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PA0KSB Drift Corrector
Back in 1977 there was a circuit published widely that claimed to
correct drift in a vfo by sampling the output, downconverting it, comparing it with a crystal oscillator then correcting a varicap in the vfo. Has anyone ever tried this? How well did it work? This circuit, if it works, could be resurrected and bring a lot of the older Boatanchor Rigs back on the air. It was called an FLL or Frequency Locked Loop and was not very complicated. Tony WA6LZH |
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