Motion Monitor (CB8275E)

Suggested by General Electric in a 1970 document, this circuit uses a LASCR, or SCR fired by light. This component is uncommon today.

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Neon lamp driver with the 555 IC (CB8133E)
Found in an American documentation from the 90's, this circuit aims to light a neon lamp with...
Active Tone Control (CB18728E)
This transistor circuit consists of a well-known bass and treble control configuration. The...
Audio Generator (CB26025E)
This circuit was found in the September 1997 issue of Electronics Now magazine. The circuit uses...