Compact high frequency divider

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9154077
APP PUB NO 20130271188A1
SERIAL NO

13445075

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A frequency divider circuit having two stages of transistors has improved performance at low supply voltages. The circuit may include cross-coupled PMOS and NMOS transistors, in which the input signal to be frequency divided is supplied to the body of the PMOS and/or NMOS transistors. The input signal may be coupled to the PMOS and/or NMOS transistors through capacitive or inductive coupling. The input signal to the PMOS and/or NMOS transistors may be generated by a voltage controlled oscillator circuit. With the frequency divider circuit having inputs signals coupled to the body of the PMOS and/or NMOS transistors supply voltages as low as 0.5 Volts may be possible.

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Patent Owner(s)

  • QUALCOMM INCORPORATED

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chan, Ngar Loong A Santa Clara, US 4 127

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