Nonlinear Matched Reflection Mode Bandstop Filters for Frequency Selective Limiting Applications
Nonlinear Matched Reflection Mode Bandstop Filters for Frequency Selective Limiting Applications
复制标题
适用于选频限制应用的非线性匹配反射模式带阻滤波器
DOI：
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发表时间：
2007
期刊：
影响因子：
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通讯作者：
Ian Hunter
中科院分区：
文献类型：
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作者：
Padisan Phudpong;Ian Hunter
提出了一种基于非线性匹配反射模带阻谐振器的频率选择性限幅电路的设计方法。这种类型的频率选择性限制器实现快速切换、高水平的功率限制和灵活的信道带宽。一阶器件的初始测量结果表明，0 dBm的限制阈值，32 dB的限制电平，2 dB的插入损耗，和200 MHz的限制带宽。还提出了第三度装置。仿真结果表明，在高功率下具有良好的高选择性带阻性能，在低信号功率下具有近全通响应。这是首次报道这种多极匹配频率选择限制器。
This paper presents the design of frequency-selective limiting circuits based on nonlinear matched reflection-mode bandstop resonators. This type of frequency selective limiters achieve fast switching, high-level of power limiting, and flexible channel bandwidth. Initial measured results of a first-order device indicate 0 dBm limiting threshold, 32 dB limiting level, 2 dB insertion loss, and 200 MHz limiting bandwidth. A third degree device is also presented. Simulated results show an excellent highly selective bandstop performance at high powers with a near all-pass response at low signal powers. This is the first time such a multi-pole matched frequency selective limiter has been reported.