System and method for reducing transfer function ripple in a...

Details System and method for reducing transfer function ripple in a... System and method for reducing transfer function ripple in a...

2006-09-12

2006-09-12

Nguyen, Matthew V. (Department: 2838)

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

Reexamination Certificate

active

07106604

ABSTRACT:
An RMS-to-DC converter system is disclosed. The system includes a variable gain amplifier having transfer function ripple that receives an input signal and provides an amplifier output signal, a detector that receives the amplifier output signal and provides a detector output signal, an error amplifier that receives the detector output signal and provides an error amplifier output signal having an AC component, and a feedback circuit coupled to the error amplifier output signal and to the variable gain amplifier for providing a feedback signal to the variable gain amplifier that includes an AC component for reducing transfer function ripple of the RMS-to-DC converter system.

REFERENCES:
patent: 3918003 (1975-11-01), Seidel
patent: 5126686 (1992-06-01), Tam
patent: 5319804 (1994-06-01), Matsumoto et al.
patent: 5724003 (1998-03-01), Jensen et al.
patent: 6348781 (2002-02-01), Midya et al.
patent: 6750719 (2004-06-01), Toyota et al.

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