This circuit was found in General Electric documentation from the 1980s. The circuit is intended to receive 50 kHz modulated optical signals. The components support modern equivalents.
This circuit was originally found in Radio Electronics magazine, enabling the transmission of...
Found in Fairchild documentation from the 90s, this circuit generates signals with the...
We found this circuit in the October 1992 Radio Electronics magazine. The frequency is given by C1...