This circuit was found in a 1964 Electronic Design. It generates opposite phase signals from an input signal. Modern equivalent transistors can be used in the same configuration.
This circuit is from 1986 documentation, being adaptable in radios of that time. The circuit uses the...
This circuit was found in an American documentation from 1970. We can increase the number of...
Found in a 303 Circuits from the 90s, this circuit converts signals from the 10 kHz to 150 kHz...