一种基于方向滤波器的新型低损耗微波复用器设计

Proceedings RAWCON 2002. 2002 IEEE Radio and Wireless Conference (Cat. No.02EX573) Pub Date : 2002-11-07 DOI:10.1109/RAWCON.2002.1030166

V. Neubauer, M. Mayer, G. Magerl

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引用次数: 13

摘要

提出了一种降低传输损耗和插入损耗的定向滤波器设计方法。给出了定向滤波器的理论背景，讨论了定向滤波器的频率特性和传输损耗，并给出了满足低损耗应用要求的参数。一个50 /spl ω /多路复用器被建立作为一个带通滤波器组分离在输入和输出的数字音频广播(DAB)功率放大器的基频，二次和三次谐波频率。最后，将测量结果与仿真结果进行了比较，并指出了对现有多路复用器的改进。

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A novel low loss microwave multiplexer design based on directional filters

A novel design method for directional filters is presented which reduces transmission loss and insertion loss. The theoretical background of directional filters is given, the frequency characteristics and transmission loss are discussed and parameters responsible for the requirements of a low loss application are worked out. A 50 /spl Omega/ multiplexer was built to act as a bandpass filter bank to separate the fundamental, second and third harmonic frequencies at the input and at the output of a digital audio broadcast (DAB) power amplifier. Finally, measurement results are compared with simulations and the improvements with respect to multiplexers previously presented are pointed out.

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Proceedings RAWCON 2002. 2002 IEEE Radio and Wireless Conference (Cat. No.02EX573)

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