Schematic Telephone Intercom Circuit Diagram. The circuit is made up of an amplifier two switches and two loudspeakers. Cf1 1 cf2 off.
Mobilephonejammer Circuit Diagram Which Consists Of Three Main Circuits If The Three Main Circuits Electronics Circuit Mobile Phone Jammer Circuit Diagram from in.pinterest.com
Intercom circuit with ringer. Use a double switch with 2 positions so when one is used to talk and the other one to listen. They only provide general information and cannot be used to repair or examine a circuit.
Active state off hook.
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. Cf1 1 cf2 off. Ic lm382 is used as the final amplifier. In this intercom schematic the 8 ohm speakers is used as microphone and listening speaker.
