This shunt voltage regulator was found in an Electronic Design from the 90's. The power transistor must be in accordance with the load current and must be equipped with a heat sink.
Found in September 1984 Radio Electronics issue this circuit has adjustable pulse width and...
This low power circuit for the FM band was found in a spy book from the 90s. The tunnel diode is...
This circuit was found in a 1987 edition of the United States' Hands On Electronics magazine. The...