This benchtop power supply with various output voltages from 1.5 to 12 V was found in Radio Electronics magazine from August 1960. The circuit uses power transistors of the time.
This circuit is intended to trigger a TTL door or flip-flip from a signal coming from an SCR....
This circuit found in a 1988 documentation, uses a piezoelectric or crystal capsule as a...
This circuit, which can be used as a shield, was found in Radio Electronics from the 90s. The...