playing with bits

Thoughts of a computer scientist focused on electronics.
VHDL, RF, DSP, PIC, Digital, Analog, plus anything I find interesting at the moment.

Showing posts with label repair. Show all posts

Showing posts with label repair. Show all posts

Thursday, May 4, 2017

Tektronix 2465B Capacitor Replacement and Repair

Recently and randomly I was notified from a friend about a local company liquidation auction for a local Unisys facility that was shutting d...

Thursday, April 7, 2016

HP 54503A NVRAM Replacement - DS1235YW to DS1230Y

A few weeks ago I turned on my HP 54503A to find it behaving strangely. While probing a circuit under test, I could not get any waveforms at...

Tuesday, June 16, 2015

Anritsu MF76A Repair - Part I

I recently acquired a nice Anritsu MF76A 18GHz frequency counter in a non-working state off of eBay. While older, this is still a very usab...

Monday, May 11, 2015

Tektronix 2246 Repair Part II

In the process of debugging the strange intermittent display issue on my Tektronix 2246 after re-capping the power supply , things are not ...

Saturday, May 9, 2015

Tektronix 2246 Repair

Last year I had talked about how I accidentally destroyed my Tektronix 2246 oscilloscope by removing the cover. There was a small dent in ...

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A computer scientist, hardware hacker, and embedded developer. KD8TBD

Brad

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