A YIG/GGG/GaAs-based magnetically tunable wideband microwave band-pass filter using cascaded band-stop filters

被引：16

作者：

Department of Electrical Engineering and Computer Science, Institute of Surface and Interface Science, University of California, Irvine, CA 92697, United States ^{[1
]}

不详 ^{[2
]}

不详 ^{[3
]}

机构：

[1] Department of Electrical Engineering and Computer Science, Institute of Surface and Interface Science, University of California, Irvine

[2] Institute of Electrooptics Engineering, National Taiwan University, Taipei

[3] Wang, NMR, Inc., Livermore

来源：

IEEE Trans Magn | 2008年 / 11 PART 2卷 / 3123-3126期

关键词：

Bandpass filters; Bandstop filters; Ferromagnetic resonance (FMR); Tunable filters; Yttrium iron garnet (YIG) filters;

D O I：

10.1109/TMAG.2008.2002780

中图分类号：

学科分类号：

摘要：

A yttrium iron garnet/gadolinium gallium garnet-gallium arsenide (YIG/GGG-GaAs)-based magnetically-tunable wideband microwave band-pass filter with large tuning ranges for the center frequency (5.90-17.80 GHz) and the bandwidth (1.27-2.08 GHz) in the pass-band using a pair of cascaded band-stop filters is reported. The design and numerical simulation of the band-pass filter that incorporates multisegment microstrip meander-lines and 2-D nonuniform bias magnetic fields were first carried out using Ansoft High Frequency Structure Simulator (HFSS) software suite. The measured transmission characteristics of the band-pass filter at center frequency of 8.28 GHz, using 2-D nonuniform bias magnetic fields centered at 2,750 Oe and 4,150 Oe facilitated by Nd-Fe-B permanent magnets, shows a -3-dB bandwidth of 1.73 GHz, an out-of-band rejection of -33.5 dB, and an insertion loss of -4.2 dB. A good agreement between the simulation and experimental results for the band-pass filter in the center frequency and the bandwidths of the pass-band and the two guarding stop-bands has been accomplished. © 2008 IEEE.

引用

页码：3123 / 3126

页数：3

共 12 条

[1] A YIG/GGG/GaAs-Based Magnetically Tunable Wideband Microwave Band-Pass Filter Using Cascaded Band-Stop Filters
Qiu, Gang
Tsai, Chen S.
Wang, Bert S. T.
Zhu, Yun
IEEE TRANSACTIONS ON MAGNETICS, 2008, 44 (11) : 3123 - 3126
[2] A Tunable X-Band Band-Pass Filter Module Using YIG/GGG Layer on RT/Duroid Substrate
Zhu, Yun
Qiu, Gang
Chi, Kai H.
Wang, Bert B. T.
Tsai, Chen S.
IEEE TRANSACTIONS ON MAGNETICS, 2009, 45 (10) : 4195 - 4198
[3] Tunable microwave band-stop filters using ferromagnetic resonance
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Shi, Yu
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Wang, Hualei
THIN FILM PHYSICS AND APPLICATIONS, SIXTH INTERNATIONAL CONFERENCE, 2008, 6984
[4] Magnetically tunable terahertz switch and band-pass filter
Institute of Modern Optics, Nankai University, Tianjin 300071, China
不详
Chin. Phys. Lett., 2008, 11 (3898-3900): : 3898 - 3900
[5] Si-based Ka-band SIW band-pass filter using wafer level manufacturing process
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IEICE ELECTRONICS EXPRESS, 2021, 18 (01):
[6] Tunable band-pass filter with wide stopband and high selectivity using centre-loaded coupled structure
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V. Mottamchetty
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[8] Improvised design of THz spectrophotometer using LT-GaAs photoconductive antennas, pyroelectric detector and band-pass filters
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[9] High-tuning-range CMOS band-pass IF filter based on a low-Q cascaded biquad optimization technique
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[10] Wide-range tunable subwavelength band-stop filter for the far-infrared wavelengths based on single-layer graphene sheet
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