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Posts tagged Microphone

Circuit Diagram for Full-Duplex Intercom using TDA7052 Audio Power Amplifier IC

The following circuit diagram shows electronics schematic diagram of Full-Duplex Intercom using TDA7052 audio power amplifier IC. The circuit diagram consists of Log. Potentiometer, Resistor, Carbon or Cermet Trimmer, Polyester, Electrolytic Capacitor, Transistor, Audio Power Amplifier, SPST miniature switch, miniature electret microphone, and a 8 Ohm Loudspeaker.

Loudspeaker Microphone Circuit Diagram by Andy Collinson

According to Wikipedia, a loudspeaker is an electroacoustical transducer that converts an electrical signal to sound, while a A microphone, sometimes colloquially called a mic or mike, is an acoustic-to-electric transducer or sensor that converts sound into an electrical signal. This following loudspeaker microphone circuit diagram takes an ordinary loudspeaker and allows it to be used in reverse, as a microphone.