Success Story: QRP Continuity Tester
Gene Schoeberlein, AA2YO, writes from Woodbury, NJ: "Yesterday (Nov. 20, 2004) was a rainy day so I had a few spare minutes and I put the QRPer's Continuity Tester (WorldRadio, Dec. 2004) together with parts from my junk box. (SEE SCHEMATIC IN NOVEMBER 2004 ARCHIVE)
"The transformer was only an approximation of what you used but it works like a charm. It is extremely sensitive and will even give a very slow click up into the megohm plus range.
"So you have to have a musical ear to tell you if the resistance between the probes is high or low. That helps if you are looking for one resistor in a pile. Thanks for the quick reply and keep writing articles for WorldRadio."
"The transformer was only an approximation of what you used but it works like a charm. It is extremely sensitive and will even give a very slow click up into the megohm plus range.
"So you have to have a musical ear to tell you if the resistance between the probes is high or low. That helps if you are looking for one resistor in a pile. Thanks for the quick reply and keep writing articles for WorldRadio."
posted by Richard Fisher, KI6SN at 4:02 PM
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