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Low cost intercom using transistors








 
Low cost intercom using transistors
comprises a 3-stage resistor-capacitor coupled amplifier. The complete circuit, along with microphone and earpiece etc, can be housed inside the plastic body of a cellphone toy

Authored by Unnamed at Electronics Zone, Added: 22 Dec 2006



http://www.electronic-circuits-diagrams.com/audioimages/audiockt2.shtml

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