Keithley 775A Programmable Counter TCXO Repair
In my last post, I did a teardown of the Keithley 775A programmable counter/timer. And while feeding a 10 MHz […]
Keithley 775A Programmable Counter Teardown
I just picked up a Keithley 775A programmable frequency counter from eBay. Specification-wise, this counter is very similar to the […]
Teardown and Repair of a Racal-Dana 1992 Frequency Counter
I picked up a non-working Racal-Dana 1992 Frequency Counter on eBay a few weeks ago. The symptom is that only […]
HP 5350B Microwave Counter Teardown
Here is a teardown you do not see very often. I recently bought an HP 5350B 20 GHz microwave counter […]