Device for measuring a signal having a very high noise level

Details Device for measuring a signal having a very high noise level Device for measuring a signal having a very high noise level

1974-08-16

1976-04-13

Rolinec, R. V.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

324 78J, G01R 1900

Patent

active

039506991

ABSTRACT:
Device for measuring a signal having a very high noise level by an integrator circuit having an operational amplifier, characterized in that the device comprises a means for memorizing a voltage representative of the charge of the capacitor of the integrator circuit, a means for switching the voltage in the memory onto the integration capacitor to bring the voltage of that capacitor to a value close to the asymptotic integration value and a time base for controlling that switching and the reading of the final integration value.

REFERENCES:
patent: 3805157 (1974-04-01), Acks
patent: 3863154 (1975-01-01), Marwell

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