RESISTANCE TRACKING CIRCUIT AND OSCILLATOR CIRCUIT

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United States of America Patent

APP PUB NO 20240171158A1
SERIAL NO

18308360

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A resistance tracking circuit coupled to a comparator circuit is provided. The comparator circuit generates a first current and a second current according to a first control signal and a second control signal. A variable resistor generates a first reference voltage according to the first current. A capacitor generates the output voltage according to the second current. The resistance tracking circuit includes a first conversion circuit which generates the second control signal according to a third control signal, and a copy circuit including a current circuit, a second conversion circuit, and a comparator. The third current circuit generates a third current according to the first control signal. The third current is equal to the first current. The second conversion circuit provides a second reference voltage according to the third current. The comparator compares the first reference voltage and the second reference voltage to generate the third control signal.

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Patent Owner(s)

Patent OwnerAddress
NUVOTON TECHNOLOGY CORPORATIONHSINCHU SCIENCE PARK

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
WU, Yen-Hung Hsinchu City, TW 13 12

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