Current/charge-voltage converter

Details Current/charge-voltage converter Current/charge-voltage converter

2006-06-06

2006-06-06

Han, Jessica (Department: 2838)

Electric power conversion systems

Current conversion

Constant current to constant voltage or vice versa

C323S288000, C323S316000

Reexamination Certificate

active

07057909

ABSTRACT:
A current/charge-voltage convert circuit having an operational amplifier and a capacitor connected between the input terminal and the output terminal of the operational amplifier, this current/charge-voltage convert circuit characterized in that it comprises a first pair of diodes connected in mutually opposing directions to this input terminal, a second pair of diodes connected in the opposite direction of this first pair of diodes to the respective other terminal of this first pair of diodes, a pair of current sources connected in mutually opposing directions to the respective other terminal of this first pair of diodes, a pair of switches connected to the respective other terminal of this first pair of diodes, and resistors connected between the respective other terminal of this second pair of diodes.

REFERENCES:
patent: 4504776 (1985-03-01), Haville
patent: 5734293 (1998-03-01), Gross
patent: 6366099 (2002-04-01), Reddi
patent: 05-126864 (1993-05-01), None
patent: 2002-221540 (2002-08-01), None

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