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.
The time constant of this circuit is 100 x R1 x C1, which leads to the possibility of obtaining times...
This power supply makes use of a capacitance multiplier. C2 can be 100 uF which with the action of...
This AC amplifier using the 741 operational amplifier uses a dual supply from 5 to 12 V. The input...