Variable frequency circuit in attenuator and/or negative voltage generator

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10230351
APP PUB NO 20160359471A1
SERIAL NO

15238473

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Apparatus and methods for distributing spurious tones through the frequency domain are disclosed. One such apparatus can include a dithering circuit configured to generate a sequence of numbers that exhibit statistical randomness and a variable frequency circuit configured to adjust a frequency of an output based on the sequence of numbers so as to spread energy of spurious tones in a frequency response of the output to lower a noise floor. In one example, spurious tones can be reduced in a negative voltage generator of a radio frequency (RF) attenuator.

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Patent Owner(s)

  • SKYWORKS SOLUTIONS, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Agarwal, Bipul Irvine, US 60 455
Domino, William J Yorba Linda, US 113 1605
Obkircher, Thomas Santa Ana, US 55 470

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