This wireless infrared remote sound transmitter is from an article published in the August 1988 issue of Radio Electronics magazine. The circuit can be built using modern, higher-power LEDs.
This is one of the channels of an amplifier suggested by Westinghouse in 1970s documentation. The circuit...
This circuit works as both an injector and a signal follower. We found it in the May 1994 issue of...
This circuit is from Radio Electronics. The magazine no more exists, but the circuit can be...