Found in an Electronic Design, this small power source uses a battery as a voltage reference, consuming little of its current. The source is shunt type.
This circuit with germanium transistors is from 1960 and was found in Mullard's transistor...
We found this circuit in the January 1994 Electronics Now magazine. It uses general-purpose...
This circuit is used to test PNP or NPN transistors giving the status indication through LEDs. The...