This circuit was found in a Texas Instruments documentation from the 1980s. The circuit monitors engine temperature by warning of engine warm-up and warning when the fan is on.
This transistorized circuit is powered by a voltage of 6 to 12 V providing high voltage for a neon...
The figure shows how to vary the output voltage of a 7812 regulator between 12 V and 2 V less than...
This distortion circuit was found in an American publication from 1970. It can be assembled with...