The integrated circuit used in this application is uncommon today. The circuit converts capacitances into voltages from 1 to 10 V for a capacitance range from 10 uF to 100 uF.
This configuration is from the 70s, having been found in an American documentation. The...
This circuit was found in the August 1992 issue of Radio Electronics magazine. The circuit can be...
This simple test tells you whether a PNP or NPN transistor is OK. The signal is given by turning on...