CN101501925A - 具有集成式低噪声放大器的小型卫星通信天线 - Google Patents
具有集成式低噪声放大器的小型卫星通信天线 Download PDFInfo
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- CN101501925A CN101501925A CNA2007800291240A CN200780029124A CN101501925A CN 101501925 A CN101501925 A CN 101501925A CN A2007800291240 A CNA2007800291240 A CN A2007800291240A CN 200780029124 A CN200780029124 A CN 200780029124A CN 101501925 A CN101501925 A CN 101501925A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
- H01Q1/084—Pivotable antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
- H01Q1/085—Flexible aerials; Whip aerials with a resilient base
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/247—Supports; Mounting means by structural association with other equipment or articles with receiving set with frequency mixer, e.g. for direct satellite reception or Doppler radar
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
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- Details Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radio Relay Systems (AREA)
- Waveguide Aerials (AREA)
- Support Of Aerials (AREA)
Abstract
本发明提供一种具有集成于辐射器体中的低噪声放大器的小型卫星通信天线,所述辐射器体可安装到手持式卫星无线电且可相对于所述无线电活节连接以采取多种位置以用于与地球同步卫星进行通信。
Description
技术领域
本发明涉及卫星通信(SATCOM)天线,且更明确地说涉及一种具有集成低噪声放大器(LAN)的小型卫星通信天线,所述集成低噪声放大器可直接连接到卫星无线电且活节连接到多种位置。
背景技术
手持式及其它类型的卫星无线电需要天线来传输及接收信号,且必须具有充足增益以与地球同步卫星通信。先前已开发出大量适合的天线,但大多数天线相对庞大且笨重,必须将其从容器、背包等中卸载且然后展开使用。在众多情形中,时间极其重要且需要“在行动中”通信而不停下来以组装用于无线电的天线。此外,在手持式无线电的情况中,如果在行动中使用,那么天线必须是小型且重量轻以不干扰无线电的操作或运输。
通常采用低噪声放大器来增强接收性能,同时减少带外干扰并实现高动态范围。低噪声放大器是有源装置且需要DC功率。当集成于天线内时,通过无线电供电及开关低噪声放大器。低噪声放大器通过克服在低噪声放大器后出现的系统损耗而在系统噪声系数方面改善串联系统的性能。
发明内容
本发明是针对一种具有集成于辐射器体中的低噪声放大器的小型卫星通信天线,所述辐射器体可安装到手持式卫星无线电且相对于所述无线电活节连接以采取多种位置以用于与地球同步卫星进行通信。
优选地,本发明的天线是偶极天线,其包含:适于连接到卫星无线电的耦合器;顶部辐射器区段;及底部辐射器区段,其包括外壳及在所述耦合器与所述底部辐射器区段之间延伸的连杆。优选地,通过螺纹连接将所述顶部辐射器区段连接到所述底部辐射器区段,以便可根据需要将所述两个区段拆开。所述底部辐射器区段的外壳封入并入有低噪声放大器的印刷电路板。
优选地,所述连杆是鹅颈形或其它长度的挠性导体等,所述连杆可相对于其与所述耦合器的连接点容易地在宽广的位置范围内移动。此准许所述无线电操作者活节连接所述底部辐射器区段且因此所述顶部辐射器区段以与将用于通信的卫星成偏振对准。
附图说明
结合附图参考上述说明,将进一步明了本发明的当前优选实施例的结构、操作及优点,其中:
图1是到本发明的卫星通信天线的手持式无线电连接的正视图,其中以虚线及实线显示所述天线的活节连接;
图2是天线的耦合器及底部辐射器区段的截面图;
图3是图2中以截面图形式所描绘的底部辐射器区段的一部分的放大视图;及
图4是大致沿图3的线4-4所截取的截面图;
具体实施方式
首先参照图1,其显示通过耦合器14将本发明的卫星通信天线10连接到手持式无线电12。优选地,天线10是偶极天线,其具有顶部辐射器区段16及由电路板外壳20及连杆22形成的底部辐射器区段18。优选地,连杆22是鹅颈形或其它形式的易弯曲长度的金属或相似挠性导体,所述连杆可移动到特定位置且保持不动直到被再次移动。图1中部分地图解说明连杆22的活节连接的程度,其中以实线及假想线两者描绘天线10。应了解,连杆22还可移进或移出用于描绘图1的纸张的平面,如果需要,还可朝向无线电12移动。此外,如本文所使用,术语“顶部”、“底部”、“内部”及“外部”是指本发明的元件在图中其所显示的定向上的位置及/或方向。
如图2中最佳所见,耦合器14包括彼此轴向对准且耦合到同轴电缆28一端的连接器24及平衡不平衡变换器26。优选地,连接器24是一螺纹尼尔-康塞曼(threadedNeill-Concelman)(TNC)连接器或适于将所述同轴电缆耦合到无线电12的其它连接器。为形成耦合器14,将连杆22的一端放置成与连接器24及平衡不平衡变换器26轴向对准,且然后将所有三个组件包封于由环氧树脂或其它适当材料形成的非导电体30内,可将所述材料倾倒或注射到所述组件上且此后经固化以形成确保连杆22与连接器24对准的硬化结构。然后通过优选地呈一层或多层弹性材料(例如,橡胶等)形式的包裹物32覆盖体30。
现参照图3及图4,其详细显示天线10的底部辐射器区段18的电路板外壳20。外壳20包括壳体34,其优选地形成为沿其纵轴切成两半的圆柱体的形状,从而界定图3中所描绘的一个半区段及盖(未显示)。通过螺钉36将盖连接到图3中所示位置中的壳体34的另一半。壳体34的两个半体界定侧壁38、对置端壁40及42以及自端壁40向外突出的圆柱形延伸部44。(例如)通过卷边等将延伸部44连接到连杆22的一端。
在当前优选实施例中,以图4中所示的位置将印刷电路板46安装于壳体34内。印刷电路板46的一端连接到端壁40,且其对置端延伸过端壁42而与形成于圆锥形导体螺母50内的凹槽啮合,螺母50具有带内螺纹的孔52。同轴电缆28从耦合器14延伸穿过中空连杆22且在端壁40附近连接到印刷电路板46。如图4中示意性描绘,印刷电路板46包括低噪声放大器54,其因此集成于天线10的底部辐射器区段18中。
优选地,将壳体34且因此印刷电路板46以及螺母50和连杆22的一部分包封于具有与上述体30相同材料的导电体56内。首先,组装外壳20的壳体34的两个半体,且将由塑料等形成的套筒58滑套于圆锥形导电螺母50的内部端上。当将环氧树脂倾倒于壳体34及螺母50上时,套筒58防止环氧树脂进入壳体34内部并污染印刷电路板46。一旦环氧树脂固化而形成非导电体56,与包裹物32相同类型的包裹物60将覆盖体56且与连杆22及螺母50两者啮合。壳体34、体56及包裹物60共同形成印刷电路板46的外壳20。
顶部辐射器区段16形成有螺纹延伸部(未显示),所述延伸部被接纳于螺母50的螺纹孔52内以将两个辐射器区段16及18连接在一起。此形成如图1中所图解说明的完整天线10。通过耦合器14将天线10连接到无线电12,实质上可将天线10移动到无限个位置以使其与所感兴趣的卫星对准。由于低噪声放大器54被集成于天线10的底部辐射器区段18中,因此减小传输线路损耗。无线电12供应12伏特DC以既开关亦供电低噪声放大器54。
Claims (6)
1、一种用于与卫星无线电一起使用的天线,其包含:
耦合器,其包括适于连接到无线电的连接器及平衡不平衡变换器;
第一辐射器区段,其具有外壳及连接在所述耦合器与所述外壳之间的连杆,所述外壳内安装有包括低噪声放大器的印刷电路板;
第二辐射器区段,其连接到所述第一辐射器区段,所述连杆准许相对于所述耦合器活节连接所述第一辐射器区段及所述第二辐射器区段;
同轴电缆,其在一端耦合到所述连接器且耦合到所述耦合器的所述平衡不平衡变换器,且在对置端耦合到所述第一辐射器区段的所述印刷电路板。
2、如权利要求1所述的天线,其中所述连接器、所述平衡不平衡变换器及所述连杆的一端彼此轴向对准且共同嵌入于非导电体内,所述非导电体由保护性材料包裹以形成所述耦合器。
3、如权利要求1所述的天线,其中所述连杆是挠性导体。
4、如权利要求1所述的天线,其中所述第一辐射器区段的所述外壳包括底座,所述第二辐射器区段可拆卸地耦合到所述底座。
5、如权利要求4所述的天线,其进一步包括环绕所述底座的一部分的套筒及支撑所述印刷电路板的壳体,所述套筒、所述壳体及所述连杆的一端的一部分由非导电体包封,所述非导电体由保护性材料包裹。
6、如权利要求4所述的天线,其中所述底座连接到所述印刷电路板。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/462,398 | 2006-08-04 | ||
US11/462,398 US7439920B2 (en) | 2006-08-04 | 2006-08-04 | Compact SATCOM antenna with integrated LNA |
Publications (1)
Publication Number | Publication Date |
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CN101501925A true CN101501925A (zh) | 2009-08-05 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNA2007800291240A Pending CN101501925A (zh) | 2006-08-04 | 2007-08-01 | 具有集成式低噪声放大器的小型卫星通信天线 |
Country Status (10)
Country | Link |
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US (1) | US7439920B2 (zh) |
EP (1) | EP2054968A1 (zh) |
JP (1) | JP2009545933A (zh) |
KR (1) | KR20090038468A (zh) |
CN (1) | CN101501925A (zh) |
CA (1) | CA2659624A1 (zh) |
IL (1) | IL196721A0 (zh) |
NO (1) | NO20090785L (zh) |
TW (1) | TW200822449A (zh) |
WO (1) | WO2008019269A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016145791A1 (zh) * | 2015-03-18 | 2016-09-22 | 常州春水堂商贸有限公司 | 一种天线保护装置 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8866696B2 (en) * | 2007-12-17 | 2014-10-21 | Armen E. Kazanchian | Antenna with integrated RF module |
US9054416B2 (en) * | 2010-09-20 | 2015-06-09 | Associated Universities, Inc. | Inverted conical sinuous antenna above a ground plane |
CN102139769B (zh) * | 2011-02-21 | 2013-03-27 | 哈尔滨工业大学 | 基于自组织cmac的挠性卫星快速稳定控制方法 |
US8791871B2 (en) | 2011-04-21 | 2014-07-29 | R.A. Miller Industries, Inc. | Open slot trap for a dipole antenna |
CN111769351A (zh) * | 2020-05-13 | 2020-10-13 | 上海臻卞通信电子有限责任公司 | 一种宽波束手持卫星天线 |
US11799212B2 (en) * | 2021-10-04 | 2023-10-24 | Mirach Sas Di Annamaria Saveri & C. | Collinear antenna array |
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JPH06310337A (ja) | 1993-04-23 | 1994-11-04 | Murata Mfg Co Ltd | アンテナコネクタ |
US5850612A (en) | 1995-10-03 | 1998-12-15 | Qualcomm Incorporated | Multi-axis vertically corrected antenna for handheld wireless communications devices |
GB2306056B (en) | 1995-10-06 | 1999-12-08 | Nokia Mobile Phones Ltd | Antenna |
US6320549B1 (en) * | 1999-03-31 | 2001-11-20 | Qualcomm Inc. | Compact dual mode integrated antenna system for terrestrial cellular and satellite telecommunications |
US7173576B2 (en) * | 2004-07-28 | 2007-02-06 | Skycross, Inc. | Handset quadrifilar helical antenna mechanical structures |
US7339542B2 (en) * | 2005-12-12 | 2008-03-04 | First Rf Corporation | Ultra-broadband antenna system combining an asymmetrical dipole and a biconical dipole to form a monopole |
-
2006
- 2006-08-04 US US11/462,398 patent/US7439920B2/en active Active
-
2007
- 2007-08-01 CA CA002659624A patent/CA2659624A1/en not_active Abandoned
- 2007-08-01 CN CNA2007800291240A patent/CN101501925A/zh active Pending
- 2007-08-01 EP EP07799968A patent/EP2054968A1/en not_active Withdrawn
- 2007-08-01 WO PCT/US2007/074964 patent/WO2008019269A1/en active Application Filing
- 2007-08-01 KR KR1020097003806A patent/KR20090038468A/ko not_active Application Discontinuation
- 2007-08-01 JP JP2009523037A patent/JP2009545933A/ja not_active Withdrawn
- 2007-08-03 TW TW096128729A patent/TW200822449A/zh unknown
-
2009
- 2009-01-26 IL IL196721A patent/IL196721A0/en unknown
- 2009-02-18 NO NO20090785A patent/NO20090785L/no not_active Application Discontinuation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016145791A1 (zh) * | 2015-03-18 | 2016-09-22 | 常州春水堂商贸有限公司 | 一种天线保护装置 |
Also Published As
Publication number | Publication date |
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WO2008019269A1 (en) | 2008-02-14 |
EP2054968A1 (en) | 2009-05-06 |
TW200822449A (en) | 2008-05-16 |
CA2659624A1 (en) | 2008-02-14 |
IL196721A0 (en) | 2009-11-18 |
US20080030408A1 (en) | 2008-02-07 |
JP2009545933A (ja) | 2009-12-24 |
NO20090785L (no) | 2009-04-29 |
KR20090038468A (ko) | 2009-04-20 |
US7439920B2 (en) | 2008-10-21 |
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