This circuit is from Radio Electronics from March 1977. The integrated circuit is from that time and the circuit is intended for an infrared audio link. The modulation is in pulse frequency.
This circuit is suggested by the National Semiconductor (Now Texas Instruments) and is based on a...
This optical coupler for short distances is powered by 12 V which is the voltage of the lamp and...
June 2017 - In its huge line of available components, Mouser Electronics highlights the new...