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Conference Paper
A Narrow Bandwidth Microstrip BandPass Filter with Symmetrical Frequency Characteristics
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- Issue Date
- 2005-12
- Citation
- Asia-Pacific Microwave Conference (APMC) 2005, pp.1-4
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- This paper proposes a band-pass filter (BPF) with two transmission zeros based on a combination of parallel coupling and end coupling of half-wave transmission lines. The fabricated BPF exhibited a narrow bandwidth and two transmission zeros near the pass-band due to the end-coupled and shielding waveguide. At the center operation frequency of 60 GHz, the 20 dB bandwidth of the BPF is 1.0 GHz, which is almost 2% of the center operation frequency, and the insertion loss is 3.12 dB. Two transmission zeros reach approximately 40 dB at 58.5 and 62.5 GHz. The simulation results almost agree with the measured results. © 2005 IEEE.
- KSP Keywords
- 5 GHz, 60 GHz, Band pass Filter(BPF), Frequency characteristics, Half-wave, Narrow bandwidth, Pass-band, Transmission line, Wave transmission, insertion loss, microstrip bandpass filter