Mini amplifier (CB21697E)

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

10 W Amplifier (CB6158E)
This high quality circuit with complementary symmetry was found in an Electronics World of 1966....
Headlamp timer 2 (CB6050E)
Found in an Electronic Design this circuit controls a headlamp by triggering a time determined by the...
15 V switching regulator (CB8693E)
This small switched regulator was found in an 60’s Optical Electronics. The circuit uses an...