Mini amplifier (CB21697E)

The indicated fraction watt amplifier has good gain, requiring only 100 mV input for full power excitation.

Inverter and Limiter with 741 (CB13522E)
This circuit is from an American publication from 1974. It, at the same time, limits the intensity of...
Logic Control with Relays (CB4182E)
This two-relay circuit gives drive logic that is clear when analyzing the circuit. In the original...
12 V Source from Battery Charger (CB1173E)
12 V battery chargers provide higher unregulated voltage. With the regulator shown, obtained from...