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2018-06-06
High q -Factor Narrow-Band Bandpass Filter Using Cylindrical Dielectric Resonators for X-Band Applications
By
Progress In Electromagnetics Research Letters, Vol. 77, 65-71, 2018
Abstract
This paper presents a narrow-band bandpass filter (NBBPF) using three cylindrical dielectric resonators (CDRs) placed on three rectangular metallic cavities (RMCs). Two U-shaped planar resonators located between RMCs are used to realize narrow-band response effectively. The 3 dB fractional bandwidth (FBW) of the proposed filter is 0.275%. The filter is designed for X-band (9.85 GHz), with 20 MHz bandwidth for radar, satellite, and medical accelerators applications. High Q-factor (Q-factor = 400) and low fabrication cost are other advantages of the proposed design. The proposed NBBPF was fabricated, and its performance was measured to verify the design. Good agreement between the measured and simulated data is obtained.
Citation
Reza Karimzadeh-Jazi, Mohammad Amin Honarvar, and Farzad Khajeh-Khalili, "High q -Factor Narrow-Band Bandpass Filter Using Cylindrical Dielectric Resonators for X-Band Applications," Progress In Electromagnetics Research Letters, Vol. 77, 65-71, 2018.
doi:10.2528/PIERL18041007
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