SCR mechanical drive (CB6572E)

This contact or reed switch actuation was found in a 1964 Electronic Design. The circuit can be used with sensors and the triac is load dependent.

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Long Term Delay (CB5153E)
We find this circuit in a 1980s documentation. The circuit uses uncommon components today which can...
Four Octaves Electronic Organ (CB1437E)
We found this circuit in a 1977 Radio Shack documentation. The circuit should be powered, for...
Digital Gain Control for Operational (CB15010E)
With the circuit shown in the figure it is possible to digitally control the gain of an...