WO2018188303A1 - 滤波集成天线 - Google Patents

滤波集成天线 Download PDF

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Publication number
WO2018188303A1
WO2018188303A1 PCT/CN2017/107195 CN2017107195W WO2018188303A1 WO 2018188303 A1 WO2018188303 A1 WO 2018188303A1 CN 2017107195 W CN2017107195 W CN 2017107195W WO 2018188303 A1 WO2018188303 A1 WO 2018188303A1
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WO
WIPO (PCT)
Prior art keywords
microstrip line
antenna
filter integrated
integrated antenna
disposed
Prior art date
Application number
PCT/CN2017/107195
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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 WO2018188303A1 publication Critical patent/WO2018188303A1/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them

Definitions

  • the present invention relates to the field of radio frequency microwave communication technologies, and in particular, to a 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, filtering characteristics and signal matching to form a filter antenna.
  • the main object of the present invention is to provide a filter integrated antenna, which aims to solve the technical problem that the existing filter integrated antenna cannot ensure good radiation characteristics, filtering characteristics and signal matching.
  • the present invention provides a filter integrated antenna
  • the filter integrated antenna includes an upper surface and a lower surface, and the upper surface and the lower surface are both printed on a dielectric board, the upper surface
  • the first microstrip line, the rectangular resonant ring, and the second microstrip line are disposed, the rectangular resonant ring is disposed between the first microstrip line and the second microstrip line; and the second microstrip line is provided with an upper surface Metal via;
  • 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 type to form a connecting portion, the connecting portion is provided with a triangular notch; the fourth microstrip line and the other end of the third microstrip line are disposed on the same line; a fourth microstrip line is provided with the upper surface gold a subsurface metal via that matches the 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 filter integrated antenna of the present invention adopts the above technical solution, and achieves the following technical effects:
  • the filter integrated antenna of the present invention by adding a rectangular resonant ring to the existing antenna to make the antenna
  • the filtering effect improves the filtering characteristics of the antenna;
  • the reflector is formed on the ground, so that the antenna has an orientation effect, and the radiation characteristic of the antenna is improved; and the antenna gain is further improved by adding a guide on the other side of the dipole.
  • the signal matching degree is improved.
  • FIG. 1 is a schematic diagram showing the upper surface geometry and size of a preferred embodiment of the filter integrated antenna of the present invention
  • FIG. 2 is a schematic diagram showing the lower surface geometry and size of a preferred embodiment of the filter integrated antenna of the present invention
  • 3 is a reflection coefficient and gain effect diagram of simulation and testing of a preferred embodiment of the filter integrated antenna of the present invention
  • FIG. 4 is a schematic diagram of simulation and testing of a preferred embodiment of a filter integrated antenna of the present invention.
  • FIG. 1 is a schematic view showing the upper surface geometry and size of a preferred embodiment of the filter integrated antenna of the present invention
  • FIG. 2 is a lower surface geometric structure of a preferred embodiment of the filter integrated antenna of the present invention.
  • the filter integrated antenna is printed on a dielectric board 00, and the 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 0.762 mm, and a material of preferably RO4350B.
  • the upper surface of the 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 microstrip line 10 and between the second microstrip line 12.
  • 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, the length of the vertical end of the first microstrip line 10 and 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 end of the second microstrip line 12 The length is the same.
  • the lateral ends of the first microstrip line 10 and the lateral ends of the second microstrip line 12 are respectively disposed in parallel with the short sides of the rectangular resonance ring 11.
  • 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 00.
  • 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 passes through the upper surface metal via 1 through a metal copper pillar 3 Connect to the lower surface of the antenna (see below).
  • 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 1 ⁇
  • 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 distance between the outer diameter of the rectangular 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 close to the first
  • the distance between the outer diameter of the long side of the second 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 1 a
  • the distance between the inner diameters of the two long sides of the rectangular resonant ring 11 For w d .
  • the lower surface of the filter integrated antenna includes a ground 20, a third microstrip line 21, and a fourth microstrip line 22.
  • 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 type 211 to form a connecting portion, and the connecting portion is provided with a triangular notch 213 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.
  • the fourth microstrip line 22 and the third microstrip line 21 are different. One end is set on the same line.
  • the fourth microstrip line 22 is adjacent to one end of the third microstrip line 21 connecting portion and is provided with a lower surface metal via 24 corresponding to the lateral end port position of the second microstrip line 12.
  • the fourth microstrip line 2 2 has a width w i .
  • 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 embodiment of the present invention makes the antenna have a good filtering effect by adding a rectangular resonant ring to the existing antenna; forming a reflector through the ground, so that the antenna has an directional effect and has good radiation characteristics;
  • the connection portion of the microstrip line is provided with a triangular notch, which improves the matching degree of the signal.
  • Table 1 is a parameter value of a preferred embodiment of the filter integrated antenna of the present invention.
  • Table 1 of the present invention filter integrated antenna preferred embodiment parameter values [] [Table i]
  • FIG. 3 is a graph showing the reflection coefficient and gain effect of the simulation and test of the preferred embodiment of the filter integrated antenna of the present invention.
  • the preferred embodiment uses the parameter values shown in Table 1. It can be seen from the simulation and measured results of Fig. 3 that the reflection coefficient IS11I of the filter integrated antenna of the present invention has two resonance frequency points, respectively oscillating at 2.35 GHz and 2.45 GHz. This is because the utility model integrates a rectangular resonant ring on the basis of the existing antenna, which is equivalent to integrating a dual-mode high-selectivity filter. Due to the different values of the odd-even mode, the antenna can resonate at two frequencies. , reflects the 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 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 orientation effect in the y direction, which embodies good radiation characteristics.
  • the filter integrated antenna of the present invention adopts the above technical solution, and achieves the following technical effects:
  • the filter integrated antenna of the present invention by adding a rectangular resonant ring to the existing antenna to make the antenna Filtering effect, improving the filtering characteristics of the antenna; forming a reflector through the ground,
  • the antenna has an orientation effect, and the radiation characteristic of the antenna is improved; the antenna gain is further improved by adding a guide on the other side of the dipole; and the signal is improved by providing a triangular notch at the connection portion of the third microstrip line.
  • the degree of matching is provided.

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Abstract

本实用新型公开一种滤波集成天线。该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。本实用新型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；通过在第三微带线的连接部设置三角形缺口，提高了信号的匹配度。

Description

滤波集成天线
技术领域
[0001] 本实用新型涉及射频微波通信技术领域， 尤其涉及一种滤波集成天线。
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、 滤波特性以及信号 匹配， 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、 滤波特性以及信号 匹配。
技术问题
[0004] 本实用新型的主要目的提供一种滤波集成天线， 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、 滤波特性以及信号匹配的技术问题。
问题的解决方案
技术解决方案
[0005] 为实现上述目的， 本实用新型提供了一种滤波集成天线， 所述滤波集成天线包 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， 所述连接部设置有三角形缺口； 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。
发明的有益效果
有益效果
[0014] 相较于现有技术， 本实用新型所述滤波集成天线采用上述技术方案， 达到了如 下技术效果： 本实用新型所述滤波集成天线， 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； 通过在偶极子的另一侧添 加导向器， 进一步了提高天线增益； 通过在第三微带线的连接部设置三角形缺 口， 提高了信号的匹配度。
对附图的简要说明
附图说明
[0015] 图 1是本实用新型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； [0016] 图 2是本实用新型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； [0017] 图 3是本实用新型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；
[0018] 图 4为本实用新型滤波集成天线优选实施例的仿真与测试的方向图。
[0019] 本实用新型目的实现、 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
[0020] 为更进一步阐述本实用新型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， 对本实用新型的具体实施方式、 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实用新型， 并不用于限定本实用新型。
[0021] 参照图 1、 图 2所示， 图 1是本实用新型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是本实用新型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。
[0022] 在本实施例中， 所述滤波集成天线印制于介质板 00上， 所述滤波集成天线包括 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。
[0023] 在本实施例中， 所述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 12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 11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 00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 1 3与天线的下表面连接 （详见下述） 。
[0024] 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 1 ε， 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 1 a， 所述矩形谐振环 11的两个长边的内径之间的距离为 w d。
[0025] 参考图 2所示， 所述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， 所述连接部设置有三角形缺口 213， 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 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 2 2的宽度为 w i。
[0026] 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。
[0027] 本实用新型实施例通过在现有天线中加入矩形谐振环使得天线有良好的滤波效 果； 通过地面构成一个反射器， 使得天线具有定向的效果， 具备良好的辐射特 性； 通过在第三微带线的连接部设置三角形缺口， 提高了信号的匹配度。
[0028] 下面结合具体实施例来说明本实用新型滤波集成天线的技术效果。 参照表 1所 示， 表 1为本实用新型滤波集成天线优选实施例参数值。
[0029] 表 1本实用新型滤波集成天线优选实施例参数值 [] [表 i]
Figure imgf000007_0001
[]
[0030] 如图 3所示， 图 3是本实用新型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， 本实用新型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。 这是由于本实用新型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。
[0031] 如图 4所示， 图 4为本实用新型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， 本实用新型的天线在 y 方向有定向效果， 体现了良好的辐射特性。
[0032] 以上仅为本实用新型的优选实施例， 并非因此限制本实用新型的专利范围， 凡 是利用本实用新型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， 均同理包括在本实用新型的专利保护范围 内。
工业实用性
[0033] 相较于现有技术， 本实用新型所述滤波集成天线采用上述技术方案， 达到了如 下技术效果： 本实用新型所述滤波集成天线， 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； 通过在偶极子的另一侧添 加导向器， 进一步了提高天线增益； 通过在第三微带线的连接部设置三角形缺 口， 提高了信号的匹配度。

Claims

权利要求书
一种滤波集成天线， 所述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， 所述连接部设置有三角形缺口； 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。
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