Universal speed control (CB20783E)

This control, which may appear in other versions on this site, was found in documentation from the 1970s. SUS is an uncommon component today.

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Dimmer (CB16627E)
This traditional triac dimmer configuration was obtained in a 1987 documentation. The circuit can...
Band Pass Filter (CB19687E)
This bandpass filter has a simple feedback system. The component values can be calculated using the...
Function Generator 709 (CB20140E)
The 709 integrated circuit is not common today. The circuit is from American technical...