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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Vidicon amplifier (CB9411E)
Found in American documentation from the 1970s, this circuit is intended for amplifying analog TV...
Photo Cell Amplifier (CB13097E)
Photoelectric cells can be used as sensitive light sensors. However, the low voltage they generate...
Code practice oscillator (CB8976E)
This circuit was found in a 90s American documentation. The circuit uses still common components...