WO2018188305A1 - 小型化滤波集成天线 - Google Patents

小型化滤波集成天线 Download PDF

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Publication number
WO2018188305A1
WO2018188305A1 PCT/CN2017/107197 CN2017107197W WO2018188305A1 WO 2018188305 A1 WO2018188305 A1 WO 2018188305A1 CN 2017107197 W CN2017107197 W CN 2017107197W WO 2018188305 A1 WO2018188305 A1 WO 2018188305A1
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WO
WIPO (PCT)
Prior art keywords
microstrip line
integrated antenna
filter integrated
disposed
miniaturized filter
Prior art date
Application number
PCT/CN2017/107197
Other languages
English (en)
French (fr)
Inventor
曲美君
邓力
李书芳
张贯京
葛新科
高伟明
张红治
Original Assignee
深圳市景程信息科技有限公司
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Application filed by 深圳市景程信息科技有限公司 filed Critical 深圳市景程信息科技有限公司
Publication of WO2018188305A1 publication Critical patent/WO2018188305A1/zh

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/108—Combination of a dipole with a plane reflecting surface

Definitions

  • the present invention relates to the field of radio frequency microwave communication technologies, and in particular, to a miniaturized filter integrated antenna.
  • the filter is typically connected directly to the input or output port of the antenna.
  • Filters and antennas are two of the larger critical components, usually designed separately, but when the filter is cascaded with the antenna, the impedance is often mismatched. This requires the introduction of additional matching circuits for impedance matching, which in turn complicates the system and increases the weight, size and loss of the system. Therefore, it is very important to integrate the filter and the antenna to ensure its radiation characteristics and filtering characteristics to form a filter antenna.
  • the main object of the present invention is to provide a miniaturized filter integrated antenna, which aims to solve the technical problem that the existing filter integrated antenna cannot ensure good radiation characteristics and filtering characteristics.
  • the present invention provides a miniaturized filter integrated antenna, the miniaturized filter integrated antenna including an upper surface and a lower surface, both of which are printed on a dielectric board,
  • the upper surface includes a first microstrip line, a rectangular resonant ring, and a second microstrip line, the rectangular resonant ring being disposed between the first microstrip line and the second microstrip line; the second microstrip line being disposed Have a metal through hole on the upper surface;
  • the lower surface includes a ground, a third microstrip line, and a fourth microstrip line; one end of the third microstrip line is disposed as a funnel type, and the other end of the third microstrip line is disposed in a rectangular shape Connecting with the lower bottom end of the funnel-shaped bottom to form a connecting portion; the fourth microstrip line and the other end of the third microstrip line are disposed on the same line; and the fourth microstrip line is provided with
  • the upper surface metal via is matched to the lower surface metal via
  • the upper surface and the lower surface of the antenna are connected through the upper surface metal via and the lower surface metal via through a metal copper pillar, such that the second microstrip line, the third microstrip line, and the fourth The microstrip lines together form a dipole.
  • the first microstrip line and the second microstrip line are both "L-shaped" structures, each including a lateral end and a vertical mountain
  • the upper surface metal via is disposed at a lateral end of the second microstrip line away from an end of the rectangular resonant ring.
  • the lower surface metal via is disposed at a position adjacent to an end of the third microstrip line connecting portion corresponding to the upper surface metal via.
  • a vertical end of the first microstrip line and a vertical end of the second microstrip line are respectively disposed in parallel with a long side of the rectangular resonant ring, and a lateral end of the first microstrip line And lateral ends of the second microstrip line are respectively disposed in parallel with short sides of the rectangular resonance ring.
  • the length of the vertical end of the first microstrip line is the same as the length of the vertical end of the second microstrip line, and both are smaller than the length of the long side of the rectangular resonant ring.
  • one end of the lateral end of the first microstrip line is disposed on a left edge of an upper surface of the dielectric plate.
  • the transverse end of the first microstrip line and the transverse end of the second microstrip line are both w
  • the dielectric plate has a dielectric constant of 3.66, a thickness of 0.762 mm, and a material of RO4350B.
  • the miniaturized filter integrated antenna of the present invention adopts the above technical solution, and achieves the following technical effects:
  • the miniaturized filter integrated antenna of the present invention by adding a rectangular resonant ring to the existing antenna
  • the antenna has a filtering effect, which improves the filtering characteristics of the antenna; forming a reflector through the ground, so that the antenna has an orientation effect, and the radiation characteristics of the antenna are improved.
  • 1 is a schematic diagram showing the upper surface geometry and size of a preferred embodiment of the miniaturized filter integrated antenna of the present invention.
  • 2 is a schematic diagram showing the lower surface geometry and size of a preferred embodiment of the miniaturized filter integrated antenna of the present invention.
  • FIG. 3 is a reflection coefficient and gain effect diagram of simulation and testing of a preferred embodiment of the miniaturized filter integrated antenna of the present invention.
  • FIG. 4 is a schematic diagram of simulation and testing of a preferred embodiment of the miniaturized filter integrated antenna of the present invention.
  • FIG. 1 is a schematic diagram showing the upper surface geometry and size of a preferred embodiment of the miniaturized filter integrated antenna of the present invention
  • FIG. 2 is a lower surface of a preferred embodiment of the miniaturized filter integrated antenna of the present invention. Schematic diagram of geometry and dimensions.
  • the miniaturized filter integrated antenna is printed on a dielectric board 00, and the miniaturized filter integrated antenna includes an upper surface and a lower surface.
  • the dielectric plate 00 preferably has a dielectric constant of 3.66, a thickness of preferably 0.762 mm, and a material of preferably RO4350B.
  • the upper surface of the miniaturized filter integrated antenna includes a first microstrip line 10, a rectangular resonant ring 11 and a second microstrip line 12, and the rectangular resonant ring 11 is disposed on the first micro Between the strip line 10 and the second microstrip line 1 2 .
  • the first microstrip line 10 and the second microstrip line 12 are both "L-shaped" structures, that is, the first microstrip line 10 and the second microstrip line 12 both include a horizontal end and a vertical end. .
  • the vertical end of the first microstrip line 10 and the vertical end of the second microstrip line 12 are respectively disposed in parallel with the long side of the rectangular resonant ring 11, and the length of the vertical end of the first microstrip line 10 is
  • the length of the vertical end of the second microstrip line 12 is smaller than the length of the long side of the rectangular resonant ring 11 , the length of the vertical end of the first microstrip line 10 and the vertical of the second microstrip line 12
  • the length of the end is the same.
  • a lateral end of the first microstrip line 10 and a lateral end of the second microstrip line 12 and the moment The short sides of the resonant ring 11 are arranged in parallel.
  • One end of the lateral end of the first microstrip line 10 is disposed on a left edge of the upper surface of the dielectric plate 0 0 .
  • the lateral end of the second microstrip line 12 is disposed away from the end of the rectangular resonant ring 11 with an upper surface metal via 13 .
  • the upper surface of the antenna is connected to the lower surface of the antenna through the upper surface metal via 13 through a metal copper post (see below for details).
  • the transverse end of the first microstrip line 10 and the transverse end of the second microstrip line 12 are both w 1 ;
  • the length of the horizontal end of the first microstrip line 10 is lc
  • the length of the vertical end of the first microstrip line 10 is l b
  • the width of the vertical end of the first microstrip line 10 is w b
  • the rectangle a distance between the outer diameter of the resonant ring 11 near the long side of the first microstrip line 10 and the outer diameter of the vertical end of the first microstrip line 10 is wc
  • the rectangular resonant ring 11 is adjacent to the second
  • the distance between the outer diameter of the long side of the microstrip line 12 and the outer diameter of the vertical end of the second microstrip line 12 is w.
  • the width of the long side of the rectangular resonant ring 11 is w a
  • the outer diameter of the long side of the rectangular resonant ring 11 is la
  • the distance between the inner diameters of the two long sides of the rectangular resonant ring 11 is w d .
  • the lower surface of the miniaturized filter integrated antenna includes a ground 20 and a third microstrip line 21
  • the floor 20 is disposed at one end of the left side of the lower surface of the dielectric plate 00 to constitute a reflector.
  • the width of the floor 20 is 11, and the length of the floor 20 is the same as the width of the dielectric plate 00.
  • One end of the third microstrip line 21 is disposed as a funnel type 211, the upper mouth of the funnel type 211 has a width w 3 , the lower portion of the funnel type has a length of 12, and the third microstrip line 21 has another One end is disposed as a rectangle 212 and is connected with the lower bottom end of the funnel-shaped 211 to form a connecting portion.
  • the connecting portion is provided with a notch 213, and the notch 213 is disposed in a triangular gradation structure to facilitate signal matching.
  • the other end of the third microstrip line 21 has a length of 13, and the other end of the third microstrip line 21 has a width W l .
  • the fourth microstrip line 22 and the other end of the third microstrip line 21 are disposed on the same line.
  • the fourth microstrip line 22 is adjacent to one end of the connection portion of the third microstrip line 21 and is provided with a lower surface metal via 24 corresponding to the lateral port position of the second microstrip line 12.
  • the width of the fourth microstrip line 22 is w .
  • the upper surface and the lower surface of the antenna are connected through the upper surface metal via 13 and the lower surface metal via 24 through a metal copper pillar, so that the second microstrip line 12 and the third microstrip Line 21 and fourth microstrip line 2 2 together form a dipole.
  • the antenna has a good filtering effect by adding a rectangular resonant ring 11 to the existing antenna; a reflector is formed by the ground 20, so that the antenna has an directional effect and has good radiation characteristics.
  • Table 1 is a parameter value of a preferred embodiment of the miniaturized filter integrated antenna of the present invention.
  • FIG. 3 is a graph showing the reflection coefficient and gain effect of the simulation and test of the preferred embodiment of the miniaturized filter integrated antenna of the present invention.
  • the preferred embodiment uses the parameter values shown in Table 1.
  • the reflection coefficient IS11I of the miniaturized filter integrated antenna of the present invention has two resonance frequency points, which are respectively at 2.35 GHz and 2.45 GHz. This is because the present invention integrates a rectangular resonant ring on the basis of the existing antenna, which is equivalent to integrating a dual-mode high-selectivity filter. Since the values of the odd-even modes are different, the antenna can resonate at two frequencies. Reflects good filtering characteristics. It can also be seen from Fig.
  • the measured antenna gain is flat in the operating frequency band and rapidly drops outside the operating band, reflecting the high selectivity of the antenna. If the rectangular resonant ring is removed and connected directly with the microstrip line, it can be seen that the antenna has no filtering performance and out-of-band rejection.
  • FIG. 4 is a schematic diagram of simulation and testing of a preferred embodiment of the miniaturized filter integrated antenna of the present invention.
  • the preferred embodiment uses the parameter values shown in Table 1.
  • the antenna of the present invention has an directional effect in the y direction and exhibits good radiation characteristics.
  • the miniaturized filter integrated antenna of the present invention has an antenna provided by adding a rectangular resonant ring to the existing antenna.
  • the filtering effect improves the filtering characteristics of the antenna; forming a reflector through the ground, so that the antenna has an orientation effect, and the radiation characteristics of the antenna are improved.

Abstract

本发明公开一种小型化滤波集成天线。该小型化滤波集成天线包括上表面和下表面，上表面包括第一微带线、矩形谐振环和第二微带线；所述下表面包括地面、第三微带线以及第四微带线。本发明通过在现有天线中加入矩形谐振环使得天线有滤波效果；通过地面构成一个反射器，使得天线具有定向的效果。

Description

说明书 发明名称：小型化滤波集成天线
技术领域
[0001] 本发明涉及射频微波通信技术领域， 尤其涉及一种小型化滤波集成天线。
背景技术
[0002] 随着无线通信和电子技术的迅猛发展， 系统中的电子设备需要同吋满足多种需 要。 在大多数无线通信系统中， 滤波器通常直接接在天线的输入或输出端口。 滤波器和天线作为两个尺寸较大的关键器件， 通常是独立设计， 但是当把滤波 器与天线进行级联使用， 往往会导致阻抗失去匹配。 此吋需要引入额外的匹配 电路实现阻抗匹配， 而这又使得系统复杂， 增加系统的重量、 尺寸以及损耗。 因此， 将滤波器和天线进行集成化设计， 保证其辐射特性和滤波特性， 构成滤 波天线， 则具有非常重要的意义。
[0003] 然而， 现有的滤波集成天线不能同吋保证良好的辐射特性和滤波特性。
技术问题
[0004] 本发明的主要目的提供一种小型化滤波集成天线， 旨在解决现有的滤波集成天 线不能同吋保证良好的辐射特性和滤波特性的技术问题。
问题的解决方案
技术解决方案
[0005] 为实现上述目的， 本发明提供了一种小型化滤波集成天线， 所述小型化滤波集 成天线包括上表面和下表面， 所述上表面和下表面均印制于介质板上， 所述上 表面包括第一微带线、 矩形谐振环和第二微带线， 所述矩形谐振环设置于第一 微带线和第二微带线之间； 所述第二微带线上设置有上表面金属过孔；
[0006] 所述下表面包括地面、 第三微带线以及第四微带线； 所述第三微带线的一端设 置为漏斗型， 所述第三微带线的另一端设置为矩形并与所述漏斗型的下部底端 连接形成连接部； 所述第四微带线与所述第三微带线的另一端设置于同一条线 上； 所述第四微带线上设置有与所述上表面金属过孔相匹配的下表面金属过孔 [0007] 所述天线的上表面与下表面通过金属铜柱穿过所述上表面金属过孔和下表面金 属过孔相连， 使得所述第二微带线、 第三微带线以及第四微带线共同构成偶极 子。
[0008] 优选地， 所述第一微带线和所述第二微带线均为" L型"结构， 均包括横端和竖 山
[0009] 优选地， 所述上表面金属过孔设置于所述第二微带线的横端远离所述矩形谐振 环的端头。
[0010] 优选地， 所述下表面金属过孔设置于靠近所述第三微带线连接部的一端与所述 上表面金属过孔对应的位置。
[0011] 优选地， 所述第一微带线的竖端和所述第二微带线的竖端分别与所述矩形谐振 环的长边平行设置， 所述第一微带线的横端和所述第二微带线的横端分别与所 述矩形谐振环的短边平行设置。
[0012] 优选地， 所述第一微带线的竖端的长度和所述第二微带线的竖端的长度相同， 且均小于所述矩形谐振环的长边的长度。
[0013] 优选地， 所述第一微带线的横端一端设置于所述介质板的上表面左侧边缘。
[0014] 优选地， 所述第一微带线的横端和所述第二微带线的横端宽度均为 w
Figure imgf000004_0001
[0015] 优选地， 所述第四微带线的宽度为 w ,=1.751^!!。
[0016] 优选地， 所述介质板的介电常数为 3.66， 厚度为 0.762mm， 材质为 RO4350B。
发明的有益效果
有益效果
[0017] 相较于现有技术， 本发明所述小型化滤波集成天线采用上述技术方案， 达到了 如下技术效果： 本发明所述小型化滤波集成天线， 通过在现有天线中加入矩形 谐振环使得天线有滤波效果， 提高了天线的滤波特性； 通过地面构成一个反射 器， 使得天线具有定向的效果， 提高了天线的辐射特性。
对附图的简要说明
附图说明
[0018] 图 1是本发明小型化滤波集成天线优选实施例的上表面几何结构和尺寸示意图 [0019] 图 2是本发明小型化滤波集成天线优选实施例的下表面几何结构和尺寸示意图
[0020] 图 3是本发明小型化滤波集成天线优选实施例的仿真和测试的反射系数与增益 效果图；
[0021] 图 4为本发明小型化滤波集成天线优选实施例的仿真与测试的方向图。
[0022] 本发明目的实现、 功能特点及优点将结合实施例， 将在具体实施方式部分一并 参照附图做进一步说明。
实施该发明的最佳实施例
本发明的最佳实施方式
[0023] 为更进一步阐述本发明为达成上述目的所采取的技术手段及功效， 以下结合附 图及较佳实施例， 对本发明的具体实施方式、 结构、 特征及其功效进行详细说 明。 应当理解， 此处所描述的具体实施例仅仅用以解释本发明， 并不用于限定 本发明。
[0024] 参照图 1、 图 2所示， 图 1是本发明小型化滤波集成天线优选实施例的上表面几 何结构和尺寸示意图； 图 2是本发明小型化滤波集成天线优选实施例的下表面几 何结构和尺寸示意图。
[0025] 在本实施例中， 所述小型化滤波集成天线印制于介质板 00上， 所述小型化滤波 集成天线包括上表面和下表面。 所述介质板 00的介电常数优选为 3.66， 厚度优选 为 0.762mm， 材质优选为 RO4350B。
[0026] 在本实施例中， 所述小型化滤波集成天线的上表面包括第一微带线 10、 矩形谐 振环 11和第二微带线 12， 所述矩形谐振环 11设置于第一微带线 10和第二微带线 1 2之间。 所述第一微带线 10和所述第二微带线 12均为" L型"结构， 即所述第一微 带线 10和所述第二微带线 12均包括横端和竖端。 所述第一微带线 10的竖端和所 述第二微带线 12的竖端分别与所述矩形谐振环 11的长边平行设置， 所述第一微 带线 10的竖端的长度和所述第二微带线 12的竖端的长度均小于所述矩形谐振环 1 1的长边的长度， 所述第一微带线 10的竖端的长度和所述第二微带线 12的竖端的 长度相同。 所述第一微带线 10的横端和所述第二微带线 12的横端分别与所述矩 形谐振环 11的短边平行设置。 所述第一微带线 10的横端一端设置于所述介质板 0 0的上表面左侧边缘。 所述第二微带线 12的横端远离所述矩形谐振环 11的端头设 置有上表面金属过孔 13。 所述天线的上表面通过金属铜柱穿过该上表面金属过 孔 13与天线的下表面连接 （详见下述） 。
[0027] 具体地， 所述第一微带线 10的横端和所述第二微带线 12的横端宽度均为 w 1 ;
所述第一微带线 10的横端的长度为 l c， 所述第一微带线 10的竖端的长度为 l b， 所 述第一微带线 10的竖端的宽度为 w b， 所述矩形谐振环 11靠近所述第一微带线 10 的长边的外径与所述第一微带线 10的竖端的外径之间的距离为 w c， 所述矩形谐 振环 11靠近所述第二微带线 12的长边的外径与所述第二微带线 12的竖端的外径 之间的距离为 w。， 所述矩形谐振环 11的长边的宽度为 w a， 所述矩形谐振环 11的 长边的外径长度为 la， 所述矩形谐振环 11的两个长边的内径之间的距离为 w d。
[0028] 参考图 2所示， 所述小型化滤波集成天线的下表面包括地面 20、 第三微带线 21
以及第四微带线 22。 所述地面 20设置于所述介质板 00的下表面左侧一端， 构成 反射器。 所述地面 20的宽度为 11， 所述地面 20的长度与所述介质板 00的宽度相同 。 所述第三微带线 21的一端设置为漏斗型 211， 所述漏斗型 211的上部幵口宽度 为 w 3， 所述漏斗型的下部长度为 12， 所述第三微带线 21的另一端设置为矩形 212 并与所述漏斗型 211的下部底端连接形成连接部， 所述连接部设置有缺口 213， 该缺口 213设置为三角形渐变结构， 有利于信号的匹配。 所述第三微带线 21的另 一端的长度为 13， 所述第三微带线 21的另一端的宽度为 W l。 所述第四微带线 22 与所述第三微带线 21的另一端设置于同一条线上。 所述第四微带线 22靠近所述 第三微带线 21连接部的一端且与所述第二微带线 12的横端端口位置对应设置有 下表面金属过孔 24。 所述第四微带线 22的宽度为 w ,。
[0029] 所述天线的上表面与下表面通过一个金属铜柱穿过所述上表面金属过孔 13和下 表面金属过孔 24相连， 使得所述第二微带线 12、 第三微带线 21以及第四微带线 2 2共同构成一个偶极子。
[0030] 本发明实施例通过在现有天线中加入矩形谐振环 11使得天线有良好的滤波效果 ； 通过地面 20构成一个反射器， 使得天线具有定向的效果， 具备良好的辐射特 性。 [0031] 下面结合具体实施例来说明本发明小型化滤波集成天线的技术效果。 参照表 1 所示， 表 1为本发明小型化滤波集成天线优选实施例参数值。
[0032]
[0033] 表 1本发明小型化滤波集成天线优选实施例参数值
[] [表 1]
Figure imgf000007_0001
[0034]
[0035] 如图 3所示， 图 3是本发明小型化滤波集成天线优选实施例的仿真和测试的反射 系数与增益效果图。 该优选实施例选用表 1所示的参数值。 从图 3的仿真和实测 结果可以看出， 本发明小型化滤波集成天线的反射系数 IS11I有两个谐振频点， 分 别谐振在 2.35 GHz和 2.45GHz。 这是由于本发明在现有天线的基础上集成了矩形 谐振环， 相当于集成了一个双模高选择性的滤波器， 由于奇偶模的值不同， 导 致天线可以谐振在两个频点上， 体现了良好的滤波特性。 从图 3也可以看出， 所 测天线增益在工作频带内平坦， 在工作频带外急速下降， 体现了天线的高选择 性。 如果去掉矩形谐振环， 直接用微带线连接， 可以看出天线没有滤波性能和 带外抑制性能。
[0036] 如图 4所示， 图 4为本发明小型化滤波集成天线优选实施例的仿真与测试的方向 图。 该优选实施例选用表 1所示的参数值。 从图 4可以看出， 本发明的天线在 y方 向有定向效果， 体现了良好的辐射特性。
[0037] 以上仅为本发明的优选实施例， 并非因此限制本发明的专利范围， 凡是利用本 发明说明书及附图内容所作的等效结构或等效功能变换， 或直接或间接运用在 其他相关的技术领域， 均同理包括在本发明的专利保护范围内。
工业实用性 相较于现有技术， 本发明所述小型化滤波集成天线采用上述技术方案， 达到了 如下技术效果： 本发明所述小型化滤波集成天线， 通过在现有天线中加入矩形 谐振环使得天线有滤波效果， 提高了天线的滤波特性； 通过地面构成一个反射 器， 使得天线具有定向的效果， 提高了天线的辐射特性。

Claims

权利要求书
一种小型化滤波集成天线， 所述小型化滤波集成天线包括上表面和下 表面， 所述上表面和下表面均印制于介质板上， 其特征在于： 所述上 表面包括第一微带线、 矩形谐振环和第二微带线， 所述矩形谐振环设 置于第一微带线和第二微带线之间； 所述第二微带线上设置有上表面 金属过孔； 所述下表面包括地面、 第三微带线以及第四微带线； 所述 第三微带线的一端设置为漏斗型， 所述第三微带线的另一端设置为矩 形并与所述漏斗型的下部底端连接形成连接部； 所述第四微带线与所 述第三微带线的另一端设置于同一条线上； 所述第四微带线上设置有 与所述上表面金属过孔相匹配的下表面金属过孔； 所述天线的上表面 与下表面通过金属铜柱穿过所述上表面金属过孔和下表面金属过孔相 连， 使得所述第二微带线、 第三微带线以及第四微带线共同构成偶极 子。
如权利要求 1所述的小型化滤波集成天线， 其特征在于， 所述第一微 带线和所述第二微带线均为 "L型"结构， 均包括横端和竖端。
如权利要求 2所述的小型化滤波集成天线， 其特征在于， 所述上表面 金属过孔设置于所述第二微带线的横端远离所述矩形谐振环的端头。 如权利要求 3所述的小型化滤波集成天线， 其特征在于， 所述下表面 金属过孔设置于靠近所述第三微带线连接部的一端且与所述上表面金 属过孔对应的位置。
如权利要求 2所述的小型化滤波集成天线， 其特征在于， 所述第一微 带线的竖端和所述第二微带线的竖端分别与所述矩形谐振环的长边平 行设置， 所述第一微带线的横端和所述第二微带线的横端分别与所述 矩形谐振环的短边平行设置。
如权利要求 2所述的小型化滤波集成天线， 其特征在于， 所述第一微 带线的竖端的长度和所述第二微带线的竖端的长度相同， 且均小于所 述矩形谐振环的长边的长度。
如权利要求 2所述的小型化滤波集成天线， 其特征在于， 所述第一微 带线的横端一端设置于所述介质板的上表面左侧边缘。
[权利要求 8] 如权利要求 2所述的小型化滤波集成天线， 其特征在于， 所述第一微 带线的横端和所述第二微带线的横端宽度均为 w
Figure imgf000010_0001
[权利要求 9] 如权利要求 1所述的小型化滤波集成天线， 其特征在于， 所述第四微 带线的宽度为 w 1=1.75！^^
[权利要求 10] 如权利要求 1-9任一项所述的小型化滤波集成天线， 其特征在于， 所 述介质板的介电常数为 3.66， 厚度为 0.762mm， 材质为 RO4350B。
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