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< Product Development >< MetRadio headset int. >
MetRadio headset interface
A broadcast project for the interfacing of radio and telephone audio to a standard headset. Operator controls delivery of either radio or telephone audio using external pushbutton switch. Based mostly on op-amp technology a small 12F microcontroller is also integrated to allow the unit to detect radio 'hiss' and mute the headset.

Manufactured on a double-sided PCB the product utilizes both surface mount and conventional mount technology. 

Finished product shown.