CN106301399A - Mobile terminal, antenna assembly and radio-frequency front-end ballistic device - Google Patents
Mobile terminal, antenna assembly and radio-frequency front-end ballistic device Download PDFInfo
- Publication number
- CN106301399A CN106301399A CN201610624956.8A CN201610624956A CN106301399A CN 106301399 A CN106301399 A CN 106301399A CN 201610624956 A CN201610624956 A CN 201610624956A CN 106301399 A CN106301399 A CN 106301399A
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- China
- Prior art keywords
- match circuit
- circuit
- radio
- electrically connected
- frequency front
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details 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
- H04B1/005—Details 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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details 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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/006—Details 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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
-
- 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
- H01Q1/243—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 with built-in antennas
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details 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
- H04B1/38—Transceivers, 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
- H04B1/40—Circuits
Abstract
The invention discloses a kind of mobile terminal, antenna assembly and radio-frequency front-end ballistic device.Described radio-frequency front-end ballistic device includes: power amplifier；Duplexer；First match circuit, described first match circuit is electrically connected with described power amplifier；Second match circuit, described second match circuit is electrically connected with described duplexer；Port circuit, described port circuit is electrically connected with described first match circuit and described second match circuit, described port circuit is for making the current channel between described first match circuit and described second match circuit connect under the first predetermined case, or for being electrically connected with external circuit under the second predetermined case, to utilize described external circuit, described first match circuit and described second match circuit regulate by described power amplifier jointly, described first match circuit, the overall output parameter that described external circuit and described second match circuit are formed.The present invention has higher suitability to the external load of different parameters, therefore can be effectively improved conduction stray and radiation dispersion problem.
Description
Technical field
The invention belongs to communication technical field, particularly relate to a kind of mobile terminal, antenna assembly and radio-frequency front-end emitter
Part.
Background technology
Traditional radio-frequency front-end ballistic device is typically integrated with GSM (Global System for Mobile
Communication, global system for mobile communications) power amplifier, duplexer.
The peak power of above-mentioned GSM power amplifier is the highest, for predetermined band (such as, GSM850 frequency range and GSM900
Frequency range), described GSM power amplifier is easy to situation serious distortion occur, thus produces the strongest harmonic wave.
Above-mentioned traditional radio-frequency front-end ballistic device generally is directed to the load design of 50 ohm, outside it is hereby ensured
In the case of connecing the load of 50 ohm, the index of harmonic wave is preferable.But, in the case of extraneous load is not 50 ohm, meeting
Cause radiation dispersion (it is spuious that connection antenna measurement radiates) index poor.
Above-mentioned traditional radio frequency front-end devices occur spuious (including conduction stray and radiation dispersion) problem when, nothing
The parameter of this radio frequency front-end devices is adjusted by method.
Therefore, it is necessary to a kind of new technical scheme is proposed, to solve above-mentioned technical problem.
Summary of the invention
It is an object of the invention to provide a kind of mobile terminal, antenna assembly and radio-frequency front-end ballistic device, it is to difference
The external load of parameter has higher suitability.
In order to solve above technical problem, technical scheme is as follows:
A kind of radio-frequency front-end ballistic device, described radio-frequency front-end ballistic device includes: power amplifier；Duplexer；The
One match circuit, described first match circuit is electrically connected with described power amplifier；Second match circuit, described second coupling
Circuit is electrically connected with described duplexer；Port circuit, described port circuit and described first match circuit and described second
Match circuit is electrically connected with, and described port circuit is for making described first match circuit and described the under the first predetermined case
Current channel connection between two match circuits, or for being electrically connected with external circuit under the second predetermined case, in order to
Jointly regulate by described power amplifier, institute with described external circuit, described first match circuit and described second match circuit
State the overall output parameter that the first match circuit, described external circuit and described second match circuit are formed.
In above-mentioned radio-frequency front-end ballistic device, described port circuit includes: the first port；Second port；Wherein, described
First match circuit is electrically connected with described first port, and described second match circuit is electrically connected with described second port.
In above-mentioned radio-frequency front-end ballistic device, described power amplifier includes: first input end；First outfan；Its
In, described first outfan is electrically connected with described first match circuit.
In above-mentioned radio-frequency front-end ballistic device, described duplexer includes: the second input；Second outfan；Wherein,
Described second input is electrically connected with described second match circuit.
In above-mentioned radio-frequency front-end ballistic device, described first port and described second port are for making a reservation for described first
In the case of be electrically connected with, so that the described electricity between described first match circuit and described second match circuit by connecting wire
Circulation road connects.
In above-mentioned radio-frequency front-end ballistic device, described first port and described second port are for making a reservation for described second
In the case of be electrically connected with described external circuit, to utilize described external circuit, described first match circuit and described second
Distribution road regulates jointly by described power amplifier, described first match circuit, described external circuit and described second coupling electricity
The overall output parameter that road is formed.
In above-mentioned radio-frequency front-end ballistic device, being the first wave filter at described external circuit, described first wave filter is used
In the harmonic wave filtering described power amplifier.
In above-mentioned radio-frequency front-end ballistic device, it is the 3rd match circuit at described external circuit, described 3rd coupling electricity
Road for described first match circuit and described second match circuit jointly regulate by described power amplifier, described first
The overall output parameter that distribution road, described second match circuit and described 3rd match circuit are formed.
A kind of antenna assembly, described antenna assembly includes antenna and above-mentioned radio-frequency front-end ballistic device, wherein, described sky
Line is electrically connected with described radio-frequency front-end ballistic device.
A kind of mobile terminal, described mobile terminal includes terminal body and said antenna device, described terminal body with
Described antenna assembly is electrically connected with.
Relative to prior art, the present invention has higher suitability to the external load of different parameters, therefore can have
Effect improves conduction stray and radiation dispersion problem.
Accompanying drawing explanation
Fig. 1 is the block diagram of the mobile terminal of the present invention；
Fig. 2 is the block diagram of the antenna assembly of the present invention；
Fig. 3 is the schematic diagram of the first embodiment of the radio-frequency front-end ballistic device of the present invention；
Fig. 4 is the schematic diagram of the second embodiment of the radio-frequency front-end ballistic device of the present invention.
Detailed description of the invention
Refer to graphic, the most identical element numbers represents identical assembly.The following description is based on illustrated
The specific embodiment of the invention, it is not construed as limiting other specific embodiment that the present invention is the most detailed herein.
It it is the block diagram of the mobile terminal of the present invention with reference to Fig. 1, Fig. 1.
The mobile terminal of the present invention includes terminal body 101 and antenna assembly 102, and described terminal body 101 is with described
Antenna assembly 102 is electrically connected with.Described mobile terminal can for example, smart mobile phone, walkman, digital camera, panel computer, intelligence
Can the electronic equipment such as TV, intelligent sound box.
It it is the block diagram of the antenna assembly 102 of the present invention with reference to Fig. 2, Fig. 2.
The antenna assembly 102 of the present invention includes antenna 202 and radio-frequency front-end ballistic device 201, described antenna 202 and institute
State radio-frequency front-end ballistic device 201 to be electrically connected with.
It it is the schematic diagram of the first embodiment of the radio-frequency front-end ballistic device of the present invention with reference to Fig. 3, Fig. 3.
The first embodiment of the radio-frequency front-end ballistic device of the present invention includes power amplifier (PA, Power
Amplifier) 301, duplexer the 302, first match circuit the 303, second match circuit 304, port circuit.
Described first match circuit 303 is electrically connected with described power amplifier 301, described second match circuit 304 with
Described duplexer 302 is electrically connected with.
Described port circuit is electrically connected with described first match circuit 303 and described second match circuit 304, described end
Mouth circuit is for making between described first match circuit 303 and described second match circuit 304 under the first predetermined case
Current channel connects.
Wherein, described power amplifier 301 be GSM (Global System for Mobile communication, entirely
Ball mobile communication system) power amplifier.
Described first predetermined case is conduction stray index and/or the radiation dispersion index of described radio-frequency front-end ballistic device
Meet the situation of preassigned.
In the radio-frequency front-end ballistic device of the present embodiment, described port circuit includes the first port 305 and the second port
306.Described first match circuit 303 is electrically connected with described first port 305, described second match circuit 304 and described the
Two-port netwerk 306 is electrically connected with.
In the radio-frequency front-end ballistic device of the present embodiment, described power amplifier 301 includes first input end 3011 He
First outfan 3012.Described first outfan 3012 is electrically connected with described first match circuit 303.
In the radio-frequency front-end ballistic device of the present embodiment, described duplexer 302 includes the second input 3021 and
Two outfans 3022.Described second input 3021 is electrically connected with described second match circuit 304.
In the radio-frequency front-end ballistic device of the present embodiment, described first port 305 is used for described second port 306
Be electrically connected with by connecting wire 308 under described first predetermined case so that described first match circuit 303 with described second
Described current channel connection between distribution road 304.
In the radio-frequency front-end ballistic device of the present embodiment, described radio-frequency front-end ballistic device also includes the second wave filter
307, described second wave filter 307 is electrically connected with described second match circuit 304 and described duplexer 302.Described second
Wave filter 307 is for filtering the harmonic wave of described power amplifier 301, or is used for filtering described power amplifier 301 with described
The overall harmonic wave that first match circuit 303, described second match circuit 304 are formed.Described second wave filter 307 is low pass
Wave filter.
Described first match circuit 303, described second match circuit 304 all include at least in electric capacity, resistance, inductance
Person.
It it is the schematic diagram of the second embodiment of the radio-frequency front-end ballistic device of the present invention with reference to Fig. 4, Fig. 4.
Second embodiment of the radio-frequency front-end ballistic device of the present invention is similar to above-mentioned first embodiment, and difference exists
In:
In the present embodiment, described first port 305 and described second port 306 are under described second predetermined case
It is electrically connected with external circuit 309, to utilize described external circuit 309, described first match circuit 303 and described second coupling
Circuit 304 regulates jointly by described power amplifier 301, described first match circuit 303, described external circuit 309 and described
The overall output parameter that second match circuit 304 is formed.
Described second predetermined case is conduction stray index and/or the radiation dispersion index of described radio-frequency front-end ballistic device
Do not meet the situation of preassigned.
The described external circuit 309 being connected with described first port 305 and described second port 306 is for by described merit
Rate amplifier 301, described first match circuit 303, described external circuit 309 and described second match circuit 304 are formed
Overall output parameter is adjusted.
In the radio-frequency front-end ballistic device of the present embodiment, it is the first wave filter 309 at described external circuit, described first
Wave filter is for filtering the harmonic wave of described power amplifier 301.
3rd embodiment of the radio-frequency front-end ballistic device of the present invention is similar to above-mentioned second embodiment, and difference exists
In:
In the present embodiment, being the 3rd match circuit at described external circuit 309, described 3rd match circuit is used for and institute
State the first match circuit 303 and described second match circuit 304 jointly regulate by described power amplifier 301, described first
The overall output parameter that distribution road 303, described second match circuit 304 and described 3rd match circuit are formed.
In the radio-frequency front-end ballistic device of the present invention, in the feelings that described external circuit 309 is described 3rd match circuit
Under condition, described external circuit 309 includes at least one in electric capacity, resistance, inductance.
By technique scheme, the present invention has higher suitability to the external load of different parameters, the most permissible
It is effectively improved conduction stray and radiation dispersion problem.
The concrete technical scheme of the present invention is:
From output pin (described first outfan of the power amplifier 301 of the inside of described radio-frequency front-end ballistic device
3012) holding wire outside to described radio-frequency front-end ballistic device is drawn, as an external pin (pin 1)；From institute
The input pin (described second input 3021) stating duplexer 302 draws a holding wire to described radio-frequency front-end emitter
The outside of part, as an external pin (pin 2).
Can be with external low pass filter (described first wave filter) between pin 1 and pin 2, described low pass filter is used for
Filter harmonic wave, it is also possible to external matching network (described 3rd match circuit), described 3rd match circuit is used for debugging described merit
The output matching of rate amplifier 301.Wherein, pin 1 and the external matching network of pin 2, to debug described power amplifier 301
Output matching and the points for attention improving this situation of radiation dispersion: plus antenna load, use Network Analyzer test described
The impedance of the output of power amplifier 301, then debugs matching network, and impedance is debugged the humorous of described power amplifier 301
The preferable position of ripple.
Described radio-frequency front-end ballistic device need not other devices external when, pin 1 and pin 2 can also be direct
It is shorted together.
Technique scheme both can not affect the integrated level of described radio-frequency front-end ballistic device, again can be by additional
Distribution network, or additional low pass filter, improve the conduction stray of described radio-frequency front-end ballistic device, radiation dispersion problem.
In sum, although the embodiment of the present invention is disclosed above, but above-described embodiment and be not used to limit the present invention, ability
The those of ordinary skill in territory, without departing from the spirit and scope of the present invention, all can make various change and retouching, the therefore present invention
Protection domain define in the range of standard with claim.
Claims (10)
1. a radio-frequency front-end ballistic device, it is characterised in that described radio-frequency front-end ballistic device includes:
Power amplifier；
Duplexer；
First match circuit, described first match circuit is electrically connected with described power amplifier；
Second match circuit, described second match circuit is electrically connected with described duplexer；
Port circuit, described port circuit is electrically connected with described first match circuit and described second match circuit, described end
Mouth circuit leads to for making the electric current between described first match circuit and described second match circuit under the first predetermined case
Road connect, or under the second predetermined case and external circuit be electrically connected with, with utilize described external circuit, described first
Match circuit and described second match circuit regulate jointly by described power amplifier, described first match circuit, described outside
The overall output parameter that circuit and described second match circuit are formed.
Radio-frequency front-end ballistic device the most according to claim 1, it is characterised in that described port circuit includes:
First port；
Second port；
Wherein, described first match circuit is electrically connected with described first port, described second match circuit and described second end
Mouth is electrically connected with.
Radio-frequency front-end ballistic device the most according to claim 2, it is characterised in that described power amplifier includes:
First input end；
First outfan；
Wherein, described first outfan is electrically connected with described first match circuit.
Radio-frequency front-end ballistic device the most according to claim 2, it is characterised in that described duplexer includes:
Second input；
Second outfan；
Wherein, described second input is electrically connected with described second match circuit.
Radio-frequency front-end ballistic device the most according to claim 2, it is characterised in that described first port and described second end
Mouth is for being electrically connected with by connection wire under described first predetermined case, so that described first match circuit and described second
Described current channel connection between match circuit.
Radio-frequency front-end ballistic device the most according to claim 2, it is characterised in that described first port and described second end
Mouthful for being electrically connected with described external circuit under described second predetermined case, with utilize described external circuit, described first
Match circuit and described second match circuit regulate jointly by described power amplifier, described first match circuit, described outside
The overall output parameter that circuit and described second match circuit are formed.
Radio-frequency front-end ballistic device the most according to claim 6, it is characterised in that be the first filtering at described external circuit
Device, described first wave filter is for filtering the harmonic wave of described power amplifier.
Radio-frequency front-end ballistic device the most according to claim 6, it is characterised in that be the 3rd coupling at described external circuit
Circuit, described 3rd match circuit is for jointly regulating by described merit with described first match circuit and described second match circuit
It is overall defeated that rate amplifier, described first match circuit, described second match circuit and described 3rd match circuit are formed
Go out parameter.
9. an antenna assembly, it is characterised in that described antenna assembly includes antenna and as any one in claim 1 to 8
Radio-frequency front-end ballistic device described in Xiang, wherein, described antenna is electrically connected with described radio-frequency front-end ballistic device.
10. a mobile terminal, it is characterised in that described mobile terminal includes terminal body and as claimed in claim 9
Antenna assembly, described terminal body is electrically connected with described antenna assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610624956.8A CN106301399B (en) | 2016-07-29 | 2016-07-29 | Mobile terminal, antenna assembly and radio-frequency front-end ballistic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610624956.8A CN106301399B (en) | 2016-07-29 | 2016-07-29 | Mobile terminal, antenna assembly and radio-frequency front-end ballistic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106301399A true CN106301399A (en) | 2017-01-04 |
| CN106301399B CN106301399B (en) | 2019-03-26 |
Family
ID=57664217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610624956.8A Active CN106301399B (en) | 2016-07-29 | 2016-07-29 | Mobile terminal, antenna assembly and radio-frequency front-end ballistic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106301399B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108011192A (en) * | 2017-11-30 | 2018-05-08 | 广东欧珀移动通信有限公司 | Non-linear component, board structure of circuit and terminal device |
| CN108631061A (en) * | 2018-04-27 | 2018-10-09 | Oppo广东移动通信有限公司 | Antenna module and electronic device |
| CN110768634A (en) * | 2019-09-23 | 2020-02-07 | 广州慧智微电子有限公司 | Radio frequency front end architecture |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1503591A (en) * | 2002-11-08 | 2004-06-09 | Tdk��ʽ���� | Front-end module and communication terminal |
| CN103026634A (en) * | 2010-05-21 | 2013-04-03 | 马维尔国际贸易有限公司 | RF front-end with integrated t/r switch |
| CN104320154A (en) * | 2014-10-29 | 2015-01-28 | 络达科技股份有限公司 | Multimode multi-frequency front end device |
| CN104601194A (en) * | 2013-10-30 | 2015-05-06 | 网件公司 | Radio frequency front end module with high band selectivity |
-
2016
- 2016-07-29 CN CN201610624956.8A patent/CN106301399B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1503591A (en) * | 2002-11-08 | 2004-06-09 | Tdk��ʽ���� | Front-end module and communication terminal |
| CN103026634A (en) * | 2010-05-21 | 2013-04-03 | 马维尔国际贸易有限公司 | RF front-end with integrated t/r switch |
| CN104601194A (en) * | 2013-10-30 | 2015-05-06 | 网件公司 | Radio frequency front end module with high band selectivity |
| CN104320154A (en) * | 2014-10-29 | 2015-01-28 | 络达科技股份有限公司 | Multimode multi-frequency front end device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108011192A (en) * | 2017-11-30 | 2018-05-08 | 广东欧珀移动通信有限公司 | Non-linear component, board structure of circuit and terminal device |
| CN108631061A (en) * | 2018-04-27 | 2018-10-09 | Oppo广东移动通信有限公司 | Antenna module and electronic device |
| CN108631061B (en) * | 2018-04-27 | 2019-05-28 | Oppo广东移动通信有限公司 | Antenna module and electronic device |
| CN110768634A (en) * | 2019-09-23 | 2020-02-07 | 广州慧智微电子有限公司 | Radio frequency front end architecture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106301399B (en) | 2019-03-26 |
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| CB02 | Change of applicant information |
Address after: 523860 No. 18, Wu Sha Beach Road, Changan Town, Dongguan, Guangdong Applicant after: OPPO Guangdong Mobile Communications Co., Ltd. Address before: 523860 No. 18, Wu Sha Beach Road, Changan Town, Dongguan, Guangdong Applicant before: Guangdong OPPO Mobile Communications Co., Ltd. |
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