Design of UWB Cascode SiGe BiCMOS LNA with current reuse - 文章详情页

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A　Cascode　SiGe　BiCMOS　low-noise　amplifier　(LNA)　is　presented　for　ultra-wideband　(UWB)　application.　The　emitter　degenerative　inductive　technique　is　employed　to　achieve　input　impedance　matching　and　optimize　the　noise　performance.　The　output　impedance　matching　is　achieved　by　resistance-inductor　shunt　feedback.　The　current　reuse　topology　is　adopted　to　achieve　high　gain　with　low　power　consumption.　Based　on　TSMC　0.35μm　SiGe　BiCMOS　process,　the　topology　and　chip　layout　of　the　proposed　LNA　have　been　designed,　its　area　is　0.62x0.64　mm2.　The　simulation　results　of　the　LNA　demonstrate　that　in　the　range　of　UWB,　the　noise　figure　is　2.6∼4.1　dB,　the　gain　is　19.3∼20.8　dB,　gain　flatness　is　±0.75　dB,　linearity　is　-4∼　-7dBm,　the　input　and　output　match　well,　the　LNA　is　unconditionally　stable　in　the　whole　band.　©　2012　IEEE.

关键词：

Analog circuits BiCMOS technology Broadband amplifiers Cascode amplifiers Impedance matching (electric) Integrated circuit design Low noise amplifiers Millimeter waves Noise figure Si-Ge alloys Topology Ultra-wideband (UWB)

作者机构：

[ 1 ] [Ding, Chunbao]School of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Zhang, Wanrong]School of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Xie, Hongyun]School of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
[ 4 ] [Shen, Pei]School of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
[ 5 ] [Chen, Liang]School of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
[ 6 ] [Guo, Zhengjie]School of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
[ 7 ] [Xing, Guanghui]School of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
[ 8 ] [Zhang, Yujie]School of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
[ 9 ] [Lu, Zhiyi]School of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China

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