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 circuit can be used in bridge of sensitive measures. We found it in a documentation from the...
This interface was found in a Modern Electronics magazine from 1990. Although the circuit is...
Found in an old American documentation, this step has as input and output transformers coupling. Two...