SEMICONDUCTOR INTEGRATED CIRCUITS

Analysis and implementation of an improved recycling folded cascode amplifier

Li Yilei, Han Kefeng, Yan Na, Tan Xi and Min Hao

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Abstract: A generally improved recycling folded cascode (IRFC) is analyzed and implemented. Analysis and comparisons among the IRFC, the original recycling folded cascode (RFC) and the conventional folded cascode (FC) are made, and it is shown that with the flexible structure of IRFC, significant enhancement in transconductance, slew rate and noise can be achieved. Prototype amplifiers were fabricated in 0.13 μm technology. Measurement shows that IRFC has 3× enhancement in gain-bandwidth and slew rate over conventional FC, and the enhancement is 1.5× when compared with the RFC.

Key words: CMOS

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    Received: 20 August 2015 Revised: 14 September 2011 Online: Published: 01 February 2012

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      Li Yilei, Han Kefeng, Yan Na, Tan Xi, Min Hao. Analysis and implementation of an improved recycling folded cascode amplifier[J]. Journal of Semiconductors, 2012, 33(2): 025002. doi: 10.1088/1674-4926/33/2/025002 Li Y L, Han K F, Yan N, Tan X, Min H. Analysis and implementation of an improved recycling folded cascode amplifier[J]. J. Semicond., 2012, 33(2): 025002. doi: 10.1088/1674-4926/33/2/025002.Export: BibTex EndNote
      Citation:
      Li Yilei, Han Kefeng, Yan Na, Tan Xi, Min Hao. Analysis and implementation of an improved recycling folded cascode amplifier[J]. Journal of Semiconductors, 2012, 33(2): 025002. doi: 10.1088/1674-4926/33/2/025002

      Li Y L, Han K F, Yan N, Tan X, Min H. Analysis and implementation of an improved recycling folded cascode amplifier[J]. J. Semicond., 2012, 33(2): 025002. doi: 10.1088/1674-4926/33/2/025002.
      Export: BibTex EndNote

      Analysis and implementation of an improved recycling folded cascode amplifier

      doi: 10.1088/1674-4926/33/2/025002
      Funds:

      Important National Science and Technology Specific Projects of China, National High Technology Research and Development Program of China

      • Received Date: 2015-08-20
      • Accepted Date: 2011-08-12
      • Revised Date: 2011-09-14
      • Published Date: 2012-01-20

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