System of providing multiple voltage references to a radio-frequency device using a single analog line

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United States of America Patent

PATENT NO 9013227
APP PUB NO 20140203844A1
SERIAL NO

14161610

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A system includes a control board, a controlled board, and a connector connecting the control board to the controlled board. The control board includes a processing unit that configures the reference voltage signals, a non-volatile memory that stores information about the reference voltage signals, and a DAC that outputs the reference voltage signals in accordance with instructions from the processing unit. The controlled board includes: first and second voltage reference devices that receive first and second reference voltage signals, respectively, and a radio-frequency device that receives a first frequency signal and a second frequency signal and outputs a third frequency signal based on one of the first and second reference voltage signals. The connector includes an analog line for providing reference voltage signals to the first and second voltage reference devices and a digital line for providing control signals to activate one of the first and second voltage reference devices.

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Patent Owner(s)

  • ZTE (USA) INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hu, Hong Xian, CN 53 271
Nguyen, Thanh Hung Cary, US 7 18
Semenyshev, Aleksandr Apex, US 10 68
Shen, Ying Chapel Hill, US 96 842
Walsh, Shawn Cary, US 25 125

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