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Abstract:
设计了一款采用可调谐有源电感( TAI)的可调增益的小面积超宽带低噪声放大器( LNA),输入级采用共基极结构,输出级采用射随器结构,分别实现了宽带输入和输出匹配;放大级采用带有反馈电阻的共射共基结构以取得宽的带宽,并采用TAI作负载,通过调节TAI的多个外部偏压使LNA的增益可调。结果表明,该LNA在2 GHz~9 GHz的频带内,通过组合调节有源电感调节端口的偏压可实现S21在16.5 dB~21.1 dB的连续可调;S11小于-14.7 dB;S22小于-19.3 dB;NF小于4.9 dB;芯片面积仅为0.049 mm2。
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电子器件
ISSN: 1005-9490
Year: 2017
Issue: 1
Volume: 40
Page: 55-60
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 2
Chinese Cited Count:
30 Days PV: 2
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