WO2015096670A1 - 一种共振式馈电结构宽带天线 - Google Patents

一种共振式馈电结构宽带天线 Download PDF

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Publication number
WO2015096670A1
WO2015096670A1 PCT/CN2014/094412 CN2014094412W WO2015096670A1 WO 2015096670 A1 WO2015096670 A1 WO 2015096670A1 CN 2014094412 W CN2014094412 W CN 2014094412W WO 2015096670 A1 WO2015096670 A1 WO 2015096670A1
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Prior art keywords
resonant
branch
circuit
capacitor
resonance circuit
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PCT/CN2014/094412
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English (en)
French (fr)
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刘扬
路欣欣
张瑞
徐兆杰
张顺
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刘扬
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Priority to KR1020167003880A priority Critical patent/KR20160031545A/ko
Publication of WO2015096670A1 publication Critical patent/WO2015096670A1/zh

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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/38—Impedance-matching networks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
    • H01Q5/335—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors at the feed, e.g. for impedance matching

Definitions

  • the utility model relates to the field of mobile communication antennas, in particular to a broadband antenna of a resonant feed structure.
  • the mobile phone market has higher and higher bandwidth requirements for mobile phone antennas, and the characteristics that one antenna can cover multiple communication bands at the same time will be favored by the market.
  • the thickness of the mobile phone is getting thinner and thinner, and the internal environment tends to be complicated, resulting in an increasingly smaller available space of the antenna in the mobile phone, which directly affects the broadband index of the antenna.
  • the existing mobile phone antenna includes: an antenna element 1, a connection line, a ground line 3, and a feeder line 4.
  • the antenna element 1 is connected to the ground line 3 and the feeder line 4 through a connection line, so as to cover at the same time.
  • the antenna element 1 is also connected to the ground potential through the capacitor 5, connected to the ground potential through the capacitor 6, and the capacitor 5 and the ground line 3 constitute a low frequency resonant mode, thereby improving the broadband characteristic of the antenna element 1 in the low frequency band, the capacitor 6 and the ground.
  • the line 3 constitutes a high frequency resonant mode to improve the broadband characteristics of the antenna element 1 at a high frequency band.
  • the low frequency resonant mode in Fig. 1 is composed of a capacitor 5 and a grounding line 3.
  • the high frequency resonant mode is composed of a capacitor 6 and a grounding line 3.
  • the low frequency resonant mode and the high frequency resonant mode of the mobile phone antenna of the parallel feeding structure are improved. The bandwidth is limited and the efficiency is low, and the miniaturization of the antenna element cannot be achieved.
  • the utility model provides a broadband antenna with a resonant feeding structure, which solves the problems of limited bandwidth, low efficiency and large size of the antenna component of the existing mobile phone antenna.
  • a resonant feed structure broadband antenna includes: an antenna element, a resonance circuit, a ground line, and a connection line, wherein the antenna element is connected to the ground line through a connection line, and the antenna element passes through a resonance circuit and a connection line and a feed Electrical lines are connected;
  • the resonant circuit includes a first branch resonant circuit and a second branch resonant circuit connected in parallel, the first branch resonant circuit and the ground line constitute a first resonant mode, and the second branch resonant circuit and the ground line form a second resonance mold.
  • the first branch resonant circuit includes a first capacitor and a first inductor connected in series
  • the second branch resonant circuit includes a second capacitor and a second inductor connected in series.
  • the first branch resonance circuit includes a first capacitor and a first inductor connected in series, and the second branch resonance circuit is a connection line.
  • the first branch resonant circuit includes a first capacitor and a first inductor connected in series
  • the second branch resonant circuit includes a second capacitor
  • the first branch resonant circuit includes a first capacitor and a first inductor connected in series
  • the second branch resonant circuit includes a second inductor
  • the first branch resonant circuit includes a first capacitor
  • the second branch resonant circuit includes a second capacitor and a second inductor connected in series.
  • the first branch resonant circuit includes a first inductor
  • the second branch resonant circuit includes a second capacitor and a second inductor connected in series.
  • the first branch resonant circuit is a connection line
  • the second branch resonant circuit includes a second capacitor and a second inductor connected in series.
  • the resonant circuit and the feeding line are on the same plane, and the plane of the antenna element is higher than the plane of the resonant circuit and the feeding line.
  • the antenna element is in the same plane as the resonant circuit and the feed line.
  • the antenna element has a simple structure
  • 1 is a circuit diagram of a conventional broadband antenna
  • FIG. 2 is a circuit block diagram of a broadband antenna of a resonant feed structure according to the present invention
  • FIG. 3 is a circuit diagram of a broadband antenna of a resonant feed structure according to Embodiment 1 of the present invention.
  • FIG. 4 is a circuit diagram of a broadband antenna of a resonant feed structure according to Embodiment 2 of the present invention.
  • FIG. 5 is a circuit diagram of a broadband antenna of a resonant feed structure according to Embodiment 3 of the present invention.
  • FIG. 6 is a circuit diagram of a broadband antenna of a resonant feed structure according to Embodiment 4 of the present invention.
  • FIG. 7 is a circuit diagram of a broadband antenna of a resonant feed structure according to Embodiment 5 of the present invention.
  • FIG. 8 is a circuit diagram of a broadband antenna of a resonant feed structure according to Embodiment 6 of the present invention.
  • FIG. 9 is a circuit diagram of a broadband antenna of a resonant feed structure according to Embodiment 7 of the present invention.
  • the low-frequency resonant mode and the high-frequency resonant mode of the existing mobile phone antenna are realized by a capacitor and a grounding line.
  • This parallel resonant circuit cannot realize miniaturization of the antenna element, and has low efficiency and limited bandwidth.
  • the utility model provides a broadband antenna with a resonant feed structure, which realizes coverage of a plurality of communication frequency bands by a resonance circuit coupled with an antenna element and a ground line, improves bandwidth and efficiency, and realizes miniaturization of the antenna element.
  • the resonant feed structure broadband antenna of the present invention comprises: an antenna element 1, a resonance circuit 2, a ground line 3, and a connection line, and the antenna element 1 is connected to the ground line 3 through a connection line. Then, the antenna element 1 is connected to the feeder line 4 via the resonance circuit 2 and the connection line.
  • the resonance circuit 2 includes a first branch resonance circuit 10 and a second branch resonance circuit 20 connected in parallel, the first branch resonance circuit 10 and the ground line 3 constitute a first resonance mode, and the second branch resonance circuit 20 and the ground line 3 constitute a second The resonant mode, the first resonant mode improves the bandwidth performance of the antenna element in the low frequency band, and the second resonant mode improves the bandwidth performance of the antenna element in the high frequency band.
  • the first branch resonant circuit 10 may include an inductor, or a capacitor, or a combination of an inductor and a capacitor, or a connection line.
  • the second branch resonant circuit 20 may include an inductor, or a capacitor, or a combination of an inductor and a capacitor, or a connection line.
  • the ground line 3 in FIG. 2 is merely illustrative, and the ground line 3 may be a connection line, and may also include a capacitor, or an inductor, or a combination of a capacitor and an inductor.
  • the resonant feed structure broadband antenna of the present invention will be described in detail below through specific embodiments.
  • the first branch resonance circuit 10 includes a first capacitor C L and a first inductor L L connected in series
  • the second branch resonance Circuit 20 includes a second capacitor C H and a second inductor L H connected in series, the other portions of the antenna circuit being identical to the antenna circuit shown in FIG. 2.
  • the first branch resonance circuit 10 includes a first capacitor C L and a first inductor L L connected in series
  • the second branch resonance Circuit 20 is a connection line and the other parts of the antenna circuit are identical to the antenna circuit shown in FIG.
  • the span of the low band bandwidth is debugged by varying the first capacitor C L and the first inductor L L , and the high band bandwidth is determined by the connection line.
  • the first branch resonance circuit 10 includes a first capacitor C L and a first inductor L L connected in series
  • the second branch resonance Circuit 20 includes a second capacitor C H
  • other portions of the antenna circuit are identical to the antenna circuit shown in FIG. 2.
  • the first branch resonance circuit 10 includes a first capacitor C L and a first inductor L L connected in series
  • the second branch resonance The circuit 20 includes a second inductor L H
  • the other portions of the antenna circuit are identical to the antenna circuit shown in FIG. 2.
  • the span of the low band bandwidth is debugged by varying the first capacitor C L and the first inductor L L
  • the span of the high band bandwidth is debugged by varying the second inductor L H .
  • the first branch resonance circuit 10 includes a first capacitor C L
  • the second branch resonance circuit 20 includes a second capacitor C connected in series. H and the second inductor L H , the other parts of the antenna circuit are the same as the antenna circuit shown in FIG. 2. Span by varying the bandwidth of a low frequency band of the first capacitor C L to debug, the bandwidth of the high frequency variation of the span to debug by the second capacitor C H and the second inductor L H.
  • the first branch resonance circuit 10 includes a first inductor L L
  • the second branch resonance circuit 20 includes a second capacitor connected in series C H and the second inductor L H
  • the other parts of the antenna circuit are the same as the antenna circuit shown in FIG. 2.
  • a first resonant circuit 10 is connected to the branch line
  • a second branch circuit 20 includes a second resonance capacitor C H are connected in series and
  • the two inductors L H the other parts of the antenna circuit are identical to the antenna circuits shown in FIG. 2.
  • the low band bandwidth is determined by the connection line, and the span of the high band bandwidth is debugged by varying the second capacitor C H and the second inductor L H .
  • the first branching resonant circuit 10 and the second branching resonant circuit 20 are connected in parallel and coupled to the antenna element and the grounding line.
  • the first branching resonant circuit 10 and the grounding line 3 constitute a first resonant mode
  • the second The branch resonance circuit 20 and the ground line 3 constitute a second resonance mode
  • a resonance mode composed of a capacitor, an inductor, and a ground line can effectively increase the bandwidth, and the feed circuit according to the present invention can realize miniaturization of the antenna element.
  • the antenna circuit layout of all the above embodiments is spatially distributed, and the resonant circuit 2 and the feed line 4 are on the same plane.
  • the resonant circuit 2 and the feed line 4 are on the plane of the handset circuit board.
  • the antenna element 1 and the resonant circuit 2 and the feed line 4 may be on the same plane, or the plane of the antenna element 1 may be higher than the plane of the resonant circuit 2 and the feed line 4.
  • the position of the connection line can be connected at any point of the antenna element according to the requirements of the antenna index.
  • the resonance circuit of the broadband antenna of the resonant feed structure of the present invention includes a first branch resonance circuit and a second branch resonance circuit to improve the bandwidth of the low frequency band and the high frequency band of the antenna circuit.
  • a first branch resonance circuit and a second branch resonance circuit to improve the bandwidth of the low frequency band and the high frequency band of the antenna circuit.
  • the resonant circuit can also be modified.
  • the resonant circuit can also include more parallel connected branch resonant circuits to increase the bandwidth in the corresponding frequency band.
  • the resonant type feed structure broadband antenna circuit of the utility model has a simple structure, improves the broadband performance of the antenna element in the low frequency band through the first branch resonance circuit, improves the broadband performance of the antenna element in the high frequency band through the second branch resonance circuit, and improves the bandwidth And efficiency, while miniaturizing the antenna element.

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Abstract

本实用新型提出了一种共振式馈电结构宽带天线，包括：天线元件、共振电路、接地线路和连接线路，所述天线元件通过连接线路与所述接地线路连接，所述天线元件通过共振电路和连接线路与馈电线路相连接；所述共振电路包括并联连接的第一分支共振电路和第二分支共振电路，第一分支共振电路和所述接地线路组成第一共振模，第二分支共振电路和所述接地线路组成第二共振模。本实用新型的共振式馈电结构宽带天线电路结构简单，提高了带宽和效率，同时实现了天线元件的小型化。

Description

一种共振式馈电结构宽带天线 技术领域
本实用新型涉及移动通信天线领域，特别涉及一种共振式馈电结构宽带天线。
背景技术
随着4G LTE通信时代的到来，手机市场对手机天线的带宽要求越来越高，一个天线可以同时覆盖多个通信频段的特性将倍受市场青睐。然而，为满足现代手机对结构美观的要求，手机厚度越来越薄，内部环境趋于复杂化，导致天线在手机里的可利用空间越来越小，直接影响天线的宽带指标。
如图1所示，现有的手机天线包括：天线元件1、连接线路、接地线路3和馈电线路4，天线元件1通过连接线路连接到接地线路3和馈电线路4，为同时覆盖多个通信频段，天线元件1还通过电容器5连接到地电位、通过电容器6连接到地电位，电容器5和接地线路3组成低频共振模，提高天线元件1在低频段的宽带特性，电容器6和接地线路3组成高频共振模，提高天线元件1在高频段的宽带特性。
图1中的低频共振模由电容器5和接地线路3组成，高频共振模由电容器6和接地线路3组成，这种并联式馈电结构的手机天线的低频共振模和高频共振模提高的带宽有限，而且效率低，无法实现天线元件的小型化。
实用新型内容
本实用新型提出一种共振式馈电结构宽带天线，解决了现有的手机天线带宽有限、效率低和天线元件体积大的问题。
本实用新型的技术方案是这样实现的：
一种共振式馈电结构宽带天线，包括：天线元件、共振电路、接地线路和连接线路，所述天线元件通过连接线路与所述接地线路连接，所述天线元件通过共振电路和连接线路与馈电线路相连接；
所述共振电路包括并联连接的第一分支共振电路和第二分支共振电路，第一分支共振电路和所述接地线路组成第一共振模，第二分支共振电路和所述接地线路组成第二共振模。
可选地，所述第一分支共振电路包括串联连接的第一电容器和第一电感器，所述第二分支共振电路包括串联连接的第二电容器和第二电感器。
可选地，所述第一分支共振电路包括串联连接的第一电容器和第一电感器，所述第二分支共振电路为连接线路。
可选地，所述第一分支共振电路包括串联连接的第一电容器和第一电感器，所述第二分支共振电路包括第二电容器。
可选地，所述第一分支共振电路包括串联连接的第一电容器和第一电感器，第二分支共振电路包括第二电感器。
可选地，所述第一分支共振电路包括第一电容器，第二分支共振电路包括串联连接的第二电容器和第二电感器。
可选地，所述第一分支共振电路包括第一电感器，第二分支共振电路包括串联连接的第二电容器和第二电感器。
可选地，所述第一分支共振电路为连接线路，第二分支共振电路包括串联连接的第二电容器和第二电感器。
可选地，所述共振电路和馈电线路在同一平面上，所述天线元件所在平面高于共振电路和馈电线路所在平面。
可选地，所述天线元件与共振电路和馈电线路位于同一平面。
本实用新型的有益效果是：
(1)天线元件结构简单；
(2)通过第一分支共振电路提高天线元件在低频段的宽带性能，通过第二分支共振电路提高天线元件在高频段的宽带性能，提高了带宽和效率；
(3)实现了天线元件的小型化。
附图说明
为了更清楚地说明本实用新型实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为现有的宽带天线的电路图；
图2为本实用新型一种共振式馈电结构宽带天线的电路框图；
图3为本实用新型实施例一的共振式馈电结构宽带天线的电路图；
图4为本实用新型实施例二的共振式馈电结构宽带天线的电路图；
图5为本实用新型实施例三的共振式馈电结构宽带天线的电路图；
图6为本实用新型实施例四的共振式馈电结构宽带天线的电路图；
图7为本实用新型实施例五的共振式馈电结构宽带天线的电路图；
图8为本实用新型实施例六的共振式馈电结构宽带天线的电路图；
图9为本实用新型实施例七的共振式馈电结构宽带天线的电路图。
具体实施方式
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。
现有的手机天线其低频共振模和高频共振模由电容器和接地线路实现，这种并联式共振电路无法实现天线元件的小型化，而且效率低，带宽有限。
本实用新型提出了一种共振式馈电结构宽带天线，通过与天线元件和接地线路耦接的共振电路实现多个通信频带的覆盖，提高了带宽和效率，实现了天线元件的小型化。
如图2所示，本实用新型的共振式馈电结构宽带天线，包括：天线元件1、共振电路2、接地线路3和连接线路，天线元件1通过连接线路与接地线路3连 接，天线元件1通过共振电路2和连接线路与馈电线路4相连接。共振电路2包括并联连接的第一分支共振电路10和第二分支共振电路20，第一分支共振电路10和接地线路3组成第一共振模，第二分支共振电路20和接地线路3组成第二共振模，第一共振模提高天线元件在低频段的带宽性能，第二共振模提高天线元件在高频段的带宽性能。
第一分支共振电路10可以包括电感器，或者电容器，或者电感器和电容器的组合，或者是连接线路。第二分支共振电路20可以包括电感器，或者电容器，或者电感器和电容器的组合，或者是连接线路。
图2中的接地线路3仅为示意性的，接地线路3可以是连接线路，还可以包括电容器、或者电感器、或者电容器和电感器的组合。
下面通过具体实施例对本实用新型的共振式馈电结构宽带天线进行详细说明。
实施例一
如图3所示，本实用新型实施例一的一种共振式馈电结构宽带天线，第一分支共振电路10包括串联连接的第一电容器CL和第一电感器LL，第二分支共振电路20包括串联连接的第二电容器CH和第二电感器LH，天线电路的其他部分与图2中所示天线电路相同。低频段带宽的跨度通过变化第一电容器CL和第一电感器LL来调试，高频段带宽的跨度通过变化第二电容器CH和第二电感器LH来调试。
实施例二
如图4所示，本实用新型实施例二的一种共振式馈电结构宽带天线，第一分支共振电路10包括串联连接的第一电容器CL和第一电感器LL，第二分支共振电路20为连接线路，天线电路的其他部分与图2中所示天线电路相同。低频段带宽的跨度通过变化第一电容器CL和第一电感器LL来调试，高频段带宽由连接线路决定。
实施例三
如图5所示，本实用新型实施例三的一种共振式馈电结构宽带天线，第一分支共振电路10包括串联连接的第一电容器CL和第一电感器LL，第二分支共 振电路20包括第二电容器CH，天线电路的其他部分与图2中所示天线电路相同。低频段带宽的跨度通过变化第一电容器CL和第一电感器LL来调试，高频段带宽的跨度通过变化第二电容器CH来调试。
实施例四
如图6所示，本实用新型实施例四的一种共振式馈电结构宽带天线，第一分支共振电路10包括串联连接的第一电容器CL和第一电感器LL，第二分支共振电路20包括第二电感器LH，天线电路的其他部分与图2中所示天线电路相同。低频段带宽的跨度通过变化第一电容器CL和第一电感器LL来调试，高频段带宽的跨度通过变化第二电感器LH来调试。
实施例五
如图7所示，本实用新型实施例五的一种共振式馈电结构宽带天线，第一分支共振电路10包括第一电容器CL，第二分支共振电路20包括串联连接的第二电容器CH和第二电感器LH，天线电路的其他部分与图2中所示天线电路相同。低频段带宽的跨度通过变化第一电容器CL来调试，高频段带宽的跨度通过变化第二电容器CH和第二电感器LH来调试。
实施例六
如图8所示，本实用新型实施例六的一种共振式馈电结构宽带天线，第一分支共振电路10包括第一电感器LL，第二分支共振电路20包括串联连接的第二电容器CH和第二电感器LH，天线电路的其他部分与图2中所示天线电路相同。低频段带宽的跨度通过变化第一电感器LL来调试，高频段带宽的跨度通过变化第二电容器CH和第二电感器LH来调试。
实施例七
如图9所示，本实用新型实施例七的一种共振式馈电结构宽带天线，第一分支共振电路10为连接线路，第二分支共振电路20包括串联连接的第二电容器CH和第二电感器LH，天线电路的其他部分与图2中所示天线电路相同。低频段带宽由连接线路决定，高频段带宽的跨度通过变化第二电容器CH和第二电感器LH来调试。
上述实施例一至七为优选实施例，本领域技术人员根据本实用新型的教导 还可以对第一分支共振电路10和第二分支共振电路20进行其他方式的组合，这里不再赘述。
上述实施例一至七中，第一分支共振电路10和第二分支共振电路20并联连接且与天线元件和接地线路耦接，第一分支共振电路10和接地线路3组成第一共振模，第二分支共振电路20和接地线路3组成第二共振模，由电容器、电感器和接地线路组成的共振模能够有效提高带宽，而且，根据本实用新型的馈电电路能够实现天线元件的小型化。
上述所有实施例的天线电路布图空间分布，共振电路2和馈电线路4在同一平面上，优选地，共振电路2和馈电线路4同在手机电路板平面上。天线元件1与共振电路2和馈电线路4可以在同一平面上，或者，天线元件1所在平面高于共振电路2和馈电线路4所在平面。
上述所有实施例中，连接线路的位置可以根据天线指标的要求，在天线元件的任一点进行连接。
本实用新型的共振式馈电结构宽带天线的共振电路包括第一分支共振电路和第二分支共振电路，以提高天线电路低频段和高频段的带宽，当然，本领域技术人员根据本实用新型的教导，还可以对共振电路进行改进，共振电路还可以包括更多的并联连接的分支共振电路，以提高在相应频段的带宽。
本实用新型的共振式馈电结构宽带天线电路结构简单，通过第一分支共振电路提高天线元件在低频段的宽带性能，通过第二分支共振电路提高天线元件在高频段的宽带性能，提高了带宽和效率，同时实现了天线元件的小型化。
以上所述仅为本实用新型的较佳实施例而已，并不用以限制本实用新型，凡在本实用新型的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本实用新型的保护范围之内。

Claims (10)

  1. 一种共振式馈电结构宽带天线，其特征在于，包括：天线元件、共振电路、接地线路和连接线路，所述天线元件通过连接线路与所述接地线路连接，所述天线元件通过共振电路和连接线路与馈电线路相连接；
    所述共振电路包括并联连接的第一分支共振电路和第二分支共振电路，第一分支共振电路和所述接地线路组成第一共振模，第二分支共振电路和所述接地线路组成第二共振模。
  2. 如权利要求1所述的共振式馈电结构宽带天线，其特征在于，所述第一分支共振电路包括串联连接的第一电容器和第一电感器，所述第二分支共振电路包括串联连接的第二电容器和第二电感器。
  3. 如权利要求1所述的共振式馈电结构宽带天线，其特征在于，所述第一分支共振电路包括串联连接的第一电容器和第一电感器，所述第二分支共振电路为连接线路。
  4. 如权利要求1所述的共振式馈电结构宽带天线，其特征在于，所述第一分支共振电路包括串联连接的第一电容器和第一电感器，所述第二分支共振电路包括第二电容器。
  5. 如权利要求1所述的共振式馈电结构宽带天线，其特征在于，所述第一分支共振电路包括串联连接的第一电容器和第一电感器，所述第二分支共振电路包括第二电感器。
  6. 如权利要求1所述的共振式馈电结构宽带天线，其特征在于，所述第一分支共振电路包括第一电容器，所述第二分支共振电路包括串联连接的第二电容器和第二电感器。
  7. 如权利要求1所述的共振式馈电结构宽带天线，其特征在于，所述第一分支共振电路包括第一电感器，所述第二分支共振电路包括串联连接的第二电容器和第二电感器。
  8. 如权利要求1所述的共振式馈电结构宽带天线，其特征在于，所述第一分支共振电路为连接线路，所述第二分支共振电路包括串联连接的第二电容器和第二电感器。
  9. 如权利要求1至8任一项所述的共振式馈电结构宽带天线，其特征在于， 所述共振电路和馈电线路在同一平面上，所述天线元件所在平面高于共振电路和馈电线路所在平面。
  10. 如权利要求1至8任一项所述的共振式馈电结构宽带天线，其特征在于，所述天线元件与共振电路和馈电线路位于同一平面。
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0795922A1 (en) * 1996-03-11 1997-09-17 Murata Manufacturing Co., Ltd. Matching circuit and antenna apparatus
CN101582533A (zh) * 2008-05-12 2009-11-18 索尼爱立信移动通信日本株式会社 天线装置和通信终端
JP5234094B2 (ja) * 2010-12-02 2013-07-10 Ｔｄｋ株式会社 アンテナ装置
CN203733941U (zh) * 2013-12-26 2014-07-23 刘扬 一种共振式馈电结构宽带天线

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0795922A1 (en) * 1996-03-11 1997-09-17 Murata Manufacturing Co., Ltd. Matching circuit and antenna apparatus
CN101582533A (zh) * 2008-05-12 2009-11-18 索尼爱立信移动通信日本株式会社 天线装置和通信终端
JP5234094B2 (ja) * 2010-12-02 2013-07-10 Ｔｄｋ株式会社 アンテナ装置
CN203733941U (zh) * 2013-12-26 2014-07-23 刘扬 一种共振式馈电结构宽带天线

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