An 83dB Low-Power High-Linearity Variable Gain Amplifier

作者： Quoc-Hoang Duong , Chang-Wan Kim , Sang-Gug Lee

DOI:

关键词: Fully differential amplifier 、 Linearity 、 Process variation 、 Electronic engineering 、 Variable-gain amplifier 、 Electrical engineering 、 Engineering 、 CMOS 、 Video Graphics Array 、 Open-loop gain 、 Chip

摘要: A newly proposed variable gain amplifier (VGA) topology is presented. The three-stage VGA offers a wide control range, which independent on process variation, and characterized by low-power, high linearity, range of signal, small chip size characteristics. fabricated in 0.18µm CMOS technology measurements show variation 83dB (-36~47dB) with error less than ±2dB. P1dB IIP3 vary from -55 -20 to 8 20.5dBm, respectively. 3-dB bandwidth 37 420MHz. current dissipation 3.4mA 1.8V supply voltage. occupies 0.4mm 2 .

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An 83dB Low-Power High-Linearity Variable Gain Amplifier

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An 83dB Low-Power High-Linearity Variable Gain Amplifier

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