由可调谐滤波器构成的微带线移相器

Electronics and Communications in Japan (Part II: Electronics) Pub Date : 2007-01-10 DOI:10.1002/ecjb.20253

Daisuke Morikawa, Hiroyuki Deguchi, Mikio Tsuji, Hiroshi Shigesawa

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引用次数: 5

摘要

讨论了一种基于带通滤波器的移相器结构，该结构可以连续改变相位。在这种配置中，由于共振引起的相位变化是通过使具有宽通带的滤波器的中心频率可变来使用的。通过分析和实验，详细研究了将变容二极管负载在带短路插脚的微带线滤波器上以降低插入损耗的结构。验证了应用于移相器的可能性。©2007 Wiley期刊公司电子工程学报，2009,31 (2):357 - 357;在线发表于Wiley InterScience (www.interscience)。wiley.com)。DOI 10.1002 / ecjb.20253

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A microstrip-line phase shifter constructed by a tunable filter

A phase shifter configuration based on a bandpass filter that can change the phase continuously is discussed. In this configuration, the phase change due to resonance is used by making variable the center frequency of a filter with a broad passband. The configuration consisting of varactor diodes loaded on a microstrip line filter with short-circuited stubs to decrease the insertion loss is studied in detail by analysis and experiment. The possibility of application to a phase shifter is verified. © 2007 Wiley Periodicals, Inc. Electron Comm Jpn Pt 2, 90(2): 25– 32, 2007; Published online in Wiley InterScience (www.interscience. wiley.com). DOI 10.1002/ecjb.20253

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Electronics and Communications in Japan (Part II: Electronics)

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