1 kW synchronized switch (CB9266E)

Found in a 1967 RCA documentation, this circuit can be made with equivalent SCRs according to the load.

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Set of LEDs (CB16720E)
Here is an interesting game found in a 1992 technical documentation. In this game, a set of 9 red...
Shield with triac (CB7052E)
Originally suggested by Popular Electronics to control Christmas lights, this circuit can...
Simple 1 Transistor Shield (CB15480E)
The circuit, shown in the figure, activates a relay when the logic level applied to its input, from...