Frequency counter/Crystal tester kit

Discussion in 'Homebrew and Kit Projects' started by ZL2AKI, Jul 12, 2017.

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  1. ZL2AKI

    ZL2AKI Ham Member QRZ Page

    These excellent little kits are quite cheap on ebay at the moment. Just wondering if anyone has a circuit diagram for the actual circuit. There is information available on the web but does not include some extra circuitry which may be for two amplifiers or regulators(?). The board is marked K1433078S 2578-4.11. Regards. Gary ZL2AKI

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