intercom circuits

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Intercom circuit, intercom schematic

Oct 18th

Posted by ElectroSchematics.com in DIY

3 comments

In this intercom schematic, the 8 ohm speakers is used as microphone and listening speaker. The 10K potentiometer controls volume and the total gain can be set with de 5k R. Use a double switch with 2 positions so when one is used to talk and the other one to listen. The switch will be in the house. (more…)

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Intercom circuit

Oct 4th

Posted by ElectroSchematics.com in House

3 comments

If you compare this intercom circuit to modern FM and wireless designs, you will certainly sau it outoded. The intercom schematic fulfills its tasks – to provide a reliable communication line and is very simple to construct. The circuit is made up of an amplifier, two switches and two loudspeakers. (more…)

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