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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600 kHz Oscillator (CB505)
For the 600 kHz range coil is formed by 35 turns of 28 AWG wire on a ferrite core with a diameter...
5 A switched regulator (CB8805E)
Found in a 1970’s documentation, this circuit uses components of the time, uncommon today. |...
Fixed Passage Sensor Alarm (CB18115E)
This 2003 circuit uses two types of sensors: by reed-switch and by infrared. If the magnetic...