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http://dx.doi.org/10.5515/KJKIEES.2008.19.10.1104

Design and Fabrication of a Ka-Band Planar Filter to Suppress Spurious of a Mixer  

Lee, Man-Hee (Department of Radio Science and Engineering, Chungnam National University)
Yang, Seong-Sik (Department of Radio Science and Engineering, Chungnam National University)
Jeong, Hae-Chang (Department of Radio Science and Engineering, Chungnam National University)
Yeom, Kyung-Whan (Department of Radio Science and Engineering, Chungnam National University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.19, no.10, 2008 , pp. 1104-1114 More about this Journal
Abstract
In the output of a mixer, spurious appears with the desired signal, and a filter is necessary to suppress the spurious. In this paper, the planar filter for Ka-band frequency synthesizer was designed and fabricated. In this procedure, the frequency response becomes asymmetric because of discontinuities at the high frequency. Using this, we designed short-end PCLF by using a individual resonator tuning method. The fabricated 5th-order Ka-band pass filter is compared with the result of EM simulation through measurement. The performance agrees with the simulation. Finally spurious suppression was examined through the measurement of output spectrum of the mixer with the filter.
Keywords
Short-End PCLF(Parallel Coupled Microstripline Filter); Individual Resonator Tuning Method; EM(Electronic and Magnetic);
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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