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Equivalent circuit analysis of square-loop-resonator BPF with cross-shaped I/O coupling for X-band frequency application
Edwar, Munir A.b
a School of Electrical Engineering, Telkom University, Bandung, Indonesia
b Radio Telecommunication and Microwave Laboratory, School of Electrical Engineering and Informatics, ITB, Bandung, 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]© 2017 IEEE.The equivalent circuit of square-loop-resonator (SLR) bandpass filter (BPF) with cross-shaped I/O coupling is investigated to be analyzed and compared with the 3D electromagnetics (EM) simulator result. The proposed SLR BPF is designed for X-band frequency application with the center frequency of 9GHz and the-3dB fractional bandwidth larger than 3%. The analysis method is carried out by separating the proposed SLR BPF into few parts and then translating each part into RLC circuit to build all filter structures. From the analysis result, the proposed equivalent circuit of SLR BPF has the-3dB working bandwidth of 330MHz with the center frequency of 9GHz where this is slightly narrower than the result of 3D EM simulator. In addition, although the equivalent circuit of SLR BPF has a large number of lumped elements, however it is beneficial in obtaining high accuracy result of the filter characteristic which is useful for X-band frequency application.[/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]Band-pass filter (BPF),Electromagnetics,Filter characteristics,Filter structures,Fractional bandwidths,RLC circuit,Square loop,X-band frequencies[/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]Bandpass filter (BPF),cross-shaped I/O coupling,equivalent circuit,RLC circuit,square-loop-resonator (SLR),X-band frequency[/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 2017 from the Ministry of Research, Technology and Higher Education, the Republic of Indonesia.[/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/10.1109/ICCEREC.2017.8226670[/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]