CN106025575A - Antenna system applied to UV frequency band of communication terminal - Google Patents
Antenna system applied to UV frequency band of communication terminal Download PDFInfo
- Publication number
- CN106025575A CN106025575A CN201610508000.1A CN201610508000A CN106025575A CN 106025575 A CN106025575 A CN 106025575A CN 201610508000 A CN201610508000 A CN 201610508000A CN 106025575 A CN106025575 A CN 106025575A
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- CN
- China
- Prior art keywords
- antenna
- matching circuit
- circuit board
- radio
- frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/04—Multimode antennas
-
- 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
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Details Of Aerials (AREA)
Abstract
The invention relates to an antenna system applied to a UV frequency band of a communication terminal. The system comprises a special-purpose hand-held terminal and a multi-mode integrated antenna. The multi-mode integrated antenna consists of a radio frequency connector, an antenna matching circuit board, and an antenna radiation unit. The antenna radiation unit, the antenna matching circuit board, and the radio frequency connector are fixed successively in terms of structure. In terms of circuit connection, one end of the radio frequency connector is connected with an intercom arranged inside the special-purpose hand-held terminal by a radio frequency switch and the other end of the radio frequency connector is connected with the antenna radiation unit by the antenna matching circuit board. The antenna matching circuit board includes an antenna matching circuit and carries out matching based on resistive loading. The antenna system has the following technical effect: the miniaturization and integration of the multi-mode communication systems are realized; the narrow-band communication system of the civil intercom is supported and compatibility of the two kinds of broadband special communication systems is high. The UV frequency band with the bandwidth of 225 to 678 MHz is covered; the standing-wave ratio in the bandwidth is less than 3; and the gain is larger than 0 dBi.
Description
Technical field
The present invention relates to a kind of antenna system, particularly to a kind of antenna system being applied to communication terminal UV frequency range.
Background technology
Along with the development of communication technology, miniaturization, integrated level are high, the unification of multi-mode communication system has become as terminal and sets
Standby mandatory attribute, in some special field, demanding terminal had both supported civilian transmitter receiver narrow band communication system (433MHz/ level
Omnidirectional antenna/vertical line poliarizing antenna), it is also compatible with two kinds of bandwidth dedicated communication systems (225 ~ 512MHz and 400 ~ 678MHz/ water
Flat omnidirectional antenna/vertical polarized antenna).Find by inquiry, the most do not meet 225 ~ 678MHz bandwidth, and increase
The benefit handheld terminal antenna more than 0dBi, it is therefore desirable to certainly grind.
Summary of the invention
In view of the needs of technology development, the present invention provides a kind of antenna system being applied to communication terminal UV frequency range, little and
Thin and cover 225 ~ 678MHz broadband, the RF front-end circuit of three kinds of communication systems is merged, and share same
Antenna, by the communication system that software exchange is different, concrete technical scheme is, a kind of antenna being applied to communication terminal UV frequency range
System, including special hand-held terminal, multimode unification antenna, it is characterised in that: multimode unification antenna includes radio-frequency joint, antenna
Joining circuit board, antenna radiation unit, structure is connected as, and antenna radiation unit, antenna matching circuit board, radio-frequency joint are fixed successively
Together, radio-frequency joint is fixed on special hand-held terminal top, and circuit is connected as, and radio-frequency joint one end is penetrated by radio-frequency joint
Frequency switch is connected with the transmitter receiver narrow band link in special hand-held terminal, the first dedicated communication link, the second dedicated communication link,
The radio-frequency joint other end is connected with antenna matching circuit board input by radio frequency line, antenna matching circuit board outfan and antenna
Radiating element connects, and described antenna matching circuit board includes antenna-matching circuit, uses resistive load mode, is connected as electricity
Sense L1, L2, resistance R2 are sequentially connected in series, and electric capacity C1, C2 one end is attempted by inductance L2 two ends, and resistance R1, R3 one end is attempted by resistance
R2 two ends, electric capacity C1, C2, resistance R1, R3 other end are serially connected and ground connection；Described antenna radiation unit is several blade
Formula is widened monopole antenna concatenation and is constituted.
The solution have the advantages that miniaturization, multi-mode communication system are unified, both supported civilian transmitter receiver narrow band communication body
System (433MHz/ horizontal omnidirectional antenna/vertical line poliarizing antenna), is also compatible with two kinds of bandwidth dedicated communication system (225 ~ 512MHz
With 400 ~ 678MHz/ horizontal omnidirectional antenna/vertical polarized antenna), cover 225 ~ 678MHz bandwidth UV frequency range, stay in full bandwidth
Bob less than 3, gain is more than 0dBi.
Accompanying drawing explanation
Fig. 1 is the system block diagram of the present invention；
Fig. 2 is the structural perspective of the present invention；
Fig. 3 is the antenna radiation unit structure chart of the present invention；
Fig. 4 is the antenna-matching circuit connection figure of the present invention；
Fig. 5 is the standing-wave ratio figure of inventive antenna radiating element；
Fig. 6 is the gain diagram of inventive antenna match circuit.
Concrete technical scheme
Below in conjunction with the accompanying drawings and a step explanation.
As Fig. 1,2, shown, a kind of antenna system being applied to communication terminal UV frequency range, including special hand-held terminal 1, many
Mould unification antenna 4, multimode unification antenna 4 includes radio-frequency joint 2, antenna matching circuit board 3, antenna radiation unit 5, and structure is gone up to the sky
Beta radiation unit 5, antenna matching circuit board 3, radio-frequency joint 2 are sequentially fixed at together, and radio-frequency joint 2 is fixed on special hand-held eventually
Holding 1 top, circuit is connected as, and radio-frequency joint 2 one end is passed through in radio-frequency (RF) switch and the first special hand-held terminal 1 of radio-frequency joint 2
Transmitter receiver narrow band link, the first dedicated communication link, the second dedicated communication link connect, radio-frequency joint 2 other end is by penetrating
Frequently line is connected with antenna matching circuit board 3 input, and antenna matching circuit board 3 outfan is connected with antenna radiation unit 5, and 1 penetrates
Frequently joint: that joint categories selects is TNC-J, main being responsible for delivers to PCB what the signal lossless of terminal radio frequency forward link consumed
On plate.
Such as Fig. 3, shown in 5, antenna radiation unit 5 is widened monopole antenna concatenation and is constituted by several vane types, every blade water
Flat width 3cm, a length of 25cm.Working frequency range is 225 ~ 678MHz, and in working band, gain is more than 0dBi.
Such as Fig. 4, shown in 6, the antenna-matching circuit of antenna matching circuit board 3, use pi type matching network, resistive loading side
Formula, is connected as inductance L1, L2, resistance R2 are sequentially connected in series, and electric capacity C1, C2 one end is attempted by inductance L2 two ends, resistance R1, R3 mono-
End is attempted by resistance R2 two ends, and electric capacity C1, C2, resistance R1, R3 other end are serially connected and ground connection.
Claims (2)
1. it is applied to an antenna system for communication terminal UV frequency range, including special hand-held terminal (1), multimode unification antenna (4),
It is characterized in that: multimode unification antenna (4) includes radio-frequency joint (2), antenna matching circuit board (3), antenna radiation unit (5),
Structure is connected as, and antenna radiation unit (5), antenna matching circuit board (3), radio-frequency joint (2) are sequentially fixed at together, and radio frequency connects
Head (2) is fixed on special hand-held terminal (1) top, and circuit is connected as, and radio-frequency joint (2) one end is penetrated by radio-frequency joint (2)
Frequency switch is with the transmitter receiver narrow band link in special hand-held terminal (1), the first dedicated communication link, the second dedicated communication link even
Connecing, radio-frequency joint (2) other end is connected with antenna matching circuit board (3) input by radio frequency line, antenna matching circuit board (3)
Outfan is connected with antenna radiation unit (5), and described antenna matching circuit board (3) includes antenna-matching circuit, uses resistive
Load mode, is connected as inductance L1, L2, resistance R2 are sequentially connected in series, and electric capacity C1, C2 one end is attempted by inductance L2 two ends, resistance
R1, R3 one end is attempted by resistance R2 two ends, and electric capacity C1, C2, resistance R1, R3 other end are serially connected and ground connection.
A kind of antenna system being applied to communication terminal UV frequency range, it is characterised in that: described sky
Beta radiation unit is that several vane type widens monopole antenna concatenation composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610508000.1A CN106025575A (en) | 2016-07-01 | 2016-07-01 | Antenna system applied to UV frequency band of communication terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610508000.1A CN106025575A (en) | 2016-07-01 | 2016-07-01 | Antenna system applied to UV frequency band of communication terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106025575A true CN106025575A (en) | 2016-10-12 |
Family
ID=57104885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610508000.1A Withdrawn CN106025575A (en) | 2016-07-01 | 2016-07-01 | Antenna system applied to UV frequency band of communication terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106025575A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199141A (en) * | 2017-12-29 | 2018-06-22 | 瑞声精密制造科技(常州)有限公司 | A kind of antenna system and mobile terminal |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000156651A (en) * | 1998-11-19 | 2000-06-06 | Hitachi Ltd | Tdma/cdma common use communication terminal |
| CN1445954A (en) * | 2002-03-19 | 2003-10-01 | Lg电子株式会社 | Mobile terminal signal line-sharing equipment and method |
| CN201278522Y (en) * | 2008-08-07 | 2009-07-22 | 中兴通讯股份有限公司 | Radio frequency front-end circuit for mobile terminal system |
| CN101873382A (en) * | 2010-06-30 | 2010-10-27 | 深圳市经纬科技有限公司 | Mobile phone, and method and device for dynamically tuning television internal antenna thereof |
| CN102111174A (en) * | 2009-12-25 | 2011-06-29 | 雷凌科技股份有限公司 | RF front-end circuit and wireless communication device using the same |
| CN202205884U (en) * | 2011-03-04 | 2012-04-25 | 昆山骅盛电子有限公司 | Three-in-one antenna for vehicle |
| CN102780083A (en) * | 2012-07-26 | 2012-11-14 | 中国航天科工集团第三研究院第八三五七研究所 | Broadband communication antenna |
| CN103338054A (en) * | 2013-06-09 | 2013-10-02 | 华为终端有限公司 | Multi-frequency common antenna system, radio frequency front end and multi-frequency communication device |
| CN105098356A (en) * | 2015-09-09 | 2015-11-25 | 天津七一二通信广播有限公司 | Ultraviolet (UV) frequency band and S frequency band dual-mode integrated antenna system applied to communication terminal |
| CN205863409U (en) * | 2016-07-01 | 2017-01-04 | 天津七一二通信广播股份有限公司 | A kind of antenna system being applied to communication terminal UV frequency range |
-
2016
- 2016-07-01 CN CN201610508000.1A patent/CN106025575A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000156651A (en) * | 1998-11-19 | 2000-06-06 | Hitachi Ltd | Tdma/cdma common use communication terminal |
| CN1445954A (en) * | 2002-03-19 | 2003-10-01 | Lg电子株式会社 | Mobile terminal signal line-sharing equipment and method |
| CN201278522Y (en) * | 2008-08-07 | 2009-07-22 | 中兴通讯股份有限公司 | Radio frequency front-end circuit for mobile terminal system |
| CN102111174A (en) * | 2009-12-25 | 2011-06-29 | 雷凌科技股份有限公司 | RF front-end circuit and wireless communication device using the same |
| CN101873382A (en) * | 2010-06-30 | 2010-10-27 | 深圳市经纬科技有限公司 | Mobile phone, and method and device for dynamically tuning television internal antenna thereof |
| CN202205884U (en) * | 2011-03-04 | 2012-04-25 | 昆山骅盛电子有限公司 | Three-in-one antenna for vehicle |
| CN102780083A (en) * | 2012-07-26 | 2012-11-14 | 中国航天科工集团第三研究院第八三五七研究所 | Broadband communication antenna |
| CN103338054A (en) * | 2013-06-09 | 2013-10-02 | 华为终端有限公司 | Multi-frequency common antenna system, radio frequency front end and multi-frequency communication device |
| CN105098356A (en) * | 2015-09-09 | 2015-11-25 | 天津七一二通信广播有限公司 | Ultraviolet (UV) frequency band and S frequency band dual-mode integrated antenna system applied to communication terminal |
| CN205863409U (en) * | 2016-07-01 | 2017-01-04 | 天津七一二通信广播股份有限公司 | A kind of antenna system being applied to communication terminal UV frequency range |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199141A (en) * | 2017-12-29 | 2018-06-22 | 瑞声精密制造科技(常州)有限公司 | A kind of antenna system and mobile terminal |
| CN108199141B (en) * | 2017-12-29 | 2021-09-24 | 瑞声精密制造科技(常州)有限公司 | Antenna system and mobile terminal |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20161012 |