This regulator circuit was found in the June 1984 issue of Radio Electronics magazine. The LM11 is a power operator. Voltage selection is done by a switch,
This circuit was found in a 70s documentation. The transistor is from that time. L1 has 4 turns of...
This circuit is suitable for isolating audio signals, as it has very low distortion. The used...
This capacitive discharge ignition system with 1 transistor and 1 SCR was found in the April 1972...