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A Novel Multi-tab Multi-mode Resonator and Microstrip Ultra-Wideband Bandpass Filter Based on It

A multi-mode resonance and ultra-broadband technology, applied in waveguide devices, electrical components, circuits, etc., to achieve good out-of-band suppression, small size, and low return loss

Inactive Publication Date: 2018-03-06
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, designing small, high-performance and low-cost filters remains a challenge

Method used

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  • A Novel Multi-tab Multi-mode Resonator and Microstrip Ultra-Wideband Bandpass Filter Based on It
  • A Novel Multi-tab Multi-mode Resonator and Microstrip Ultra-Wideband Bandpass Filter Based on It
  • A Novel Multi-tab Multi-mode Resonator and Microstrip Ultra-Wideband Bandpass Filter Based on It

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the embodiments of the present invention are not limited thereto. The positive side of the example is as image 3 As shown, the metal upper cladding layer (I) of the microstrip includes the following patterns: input feeder (1), first gradient impedance transmission line section (11), first short-circuit transmission line section (12), second metallized through hole (13), eleventh open transmission line section (14), seventh open transmission line section (15), eighth open transmission line section (16), first open transmission line section (31), transmission line section (32), short-circuit transmission line section (33), the first metallized via hole (34), the second open transmission line section (35), the third open transmission line section (36), the fourth open transmission line section (37), the fifth open transmission line section (38)...

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Abstract

UWB filter is a key device in UWB communication system, which determines the overall performance of the system. The invention relates to a microstrip ultra-wideband band-pass filter, which is based on a novel multi-twig multi-mode resonator. It is characterized in that: the middle of the short-circuit transmission line section (33) is short-circuited through the first metallized through hole (34), and the two ends of the short-circuit transmission line section (33) are connected with the two ends of the transmission line section (32) to form a closed loop; the first open circuit Transmission line section (31), second open transmission line section (35), third open transmission line section (36), fourth open transmission line section (37), fifth open transmission line section (38) and sixth open transmission line section (39) Connected to the transmission line sections (32) respectively, they form a multi-stub multi-mode resonator. Research shows that the ultra-wideband bandpass filter of the present invention has the advantages of high performance and miniaturization.

Description

technical field [0001] The invention belongs to the technical field of ultra-wideband communication, and in particular relates to a microstrip ultra-wideband band-pass filter based on a novel multi-node multi-mode resonator. Background technique [0002] In 2002, the Federal Communications Commission (FCC) of the United States opened the frequency band between 3.1 GHz and 10.6 GHz for applications in the communication field. Because of its advantages such as high transmission rate and low transmission loss, UWB communication has received extensive attention and developed rapidly. As a key device in an ultra-wideband communication system, the performance of the ultra-wideband bandpass filter determines the overall performance of the system. However, designing small, high-performance, and low-cost filters remains a major challenge. Contents of the invention [0003] The object of the present invention is to provide a microstrip ultra-wide band band-pass filter based on a n...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01P1/203
Inventor 肖飞张亭李伟焦益明唐小宏
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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