Motor photoelectric control (CB8022E)

This circuit was found in a 1964 Electronic Design. The components are from the era and the load is 60 W.

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100 MHz Emitter Follower Oscillator (CB5119E)
We found this circuit in a 1980s American publication from Motorola. Modern equivalent transistors...
Low Power Amplifier (CB12860E)
This amplifier, with germanium transistors, provides a power slightly less than 1 W at a load that...
Twin T Active Filter (CB6728E)
This circuit was obtained from an Electronics World of 1968. The transistor may be general purpose and...