LM567 Infrared Transmitter Circuit


Posted on Feb 5, 2014

The transmitter is equiped with LM567, tone decoder circuit. Audio signal ( at least 50mVvv ) is amplified with T1 and then it is used to modulate IC1. Infrared transmitter frequency is adjusted with P2 between 25 and 40KHz.


LM567 Infrared Transmitter Circuit
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