Several years ago I bought a PG506 (B40000 and up) along with other TM500 plug ins. I was unlucky enough to damage the PG506 by installing it in a TM506 that had a bad pass transistor. For whatever re

I rescued a nice looking B&K CRT tube tester. Model 465 Has the manual and the connectors also. From TV repair guy. I do not know if it can test scope tubes or not,so I thought I would ask here first.

I've never used this special low-temp solder to remove SMD IC's. I 'm game to try it. Here is Mouser's inventory. Exactly which one is the correct low-temp solder? https://www.mouser.co.il/Chip-Quik/T

The following photos have been uploaded to the Tek 575 album of the TekScopes@groups.io group. Selenium_100225.jpg Selenium_100248.jpg Selenium_100429.jpg Selenium_100442.jpg By: Joe <The-Lohrbach-Fam

I found this baby in a nice Tek box among the Tek spares I recently bought from europe. Took a while to find data on it, it is a small gold pellet tunnel diode, the RPR does not say what it is used in

Greetings everyone, I have a question to ask you: with a Tektronix 492AP spectrum analyzer connected to the PC via the Prologix GP-IB to USB adapter and launching the HP 7470A emulator program on the

For about 15€ I bought this 465 for parts. Seller said it didn’t turn on at all. I opened it up, and indeed, it definitely can’t function. There are apparently 4 missing components in the power supply

Happy Easter everyone, my 492P was working when error 59 and then error 58 appeared for a moment on the screen, at the same time on all span / div the signal amplitude is low compared to the correct v

I bought my 2246 on eBay 6 years ago. It was really good until 8 weeks ago. Then, without warning, one day it wouldn't turn at all - no diagnostic LEDs, no clicking, nothing. I found out the hard way

My Tektronix 465 has a -8vdc power supply problem. The voltage is -2.6vdc. All the other power supply voltages ae correct. I need to be able to isolate the circuits as best I can when the correct comp

I have a 7L14 in excellent shape for sale. If interested, I can send pictures of the unit operating. I have not used it much in the last 8 years, but it works well. I will consider offers , but reserv

More clean up from my office, some mint 38G, 48S and 48SX hp calculators added to the stuff season page, have a look here: https://www.sphere.bc.ca/test/stuffday.html#hpfans I am happy with just my mo

Good Day to the group, I trust that this message is finding you well. I could not hold back, but I simply had to comment on a note re. the Type 575 from company Digilent. They are a good company in my

I have a sick AA501A that I am trying to bring back from the dead. I am wondering if anyone knows of any replacement reed relays. The existing part is Tek number 148-0134-00. The part number on the pa

Hello-- Given shrinking component markings and deteriorating vision, I'm interested in purchasing a stereo microscope with long working distance. I stumbled across a company (Amscope) that offers a ra

We have been finding all kinds of strange and bizarre items in storage here at Sphere, from unknown optical widgets and hard to find parts to 10KVDC power supplies. Plus, we keep filling up the Free S

Hello all, I've been watching this group on and off for a long time, and have finally come around to the reality that I have too much stuff and will likely sell it all to free up space. There are a fe

Hi All, I have a beaten, battered Triplett Model 630-APL VOM that is free for the postage. It has corrosion in it that I cleaned out a bit, but the corrosion has dripped onto some of the measurement r

I picked up a little Sony/Tektronix 380 Video Waveform/Vectorscope recently. It powered up but no trace, just a faint glow on the screen. It looked to me that the X10 HV multiplier was bad so I dug ou

Well, I might be a bit rusty, but it seems I can still repair things :-) In this case, the versatile 2101 pulse generator from 1970. I had no idea of its condition, so first off, I wiggled all the soc