WO2019184271A1 - Duplexeur planaire à double couche pour résonateur rectangulaire bimode hautement intégré - Google Patents

Duplexeur planaire à double couche pour résonateur rectangulaire bimode hautement intégré Download PDF

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Publication number
WO2019184271A1
WO2019184271A1 PCT/CN2018/105995 CN2018105995W WO2019184271A1 WO 2019184271 A1 WO2019184271 A1 WO 2019184271A1 CN 2018105995 W CN2018105995 W CN 2018105995W WO 2019184271 A1 WO2019184271 A1 WO 2019184271A1
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WO
WIPO (PCT)
Prior art keywords
input
rectangular
microstrip
dielectric plate
output
Prior art date
Application number
PCT/CN2018/105995
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English (en)
Chinese (zh)
Inventor
王世伟
郭建珲
林景裕
Original Assignee
深圳大学
华南理工大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳大学, 华南理工大学 filed Critical 深圳大学
Publication of WO2019184271A1 publication Critical patent/WO2019184271A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
    • H01P1/2135—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using strip line filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/203—Strip line filters
    • H01P1/20327—Electromagnetic interstage coupling
    • H01P1/20336—Comb or interdigital filters
    • H01P1/20345—Multilayer filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/203—Strip line filters
    • H01P1/20327—Electromagnetic interstage coupling
    • H01P1/20354—Non-comb or non-interdigital filters
    • H01P1/20381—Special shape resonators

Definitions

  • the invention relates to a duplexer, in particular to a high-integration dual-mode rectangular resonator double-layer planar duplexer, belonging to the field of wireless communication.
  • the microwave filter is an indispensable device for the transmitting end and the receiving end of the modern communication system. It separates the signal, allowing the useful signal to pass through as much as possible without attenuation, and suppressing the passage of the useless signal with as much attenuation as possible.
  • the planar microstrip filter has high application value due to its high frequency selectivity, low insertion loss, large power capacity, stable performance, small size and easy integration.
  • Many researchers have studied the multi-mode passband of planar filters. By adjusting the coupling between resonators, the split multimode is changed to generate transmission zeros, which further improves the bandpass performance.
  • microstrip duplexer designed by Ruey-Beei Wu et al. shown in Figure 1, has two resonant modes at the input, separating the two modes at the two outputs. The response is shown in Figure 2.
  • a highly integrated dual-mode rectangular resonator double-layer planar duplexer includes a first dielectric plate and a second dielectric plate, the first dielectric plate and the second dielectric being disposed on the lower plate, and the first dielectric plate and the second medium a grounding plate is arranged between the plates, the grounding plate is provided with a slit, and a cylindrical member is arranged at the gap;
  • the first dielectric plate is provided with two rectangular microstrip structures and two input/output microstrip lines, two rectangular microstrip structures are arranged left and right and connected, and two input/output microstrip lines are respectively connected with one of the rectangles Microstrip structure connection;
  • the second dielectric plate is provided with a rectangular microstrip structure and an input/output microstrip line, and the input/output microstrip line is connected with the rectangular microstrip structure;
  • One of the rectangular microstrip structures of the first dielectric plate is connected to the rectangular microstrip structure of the second dielectric plate by a cylindrical member.
  • the two rectangular microstrip structures on the first dielectric plate and the rectangular microstrip structure on the second dielectric plate are all slit.
  • the slits of the two rectangular microstrip structures on the first dielectric plate and the slits of the rectangular microstrip structure on the second dielectric plate are all cross-shaped slits.
  • the two rectangular microstrip structures on the first dielectric plate are connected by a microstrip line.
  • the two input/output microstrip lines on the first dielectric board and the input/output microstrip lines on the second dielectric board each use a microstrip line having a characteristic impedance of 50 ohms.
  • each of the slits is provided with a cylindrical member.
  • the two rectangular microstrip structures on the first dielectric plate are respectively a first rectangular microstrip structure and a second rectangular microstrip structure, and two input/output microstrip lines on the first dielectric plate a first input/output microstrip line and a second input/output microstrip line, respectively, the first end of the first input/output microstrip line being located at a first edge of the first dielectric plate, the second input/output a first end of the microstrip line is located at a second edge of the first dielectric plate, and the second ends of the first input/output microstrip line and the second input/output microstrip line are respectively opposite to the first rectangular microstrip structure Strip connection
  • the rectangular microstrip structure on the second dielectric plate is a third rectangular microstrip structure
  • the input/output microstrip line on the second dielectric plate is a third input/output microstrip line
  • the third input/output micro A first end of the strip line is located at a first edge of the second dielectric plate, and a second end of the third input/output microstrip line is coupled to an edge of the third rectangular microstrip structure.
  • first end of the first input/output microstrip line is located at a left edge of the first dielectric board, and the second end of the first input/output microstrip line is connected to a left side of the first rectangular microstrip structure.
  • first end of the second input/output microstrip line is located at a lower edge of the first dielectric plate, and the second end of the second input/output microstrip line is connected to a lower edge of the first rectangular microstrip structure.
  • first end of the third input/output microstrip line is located at an upper edge of the second dielectric plate, and the second end of the third input/output microstrip line is connected to an upper edge of the third rectangular microstrip structure.
  • the invention has two dielectric plates arranged one above the other, two rectangular microstrip structures and two input/output microstrip lines are arranged on the upper dielectric plate, and a rectangular microstrip structure and an input are arranged on the lower dielectric plate.
  • / Output microstrip line, rectangular microstrip structure can produce multi-mode effect, by changing the resonant frequency of the long and wide control mode of the rectangular microstrip structure, three input/output microstrip lines can select one of the input/output microstrip lines Input, two other input/output microstrip line outputs, can realize three working states through combination, realize double-layer three-order planar microstrip duplexer, which can meet the characteristics of miniaturization, high selectivity, simple design and processing. .
  • the invention can also open a gap on two rectangular microstrip structures of the upper dielectric plate and the rectangular microstrip structure of the lower dielectric plate, and control the resonance of the mode by changing the length and width of the rectangular microstrip structure and the length of the slit.
  • the frequency, and the use of a rectangular microstrip structure with slits, reduces radiation and reduces insertion loss.
  • FIG. 1 is a structural diagram of a conventional dual mode microstrip duplexer.
  • FIG. 2 is a graph showing the response results of a conventional dual mode microstrip duplexer.
  • FIG. 3 is a top structural view of a split double-layer planar duplexer according to Embodiment 1 of the present invention.
  • FIG. 4 is a structural diagram of a lower layer of a slotted double-layer planar duplexer according to Embodiment 1 of the present invention.
  • Fig. 5 is a top plan view showing the intermediate layer of the slotted double-layer planar duplexer according to Embodiment 1 of the present invention.
  • Figure 6 is a side elevational view showing the intermediate layer of the slotted double-layer planar duplexer according to Embodiment 1 of the present invention.
  • Figure 7 is a top plan view of a non-seam double-layer planar duplexer according to Embodiment 2 of the present invention.
  • Figure 8 is a structural diagram showing the lower layer of a non-seam double-layer planar duplexer according to Embodiment 2 of the present invention.
  • the embodiment provides a high-integration dual-mode rectangular resonator double-layer planar duplexer, and the duplexer includes a first dielectric plate 1 and a second dielectric plate 2, wherein the A dielectric plate 1 and a second dielectric plate 2 are disposed above and below, that is, the first dielectric plate 1 serves as an upper layer structure, the second dielectric plate 2 serves as a lower layer, and a ground plate 3 is disposed between the first dielectric plate and the second dielectric plate, that is, The floor serves as an intermediate layer structure.
  • the grounding plate 3 is provided with a first slit 4, and the first slit 4 is provided with a cylindrical member 5.
  • the first slit 4 is provided with a cylindrical member 5.
  • the metal material may be any one of aluminum, iron, tin, copper, silver, gold, and platinum, or may be aluminum, iron, tin, copper, silver, gold, and platinum.
  • An alloy of one type may be any one of aluminum, iron, tin, copper, silver, gold, and platinum.
  • the first dielectric plate 1 is provided with two rectangular microstrip structures and two input/output microstrip lines, and the two rectangular microstrip structures are respectively a first rectangular microstrip structure 6 and a second rectangular microstrip structure 7,
  • the first rectangular microstrip structure 6 and the second rectangular microstrip structure 7 are disposed on the left and right sides and are connected to each other.
  • the first rectangular microstrip structure 2 and the second rectangular microstrip structure 3 are each provided with a second slit 8 .
  • the second slit 8 of the example is a cross-shaped slit; the two input/output microstrip lines each adopt a microstrip line with a characteristic impedance of 50 ohms, which are a first input/output microstrip line 9 and a second input/output microstrip, respectively.
  • Line 10 is a cross-shaped slit; the two input/output microstrip lines each adopt a microstrip line with a characteristic impedance of 50 ohms, which are a first input/output microstrip line 9 and a second input/output microstrip, respectively.
  • Line 10 10.
  • the first rectangular microstrip structure 6 is connected to the second rectangular microstrip structure 7 through the microstrip line 11.
  • the microstrip line 11 is a bent microstrip line including the first bend connected a folding section 12 and a second bending section 13, the first bending section 12 is connected to the left side and the upper side of the first rectangular microstrip structure 6, and the second bending section 13 is connected to the right side and the upper side of the second rectangular microstrip structure 7. .
  • first bending section 12 can also be connected to the left and lower sides of the first rectangular microstrip structure 6, and the second bending section 13 and the right and bottom sides of the second rectangular microstrip structure 7 connection.
  • the first input/output microstrip line 9 and the second input/output microstrip line 10 are both rectangular structures having a first end and a second end opposite to the first end, the first input/output The first end of the microstrip line 9 is located at the left edge of the first dielectric plate 1 as the first input/output port Port1, the second end of the first input/output microstrip line 9 and the first rectangular microstrip structure 6 Connected to the left, the first end of the second input/output microstrip line 10 is located at the lower edge of the first dielectric plate 1, as the second input/output port Port2, and the second end of the second input/output microstrip line 10 is The lower sides of the first rectangular microstrip structure 6 are connected.
  • first end of the second input/output microstrip line 10 can be located at the upper edge of the first dielectric plate 1 and the second end can be connected to the upper edge of the first rectangular microstrip structure 6.
  • the positions of the first input/output microstrip line 9 and the second input/output microstrip line 10 may also be interchanged; the first input/output microstrip line 9 and the second input/output microstrip line 10 may also be respectively The two sides of the second rectangular microstrip structure 7 are connected.
  • the second dielectric plate 2 is provided with a third rectangular microstrip structure 14 and a third input/output microstrip line 15.
  • the third rectangular microstrip structure 14 is provided with a third slit 16, which is of the embodiment.
  • the third slit 16 is a cross-shaped slit; the third input/output microstrip line 15 is a microstrip line having a characteristic impedance of 50 ohms.
  • the third input/output microstrip line 15 has a rectangular structure, and has a first end and a second end opposite to the first end, and the first end of the third input/output microstrip line 15 is located at the second end. At the upper edge of the dielectric plate 2, the second end of the third input/output microstrip line 15 is connected to the upper side of the third rectangular microstrip structure 14.
  • first end of the third input/output microstrip line 15 can be located at the lower edge of the second dielectric plate 2, and the second end can be connected to the lower edge of the third rectangular microstrip structure 14.
  • the first end of the third input/output microstrip line 15 may be located at the left edge of the second dielectric plate 2, and the second end is connected to the left side of the third rectangular microstrip structure 14, and the third input may also be made.
  • the first end of the output microstrip line 15 is located at the right edge of the second dielectric plate 2, and the second end is connected to the right side of the third rectangular microstrip structure 14.
  • the second rectangular microstrip structure 7 is connected to the third rectangular microstrip structure 14 by the cylindrical member 5, the first rectangular microstrip structure 6, the second rectangular microstrip structure 7, and the third rectangular microstrip structure 14
  • a multi-mode effect can be produced by controlling the length and width of the first rectangular microstrip structure 6, the second rectangular microstrip structure 7, and the third rectangular microstrip structure 14, and the length of the second slit 8 and the third slit 16 The resonant frequency of the mode.
  • two resonant modes can be generated by three rectangular microstrip structures.
  • the main feature of this embodiment is that, as shown in FIG. 7 and FIG. 8, the first rectangular microstrip structure 6, the second rectangular microstrip structure 7, and the third rectangular microstrip structure 14 are all structures without gaps. By changing the resonant frequency of the long and wide control modes of the rectangular microstrip structure. The rest are the same as in the first embodiment.
  • the present invention has two dielectric plates arranged one above the other, two rectangular microstrip structures and two input/output microstrip lines are disposed on the upper dielectric plate, and a rectangular microstrip structure is disposed on the lower dielectric plate. And an input/output microstrip line, the rectangular microstrip structure can produce multi-mode effects.
  • three input/output microstrip lines can select one of the input/output
  • the microstrip line input and the other two input/output microstrip line outputs can realize three working states by combination, realizing a double-layered third-order planar microstrip duplexer, which can meet miniaturization, high selectivity, design and processing.
  • the present invention can also open a gap in two rectangular microstrip structures of the upper dielectric plate and the rectangular microstrip structure of the lower dielectric plate, by changing the length and width of the rectangular microstrip structure and the length of the slit. Controlling the resonant frequency of the mode, and using a rectangular microstrip structure with slits to reduce radiation and reduce insertion loss.
  • the invention has two dielectric plates arranged one above the other, two rectangular microstrip structures and two input/output microstrip lines are arranged on the upper dielectric plate, and a rectangular microstrip structure and an input are arranged on the lower dielectric plate.
  • / Output microstrip line, rectangular microstrip structure can produce multi-mode effect, by changing the resonant frequency of the long and wide control mode of the rectangular microstrip structure, three input/output microstrip lines can select one of the input/output microstrip lines Input, two other input/output microstrip line outputs, can realize three working states through combination, realize double-layer three-order planar microstrip duplexer, which can meet the characteristics of miniaturization, high selectivity, simple design and processing. .
  • the invention can also open a gap on two rectangular microstrip structures of the upper dielectric plate and the rectangular microstrip structure of the lower dielectric plate, and control the resonance of the mode by changing the length and width of the rectangular microstrip structure and the length of the slit.
  • the frequency, and the use of a rectangular microstrip structure with slits, reduces radiation and reduces insertion loss.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

L'invention concerne un duplexeur planaire à double couche pour un résonateur rectangulaire bimode hautement intégré, comprenant une première plaque diélectrique et une seconde plaque diélectrique. La première plaque diélectrique et la seconde plaque diélectrique sont placées dans une direction verticale, et une plaque de mise à la terre est disposée entre la première plaque diélectrique et la seconde plaque diélectrique. La plaque de mise à la terre est pourvue d'une fente, et un élément cylindrique se trouve au niveau de la fente. La première plaque diélectrique est pourvue de deux structures microruban rectangulaires et de deux lignes microruban d'entrée/sortie, les deux structures microruban rectangulaires sont placées dans une configuration gauche/droite et sont connectées, et les deux lignes microruban d'entrée/sortie sont respectivement connectées à l'une des structures microruban rectangulaires. La seconde plaque diélectrique est pourvue d'une structure microruban rectangulaire et d'une ligne microruban d'entrée/sortie, et la ligne microruban d'entrée/sortie est connectée à la structure microruban rectangulaire. L'une des structures microruban rectangulaires de la première plaque diélectrique est connectée à la structure microruban rectangulaire de la seconde plaque diélectrique par l'intermédiaire de l'élément cylindrique. La présente invention permet d'obtenir un duplexeur microruban planaire de troisième ordre. Le duplexeur microruban planaire de troisième ordre présente les avantages d'un petit volume, d'une structure simple et d'un traitement facile, et présente un large éventail d'applications.
PCT/CN2018/105995 2018-03-26 2018-09-17 Duplexeur planaire à double couche pour résonateur rectangulaire bimode hautement intégré WO2019184271A1 (fr)

Applications Claiming Priority (2)

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CN201810250527.8A CN108565532B (zh) 2018-03-26 2018-03-26 一种高集成双模矩形谐振器双层平面双工器
CN201810250527.8 2018-03-26

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CN115189108B (zh) * 2022-08-08 2023-10-20 河南科技大学 一种基于多模谐振器的双通带滤波器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201754431U (zh) * 2010-03-31 2011-03-02 联想(北京)有限公司 微带馈电天线及移动终端
CN102570043A (zh) * 2012-01-18 2012-07-11 华南理工大学 一种加载零阶谐振器的多极化微带贴片天线
CN105720331A (zh) * 2016-03-23 2016-06-29 华南理工大学 一种基于微带馈电缝隙耦合的单腔三模带通双工器
CN107768782A (zh) * 2017-09-27 2018-03-06 华南理工大学 基于矩形微带结构的双工器

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4182979B2 (ja) * 2003-11-06 2008-11-19 株式会社村田製作所 共振器、フィルタ、非可逆回路素子、および通信装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201754431U (zh) * 2010-03-31 2011-03-02 联想(北京)有限公司 微带馈电天线及移动终端
CN102570043A (zh) * 2012-01-18 2012-07-11 华南理工大学 一种加载零阶谐振器的多极化微带贴片天线
CN105720331A (zh) * 2016-03-23 2016-06-29 华南理工大学 一种基于微带馈电缝隙耦合的单腔三模带通双工器
CN107768782A (zh) * 2017-09-27 2018-03-06 华南理工大学 基于矩形微带结构的双工器

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CN108565532A (zh) 2018-09-21

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