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A Novel RF Active Bandpass Filter with Low Noise Performance  

이재룡 (서강대학교 전자공학과)
윤상원 (서강대학교 전자공학과)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.13, no.8, 2002 , pp. 748-753 More about this Journal
Abstract
In this paper, a new topology of a active capacitor is proposed in order to apply the resonator in the design of RF active bandpass filters. Through the noise analysis of the active capacitor, the optimized low noise design process is also presented, Due to the low noise performance of the proposed active bandpass filter, it can be used in the RF front-end of the receivers. In designed 2-stage active bandpass filter at 1.9 GHz shows insertion loss of 0 dB, noise figure of 2.6 dB, and OIP3 of 8 dBm.
Keywords
Negative Resistance; Active Bandpass Filter;
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