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Waveguide BPF Composed of Dielectric Frequency Selective Structure with High Suppression of Spurious Mode
Nusarrtara H.a, Ginting A.A.a, Effendi M.R.a, Munir A.a
a School of Electrical Engineering and Informatics, Institut Teknologi Bandung, Telematics Laboratory, Indonesia
[vc_row][vc_column][vc_row_inner][vc_column_inner][vc_separator css=”.vc_custom_1624529070653{padding-top: 30px !important;padding-bottom: 30px !important;}”][/vc_column_inner][/vc_row_inner][vc_row_inner layout=”boxed”][vc_column_inner width=”3/4″ css=”.vc_custom_1624695412187{border-right-width: 1px !important;border-right-color: #dddddd !important;border-right-style: solid !important;border-radius: 1px !important;}”][vc_empty_space][megatron_heading title=”Abstract” size=”size-sm” text_align=”text-left”][vc_column_text]© 2018 The Institute of Electronics, Information and Communication Engineers (IEICE).This paper deals with the characterization of waveguide bandpass filter (BPF) composed of dielectric frequency selective structure. The waveguide BPF which is designed to work at the TE10δ wave mode is intended to have high suppression of spurious mode by loading a dielectric frequency selective structure into the waveguide. Here, a WR284 type of rectangular waveguide is implemented for the design of BPF, meanwhile a dielectric frequency selective structure is made of 2 layers of 1.6 mm thick FR4 epoxy dielectric substrate which flanks a structure of frequency selective surface (FSS). The characterization result shows that the simulated center frequency of waveguide BPF is 2.775 GHz with the -3 dB fractional bandwidth of 4.5% (125 MHz) from the frequency of 2.7 GHz-2.825 GHz. The proposed waveguide BPF could suppress the spurious mode more than 20 dB in which this result was validated through an experimental set-up showing a good comparison between the simulation and measurement.[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Author keywords” size=”size-sm” text_align=”text-left”][vc_column_text]Bandpass filter (BPF),Center frequency,Dielectric frequencies,Dielectric substrates,Experimental set up,Fractional bandwidths,Frequency selective surface (FSS),Simulations and measurements[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Indexed keywords” size=”size-sm” text_align=”text-left”][vc_column_text][/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Funding details” size=”size-sm” text_align=”text-left”][vc_column_text]This work is partially supported by the postgraduate team research program (Penelitian Tim Pasca Sarjana) from the Ministry of Research, Technology and Higher Education, the Republic of Indonesia FY2017-FY2018.[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”DOI” size=”size-sm” text_align=”text-left”][vc_column_text]https://doi.org/10.23919/PIERS.2018.8597847[/vc_column_text][/vc_column_inner][vc_column_inner width=”1/4″][vc_column_text]Widget Plumx[/vc_column_text][/vc_column_inner][/vc_row_inner][/vc_column][/vc_row][vc_row][vc_column][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][/vc_column][/vc_row]