This two-digit (up to 99) circuit divides a signal by values programmed by the BCD switches. The circuit comes from a Radio Electronics from February 1989.
Placed near a common receiver, this oscillator is intended to generate a beating signal to receive...
CMOS integrated circuits are sensitive to supply voltages in terms of signal propagation time....
Found in a radio amateur magazine of the 1980s, this circuit uses components that can still be...