Design A B3G Receiver Front End

The wideband LNA designed for the B3G receiver employs the input impedance of a cathode-input amplifier to meet requirements for input impedance matching. Output matching circuits used as an output buffer were realized by adopting a source-follower configuration, which has a large input resistance a...

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Bibliographic Details
Published inMicrowaves & RF Vol. 49; no. 10; p. 84
Main Authors Tian, Echun, Zhou, Wuzhong, Qin, Yuannian, Zhao, Feng, Yiyu-Zhan
Format Trade Publication Article
LanguageEnglish
Published Nashville Endeavor Business Media 01.10.2010
Subjects
Bandwidths
Broadband
Circuits
Computer simulation
Design
Design engineering
Noise
Receivers & amplifiers
Simulation
Software
Wireless networks
United States > US
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Summary:The wideband LNA designed for the B3G receiver employs the input impedance of a cathode-input amplifier to meet requirements for input impedance matching. Output matching circuits used as an output buffer were realized by adopting a source-follower configuration, which has a large input resistance and small output resistance as well as high load capacity. By analyzing the input and output matching circuits by means of CAE simulations, the B3G LNA was designed (Fig. 2).
ISSN:0745-2993
2162-1411