This power control circuit was found in General Electric documentation from 1969. The table provides the components for different types of loads. The integrated circuit is uncommon today.
The signal from this circuit found in a 1968 Electronics World is sinusoidal and depends on the...
This circuit uses a sensitive vibrator that can be made with a reed-switch to activate a relay from...
This amplifier can be powered with voltages between 2 and 5 V with power up to 100 mW. The minimum...