This cassette player motor speed control was found in the January 1991 issue of Radio Electronics magazine. The circuit is for voltages from 9 to 12 V.
This circuit generates very high voltages using an old TV flyback. The transformer has a secondary of...
This fraction watt amplifier uses transistors that are still quite common in our market. The power...
This circuit was obtained in documentation on medical applications from 1966. The circuit is used in...