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A 0.18 μm CMOS inductorless complementary-noise-canceling-LNA for TV tuner applications

Yuan Haiquan, Lin Fujiang, Fu Zhongqian and Huang Lu

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Abstract: This paper presents an inductorless complementary-noise-canceling LNA (CNCLNA) for TV tuners. The CNCLNA exploits single-to-differential topology, which consists of a common gate stage and a common source stage. The complementary topology can save power and improve the noise figure. Linearity is also enhanced by employing a multiple gated transistors technique. The chip is implemented in SMIC 0.18 μm CMOS technology. Measurement shows that the proposed CNCLNA achieves 13.5–16 dB voltage gain from 50 to 860 MHz, the noise figure is below 4.5 dB and has a minimum value of 2.9 dB, and the best P1dB is –7.5 dBm at 860 MHz. The core consumes 6 mA current with a supply voltage of 1.8 V, while the core area is only 0.2× 0.2 mm2.

Key words: noise cancellation

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    Received: 18 August 2015 Revised: 06 July 2010 Online: Published: 01 December 2010

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      Yuan Haiquan, Lin Fujiang, Fu Zhongqian, Huang Lu. A 0.18 μm CMOS inductorless complementary-noise-canceling-LNA for TV tuner applications[J]. Journal of Semiconductors, 2010, 31(12): 125006. doi: 10.1088/1674-4926/31/12/125006 Yuan H Q, Lin F J, Fu Z Q, Huang L. A 0.18 μm CMOS inductorless complementary-noise-canceling-LNA for TV tuner applications[J]. J. Semicond., 2010, 31(12): 125006. doi:  10.1088/1674-4926/31/12/125006.Export: BibTex EndNote
      Citation:
      Yuan Haiquan, Lin Fujiang, Fu Zhongqian, Huang Lu. A 0.18 μm CMOS inductorless complementary-noise-canceling-LNA for TV tuner applications[J]. Journal of Semiconductors, 2010, 31(12): 125006. doi: 10.1088/1674-4926/31/12/125006

      Yuan H Q, Lin F J, Fu Z Q, Huang L. A 0.18 μm CMOS inductorless complementary-noise-canceling-LNA for TV tuner applications[J]. J. Semicond., 2010, 31(12): 125006. doi:  10.1088/1674-4926/31/12/125006.
      Export: BibTex EndNote

      A 0.18 μm CMOS inductorless complementary-noise-canceling-LNA for TV tuner applications

      doi: 10.1088/1674-4926/31/12/125006
      • Received Date: 2015-08-18
      • Accepted Date: 2010-06-03
      • Revised Date: 2010-07-06
      • Published Date: 2010-11-25

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