This circuit is from a 1980s Signetics documentation but is valid for modern operating. Next to the diagram the formulas for the calculation of the components.
Found in an Electronic Design from the 80's, this circuit monitors a three-phase line, activating a...
This high impedance step suggested by an English publication can operate up to 1 MHz with 1 V rms...
This powerful high-fidelity amplifier was described in an article in Radio Electronics magazine in...