This is the power step of the previous circuit. Output transistors must be mounted on good heat sinks. The circuit is from documentation from the 60s.
The components used in this 80's circuit are uncommon today. The circuit is intended for...
This experimental flip-flip changes its state by the command of two push-buttons. The state is...
This circuit was obtained from a 1986 Spanish magazine Resistor. The magazine no longer exists, but...