Voltage setting circuit, semiconductor integrated circuit and voltage setting method

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12176852
APP PUB NO 20240056029A1
SERIAL NO

18264567

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Abstract

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A voltage setting circuit includes a frequency comparator that compares the oscillation frequencies of a first distributed voltage-controlled oscillator and a second distributed voltage-controlled oscillator and a frequency determination circuit that determines the levels of the oscillation frequencies of the first distributed voltage-controlled oscillator and the second distributed voltage-controlled oscillator. The bias to be supplied to the first distributed voltage-controlled oscillator and the bias to be supplied to the second distributed voltage-controlled oscillator are determined in accordance with a result of the determination. The bias at a time when the levels of the oscillation frequencies are reversed is determined to be the optimum bias, and the optimum bias is supplied to the core circuit.

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Patent Owner(s)

Patent OwnerAddress
NIPPON TELEGRAPH AND TELEPHONE CORPORATION5-1 OTEMACHI 1-CHOME CHIYODA-KU TOKYO 1008116

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jo, Teruo Tokyo, JP 30 5
Nagatani, Munehiko Tokyo, JP 43 188
Nosaka, Hideyuki Tokyo, JP 71 253

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