A 2.3-7GHz CMOS High Gain LNA Using CS-CS Cascode with Coupling C

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概要

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• A fully integrated CMOS wideband Low Noise Amplifier (LNA) operating over 2.3-7GHz is designed and fabricated using a 0.18µm CMOS process. The proposed structure is a common source-common source (CS-CS) cascode amplifier with a coupling capacitor. It realizes both low voltage drop at load resistor (Rload) and high gain over 2.3-7GHz with simultaneous noise and input matching and low power consumption. This paper presents the proposed design technique of a wideband LNA, and verifies its performance by simulation and measurement. This wideband LNA achieves an average gain (S21) of 16.5 (dB), an input return loss (S11) less than -8dB, a noise figure (NF) of 3.4-6.7dB, and a third order input interception point (IIP3) of -7.5-3dBm at 2.3-7GHz with power consumption of 10.8mW under 1.8V VDD.

• （社）電子情報通信学会の論文
• 2009-08-01

著者

• Lee Sungho

  Seoul National University

• Nam Sangwook

  Seoul National University

• LEE Jaejun

  Seoul National University

• PARK Hangue

  Telecommunication R&D Center, Samsung Electronics Co., Ltd.

• Park Hangue

  Samsung Electronics Maetandong Kor

• Nam Sangwook

  Seoul National Univ.

• Lee Jaejun

  Seoul National Univ.

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