Transceiver circuit and control method of frequency synthesizer

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United States of America Patent

PATENT NO 12095472
APP PUB NO 20230231564A1
SERIAL NO

18092940

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention provides a transceiver circuit including a transmitter circuit, a frequency synthesizer and control circuit. The transmitter circuit is configured to generate a transmission signal, wherein the transmission signal is transmitted through an antenna. The frequency synthesizer is configured to generate a clock signal for the transmitter circuit to generate the transmission signal. The control circuit is configured to generate a first control signal to control the frequency synthesizer to determine a loop bandwidth of the frequency synthesizer; wherein when the transceiver circuit operates in a standby mode, the control circuit generates the first control signal to make the frequency synthesizer have a first loop bandwidth; and after a period of time after the transceiver circuit is switched from the standby mode to a transmission mode, the control circuit generates the first control signal to make the frequency synthesizer have a second loop bandwidth.

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Patent Owner(s)

Patent OwnerAddress
REALTEK SEMICONDUCTOR CORP2 INNOVATION RD II SCIENCE PARK HSINCHU

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Huang, Ching-Her HsinChu, TW 2 0
Li, Yu-Jung HsinChu, TW 3 6
Lin, Wei-Cheng HsinChu, TW 298 1175
Shih, Yi-Chang HsinChu, TW 12 41

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