A Q-enhanced active-RLC bandpass filter

A Q-enhanced active-RLC bandpass filter
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DOI：
10.1109/iscas.1993.393998
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发表时间：
1993-05
期刊：
1993 IEEE International Symposium on Circuits and Systems
影响因子：
--
通讯作者：
R. Duncan;K. Martin;A. Sedra
R. Duncan;K. Martin;A. Sedra
中科院分区：
其他
文献类型：
--
作者：
R. Duncan;K. Martin;A. Sedra

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无源元件R、L和C与放大器组合以实现高Q值带通滤波器。正反馈用于增强有损集成电感器的有限 Q 值，并且给出了考虑放大器的有限增益和有限带宽的设计方程。结果表明，10 GHz 晶体管在 1 GHz 时可以达到 20 的品质因数。初步噪声分析表明结果有希望。>
The passive elements R, L, and C are combined with an amplifier to realize a high-Q bandpass filter. Positive feedback is used to enhance the finite Q of the lossy integrated inductors, and design equations are given that take into account the finite gain and finite bandwidth of the amplifier. It is shown that a quality factor of 20 at 1 GHz is possible with 10-GHz transistors. Preliminary noise analysis indicates promising results.>