This circuit turns your air conditioner or other appliance on and off in adjustable cycles to save energy. The circuit is from a 1983 Electronics Experimenter Handbook Special projects.
This high input impedance circuit makes use of two operational ones that are still common. The...
This circuit is suggested by Motorola and consists of a voltage reference based on an MC1403. The...
The output voltage is adjusted by the trimpot. The power transistor mist be mounted on a heatsink. The 3.9...