Balanced UWB power divider with one narrow notch-band

Feng Wei; Xi Bei Zhao; Xin Yi Wang; Bin Li; Xiao Wei Shi

doi:10.1049/el.2017.3366

Balanced UWB power divider with one narrow notch-band

Feng Wei^*, Xi Bei Zhao, Xin Yi Wang, Bin Li, Xiao Wei Shi

^*Corresponding author for this work

School of Integrated Circuits and Electronics

Xidian University

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

A compact and simple differential ultra wideband (UWB) equal power divider (PD) with one narrow notch-band is presented. The proposed PD is based on slotline resonators and balanced stepped-impedance microstrip-to-slotline transition structures. A wide differential-mode (DM) impedance bandwidth covering from 1.8 to 11.5 GHz can be achieved. Besides, independent common-mode (CM) responses with a larger bandwidth and higher suppression can be obtained. It is noted that the DM passbands are independent from the CM responses, which significantly simplify the design procedure. In addition, a narrow and sharp DM notched band from 5.8 to 5.9 GHz is generated by adding one pair of quarter-wavelength short-circuited stubs next to the microstrip line symmetrically. In order to illustrate the effectiveness of the design, a prototype is fabricated and measured. A good agreement between the simulated and measured results is observed. To the best of authors’ knowledge, the proposed balanced UWB PD is the first ever reported.

Original language	English
Pages (from-to)	1524-1526
Number of pages	3
Journal	Electronics Letters
Volume	53
Issue number	23
DOIs	https://doi.org/10.1049/el.2017.3366
Publication status	Published - 9 Nov 2017

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10.1049/el.2017.3366

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title = "Balanced UWB power divider with one narrow notch-band",

abstract = "A compact and simple differential ultra wideband (UWB) equal power divider (PD) with one narrow notch-band is presented. The proposed PD is based on slotline resonators and balanced stepped-impedance microstrip-to-slotline transition structures. A wide differential-mode (DM) impedance bandwidth covering from 1.8 to 11.5 GHz can be achieved. Besides, independent common-mode (CM) responses with a larger bandwidth and higher suppression can be obtained. It is noted that the DM passbands are independent from the CM responses, which significantly simplify the design procedure. In addition, a narrow and sharp DM notched band from 5.8 to 5.9 GHz is generated by adding one pair of quarter-wavelength short-circuited stubs next to the microstrip line symmetrically. In order to illustrate the effectiveness of the design, a prototype is fabricated and measured. A good agreement between the simulated and measured results is observed. To the best of authors{\textquoteright} knowledge, the proposed balanced UWB PD is the first ever reported.",

author = "Feng Wei and Zhao, {Xi Bei} and Wang, {Xin Yi} and Bin Li and Shi, {Xiao Wei}",

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doi = "10.1049/el.2017.3366",

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AU - Wei, Feng

AU - Zhao, Xi Bei

AU - Wang, Xin Yi

AU - Li, Bin

AU - Shi, Xiao Wei

PY - 2017/11/9

Y1 - 2017/11/9

N2 - A compact and simple differential ultra wideband (UWB) equal power divider (PD) with one narrow notch-band is presented. The proposed PD is based on slotline resonators and balanced stepped-impedance microstrip-to-slotline transition structures. A wide differential-mode (DM) impedance bandwidth covering from 1.8 to 11.5 GHz can be achieved. Besides, independent common-mode (CM) responses with a larger bandwidth and higher suppression can be obtained. It is noted that the DM passbands are independent from the CM responses, which significantly simplify the design procedure. In addition, a narrow and sharp DM notched band from 5.8 to 5.9 GHz is generated by adding one pair of quarter-wavelength short-circuited stubs next to the microstrip line symmetrically. In order to illustrate the effectiveness of the design, a prototype is fabricated and measured. A good agreement between the simulated and measured results is observed. To the best of authors’ knowledge, the proposed balanced UWB PD is the first ever reported.

AB - A compact and simple differential ultra wideband (UWB) equal power divider (PD) with one narrow notch-band is presented. The proposed PD is based on slotline resonators and balanced stepped-impedance microstrip-to-slotline transition structures. A wide differential-mode (DM) impedance bandwidth covering from 1.8 to 11.5 GHz can be achieved. Besides, independent common-mode (CM) responses with a larger bandwidth and higher suppression can be obtained. It is noted that the DM passbands are independent from the CM responses, which significantly simplify the design procedure. In addition, a narrow and sharp DM notched band from 5.8 to 5.9 GHz is generated by adding one pair of quarter-wavelength short-circuited stubs next to the microstrip line symmetrically. In order to illustrate the effectiveness of the design, a prototype is fabricated and measured. A good agreement between the simulated and measured results is observed. To the best of authors’ knowledge, the proposed balanced UWB PD is the first ever reported.

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Balanced UWB power divider with one narrow notch-band

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