CN201663237U - Antenna and mobile terminal - Google Patents
Antenna and mobile terminal Download PDFInfo
- Publication number
- CN201663237U CN201663237U CN2010201361076U CN201020136107U CN201663237U CN 201663237 U CN201663237 U CN 201663237U CN 2010201361076 U CN2010201361076 U CN 2010201361076U CN 201020136107 U CN201020136107 U CN 201020136107U CN 201663237 U CN201663237 U CN 201663237U
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Abstract
The utility model provides an antenna, which comprises a radio frequency receiving and sending circuit, a matched circuit, a radio frequency connector, a frequency divider and at least two sub antennas, wherein the radio frequency connector is connected with the frequency divider, and the matched circuit is connected between the radio frequency connector and the radio frequency receiving and sending circuit, wherein each sub antenna is provided with an independent antenna electricity feeding point, and is connected with the frequency divider through the corresponding antenna electricity feeding point, and a corresponding matched and wave filtering circuit is connected between the antenna electricity feeding point of each sub antenna and the frequency divider. Correspondingly, the utility model also provides a mobile terminal, which realizes the separated design of different frequency bands of the antennas in the same standard, so the design of the antenna is more flexible, a public antenna debugging region and the matched circuit are not shared by different frequency bands, the overlapping design difficulty of the mobile terminal is reduced, the requirements on the antenna environment can be reduced, and each index can be realized more easily.
Description
Technical field
The utility model relates to the communications field, relates in particular to a kind of antenna and portable terminal.
Background technology
In the existing portable terminal, the height frequency range of same standard antenna partly designs together, two frequency range Cell 800M and PCS 1900M as CDMA, their shared debugging is regional, metal distributing point and match circuit etc., because the volume in antenna and debugging zone thereof is directly proportional with the beamwidth of antenna, when the height frequency range of same standard antenna designs together, in the portable terminal if there are not the enough debugging zones of a monoblock can be for antenna when debugging, the high band of antenna and low-frequency range performance index just are difficult to meet design requirement, Antenna Design is dumb, and same match circuit not necessarily is fit to two frequency ranges of height, and matching effect is limited.
The utility model content
Defective in view of above-mentioned prior art, the utility model embodiment provides a kind of antenna and portable terminal, increase frequency divider, discrete coupling and filter circuit, stand-alone antenna etc. and realized the separate type design of same standard antenna different frequency range, make Antenna Design more flexible, different frequency range not shared total antenna debugging zone and match circuit, reduced the stack design difficulty of portable terminal, reduced the requirement to antenna environment, it is easier that each index realizes.
In order to reach above-mentioned technique effect, the utility model embodiment provides a kind of antenna, comprise radio-frequency (RF) transmit-receive circuit, match circuit, radio frequency connector, frequency divider and at least two sub antennas, described radio frequency connector links to each other with described frequency divider, described match circuit is connected between described radio frequency connector and the radio-frequency (RF) transmit-receive circuit, wherein:
Each sub antenna has an independently antenna feed point, and it links to each other with described frequency divider by corresponding antenna feed point;
Between the antenna feed point and frequency divider of each sub antenna, be connected with corresponding coupling and filter circuit.
Preferably, the corresponding frequency range of each sub antenna has the certain physical distance between the described sub antenna.
Accordingly, the utility model embodiment also provides a kind of portable terminal, and described portable terminal comprises above-mentioned antenna.
Implement the utility model embodiment, antenna comprises at least two sub antennas, between radio frequency connector and each sub antenna, increase a frequency divider, the corresponding frequency range of each sub antenna, and has an independently antenna feed point, it links to each other with described frequency divider by corresponding antenna feed point, between the antenna feed point and frequency divider of each sub antenna, be connected with corresponding coupling and filter circuit, realize the separate type design of same standard antenna different frequency range, make Antenna Design more flexible, different frequency range not shared total antenna debugging zone and match circuit, reduced the stack design difficulty of portable terminal, reduced the requirement to antenna environment, it is easier that each index realizes.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of antenna among the utility model embodiment;
Fig. 2 is a kind of structural representation when antenna is for height two frequencies among the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Among the utility model embodiment, antenna comprises at least two sub antennas, between radio frequency connector and each sub antenna, increase a frequency divider, each sub antenna has an independently antenna feed point, it links to each other with described frequency divider by corresponding antenna feed point, between the antenna feed point and frequency divider of each sub antenna, be connected with corresponding coupling and filter circuit, realize the separate type design of same standard antenna different frequency range, make Antenna Design more flexible, the not shared total antenna of different frequency range is debugged zone and match circuit, has reduced the stack design difficulty of portable terminal, reduced the requirement to antenna environment, it is easier that each index realizes.
Below in conjunction with accompanying drawing more detailed description the utility model preferred embodiment.
Referring to Fig. 1, structural representation for antenna among the utility model embodiment, comprise radio-frequency (RF) transmit-receive circuit 10, match circuit 11, radio frequency connector 12 (being also referred to as radio frequency (RF) coaxial connector), frequency divider 13 and at least two sub antennas, as first sub antenna 14 among Fig. 1 and second sub antenna 15 (is that example illustrates with two sub antennas only among Fig. 1, in the practical application a plurality of sub antennas can also be arranged), described radio frequency connector 12 links to each other with described frequency divider 13, described match circuit 11 is connected between described radio frequency connector 12 and the radio-frequency (RF) transmit-receive circuit 10, wherein:
Each sub antenna has an independently antenna feed point, and it links to each other with described frequency divider by corresponding antenna feed point, between the antenna feed point and frequency divider of each sub antenna, is connected with corresponding coupling and filter circuit.As shown in fig. 1, first sub antenna 14 has independently first antenna feed point 141 and first coupling and the filter circuit 142, first sub antenna 14 links to each other with described first coupling and filter circuit 142 by first antenna feed point 141, and then is connected on the frequency divider 13 by described first coupling and filter circuit 142; Second sub antenna 15 has independently second antenna feed point 151 and second coupling and the filter circuit 152, second sub antenna 15 links to each other with described second coupling and filter circuit 152 by second antenna feed point 151, and then is connected on the frequency divider 13 by described second coupling and filter circuit 152.
The corresponding frequency range of each sub antenna has the certain physical distance between the described sub antenna, to guarantee between the sub antenna enough isolations being arranged.
The frequency range setting of frequency divider 13 need be consistent with the frequency range of antenna, the main separation that realizes each frequency range, promptly be divided into two or portion is many, realize simultaneously enough isolations between each port of different frequency range, requirement according to the antenna frequency range, two frequency or multifrequencies can find suitable frequency divider to realize the utility model embodiment.And the independently coupling and the filter circuit of each sub antenna correspondence are mainly used in coupling and the filtering that realizes between each frequency range sub antenna and the circuit.
In portable terminal, antenna has corresponding debugging zone, because the volume in its debugging zone is directly proportional with the beamwidth of antenna, the height frequency range of traditional same standard antenna designs together usually, it is bigger that it debugs regional volume, the portable terminal inner space that need take is bigger, in the portable terminal if there are not the enough debugging zones of a monoblock can be for antenna when debugging, the high band of antenna and low-frequency range performance index just are difficult to meet design requirement, among the utility model embodiment antenna body has been divided into the experimental process antenna, the corresponding frequency range of each sub antenna, each sub antenna has independently antenna feed point and coupling and filter circuit, certainly, each sub antenna has an independently debugging zone with regard to correspondence, and Antenna Design is more flexible.
Antenna among the utility model embodiment is when received signal, the signal of two-way different frequency range is by the sub antenna reception of different frequency range correspondences separately, antenna feed point and matched filtering circuit through each sub antenna correspondence, be combined into one road signal by frequency divider, after leading to radio-frequency (RF) transmit-receive circuit through radio frequency connector, match circuit again, carry out follow-up signal and handle; And when transmitting, one road signal is sent by radio-frequency (RF) transmit-receive circuit, through being divided into two paths of signals by frequency divider behind match circuit, the radio frequency connector, the signal of two-way different frequency range is launched by the sub antenna of different separately frequency range correspondences through behind the matched filtering circuit and antenna feed point of each sub antenna correspondence.
Referring to Fig. 2, a kind of structural representation when being height two frequencies for antenna among the utility model embodiment, for example low-frequency range is the 800M frequency range of CDMA, and high band is the PCS 1900M frequency range of CDMA, it comprises radio-frequency (RF) transmit-receive circuit 20, match circuit 21, radio frequency connector 22, frequency divider 23 and low-frequency range sub antenna 24 and high band sub antenna 25, described radio frequency connector 22 links to each other with described frequency divider 23, described match circuit 21 is connected between described radio frequency connector 22 and the radio-frequency (RF) transmit-receive circuit 20, wherein, low-frequency range sub antenna 24 has independently low-frequency range antenna feed point 241 and coupling and low pass filter 242, low-frequency range sub antenna 24 links to each other with described coupling and low pass filter 242 by low-frequency range antenna feed point 241, and then is connected on the frequency divider 23 by described coupling and low pass filter 242; High band sub antenna 25 has independently high band antenna feed point 251 and coupling and high pass filter 252, high band sub antenna 25 links to each other with described coupling and high pass filter 252 by high band antenna feed point 251, and then is connected on the frequency divider 23 by described coupling and high pass filter 252.
The utility model embodiment has also proposed a kind of portable terminal, and described portable terminal comprises the antenna that proposes in the utility model.
Implement the utility model embodiment, Antenna Design is for comprising at least two sub antennas, the corresponding frequency range of each sub antenna, between radio frequency connector and each sub antenna, increase a frequency divider, each sub antenna has an independently antenna feed point, it links to each other with described frequency divider by corresponding antenna feed point, between the antenna feed point and frequency divider of each sub antenna, be connected with corresponding coupling and filter circuit, realize the separate type design of same standard antenna different frequency range, make Antenna Design more flexible, different frequency range not shared total antenna debugging zone and match circuit, reduced the stack design difficulty of portable terminal, reduced the requirement to antenna environment, it is easier that each index realizes.
Above disclosed only is a kind of preferred embodiment of the utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (3)
1. antenna, it is characterized in that comprise radio-frequency (RF) transmit-receive circuit, match circuit, radio frequency connector, frequency divider and at least two sub antennas, described radio frequency connector links to each other with described frequency divider, described match circuit is connected between described radio frequency connector and the radio-frequency (RF) transmit-receive circuit, wherein:
Each sub antenna has an independently antenna feed point, and it links to each other with described frequency divider by corresponding antenna feed point;
Between the antenna feed point and frequency divider of each sub antenna, be connected with corresponding coupling and filter circuit.
2. antenna as claimed in claim 1 is characterized in that, the corresponding frequency range of each sub antenna has the certain physical distance between the described sub antenna.
3. a portable terminal is characterized in that, described portable terminal comprises claim 1 or 2 described antennas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201361076U CN201663237U (en) | 2010-03-17 | 2010-03-17 | Antenna and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201361076U CN201663237U (en) | 2010-03-17 | 2010-03-17 | Antenna and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201663237U true CN201663237U (en) | 2010-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201361076U Expired - Lifetime CN201663237U (en) | 2010-03-17 | 2010-03-17 | Antenna and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201663237U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904598A (en) * | 2012-09-26 | 2013-01-30 | 广东步步高电子工业有限公司 | Radio frequency system of mobile terminal |
| WO2015085593A1 (en) * | 2013-12-13 | 2015-06-18 | 华为终端有限公司 | Communication terminal and antenna system thereof |
| CN106099370A (en) * | 2015-04-29 | 2016-11-09 | 联发科技股份有限公司 | Antenna system, harmonics restraint element and radio-frequency unit |
| WO2018000507A1 (en) * | 2016-06-30 | 2018-01-04 | 宇龙计算机通信科技(深圳)有限公司 | Radio frequency transmitting circuit, control method, and mobile terminal |
| CN107895838A (en) * | 2017-11-30 | 2018-04-10 | 维沃移动通信有限公司 | A kind of antenna system and mobile terminal |
| CN108321494A (en) * | 2018-01-19 | 2018-07-24 | 广东欧珀移动通信有限公司 | Antenna assembly and electronic equipment |
| CN108550978A (en) * | 2018-04-16 | 2018-09-18 | 维沃移动通信有限公司 | A kind of antenna system and mobile terminal |
| CN110931940A (en) * | 2019-12-06 | 2020-03-27 | 惠州Tcl移动通信有限公司 | Antenna structure and mobile terminal |
| CN111371473A (en) * | 2020-03-10 | 2020-07-03 | 捷开通讯(深圳)有限公司 | Debugging method of radio frequency circuit |
-
2010
- 2010-03-17 CN CN2010201361076U patent/CN201663237U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904598A (en) * | 2012-09-26 | 2013-01-30 | 广东步步高电子工业有限公司 | Radio frequency system of mobile terminal |
| WO2015085593A1 (en) * | 2013-12-13 | 2015-06-18 | 华为终端有限公司 | Communication terminal and antenna system thereof |
| CN106099370A (en) * | 2015-04-29 | 2016-11-09 | 联发科技股份有限公司 | Antenna system, harmonics restraint element and radio-frequency unit |
| US10277287B2 (en) | 2015-04-29 | 2019-04-30 | Mediatek Inc. | Antenna system and harmonic suppression element |
| WO2018000507A1 (en) * | 2016-06-30 | 2018-01-04 | 宇龙计算机通信科技(深圳)有限公司 | Radio frequency transmitting circuit, control method, and mobile terminal |
| CN107895838A (en) * | 2017-11-30 | 2018-04-10 | 维沃移动通信有限公司 | A kind of antenna system and mobile terminal |
| CN108321494A (en) * | 2018-01-19 | 2018-07-24 | 广东欧珀移动通信有限公司 | Antenna assembly and electronic equipment |
| CN108550978A (en) * | 2018-04-16 | 2018-09-18 | 维沃移动通信有限公司 | A kind of antenna system and mobile terminal |
| CN108550978B (en) * | 2018-04-16 | 2020-07-28 | 维沃移动通信有限公司 | Antenna system and mobile terminal |
| CN110931940A (en) * | 2019-12-06 | 2020-03-27 | 惠州Tcl移动通信有限公司 | Antenna structure and mobile terminal |
| CN111371473A (en) * | 2020-03-10 | 2020-07-03 | 捷开通讯(深圳)有限公司 | Debugging method of radio frequency circuit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101201 |
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| CX01 | Expiry of patent term |