I am going to use the 561B rack mount scope I have restored in an RTTY setup. The time base I have does not offer an external horizontal input. A 3B4 or perhaps 3T4 does have it. Does anyone have one

Hi, I'm looking for a few accessories for my 2400 series scopes. If anyone has some of these parts laying around, I'd be happy to take them off your hands for an appropriate transfer of funds. :) - P6

For Shipping cost only, about $30 from Israel to US/EU Paypal only. About 30 pieces, all OK, name-brand memory. Micron, Crucial and others. And a Seagate 160GB Laptop HDD Especially for the older equi

I have a handful of older Tek scopes and plugins that I would like to find good homes for. Can someone point me to the appropriate place to post descriptions, please? (Hopefully not ebay.) I'm located

n4buq wrote on 12/16/2020 11:30 AM: > This place is less than 25 miles from me (easy drive) but they don't offer over-the-counter sales so I haven't made myself pay for shipping; however, the base pri

Phil1010@... -----Original Message----- From: TekScopes@groups.io <TekScopes@groups.io> On Behalf Of Lawrance A. Schneider Sent: Thursday, December 17, 2020 7:18 AM To: TekScopes@groups.io Subject: Re

Apparently Gmail is having serious problems. Groups.io is bouncing email to some members who have Gmail addresses because Gmail is rejecting mail directed to its members. Dennis Tillman W7pF

Hi All, I have a very off-topic question, but it's relevant in the sense that I would like to ship a technical item (a camera of sorts) to Chile. Does anyone here have experience with shipping from th

Hi all, sorry for the offtopic message, not sure where to go with this one, so I thought the smart heads around here might be connected somewhere. I'm looking to get a 70s IBM terminal, either for a S

Rogerio O added the album Tek 2465BCT unable do display cursors and readout messages: After LPVS recapping, the scope was unable do display the cursors or diagnostic messages. All volatages on J-119 a

Apparently some people do not realize how simple it is to fix a broken link wherever and whenever they encounter one. For example in a previous email I posted today I included a link to a file a membe

Hello everybody, I have a Tektronix 7904. The device was probably left unused in the attic for a long time. After opening the device, I noticed that the board for the horizontal deflection was quite d

Bonjour a tous: Found my TEK 191 gen in storage, untouched for decades, probably from a Sil Valley ham flea. Date codes from 1972. Have the orignal manual and GenRad connectors and cables. Very clean,

is my account still bouncing? I have 14 GB free, groups.io must be broken.

Looking for A4 board/#38 switch assembly!!My 'new' 475 is suffering from stuck vertical mode switches. CH1 and CH2 buttons are depressed and will not de-latch.ALT, ADD, CHOP buttons are out and will n

I have a couple of the 650 monitors, one regular and one 650HR. The jugs in both of them are so weak you can barely see a picture in a darkened room. Does anyone have a good one they would part with?

Hi everyone, Title says it all, I have a noob question : Does bi-stable storage CRTs can worn-out? That is, be less able to store, or store trace but very blurry? I have one such 5000 series scope alo

What parameters besides capacitance, voltage, and temperature are appropriate for replacement capacitor selection? I guess configuration and size, of course. What fits. This is the typical C1419 for a

Hi Tom, I looked at your account. There was one thing I saw that might have something to do with this but I think it’s a long shot. Otherwise everything looked OK. I sent you an email from the TekScop

A while back I fell in love with these older piece of test gears. I love them and still use them to this day. Then yesterday I had to measure several high value resistors, from 30M up to 90M. None of