提高微波集成电路的设计精度是一重要课题.本文基于以散射参数表示的多级级联网络传输增益表达式,提出微波多级 FET 宽带放大器的实频直接优化方法.其匹配网络可以计及元件的损耗,且元件的损耗可以是任意非均匀的和频率依变的.设计结果...提高微波集成电路的设计精度是一重要课题.本文基于以散射参数表示的多级级联网络传输增益表达式,提出微波多级 FET 宽带放大器的实频直接优化方法.其匹配网络可以计及元件的损耗,且元件的损耗可以是任意非均匀的和频率依变的.设计结果能够更加接近于实际性能,有利于微波集成电路投片合格率的提高.展开更多
Non equiripple approximation of filter characteristics can be realized either odd order or even order in the symmetric load case.This paper presents a method of synthesizing non equiripple low pass filter based on ...Non equiripple approximation of filter characteristics can be realized either odd order or even order in the symmetric load case.This paper presents a method of synthesizing non equiripple low pass filter based on iteration analysis,in which the rational fraction formed of Chebyshev polynomial is used as the filter characteristic function.This method is convenient for computer programming,because the attenuation zeros and poles of the filter can be determined easily and the synthesis procedure is simple,too.The given examples show that the method is of a practical value in filter design.展开更多
文摘Non equiripple approximation of filter characteristics can be realized either odd order or even order in the symmetric load case.This paper presents a method of synthesizing non equiripple low pass filter based on iteration analysis,in which the rational fraction formed of Chebyshev polynomial is used as the filter characteristic function.This method is convenient for computer programming,because the attenuation zeros and poles of the filter can be determined easily and the synthesis procedure is simple,too.The given examples show that the method is of a practical value in filter design.
