This circuit was suggested by Texas Instruments in a 1980s documentation. The transistor must be equipped with a heat sink. The transformer has 10 A secondary current.
This circuit is from an 80's documentation. The circuit makes use of a component of the era, the...
This Texas Instruments integrated circuit, available from Mouser Electronics, has a 91 dB common...
This lock-up alarm circuit was found in a 1990s Radio Electronics magazine. The sensors are...