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 produces a single pulse whose duration depends on the capacitor. The circuit is from an...
This circuit shows how a simple one-transistor stage can be used to Power high current loads from...
Using the well-known CK722 and also the CK721, this signal follower or tracer was found in Radio...