논문 해외 국제전문학술지(SCI급) Wideband common-gate CMOS LNA employing dual negative feedback with simultaneous noise, gain, and bandwidth optimization
- 학술지 구분 국제전문학술지(SCI급)
- 게재년월 2010
- 저자명 J Kim, S Hoyos, J Silva-Martinez
- 학술지명 IEEE Transactions on microwave theory and techniques
- 발행처명 IEEE XPLORE
- 발행국가 해외
- 논문언어 외국어
홈페이지논문 초록 (Abstract)
This paper presents a wideband common-gate (CG) LNA architecture that overcomes the fundamental tradeoff between power and noise match without compromising its stability. The proposed architecture can achieve the minimum noise figure (NF) over the previously reported feedback amplifiers in a CG configuration. The proposed architecture achieves broadband impedance matching, low noise, large gain, enhanced linearity, and wide bandwidth concurrently by employing an efficient and reliable dual negative-feedback. An amplifier prototype was realized in 0.18-μm CMOS, operates from 1.05 to 3.05 GHz, and dissipates 12.6 mW from 1.8-V supply while occupying a 0.073-mm 2 active area. The LNA provides 16.9-dB maximum voltage gain, 2.57-dB minimum NF, better than - 10-dB input matching, and - 0.7-dBm minimum IIP 3 across the entire bandwidth.