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An accurate design technique for microstrip edge‐end‐coupled filters
Author(s) -
Bin Zou,
Uysal Sener
Publication year - 1998
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/(sici)1098-2760(199807)18:4<278::aid-mop10>3.0.co;2-0
Subject(s) - band pass filter , microstrip , bandwidth (computing) , microwave , electronic engineering , capacitive sensing , enhanced data rates for gsm evolution , filter (signal processing) , m derived filter , engineering , waveguide filter , materials science , prototype filter , acoustics , electrical engineering , low pass filter , physics , telecommunications
Abstract The conventional end‐coupled filter design approach, which requires a very small capacitive gap length, is modified by using edge‐coupled sections to replace narrow gaps in order to reduce the sensitivity of the filter. A 5% bandwidth edge‐end‐coupled bandpass filter is designed at 4.9 GHz. The filter prototype is simulated using an electromagnetic simulator and realized on alumina ceramic substrate. Good agreement is observed between the computed and measured results. © 1998 John Wiley & Sons, Inc. Microwave Opt Technol Lett 18: 278–280, 1998.