In this video I show you the steps I took to analyze and repair a DSI 3600A frequency counter, produced by DSI in 1978. In theory it'll work up to 600 MHz with the prescaler, but in the case of this one neither the direct nor the prescaled inputs were working.
However, in the end I got it working well enough for my purposes!
Негізгі бет EHV #6- Repairing and Restoring a DSI 3600A Frequency Counter (from 1978!)
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