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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Simple analog averaging circuit (CB21038E)
This circuit was found in an American documentation from the 90's. What it does is provide at the...
High Pass RLC Filter (CB6739E)
Found in old documentation, this circuit is tuned to pass signals below 245 Hz with a level of...
20 LED Effects Circuit Using 4017 (CB25438E)
This series LED circuit was found in the February 1992 issue of Radio Electronics magazine. The...