This low-power circuit was found in the March 1990 issue of Radio Electronics magazine. It consists of a tone control solution for portable turntables.
This circuit was found in a 90s Radio Electronics. It produces an ultrasonic signal in a special...
This simple sweep generator circuit has been found in older documentation, but can still be easily...
This switched DC / DC converter operates at a frequency of 6 kHz and its output is only a few tens...