SiGe技术中带电流复用低噪声放大器的差分77 ghz接收机

2010 Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems (SiRF) Pub Date : 2010-03-01 DOI:10.1109/SMIC.2010.5422956

D. Kissinger, H. Forstner, H. Jager, L. Maurer, R. Weigel

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引用次数: 7

摘要

提出了一种适用于77 GHz汽车雷达系统的差分电流复用叠置双共发射极级低噪声放大器及其接收机前端。这两种电路都采用改进的SiGe:C HBT技术制造，ft/fmax = 200/250 GHz，可以在差分或单端模式下工作。接收机的增益为24.5 dB，单边带噪声系数为15.8 dB。LNA在单端模式下的增益和噪声系数分别为12 dB和9.5 dB，表明差分噪声系数约为6.5 dB。

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A differential 77-GHz receiver with current re-use low-noise amplifier in SiGe technology

This paper presents a differential current re-use stacked double common-emitter stage low-noise amplifier and corresponding receiver frontend for 77 GHz automotive radar systems. Both circuits have been manufactured in an improved SiGe:C HBT technology with ft/fmax = 200/250 GHz and can operate in differential or single-ended mode. The receiver shows a gain of 24.5 dB and single sideband noise figure of 15.8 dB. The gain and noise figure of the LNA in single-ended mode are 12 dB and 9.5 dB respectively, suggesting a differential noise figure of approximately 6.5 dB.

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2010 Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems (SiRF)

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