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Multimode paster UWB band-pass filter

A band-pass filter and ultra-broadband technology, applied in waveguide devices, electrical components, circuits, etc., can solve the problems of poor selectivity, large volume, limited bandwidth, etc., and achieve convenient processing, simple design structure, and low cost Effect

Inactive Publication Date: 2016-07-13
HARBIN HESON SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In recent years, many design ideas have appeared, such as multi-mode resonators (MMR), cascaded structures, etc., but although these structures can achieve filtering effects, they are bulky or have poor selectivity or limited bandwidth

Method used

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  • Multimode paster UWB band-pass filter

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Embodiment Construction

[0019] The invention designs a multi-mode patch ultra-wideband (UWB) band-pass filter, which can generate a wider band than the ultra-wide band, and has multiple modes in the pass band, and has a simple structure and small size to realize miniaturization.

[0020] The invention will be described in more detail below in conjunction with the accompanying drawings:

[0021] An example of the present invention is figure 2 As shown, the dielectric substrate (104) is FR4_epoxy with a dielectric constant of 4.4. The length and width of the dielectric substrate meet the specification requirements, the thickness of the dielectric substrate is 1.59 mm, and the dielectric loss is 0.02. The metal grounding plate (105) under the dielectric substrate is made of copper material.

[0022] Such as figure 1 As shown, in the multimode patch ultra-wideband (UWB) bandpass filter of the present invention, the multimode resonant patch (101), port patch (102), and microstrip transmission line (10...

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Abstract

The invention discloses a multimode paster UWB (Ultra Width Band) band-pass filter. The fitler is composed of multimode resonance pasters (101) arranged symmetrically on the upper surface of a medium substrate (104), port pasters (102), micro-strip transmission lines (103), the medium substrate (104) and a metal grounding board (105) below the medium substrate. According to the invention, the multimode resonance pasters are utilized for realizing the UWB band-pass filter. The ring-shaped pasters are utilized for realizing multiple modes and the mode number is adjustable. The multimode paster UWB band-pass filter is simple and compact in structure, small in size, convenient for processing, high in implementability, low in cost, ultra wide in band width and adjustable in mode number. The multimode paster UWB band-pass filter provided by the invention has good in-pass band selection features. The selectivity is good and can allow more signals to pass. The multimode paster UWB band-pass filter has high practical value.

Description

technical field [0001] The invention relates to a multi-mode chip ultra-wideband (UWB) bandpass filter. The filter has multiple modes in the UWB, realizes a bandpass in the UWB, and can well select signals in the ultra-wideband. The ultra-wideband (UWB) ) bandpass filter has important practical value in wireless communication technology and radar system as well as ultra-wideband positioning. Background technique [0002] The band-pass filter can pass the signal in the pass band well, and filter out the signal outside the pass band to realize the selective characteristics of the band-pass filter. However, with the continuous development of modern communication technology, the bandwidth of the required signal is getting wider and wider. At this time, the requirements for ultra-wideband are getting higher and higher. High practical value. UWB or broadband microwave filters are very basic components of modern communication technology applications, such as UWB, radar systems, p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01P1/203
Inventor 王燕燕段瀚林孟祥余
Owner HARBIN HESON SCI & TECH
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