ADC with logarithmic response and methods for controlling RF...

Details ADC with logarithmic response and methods for controlling RF... ADC with logarithmic response and methods for controlling RF...

2007-02-27

2008-10-07

JeanPierre, Peguy (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Nonlinear

C341S145000

Reexamination Certificate

active

07432839

ABSTRACT:
Embodiments of an analog-to-digital converter (ADC) and methods for controlling RF power levels are generally described herein. Other embodiments may be described and claimed. In some embodiments, the ADC includes an internal-reference digital-to-analog converter (DAC) having a resistive structure with linearly-spaced contact nodes. The linearly-spaced contact nodes may provide corresponding reference voltages that vary exponentially with respect to the linearly-spaced contact nodes allowing the ADC to achieve a logarithmic response.

REFERENCES:
patent: 3997892 (1976-12-01), Susset
patent: 4160244 (1979-07-01), Solomon et al.
patent: 5334979 (1994-08-01), Hatakeyama
patent: 5389927 (1995-02-01), Turney et al.
patent: 5519396 (1996-05-01), Distinti
patent: 6965407 (2005-11-01), Boemler et al.

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