» Mot-clé : Motorola

Motorola Waris series S-meter

MotorolaGM380SMeterZoom.jpgAlthough the following design is not revolutionary at all, it still has the benefit of fulfilling its primary function and bringing back memories of electronics courses about op amps. Moreover, it does not need any specific measuring tool for the calibration process. You'll need something to generate a strong RX signal though, like your kid's PMR talkie-walkies, in order to set the full range signal reading.

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