Found in a Popular Electronics from the 90s, this circuit is intended to measure the harmonic distortion of an audio signal. The circuit can be tuned between 970 and 1030 Hz.
January 2017 - Mouser Electronics is announcing the availability of the new OptoMOS® CPC1010N...
Found in an American documentation from the 90s, this circuit has a configuration that has been...
This LED diode test is suggested by the Texas Instruments optoelectronics manual. The transformer current...