Circuit for determining a measure value of a rectified a-c volta

Details Circuit for determining a measure value of a rectified a-c volta Circuit for determining a measure value of a rectified a-c volta

1974-11-29

1976-06-08

Rolinec, R. V.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rectifier

321 8R, 324123R, G01R 1922, H02M 700

Patent

active

039626318

ABSTRACT:
A circuit for determining a measured value of a rectified a-c voltage of the type having at least one compensation diode for compensating the diode threshold values in the rectifier and which is connected in series therewith, in which the diode is connected in series with the same polarity as the rectifier diodes, a compensation resistor shunted by a voltage divider is connected in series with the compensation diode and an operational amplifier is connected in parallel to the diode and compensation resistor such that the desired compensation voltage always appears across the compensation resistor.

REFERENCES:
patent: 2198226 (1940-04-01), Peterson
patent: 3311826 (1967-03-01), Galman

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