Suggested by General Electric in a 1980s publication, this circuit is intended for coupling alternating signals, with the transistor being polarized in its linear region.
Found in an American publication of 1968, this circuit makes use of a pilot light of the time. It...
This circuit was found in documentation from the 1980s requiring a variable power supply from 0 to...
This car alarm was found in an American '80s documentation. The circuit automatically activates...