Low distortion current switch

Details Low distortion current switch Low distortion current switch

2008-04-24

2009-11-17

Nguyen, Khai M (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

C341S136000

Reexamination Certificate

active

07619552

ABSTRACT:
A system and method is provided for code independent switching in a digital-to-analog converter (DAC). A synchronous digital circuit is triggered by a synchronizing clocking signal and develops a digital data signal. A circuit arrangement provides the synchronizing clock a constant load at every clocking cycle, thereby assuring a data independent load. By providing a data independent load to the synchronizing clock at every clocking cycle, third harmonic distortion is advantageously reduced.

REFERENCES:
patent: 6344816 (2002-02-01), Dedic
patent: 6664906 (2003-12-01), Volk
patent: 6768438 (2004-07-01), Schofield et al.
patent: 6960941 (2005-11-01), Cantin et al.
patent: 6992608 (2006-01-01), Zhang et al.
patent: 7474243 (2009-01-01), Kuttner

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