For experiments with a disk rotating at various speeds, the April 1998 Electronics Now magazine suggests this PWM motor control. The current with the LM317 is 1.5A maximum.
This high current regulator with low voltage drop was found in the datasheet of the used...
Found in a 1974 Ferranti transistor manual, this circuit drives a sensitive 12V relay in...
This simple source is indicated for voltage regulators of 5 A x 12 V as the one found in CB17141E. The...