Intercom System Circuit Diagram. Videx 4000 with trade. The current consumption is about 210 ma with 1 8 watt output.
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. As you can see the circuit is very simple and can be easily built over a breadboard. Rauland intercom system circuit diagram author.
So the circuit is very easy to assemble.
To reduce signal loss in the transormer a 4 5 watt transformer is used. Act 10 keypad instructions. To reduce signal loss in the transormer a 4 5 watt transformer is used. Creating your own telephone ne2 rk you can easily create your own intercom system using two telephones a 9 volt battery or some other simple power supply and.
