SEMICONDUCTOR INTEGRATED CIRCUITS

A low power wide-band CMOS PLL frequency synthesizer for portable hybrid GNSS receiver

Xiao Shimao, Yu Yunfeng, Ma Chengyan, Ye Tianchun and Yin Ming

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Abstract: The design consideration and implementation of a CMOS frequency synthesizer for the portable hybrid global navigation satellite system are presented. The large tuning range is achieved by tuning curve compensation using an improved VCO resonant tank, which reduces the power consumption and obtains better phase noise performance. The circuit is validated by simulations and fabricated in a standard 0.18 μm 1P6M CMOS process. Close-loop phase noise measured is lower than –95 dBc at 200 kHz offset while the measured tuning range is 21.5% from 1.47 to 1.83 GHz. The proposed synthesizer including source coupled logic prescaler consumes 6.2 mA current from 1.8 V supply. The whole silicon required is only 0.53 mm2.

Key words: CMOS

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    Received: 18 August 2015 Revised: 26 October 2009 Online: Published: 01 March 2010

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      Xiao Shimao, Yu Yunfeng, Ma Chengyan, Ye Tianchun, Yin Ming. A low power wide-band CMOS PLL frequency synthesizer for portable hybrid GNSS receiver[J]. Journal of Semiconductors, 2010, 31(3): 035004. doi: 10.1088/1674-4926/31/3/035004 Xiao S M, Yu Y F, Ma C Y, Ye T C, Yin M. A low power wide-band CMOS PLL frequency synthesizer for portable hybrid GNSS receiver[J]. J. Semicond., 2010, 31(3): 035004. doi: 10.1088/1674-4926/31/3/035004.Export: BibTex EndNote
      Citation:
      Xiao Shimao, Yu Yunfeng, Ma Chengyan, Ye Tianchun, Yin Ming. A low power wide-band CMOS PLL frequency synthesizer for portable hybrid GNSS receiver[J]. Journal of Semiconductors, 2010, 31(3): 035004. doi: 10.1088/1674-4926/31/3/035004

      Xiao S M, Yu Y F, Ma C Y, Ye T C, Yin M. A low power wide-band CMOS PLL frequency synthesizer for portable hybrid GNSS receiver[J]. J. Semicond., 2010, 31(3): 035004. doi: 10.1088/1674-4926/31/3/035004.
      Export: BibTex EndNote

      A low power wide-band CMOS PLL frequency synthesizer for portable hybrid GNSS receiver

      doi: 10.1088/1674-4926/31/3/035004
      • Received Date: 2015-08-18
      • Accepted Date: 2009-09-25
      • Revised Date: 2009-10-26
      • Published Date: 2010-02-08

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