The figure shows how to generate a sinusoidal signal using 4 flip-flops. The circuit is from a Radio Electronics magazine from November 1976. The clock frequency is divided by 8.
We found this circuit in a 1998 documentation. It is based entirely on relays that must have...
This traditional complementary symmetry circuit provides 20 W of rms power at a load of 8 ohms...
Assembled with SMD components this circuit can be very small. The range is a few tens of meters. We...