CN114884533A - 一种大功率t/r组件镜像式布局解决切换端口失配的方法 - Google Patents

一种大功率t/r组件镜像式布局解决切换端口失配的方法 Download PDF

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CN114884533A
CN114884533A CN202210464487.3A CN202210464487A CN114884533A CN 114884533 A CN114884533 A CN 114884533A CN 202210464487 A CN202210464487 A CN 202210464487A CN 114884533 A CN114884533 A CN 114884533A
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胡运德
闫科红
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Beijing Youhang Electromechanical Technology Co ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40Circuits
    • H04B1/401Circuits for selecting or indicating operating mode
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40Circuits
    • H04B1/44Transmit/receive switching
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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Abstract

本发明公开了一种大功率T/R组件镜像式布局解决切换端口失配的方法,该方法采用三个切换组件,分别定义为主选通路,被选通路1端和被选通路2端,主选通路信号的选通端分别对应选择被选通路1端和被选通路2端,采用对称式镜像布局,两个被选通路均对应选择主路和旁路匹配电阻,即被选通路1端分别对应选择主选通路和旁路匹配电阻,被选通路2端分别对应选择主选通路和旁路匹配电阻。本发明既可以满足高速切换又可解决端口失配问题的电路架构方法,以解决大功率T/R组件的高速切换及信号通道选择时引入的电磁兼容的技术问题。

Description

一种大功率T/R组件镜像式布局解决切换端口失配的方法
技术领域
本发明涉及一种镜像式布局解决切换端口失配问题的方法,具体涉及应用于大功率T/R组件收发切换及高频信号通道选择方面。
背景技术
在大功率射频通信领域,高质量的信号传输随着通信频段的提升而得到广泛的重视,产品和设备产生的电磁辐射和电磁敏感度影响也备受关注,在大功率T/R组件的高速切换及信号通道选择时,因端口空载失配而引入的电磁兼容问题日趋严重。
在传统的大功率T/R组件的高速切换及信号通道选择时,信号的主通路只与确定的被选通路互联,达到信号传输的功能,此时未被选通的通路处于空载失配状态,因此类工况引入的电磁兼容问题将影响产品和设备的技战术效能,同时也将对于此相关的系统带来影响。
CN107743686A公开了一种射频(RF)信号开关的实施方式允许单个开关在串联输入路径中同时仍具有将旁路路径与输入匹配网络隔离的能力。其开关应用形式局限于串联插入,特点在多通道选择,此时开关出入和输出端状态不存在失配,采用这种方式可解决多路切换间的相互影响,降低干扰。但是,在1端和3端连通时,2端口状态处于悬空状态,此时如果端口2为无源分立器件,因端口失配会影响连接器件的插入损耗、驻波、隔离度等性能指标。
因此设计了一种既可以满足高速切换又可解决端口失配问题的方法。
发明内容
本发明的目的是提供一种大功率T/R组件镜像式布局解决切换端口失配的方法,既可以满足高速切换又可解决端口失配问题的电路架构方法,以解决大功率T/R组件的高速切换及信号通道选择时引入的电磁兼容的技术问题。
为了实现上述发明目的,本发明所采用的技术方案如下:
一种大功率T/R组件镜像式布局解决切换端口失配的方法,该方法采用三个切换组件,分别定义为主选通路,被选通路1端和被选通路2端,主选通路信号的选通端分别对应选择被选通路1端和被选通路2端,采用对称式镜像布局,两个被选通路均对应选择主路和旁路匹配电阻,即被选通路1端分别对应选择主选通路和旁路匹配电阻,被选通路2端分别对应选择主选通路和旁路匹配电阻。
本发明的优点及积极效果:本发明所述的一种镜像式布局解决切换端口失配问题的方法,通过采用对称式镜像布局保证了切换的一致性,通过交互式切换确保快速响应并准确匹配,而双旁路功能可确保在被选通路1端和被选通路2端均未被选通时端口切至匹配状态。本发明应用于多路输入中选择任意一路输出,或者1路输入选择多路中任意一路输出,在选通一路的时候开关可为其他同路选择匹配网络,避免端口因失配引入的电磁兼容问题。在1端和3端连通时,2端口有匹配网络互连,不影响通路切换也保证了其他链路性能。本方法为大功率T/R组件的高速切换及信号通道选择时解决端口切换引入的失配问题提供了有效可行的解决方案。
附图说明
图1是本方法总体框图。
图2是本方法对称式镜像布局架构。
图3是主选通路连通端口1,端口2匹配至旁路负载。
图4是图3的连通等效图。
图5是主选通路连通端口2,端口1匹配至旁路负载。
图6是图4的连通等效图。
图7是主选通路未确定选择状态时,端口1、2匹配至旁路负载,即双旁路状态。
图8是图7的连通等效图。
具体实施方式
本发明的具体实现方法参见图1到图8所示。一种镜像式布局解决切换端口失配问题的方法,该方法可拆分为三个切换组件,分别定义为主选通路,被选通路1端和被选通路2端,主选通路信号的选通端分别对应被选通路1端和被选通路2端,因采用了对称式镜像布局,两个被选通路均对应主路和旁路匹配电阻,即被选通路1端分别对应主选通路和旁路匹配电阻,被选通路2端分别对应主选通路和旁路匹配电阻。
本发明的工作原理如下:主选通路和被选通路1端连通关系如图3所示,当二极管D1、D3、D6导通,二极管D2、D4、D5截至时,射频信号通路从C到1端口,D1导通而D2截至时,射频信号通过D1传输至D3,此时D3导通而D5截至时,信号即可传输至1端口;而二极管D2、D4截至D6导通时,此时端口2可旁路至50欧姆匹配负载上,达到端口匹配。等效示意如图4所示,切换关系如下表1所示:
主选通路和被选通路2端连通关系如图5所示,当二极管D2、D4、D5导通,二极管D1、D3、D6截至时,射频信号通路从C到2端口,D2导通而D1截至时,射频信号通过D2传输至D4,此时D4导通而D6截至时,信号即可传输至2端口;而二极管D1、D2截至D5导通时,此时端口1可旁路至50欧姆匹配负载上,达到端口匹配。等效示意如图6所示,切换关系如下表2所示:
被选通路1端和被选通路2端双旁路工况关系如图7所示,当二极管D1、D2、D3、D4截至。二极管D5、D6导通时,端口1和端口2均旁路至50欧姆匹配负载上,达到端口匹配。等效示意如图8所示,切换关系如下表3所示:
本方法通过主选通路和被选通路的切换互联关系,给未选通端口匹配负载,达到端口匹配,可解决大功率T/R组件的高速切换及信号通道选择时解决端口切换引入的失配问题。
表1:
C-1工况 D1 D2 D3 D4 D6 D5
导通
截至
表2:
C-2工况 D1 D2 D3 D4 D6 D5
导通
截至
表3:
双旁路工况 D1 D2 D3 D4 D6 D5
导通
截至

Claims (1)

1.一种大功率T/R组件镜像式布局解决切换端口失配的方法,该方法采用三个切换组件,分别定义为主选通路,被选通路1端和被选通路2端,主选通路信号的选通端分别对应选择被选通路1端和被选通路2端,采用对称式镜像布局,两个被选通路均对应选择主路和旁路匹配电阻,即被选通路1端分别对应选择主选通路和旁路匹配电阻,被选通路2端分别对应选择主选通路和旁路匹配电阻。
CN202210464487.3A 2022-04-29 2022-04-29 一种大功率t/r组件镜像式布局解决切换端口失配的方法 Pending CN114884533A (zh)

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