An Analog Controlled Variable Gain LNA with Tunable Frequency Bands

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概要

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• An analog controlled Variable Gain LNA (VGLNA) with tunable operating frequency bands is reported. The analog control circuit for the continuous gain variation is proposed as a low voltage version. The fabricated LNA based on 0.18µm CMOS shows a gain range of 15 ∼ -12dB (27dB gain control), a noise figure (NF) of 2dB, and an IIP3 of -10dBm while 5mA is drawn from a 1.2V supply over the frequency range of 470∼880MHz.

• 2011-07-01

著者

• Lee Sang-gug

  Kaist

• SHIM Yuna

  KAIST

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