This 600-ohm output impedance circuit was found in a Radio Electronics from October 1963. The circuit uses PNP transistors of the time and is powered with a voltage of 12 V.
This circuit turns on a lamp in the dusk and turn off in the down. Only incandescent lamps can be...
The Exclusive-NOR function can be achieved simply by adding one more NAND gate as an inverter to...
Found in a Popular Electronics from the 80's, this circuit makes use of a time integrated to...