Unlike the previous one, this circuit is intended for the reception of frequency modulated signals transmitted by the power grid. The circuit is from a Radio Electronics from February 1989.
This circuit was found in a 1964 Electronic Design. It generates opposite phase signals from an...
This circuit is from an Argentine publication from 1973. It provides a signal to an amplifier from...
This circuit indicated for didactic applications in technical schools was found in a 1982...