Charge domain filter device

Details Charge domain filter device Charge domain filter device

2007-05-29

2009-12-22

Zweizig, Jeffrey S (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

Unwanted signal suppression

Reexamination Certificate

active

07636012

ABSTRACT:
A charge domain filter device includes a SINC filter with a frequency characteristic expressed by a SINC function, and a bandpass filter connected to an output end of the SINC filter and having a frequency characteristic with a particular center frequency.

REFERENCES:
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patent: 5841876 (1998-11-01), Gifford et al.
patent: 6168707 (2001-01-01), Somes et al.
patent: 6590943 (2003-07-01), Ali
patent: 6693970 (2004-02-01), Vankka
patent: 2003-020554 (2003-01-01), None
Richard Carley et al., “High-Speed Low-Power Integrating CMOS Sample-and-Hold Amplifier Architecture”, Dept. of electrical and Computer Engineering. Carnegie Mellon University. IEEE 1995 Custom Integrated Circuits Conference.
Jiren Yuan, “A Charge Sampling Mixer with Embedded Filter Function for Wireless Applications”, Competence Center for Circuit Design, Department of Applied Electronics, Lund University, 2000.

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