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How to using a freq counter as a dig display for shortwave radio Off set circuit for the radios IF freq 455 KC etc.

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Wyle_E7 years ago
The easiest way to offset the reading of a freq counter is to obtain the reading in digital form and run it through a dedicated processor to do the subtraction. The counter's output will probably be in BCD form, so a processor with a BCD mode would simplify the programming.