This trigger uses two switching transistors that can still be found with some ease. The circuit is from an old documentation and its purpose is to speed up the switching of logic circuits.
This circuit appears in several versions in publications of the time and can be modified by...
This transistorized “grid dip” oscillator was found at Radio Electronics in June 1953. The...
This 12 V symmetrical power supply provides a current of the order of 100 mA according to the...