SEMICONDUCTOR INTEGRATED CIRCUITS

A novel wideband low phase noise 2 : 1 frequency divider

Lei Xuemei, Wang Zhigong, Wang Keping and Li Wei

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Abstract: This paper describes a novel low-power wideband low-phase noise divide-by-two frequency divider. Hereby, a new D-latch topology is introduced. By means of conventional dynamic source-coupled logic techniques, the divider demonstrates a wideband with low phase noise by adding a switch transistor between the clock port and the couple node of the input NMOS pair in the D latch. The chip was fabricated in the 90-nm CMOS process of IBM. The measurement results show that the frequency divider has an input frequency range from 0.05 to 10 GHz and the phase noise is –159.8 dBc/Hz at 1 MHz offset from the carrier. Working at 10 GHz, the frequency divider dissipates a total power of 9.12 mW from a 1.2 V supply while occupying only 0.008 mm2 of the core die area.

Key words: frequency divider

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    Received: 18 August 2015 Revised: 27 January 2010 Online: Published: 01 June 2010

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      Lei Xuemei, Wang Zhigong, Wang Keping, Li Wei. A novel wideband low phase noise 2 : 1 frequency divider[J]. Journal of Semiconductors, 2010, 31(6): 065005. doi: 10.1088/1674-4926/31/6/065005 Lei X M, Wang Z G, Wang K P, Li W. A novel wideband low phase noise 2 : 1 frequency divider[J]. J. Semicond., 2010, 31(6): 065005. doi: 10.1088/1674-4926/31/6/065005.Export: BibTex EndNote
      Citation:
      Lei Xuemei, Wang Zhigong, Wang Keping, Li Wei. A novel wideband low phase noise 2 : 1 frequency divider[J]. Journal of Semiconductors, 2010, 31(6): 065005. doi: 10.1088/1674-4926/31/6/065005

      Lei X M, Wang Z G, Wang K P, Li W. A novel wideband low phase noise 2 : 1 frequency divider[J]. J. Semicond., 2010, 31(6): 065005. doi: 10.1088/1674-4926/31/6/065005.
      Export: BibTex EndNote

      A novel wideband low phase noise 2 : 1 frequency divider

      doi: 10.1088/1674-4926/31/6/065005
      • Received Date: 2015-08-18
      • Accepted Date: 2009-11-28
      • Revised Date: 2010-01-27
      • Published Date: 2010-06-03

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