yesterday on power-up there was no trace. I opened it up for the first tim

Hi all, I haven't been here for quite a while but have to post to let you know that I am ready to let some of my test gear, including Tek equipment, go to someone offering a good home, FREE. The catch

I recently acquired a 577 Curve Tracer with a Type 177 test fixture in pretty decent cosmetic shape except for the Current/Div knob on the 177. The knob is part number 366-1433-01 (they changed the kn

Does anyone here have experience download PNG or BMP screenshots, using VISA-COM (globmgr.dll) in VB6 from their TDS series scope (or other tek scopes i.e, MSO4104)? I know how to setup the screen sho

The following photos have been uploaded to the 1502 TDR internals ( https://groups.io/g/TekScopes/album?id=277608 ) album of the TekScopes@groups.io group. * Bottom view.jpg ( https://groups.io/g/TekS

I've been having a grand old time here, going thru my collection of 3-series plugins, and checking all the input attenuator compensations. I know that they don't normally need any attention, but these

Hi all. I'm looking for a TDS210 or TDS220 motherboard in any condition, working or not. The cheaper the better as I'll be stripping it down to hopefully reverse engineer into a schematic. If anyone h

On this 475 of mine, AUTO sweep stops working after a while... no sweep at all, spot stays on left (vert amp OK) - this happens only after a few minutes warmup; just after power on, AUTO sweep is fine

I've created a new folder called "TM500x Rails". In there are STL files, as well as the Sketchup 2017 file for replacement guide rails for the TM500x mainframes. This is the black rail on the bottom.

Hi all I'm trying all possible resources to source this. I need a replacement LOGIC-A PCB, and/or the PROM which is socketed on that PCB. If anyone has a non-working unit, and is willing to part out t

Hi Does anyone know if there are adapters for 3-pin SMD transistors to suit a TO-92 mounting? Most of the older TO-92's are NLA from the reputable suppliers, and I was thinking that about soldering a

Hi All, After repairing the reference section I realised that component replacement around the DAC may require re-calibration. Reading the entire process I realised the calibration process is daunting

Greetings! Does anyone work on 2000 series scopes? This 2024C apparently got wet at some point in time. There is some obvious corrosion on some of the boards. The unit does not turn on at all. I need