This circuit is from a June 1992 Radio Electronics. The circuit is for 4.5 MHz signals from old analog televisions or other similar applications.
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...