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A wideband RF amplifier for satellite tuners
Hu, Xueqing; Gong, Zheng; Shi, Yin; Dai, Fa Foster; Hu, X.(
Source PublicationJournal of Semiconductors
AbstractThis paper presents the design and measured performance of a wideband amplifier for a direct conversion satellite tuner. It is composed of a wideband low noise amplifier(LNA) and a two-stage RF variable gain amplifier(VGA) with linear gain in dB and temperature compensation schemes. To meet the system linearity requirement, an improved distortion compensation technique and a bypass mode are applied on the LNA to deal with the large input signal. Wideband matching is achieved by resistive feedback and an off-chip LC-ladder matching network. A large gain control range(over80 dB) is achieved by the VGA with process voltage and temperature compensation and dB linearization. In total, the amplifier consumes up to26 mA current from a3.3 V power supply. It is fabricated in a0.35-μm SiGe BiCMOS technology and occupies a silicon area of0.25 mm2.?2011 Chinese Institute of Electronics.
KeywordBicmos Technology Differential Amplifiers Linearization Low Noise Amplifiers Semiconducting Silicon Silicon Alloys Temperature Distribution Tuners Voltage Regulators
Subject Area微电子学
Indexed ByEI
Date Available2012-06-14
Document Type期刊论文
Corresponding AuthorHu, X.(
Recommended Citation
GB/T 7714
Hu, Xueqing,Gong, Zheng,Shi, Yin,et al. A wideband RF amplifier for satellite tuners[J]. Journal of Semiconductors,2011,32(11):115002.
APA Hu, Xueqing,Gong, Zheng,Shi, Yin,Dai, Fa Foster,&Hu, X..(2011).A wideband RF amplifier for satellite tuners.Journal of Semiconductors,32(11),115002.
MLA Hu, Xueqing,et al."A wideband RF amplifier for satellite tuners".Journal of Semiconductors 32.11(2011):115002.
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一种应用于卫星电视调谐器的宽带射频放大器(918KB) 限制开放LicenseApplication Full Text
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