The RCA integrated circuit used in this control is uncommon today. The circuit is from an Electronics Now from July 1995. The sensor determines the value of the adjustment potentiometer.
This circuit was obtained in a Popular Electronics of the 90s. The circuit can be assembled with...
This circuit was found in the July 1990 Radio Electronics magazine. It is based on the 3-digit...
June 2017 - Kemet T521's new high voltage capacitors with capacitances up to 330 uF and voltages...