Compact balanced-to-balanced filtering power divider based on square patch resonator

UM > Faculty of Science and Technology > DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING

Status	已發表Published
	Compact balanced-to-balanced filtering power divider based on square patch resonator
	Liu, Q.; Wang, J.; Zhu, L.
	2020-09-01
Source Publication	Proceedings of 2020 International Wireless Symposium
Abstract	A new balanced-to-balanced filtering power divider based on the square patch resonator is proposed in this paper. Originating from the field distributions of degenerate modes on the square patch resonator, a prototype of the balanced to-balanced power divider is successfully developed with only one square patch resonator. Its working principle can be fully explained by the field distribution of the relevant resonant modes. Afterwards, to achieve the sharp skirt selectivity outside the passband, a compact second-order circuit is constructed based on the original prototype. With this new structure, both good bandpass filtering response and power division characteristics are well obtained. Moreover, to suppress the differential-mode (DM) harmonic response in the upper stopband, an improved structure is built up by modifying the feeding scheme. Ultimately, to validate the design concept, both the two types of second order balanced-to-balanced filtering power dividers operating at 1.8 GHz are designed and fabricated. The measured results of the two fabricated circuits well agree with the simulated ones, manifest equal power division, high performances in terms of DM response, in-band common-mode (CM) suppression, port-to-port isolation, and expected harmonic suppression.
Keyword	Balanced-to-balanced circuit bandpass filter common mode (CM) differential mode (DM)
Language	英語English
The Source to Article	PB_Publication
PUB ID	58224
Document Type	Conference paper
Collection	DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Recommended Citation GB/T 7714	Liu, Q.,Wang, J.,Zhu, L.. Compact balanced-to-balanced filtering power divider based on square patch resonator[C], 2020.
APA	Liu, Q.., Wang, J.., & Zhu, L. (2020). Compact balanced-to-balanced filtering power divider based on square patch resonator. Proceedings of 2020 International Wireless Symposium.

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