CN108258382A - A kind of antenna system - Google Patents
A kind of antenna system Download PDFInfo
- Publication number
- CN108258382A CN108258382A CN201711486939.3A CN201711486939A CN108258382A CN 108258382 A CN108258382 A CN 108258382A CN 201711486939 A CN201711486939 A CN 201711486939A CN 108258382 A CN108258382 A CN 108258382A
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- China
- Prior art keywords
- antenna
- antenna radiator
- inductance
- irradiation unit
- electrically connected
- Prior art date
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Classifications
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- 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
Abstract
The present invention relates to the communications fields, disclose a kind of antenna system.The antenna system includes antenna radiator, the antenna holder for being embedded antenna radiator, the housing equipped with distributing point, the first earth point, the second earth point, the first match circuit, the second match circuit, the circuit board of third match circuit and accommodating circuit board equipped with the first via hole and the second via hole.Antenna system provided by the invention is in terms of existing technologies, the metal edge frame of existing mobile terminal can be utilized to realize that low frequency band switches and covers 1,700 2700 high frequencies, by setting 3 match circuits in antenna system so that the covering of communication full frequency band can be realized and meet domestic telecommunication operator carrier aggregation requirement by being embedded with the mobile terminal of the antenna system.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of antenna system.
Background technology
With the fast development of the communication technology, portable radio device is more and more, particularly mobile phone, and people not only meet
Simple call function, it is also higher and higher to the texture requirement of mobile phone.Handset collocation metal edge frame directly uses gold
Belong to shell design be widely used, and metal edge frame or metal shell design in, a technological difficulties be metal edge frame or
Metal shell can shielded antenna sends and receivees to a certain extent signal, seriously affect the performance of antenna.In addition, with existing
Some mobile phones are more and more thinner, keep for the space of antenna and become less and less, the environment of antenna becomes worse and worse, this is just into one
The radiance that step limits antenna also has the bandwidth of antenna.
In order to solve the above-mentioned technical problem, laser direct structuring technique (Laser-Direct-Structuring, abbreviation
LDS) antenna is widely used.LDS antennas change mode of the existing antenna on circuit board of mobile phone, but utilize and calculate
Machine according to the TRAJECTORY CONTROL laser of conductive pattern movement, directly on antenna holder change plating form metal antenna antenna pattern
(Antenna Radiation pattern, abbreviation antenna pattern), so as to set as far as possible in a limited space
Put antenna.
But it was found by the inventors of the present invention that in the prior art, the antenna system that metal edge frame is arranged in pairs or groups is most of all not have
1700MHz-2700MHz is integrated into a complete high frequency by method, can not meet the requirement of multi-carrier polymerizing (CA).Base
In this, what is proposed at present integrates antenna and metal edge frame, and in the duplexer (SP4T) of certain point connection hilted broadsword four-throw, warp
It crosses and switches the matching of each different radio frequency pin to adjust frequency, but this mode can only realize 4 state switchings, and
Headroom layer of the layout of the cabling on PCB and switch foot position of SP4T switches on PCB is also required to especially handle, and otherwise switchs
Loss and the effect of parasitic capacitance, bring fatal damage to the performance of antenna instead.
Invention content
Embodiment of the present invention is designed to provide antenna system, and the metal edge frame that can utilize existing mobile terminal is real
The covering of existing low-frequency range, by setting 3 match circuits in antennas, realizes the covering of medium-high frequency section, so that being embedded
The mobile terminal for having the antenna system can realize the covering of communication full frequency band.
In order to solve the above technical problems, embodiments of the present invention provide a kind of antenna system, led including being equipped with first
The antenna radiator of through-hole and the second via hole, for be embedded antenna radiator antenna holder, equipped with distributing point, first ground connection
Point, the second earth point, the first match circuit, the second match circuit, the circuit board of third match circuit and accommodating circuit board
Housing；The frame of housing is metal edge frame, and metal edge frame is equipped with breaking joint close to the region of antenna radiator；Antenna holder is set
On circuit boards, distributing point is electrically connected to the first via hole by the first metal clips, and the first earth point is contacted with metal edge frame
Conducting, the second earth point are electrically connected to the second through-hole by the second metal clips, and antenna radiator passes through third metal clips electricity
Region of the metal edge frame on the left of breaking joint is connected to, antenna radiator is electrically connected to metal edge frame by the 4th metal clips and leans on
Region on the right side of nearly breaking joint；Wherein, by the first match circuit be electrically connected to antenna radiator be equipped with first through hole region, second
The region of match circuit electrically connected antenna radiator and the first ground connection point contact, third match circuit are electrically connected to antenna radiator
With the region of the second ground connection point contact, make antenna radiator covering communication full frequency band.
Embodiment of the present invention in terms of existing technologies, provides a kind of aerial system that can cover communication full frequency band
System, is specifically connected, and pass through the first of setting by that will offer the metal edge frame of breaking joint with circuit board and antenna radiator
Tunable capacitor in match circuit enable the antenna system utilize equipped with breaking joint metal edge frame covering low-frequency range, by
Two earth points in antenna system are set, and access match circuit in the aerial radiation body region residing for two earth points respectively,
So that the antenna system can cover medium-high frequency section.The antenna system provided in the present invention, simple in structure, it is convenient to realize,
Since switching switch being not present in entire antenna system, the damage of switching loss and parasitic capacitance effect to antenna is also not present
Wound, has been effectively ensured the service life of antenna.
In addition, antenna radiator includes：First antenna radiator and the second antenna radiator；First antenna radiator includes
Be electrically connected with the second earth point and towards the first irradiation unit extending horizontally away close to distributing point direction, from the first irradiation unit to separate
The second irradiation unit that breaking joint direction vertically extends is directed away from the third that distributing point direction is extend horizontally away by the second irradiation unit
Irradiation unit, by third irradiation unit towards close to open up the 4th irradiation unit that the metal edge frame direction of breaking joint vertically extends, by the 4th
Irradiation unit bends downward the extend the 6th towards the 5th irradiation unit being extend horizontally away close to breaking joint direction and by the 4th irradiation unit
Irradiation unit；Second antenna radiator include be electrically connected with distributing point and be extend horizontally away towards close first earth point direction the
Seven irradiation units are electrically connected with distributing point and are radiated towards the 8th vertically extended close to the metal edge frame direction for opening up breaking joint
Portion bends downward the 9th irradiation unit extended by the 8th irradiation unit；Wherein, the second irradiation unit is connected to the first match circuit,
7th irradiation unit is connected to the second match circuit, and the 4th irradiation unit is connected to third match circuit, first antenna radiator and
Two antenna radiators pass through circuit board communication.The present invention gives a kind of specific knots of the antenna radiator of antenna in antenna system
Structure, based on the structure, what can be reached realizes that communication full frequency band covers using metal edge frame.
In addition, antenna radiator realizes that low-frequency resonant position tunes by the first match circuit, the low frequency of antenna radiator
The working frequency range covering 824MHz-960MHz of resonance.
In addition, antenna radiator realizes medium-high frequency resonance location tune by the second match circuit and/or third match circuit
It is humorous, the working frequency range covering 1710MHz-2700MHz of the medium-high frequency resonance of antenna radiator.
In addition, the gap of breaking joint is at least 1.2mm.Specific The present invention gives a kind of metal edge frame breaking joint gap takes
Value, is at least 1.2mm, so that the antenna system can be suitable for existing non-comprehensive screen by the gap for setting breaking joint
Mobile terminal.
In addition, the gap of breaking joint is at least 1.4mm.Specific The present invention gives a kind of metal edge frame breaking joint gap takes
Value, by the gap for setting breaking joint is at least 1.4mm, so that the antenna system can be suitable for existing shielding comprehensively
Mobile terminal.
In addition, the first match circuit include the first inductance, the second inductance, radio-frequency signal source and tunable capacitor, second
Include third inductance with circuit, third match circuit includes the 4th inductance；The first end of tunable capacitor is electrically connected to aerial radiation
Body is equipped with the region of first through hole, and the second end of tunable capacitor is respectively electrically connected to the first end and the second inductance of the first inductance
First end, the second end of the first inductance are connect with radio-frequency signal source, the second end ground connection of the second inductance；The first end of third inductance
The region of electrically connected antenna radiator and the first ground connection point contact, the second end ground connection of third inductance；The first end of 4th inductance
It is electrically connected to the region of antenna radiator and the second ground connection point contact, the second end ground connection of the 4th inductance.The present invention gives one
The first match circuit of kind, the second match circuit, the specific structure of third match circuit, by above-mentioned connection mode, can realize
The tuning of each frequency band resonance position to antenna radiator, so as to fulfill communication full frequency band covering.
In addition, the value range of the first inductance, third inductance, the 4th inductance is respectively in 1nH between 3nH.
In addition, the value range of the second inductance in 1nH between 15nH.
In addition, the value range of tunable capacitor in 1.82pF between 9.7pF.
Description of the drawings
Fig. 1 is the structure diagram of the antenna system of first embodiment of the invention；
Fig. 2 be first embodiment of the invention antenna system in antenna radiator concrete structure schematic diagram；
Fig. 3 be first embodiment of the invention antenna system in circuit board be equipped with distributing point, the first earth point, second connect
The schematic diagram of locations and regions；
Fig. 4 is the first metal elastic on the metal edge frame and housing of the antenna system middle casing of first embodiment of the invention
Piece, the second metal clips, third metal clips, the 4th metal clips installation position schematic diagram；
Fig. 5 be first embodiment of the invention antenna system in the first match circuit, the second match circuit, third matching
The installation position schematic diagram of circuit；
Fig. 6 is the efficiency chart of the antenna system of first embodiment of the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to each reality of the present invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the present invention,
Many technical details are proposed in order to which reader is made to more fully understand the present invention.But even if without these technical details and base
In the various changes and modifications of following embodiment, claimed technical solution of the invention can also be realized.
The first embodiment of the present invention is related to antenna systems.The antenna system is mainly used in mobile communication hand-hold mobile
Device, such as mobile phone.
Specific antenna system includes the antenna radiator equipped with the first via hole and the second via hole, for being embedded antenna
The antenna holder of radiator, equipped with distributing point, the first earth point, the second earth point, the first match circuit, the second match circuit,
The housing of the circuit board of third match circuit and accommodating circuit board.
It should be noted that the antenna system provided in present embodiment is mainly that the metal of existing mobile terminal is utilized
Frame is realized.Therefore the frame of housing need to be metal edge frame, and metal edge frame is needed to be equipped with and be broken close to the region of antenna radiator
Seam.
Antenna holder is set on circuit boards, and distributing point is electrically connected to the first via hole by the first metal clips, and first
Earth point contacts conducting with metal edge frame, and the second earth point is electrically connected to the second through-hole, aerial radiation by the second metal clips
Body is electrically connected to region of the metal edge frame on the left of breaking joint by third metal clips, and antenna radiator passes through the 4th metal elastic
Piece is electrically connected to region of the metal edge frame on the right side of breaking joint；Wherein, the first match circuit is electrically connected to antenna radiator to set
There are the region in the region of first through hole, the second match circuit electrically connected antenna radiator and the first ground connection point contact, third matching
Circuit is electrically connected to the region of antenna radiator and the second ground connection point contact, makes antenna radiator covering communication full frequency band.
In the antenna system provided in present embodiment, the covered communication full frequency band of antenna radiator institute is to refer to prop up
The frequency range that the communication system of existing mobile terminal is worked is held, such as 2G, 3G, 4G.
Specifically, antenna radiator is to realize that low-frequency resonant position tunes by the first match circuit, so that day
The working frequency range covering 824MHz-960MHz of the low-frequency resonant of beta radiation body.
Antenna radiator realizes that medium-high frequency resonance location tunes by the second match circuit and/or third match circuit, from
And the working frequency range of medium-high frequency resonance of antenna radiator is enabled to cover 1710MHz-2700MHz frequency ranges.
In addition, it is noted that by taking mobile phone as an example, existing more universal is designed using metal shell or metal edge frame
Mobile phone be generally divided into comprehensively screen (be exactly briefly：The front of mobile phone is entirely screen, and four bezel locations of mobile phone are all
It is to be designed using Rimless, pursues the screen accounting close to 100%, refers mainly to screen accounting at present and reach more than 80%) and it is non-full frame
(as the term suggests there is frame with regard to four bezel locations of mobile phone, screen accounting is less than 80%), to enable antenna system better
Applied to the mobile phone of both types, present embodiment gives two kinds of preferred embodiments.
Specifically, when antenna system is to be applied to comprehensive screen mobile phone, the gap of breaking joint opened up on metal edge frame is at least
It needs for 1.4mm, when antenna system is to be applied to non-comprehensive screen mobile phone, the gap of breaking joint opened up on metal edge frame at least needs
To be 1.2mm, specific value, those skilled in the art can rationally be set according to the size for the mobile phone being actually embedded
It puts, is not limited herein.
In order to make it easy to understand, present embodiment gives a kind of antenna system of concrete structure, the antenna of the antenna system
Radiator specifically includes first antenna radiator and the second antenna radiator, and overall structure such as Fig. 1 of specific antenna system is extremely
4。
Wherein, 10 for the first via hole, 20 be the second via hole, 30 be antenna radiator, 40 be antenna holder, 50 be electricity
Road plate, 60 be housing, 60-1 is the metal edge frame for offering breaking joint, 60-2 is the breaking joint of present embodiment meaning, 70 is feed
Point, 80 be the first earth point, 90 be the second earth point, 101 be the first metal clips, 102 be the second metal clips, 103 be the
Three metal clips, 104 are the 4th metal clips.
It is led it should be noted that the first earth point 80 is contacted by the region 60-11 extended with metal edge frame 60-1
Logical, 103 and the 4th metal clips 104 of third metal clips is specifically located between circuit board 50 and metal edge frame 60-1, so as to
It can ensure that circuit board 50 is connected with metal edge frame 60-1.
In addition, the specific trend of antenna radiator 30 is as shown in Figure 2.Wherein, first antenna radiator 30-1 includes and the
Two earth points 90 be electrically connected and towards the first irradiation unit 30-11 extending horizontally away close to 70 direction of distributing point, by the first irradiation unit
30-11 is directed away to the second irradiation unit 30-12 vertically extended far from breaking joint 60-2 directions, by the second irradiation unit 30-12
Third irradiation unit 30-13 that 70 direction of distributing point is extend horizontally away, by third irradiation unit 30-13 towards close to opening up breaking joint 60-2's
The 4th irradiation unit 30-14 that metal edge frame 60-1 directions vertically extend, by the 4th irradiation unit 30-14 towards close to breaking joint 60-2 side
The 6th irradiation unit extended is bent downward to the 5th irradiation unit 30-15 extending horizontally away and by the 4th irradiation unit 30-14
30-16。
Second antenna radiator 30-2 includes being electrically connected with distributing point 70 and towards close to 80 direction of the first earth point level
The 7th irradiation unit 30-21 that extends, it is electrically connected with distributing point 70 and towards close to the metal edge frame 60-1 for opening up breaking joint 60-2
The 8th irradiation unit 30-22 that direction vertically extends, the 9th irradiation unit extended is bent downward by the 8th irradiation unit 30-22
30-23。
In addition, it is noted that in the present embodiment, the first match circuit specifically includes the first inductance, the second electricity
Sense, radio-frequency signal source and tunable capacitor, the second match circuit specifically include third inductance, and third match circuit specifically includes the
Four inductance.
The connection of component is as shown in Figure 5 in the specific installation position of above-mentioned 3 match circuits and each match circuit.
Wherein, TUNER is tunable capacitor, L1 is the first inductance, L2 is the second inductance, RF is radio-frequency signal source, L3
Three inductance, L4 are the 4th inductance.
Specifically, the first end of tunable capacitor TUNER is electrically connected to the region that antenna radiator 30 is equipped with first through hole 10
The second end of A1, tunable capacitor TUNER are respectively electrically connected to the first end of the first inductance L1 and the first end of the second inductance L2, the
The second end of one inductance L1 is connect with radio-frequency signal source RF, the second end ground connection of the second inductance L2.The first end of third inductance L3
The second end ground connection of the region A2 that electrically connected antenna radiator 30 is contacted with the first earth point 80, third inductance L3.4th inductance
The first end of L4 is electrically connected to the region that antenna radiator 30 and second is grounded point contact, the second end ground connection of the 4th inductance L4.
In addition, it is necessary to explanation, the first antenna radiator 30-1 of the antenna radiator 30 of above structure and second day
Beta radiation body 30-2 is connected by circuit board 50, and the second irradiation unit 30-12 is connected to the first match circuit, the 7th irradiation unit
30-21 is connected to the second match circuit, and the 4th irradiation unit is connected to third match circuit.
In addition, in practical applications, the first inductance L1, third inductance L3, the 4th inductance L4 value range respectively in 1nH
To between 3nH, the value range of the second inductance L2 in 1nH between 15nH, the value range of tunable capacitor in 1.82pF extremely
Between 9.7pF.
Preferably, the first inductance L1, third inductance L3, the 4th inductance L4 can select the inductance of identical value, and its electricity
Inductance value is 1.5nH, and the value of the second inductance is 12nH.In order to more intuitively know the efficiency of the antenna system, below in conjunction with
Table 1, Fig. 6 are specifically described.
Table 1 be tunable capacitor TUNER in the case where state value is 850Tx, 850Rx, 900Tx, 900Rx corresponding voltage value, can
Adjust capacitance and frequency range.
Table 1
Wherein, Tx specifically represents to export, and Rx represents input.
Fig. 6 is the efficiency chart of antenna radiator in the antenna system drawn according to item data each in table 1.
In addition, it is noted that based on the data provided in table 1, it can be deduced that antenna radiator in antenna system
Radiation coefficient effect, under above-mentioned four kinds of states, radiation would generally be converged at following 8, specifically：
1st, 824MHz, -7.8602dB；
2nd, 880MHZ, -7.5023dB；
3rd, 960MHz, -2.2037dB；
4th, 1710MHZ, -6.4162dB；
5th, 2170MHz, -5.3722dB；
6th, 2300MHZ, -6.020dB；
7th, 2500MHz, -20.044dB；
8th, 2690MHZ, -7.0809dB.
By table 1, Fig. 6 and above-mentioned data it is not difficult to find that the antenna system provided in present embodiment can utilize it is existing
The metal edge frame of mobile terminal realizes that low frequency band switches and covers 1700-2700 high frequencies, by setting 3 in antenna system
Match circuit so that the covering of communication full frequency band can be realized and meet domestic telecommunication fortune by being embedded with the mobile terminal of the antenna system
Quotient's carrier aggregation requirement is sought, improves user experience.
It limits for example, not formed to technical scheme of the present invention it should be noted that these are only, actually should
In, the specific trend of the antenna radiator in antenna system is not limited to and the structure shown in present embodiment, this field
Technical staff can rationally set as needed, be not limited herein.
In addition, the covered communications band of antenna system institute provided in present embodiment includes endpoint value.
In addition, being worth mentioning is, the antenna radiator in the antenna system provided in present embodiment is specifically using general
The metal antenna of logical technique setting, in practical applications, is not specifically limited this, those skilled in the art can be according to need
It rationally to set.
Second embodiment of the present invention is related to a kind of antenna system.Second embodiment and first embodiment party's main distinction
Part is, it is specifically to be set using common process that the antenna on antenna holder is embedded in first embodiment, in antenna system
The metal antenna put；In second embodiment, the antenna part in antenna system is specifically the antenna prepared using LDS techniques.
The antenna prepared by using LDS techniques so that antenna system interior increasing that can be as big as possible in a limited space
Add swept area, so that antenna system can preferably realize communication full frequency band covering.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention,
And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (10)
1. a kind of antenna system, which is characterized in that including being equipped with the antenna radiator of the first via hole and the second via hole, being used for
It is embedded the antenna holder of the antenna radiator, equipped with distributing point, the first earth point, the second earth point, the first match circuit,
The housing of two match circuits, the circuit board of third match circuit and the accommodating circuit board；
The frame of the housing is metal edge frame, and the metal edge frame is equipped with breaking joint close to the region of the antenna radiator；
The antenna holder is arranged on the circuit board, and the distributing point is electrically connected to described first by the first metal clips
Via hole, first earth point contact conducting with the metal edge frame, and second earth point passes through the second metal clips electricity
Second through-hole is connected to, the antenna radiator is electrically connected to the metal edge frame close to breaking joint by third metal clips
The region in left side, the antenna radiator are electrically connected to area of the metal edge frame on the right side of breaking joint by the 4th metal clips
Domain；
Wherein, first match circuit is electrically connected to region of the antenna radiator equipped with the first through hole, it is described
Second match circuit is electrically connected the antenna radiator and the region of the described first ground connection point contact, the third match circuit electricity
The antenna radiator and the region of the described second ground connection point contact are connected to, makes the antenna radiator covering communication full range
Section.
2. antenna system according to claim 1, which is characterized in that the antenna radiator includes：First antenna radiates
Body and the second antenna radiator；
The first antenna radiator includes being electrically connected with second earth point and prolong towards close to distributing point direction level
The first irradiation unit for stretching out, from first irradiation unit to the second irradiation unit vertically extended far from the breaking joint direction, by
Second irradiation unit is directed away from the third irradiation unit that the distributing point direction extend horizontally away, by the third irradiation unit court
Close to open up the 4th irradiation unit that the metal edge frame direction of the breaking joint vertically extends, by the 4th irradiation unit towards leaning on
The 5th irradiation unit and the 6th spoke extended is bent downward by the 4th irradiation unit that the nearly breaking joint direction is extend horizontally away
Penetrate portion；
Second antenna radiator includes being electrically connected with the distributing point and towards close to the first earth point direction level
The 7th irradiation unit that extends is electrically connected with the distributing point and towards close to the metal edge frame direction for opening up the breaking joint
The 8th irradiation unit that vertically extends bends downward the 9th irradiation unit extended by the 8th irradiation unit；
Wherein, second irradiation unit is connected to first match circuit, and the 7th irradiation unit is connected to described second
With circuit, the 4th irradiation unit is connected to the third match circuit, the first antenna radiator and second antenna
Radiator passes through the circuit board communication.
3. antenna system according to claim 1 or 2, which is characterized in that the antenna radiator passes through described first
The tuning of low-frequency resonant position, the working frequency range covering 824MHz- of the low-frequency resonant of the antenna radiator are realized with circuit
960MHz。
4. antenna system according to claim 1 or 2, which is characterized in that the antenna radiator passes through described second
The tuning of medium-high frequency resonance location is realized with circuit and/or the third match circuit, the high-frequency resonant of the antenna radiator
Working frequency range covers 1710MHz-2700MHz.
5. the antenna system described in claims 1 or 2, which is characterized in that the gap of the breaking joint is at least 1.2mm.
6. antenna system according to claim 1 or 2, which is characterized in that the gap of the breaking joint is at least 1.4mm.
7. antenna system according to claim 1 or 2, which is characterized in that first match circuit include the first inductance,
Second inductance, radio-frequency signal source and tunable capacitor, second match circuit include third inductance, the third match circuit
Including the 4th inductance；
The first end of the tunable capacitor is electrically connected to the region that the antenna radiator is equipped with the first through hole, described adjustable
The second end of capacitance is respectively electrically connected to the first end of first inductance and the first end of second inductance, first electricity
The second end of sense is connect with the radio-frequency signal source, the second end ground connection of second inductance；
The first end of the third inductance is electrically connected the antenna radiator and the region of the described first ground connection point contact, and described the
The second end ground connection of three inductance；
The first end of 4th inductance is electrically connected to the antenna radiator and the region of the described second ground connection point contact, described
The second end ground connection of 4th inductance.
8. antenna system according to claim 7, which is characterized in that first inductance, the third inductance, described
The value range of four inductance is respectively in 1nH between 3nH.
9. antenna system according to claim 7, which is characterized in that the value range of second inductance in 1nH extremely
Between 15nH.
10. antenna system according to claim 7, which is characterized in that the value range of the tunable capacitor is in 1.82pF
To between 9.7pF.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711486939.3A CN108258382B (en) | 2017-12-29 | 2017-12-29 | Antenna system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711486939.3A CN108258382B (en) | 2017-12-29 | 2017-12-29 | Antenna system |
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| CN108258382A true CN108258382A (en) | 2018-07-06 |
| CN108258382B CN108258382B (en) | 2020-09-18 |
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| CN201711486939.3A Expired - Fee Related CN108258382B (en) | 2017-12-29 | 2017-12-29 | Antenna system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109037910A (en) * | 2018-07-27 | 2018-12-18 | 北京小米移动软件有限公司 | Electronic equipment and its antenna structure |
| CN109713461A (en) * | 2018-12-30 | 2019-05-03 | 瑞声精密制造科技(常州)有限公司 | A kind of separate antennas system |
| CN111555019A (en) * | 2020-05-20 | 2020-08-18 | 维沃移动通信有限公司 | Electronic device |
| CN112768904A (en) * | 2019-11-05 | 2021-05-07 | RealMe重庆移动通信有限公司 | Antenna radiator, antenna assembly and electronic equipment |
| CN113140892A (en) * | 2020-01-17 | 2021-07-20 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with same |
| CN113839181A (en) * | 2020-06-23 | 2021-12-24 | 北京小米移动软件有限公司 | Antenna module and terminal equipment |
| CN113140892B (en) * | 2020-01-17 | 2024-04-26 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with same |
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| CN107453055A (en) * | 2017-05-02 | 2017-12-08 | 瑞声科技(新加坡)有限公司 | Antenna and mobile terminal |
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| EP2469642A1 (en) * | 2010-12-22 | 2012-06-27 | Smart Approach Co., Ltd. | Antenna module, and touch device and electronic device having the same |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109037910A (en) * | 2018-07-27 | 2018-12-18 | 北京小米移动软件有限公司 | Electronic equipment and its antenna structure |
| CN109713461A (en) * | 2018-12-30 | 2019-05-03 | 瑞声精密制造科技(常州)有限公司 | A kind of separate antennas system |
| CN112768904A (en) * | 2019-11-05 | 2021-05-07 | RealMe重庆移动通信有限公司 | Antenna radiator, antenna assembly and electronic equipment |
| CN112768904B (en) * | 2019-11-05 | 2022-08-05 | RealMe重庆移动通信有限公司 | Antenna radiator, antenna assembly and electronic equipment |
| CN113140892A (en) * | 2020-01-17 | 2021-07-20 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with same |
| CN113140892B (en) * | 2020-01-17 | 2024-04-26 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with same |
| CN111555019A (en) * | 2020-05-20 | 2020-08-18 | 维沃移动通信有限公司 | Electronic device |
| WO2021233250A1 (en) * | 2020-05-20 | 2021-11-25 | 维沃移动通信有限公司 | Electronic device |
| CN113839181A (en) * | 2020-06-23 | 2021-12-24 | 北京小米移动软件有限公司 | Antenna module and terminal equipment |
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| CN108258382B (en) | 2020-09-18 |
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