Circuit arrangement for zero point balancing of an integrated op

Amplifiers – With periodic switching input-output

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Details

330 51, 307491, H03F 100

Patent

active

046511105

ABSTRACT:
In a zero point balancing system employing a balance capacitor switched by means of semiconductor switches, balancing errors due to parasitic capacitance of these switches, as well as due to picked up interferences at the output of the operational amplifier, are avoided with the assistance of an RC element connected in a defined fashion.

REFERENCES:
patent: 4429282 (1984-01-01), Saari

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