Found in American documentation, this circuit can be used as a shield. The technology is CMOS and the input is BDC. Next to the diagram formulas for calculating the components.
The circuit is from a Radio Electronics magazine from October 1987. The Triac must be equipped with a...
The integrated circuit used is not common today and the voltage gain is unitary. The circuit is...
This source with two symmetrical output voltages was found in 90s Radio Electronics. The 22 V...