This flip-flop circuit with general purpose transistors was found in American documentation from the 1980s. The maximum operating speed depends on the transistors. Diodes are commonly used.
Found in a 90s Linear Technology documentation, this circuit supplies current to a load through a...
Used by the police this receiver tuned to the low VHF band. The circuit is from a documentation from the...
A negative pulse applied to the input of the circuit shown in figure bellow turns on the relay....