Buffer circuit with differential structure for measurement of ca

Details Buffer circuit with differential structure for measurement of ca Buffer circuit with differential structure for measurement of ca

1985-11-07

1986-09-02

Mullins, James B.

Amplifiers

With periodic switching input-output

330 51, 330 69, 328151, H03F 345

Patent

active

046098771

ABSTRACT:
In a buffer with an operational amplifier having two inputs and two outputs and two feedback capacitances are inserted two other capacitances which in the measurement stage are switched in parallel to the feedback ones with opposite sign in such a manner as to cancel out the effects on the output voltage signal.

REFERENCES:
patent: 4190805 (1980-02-01), Bingham

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