This circuit was found in the November 1992 issue of Radio Electronics magazine. The circuit has an amplification stage for the relay. The relay is rated at 12 V.
The circuit shown is from the Motorola Linear Databook of 1990. This circuit converts signals in...
In the circuit in the figure, we have the production of rectangular signals with frequencies of up...
This circuit uses a photoransistor to control the frequency for this oscillator. Power supply...