Telephone Intercom Circuit Diagram. Figure 1 the circuit diagram. The main concept behind the circuit is the use of lm386 audio amplifier which receives the audio signal from microphone amplifies it and plays it on the speaker.
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High quality intercom december 25 2010. A very high quality intercom which may also be used for room monitoring. This is the circuit that sparked off all the other link telephone intercom designs.
The main concept behind the circuit is the use of lm386 audio amplifier which receives the audio signal from microphone amplifies it and plays it on the speaker.
By using this circuit you can easily make a intercom connections with telephones each telephones has itsz on buzzer and light unit for alert the call from on. By using this circuit you can easily make a intercom connections with telephones each telephones has itsz on buzzer and light unit for alert the call from on. Intercom circuit with ringer. This is a telephone intercom circuit the ringer signal generator is a stepping motor a no normal open b nc normal close c common.
