Optical potentiometer (CB22159E)

This voltage-controlled potentiometer using an LDR was found in an English documentation. LDR is common and LED of any type.

18 V to 30 V x 200 mA DC converter with 200 mA (CB8474E)
This circuit was found in a 90s Signetics documentation. The circuit is switched based on...
Debounced Switch (CB830E)
This switch is bounce free and is recommended for the control of CMOS circuits. The switch must be...
Operational with Hysteresis LM309 (CB15103E)
In the figure we have the way to add hysteresis to an operational amplifier. The relationship...