I've been pondering asking this question for I know this is likely to be a "new to curve tracing" question but here goes. For reference, pictures here: https://groups.io/g/TekScopes/album?id=252850 Fo

I noticed my 547's square wave response had deteriorated. There was a large long-duration overshoot, risetime had slowed from 7ns to 10ns, and bandwidth was 35MHz instead of 50MHz. There was no change

On 2022-05-21 4:25 p.m., toby@... wrote: > Hi all > > I have a loose 604 crt so I thought I'd ask on the offchance that > someone has a 604 parts unit - hopefully lacking little more than the > crt, b

I just acquired a Tek 3001GPX with all the goodies (keyboard, three P6490 acquisition probes, and 2 extra probe lead assemblies for the P6490s). It powers on, passes all it's self tests, says that it

A few 475's and 475A's have landed on the bench of healing to see if I can breath life in to them again. I am starting with a unit that was owned by IBM and has the DM44 on the top. cosmetically the u

Hi all, I have come across a Tektronix/Sony CM360 Oscilloscope Checker and was trying to find any manuals or information on this equipment. Unfortunately, the internet seems a bit lacking in any real

Hi all, I've recently purchased a 7A16A, working, looks new, S/N B138015. Probably the previous owner has tried to calibrate the HF response in a badly manner: risetime was 3 ns with very rounded fron

Dear all, Since I was unable to calibrate this unit and it was showing erratic behavior, I removed the main board for a closer inspection. After removing the cam of the Step/Offset switch to clean the

Hi all, Picked up a Tek 7313 from a local lad via Facebook. He didn't actually know what it was but thought it looked cool, bless him. Anyway, it does power up, however hums quite loudly and doesn't f

Hi all I have a loose 604 crt so I thought I'd ask on the offchance that someone has a 604 parts unit - hopefully lacking little more than the crt, but ideally including the power transformer and supp

The following photos have been uploaded to the 7A16A step response (with 7854) ( https://groups.io/g/TekScopes/album?id=262075 ) album of the TekScopes@groups.io group. * pin14_U350_removed.jpg ( http

Please pardon the OT but I don't know where else to turn except to groups like this one for some things. I have an older Powerstat 116 that I've refurbished (mostly cosmetic but have rewired it as wel

Thx for that advice: Here is my plan : Topic: Replacing/upgrading the LTC 7P Lithium battery backup for the 2465A STATIC RAM. Replacement Battery: http://www.newark.com/jsp/search/productdetail.jsp?sk

Hello, I joined this group after purchasing one of these scopes which arrived defective. Originally, the low voltage power supply was ok but the high voltage supply had a problem where the fuse was bl

I'm ready to part out a 5440 mainframe to clear it out of my workspace. Everett, WA 98203 It powers up, but I don't have an amplifier to test anything. Based on the state of other gear I acquired in t

Starting a new thread as although this is on the same scope, this is a different question and I want to avoid another long thread. I looked in the 455 service manual and in the Tektronix 'Troubleshoot

I just finished replacing the Battery, rebuilding the Power Supply, broken Scale illumination Pot on a 2465A for one of my nephews. It had an SRAM Failure that I had to replace. The Failure was intern

I did a quick search and found some cryptic comments in one or two instances of someone using a particular glue or epoxy to repair the above. Alas, the correspondent made no mention what he was using,

I have a Curve Tracer Adaptor, P/N 013-0128-00, for a 5CT1N/7CT1N plugin and a previous owner removed the larger of the two sockets (for a TO-5?). From the documentation I have, that socket is P/N 027

Very clean TVC501 manual. Pic available. $10 plus shipping from Everett, WA. Check or PP FF. Cheers, Grant KB7WSD