7476 shift register (CB22443E)

This TTL shift register was found in old documentation. Power depends on the TTL sub-family as well as the maximum operating frequency.

Sinusoidal to Square Converter (CB12820E)
This circuit, from a publication in the 1970s, uses transistors that no longer exist, but can be...
Lamp Switching by One Pair of Wires (CB4157E)
Indicated as a joke or challenge this circuit shows how it is possible to control two lamps using...
Triac LDR photo control (CB8327E)
Found in a 1960s RCA documentation, this circuit applies to most common triacs. The trigger device is a...