基于铁氧体的反射型频率选择限制器

Scott M. Gillette, Michael Geiler, J. Adam, A. Geiler
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引用次数: 10

摘要

铁磁材料在射频/微波频率下具有独特的非线性特性,可实现模拟信号处理效果,如低损耗(< 3 dB)、低功率阈值(< -20 dBm)、平坦限制响应、高选择性(< 5 MHz)和快速响应时间(< 5 us)的频率选择限制器(FSL)。FSL技术可用于增加雷达、电子战和通信系统的能力,保护它们免受高功率微波攻击,保持对感兴趣信号的灵敏度,并扩展前端接收器的动态范围。这里介绍了反射型FSL器件的最新发展。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Ferrite-Based Reflective-Type Frequency Selective Limiters
Ferrimagnetic materials possess unique nonlinear properties at RF/microwave frequencies that enable analog signal processing effects such as frequency selective limiters (FSL) with low-loss (< 3 dB), low power thresholds (< -20 dBm), flat limiting response, high selectivity (< 5 MHz), and rapid response times (< 5 us). FSL technologies can be used to add capability to radar, electronic warfare, and communications systems by protecting them from high power microwave attack, preserving sensitivity to signals-of-interest, and extending front end receiver dynamic range. Recent developments in reflectivetype FSL devices are presented here.
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