I've got a couple of 310As and a 647. I'm trying to teach myself something about electronics. Problem is, I've got a motley collection of random probes, and I don't think any of them are

Hello all, could you please give me the schematic of a differential probe? I've seen some of them in various catalogues, but it seems to me that the price required is not so cheap, so I'd like to

Hi Dick, Mine was also got as a winter project and ended as a nice working unit :-)! Remove the four screws inside the back plastic supports. I think there is another screw on the bottom of the

I picked up a nice clean Tek 485 at Marlboro Saturday. I know it has problems and thought it would make a good winter project (between shoveling snow !). First though, what is the procedure for

It is flexible. Interestingly, it's not insulated - I guess otherwise they wouldn't have been able to cram it all in.

I need a vertical attenuator switch assembly modules (with the PCB) fpr a Tek 485. Someone used freon based or some other cleaned and disolved and damaged the PCB. Thanks Sam

I am writing this post to find out how to use yahoogroups. I want to review messages in the TekScopes group, but cannot "get there". Yahoo keeps saying my profile (what ever that is supposed to be)

Anyone know what kind of coax cable is used in this delay line unit... is it flexible or semi-rigid... or what? THANKS for your help!!! Konny

ibm service used alot of 561s scopes and it was concidered much better then a fairchild dumont 766h They were both replaced by 453 and 454 scopes

Howdy all-- I'm looking for a CRT for my TEK 549-- 154-0498-00 Easy to identify: 5" round, 10cm X 6cm screen window in aluminized front for tube. Any help appreciated. Thanks! Regards Robert

Hi Jose, The firmware is probably located in an EPROM or Flash EPROM. If your lucky you will spot a big chip, 28 or 32 pins with something like 27C010 27C020 or an 27F010 27F020. If your less luck

wrote: access located in an The TDS200 series with version 2.xx use a completely different hardware than the older ones. On the older ones you'd have to replace a ROM chip to upgrade and the newer

Hello, I just purchased a Tektronix 577D2 Curve Tracer. It came with a user's manual and only the FET test fixture but no protective cover. (In order to sweep higher voltage ranges, I must

Hi all I've uploaded a couple of pics to the pictures section of the Tekscopes site showing the replacement of the 40+40uF @ 450V smoothing cap in the Type 111 pretrigger pulse generator. The

Hello! I have a TDS-210 with an old (I think it is v1.1x) firmware. I have access to another unit with v2.03. Is there a way to copy it?. Is it located in

Hello Group Members, I have a Nelson-Ross model PSA011 audio spectrum analyzer plugin available. The center frequency range is from 0-20 KHz and dispersion is from 100Hz to 6 KHz. It is in

I would like to have a copy of operator's manual or service manual for my 453A-4. It does not have to be in paper form, .pdf file on CD is ok too. I will gladly compensate for expenses. I

I have a CRT that I removed from a piece of Tektronix medical equipment. It may be useful to someone. The piece of equipment was working when I dismantled it. This CRT had a clear, bright

Hi Alan You will have GPIB or RS232 - not both. You can use any National Instruments GPIB card (that is compatible with your PC) and Tek has some free software on it's website you can download to

Really? Any URLs for this? I haven't seen any freely-available GPIB software on the Tek site for the older gear. -- jm