This simple circuit for motors that depends on the MOSFET used was found in the January 1998 Electronics Now magazine. The motor voltage does not need to be the same as the oscillator.
This stabilized power supply was found in the 1974 Ferranti transistor manual. The power...
This circuit provides 2.5 W of power with 6 V supply and 4-ohm speaker. We found it in the Radio...
We found this circuit in a Radio Shack documentation from 1977. The circuit serves for a link of...