PLL circuit, calibration method, and wireless communication apparatus

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United States of America Patent

PATENT NO 9438301
APP PUB NO 20160036485A1
SERIAL NO

14409239

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Abstract

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In the stop state of a VCO and an injection locked frequency divider, an ILFD controller sets the control parameter of an injection locked frequency divider on the basis of the frequencies of a reference signal and the frequency-divided signal measured according to the control parameter of the injection locked frequency divider. While the injection locked frequency divider is operated and in the stop state of the VCO, the ILFD controller sets the control parameter of the injection locked frequency divider on the basis of the frequencies of the reference signal and the frequency-divided signal measured according to the control parameter of the injection locked frequency divider.

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Patent Owner(s)

  • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miyanaga, Kenji Kanagawa, JP 44 404
Nagaso, Yoichi Osaka, JP 4 48
Shima, Takahiro Kanagawa, JP 21 200

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