This circuit is from a 1965 General Electric hobby manual. The circuit can be assembled with sensitive reed relays.
Found in the July 1993 Electronics Now magazine, this circuit provides an output voltage whose...
Other series amplifiers such as the MC3301, MC3401 and LM2900 can be used on this circuit. We...
This circuit was found in Motorola documentation from the 1980s. The components are of the time,...