This circuit is from an article that appeared in the June 1974 issue of Radio Electronics magazine. The circuit used integrated circuits and transistors of the time and included the power supply.
The operating range of this circuit ranges from 0.5 to 2 MHz and its gain is 11dB. Transistors can be of...
This circuit is from a 1993 publication and can be implemented with any optical isolator that has...
The configuration shown in the figure makes use of two comparators of the four available on the...