开云体育

Is this set up right? [email protected] or [email protected]? -- John Griessen

I use one source to trigger a scope. Other source goes into vertical. Tweak until sine wave quits moving.Using this technique I had a sine wave take all day to get 10 divisions. Idea is from NBS or

A gadget that I built a couple of years ago. The purpose is to compare an unknown freq to the output of a GPSDO, so that the unknown can be tweaked to match. It's only useful when the unknown's freq