CN106301246A - The power supply circuits of a kind of radio-frequency power amplifier and mobile terminal - Google Patents
The power supply circuits of a kind of radio-frequency power amplifier and mobile terminal Download PDFInfo
- Publication number
- CN106301246A CN106301246A CN201610609376.1A CN201610609376A CN106301246A CN 106301246 A CN106301246 A CN 106301246A CN 201610609376 A CN201610609376 A CN 201610609376A CN 106301246 A CN106301246 A CN 106301246A
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- China
- Prior art keywords
- radio
- frequency power
- power supply
- power amplifier
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
- H03F3/195—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only in integrated circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/213—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only in integrated circuits
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Amplifiers (AREA)
Abstract
The present invention provides power supply circuits and the mobile terminal of a kind of radio-frequency power amplifier, these power supply circuits include: power supply, multiple radio-frequency power amplifier, second switch circuit and antenna, wherein, the first on-off circuit it is provided with between multiple radio-frequency power amplifiers and power supply;At least one in multiple radio-frequency power amplifiers is electrically connected with power supply by the first on-off circuit;Second switch circuit is connected between multiple radio-frequency power amplifier and antenna, and at least one in multiple radio-frequency power amplifiers is connected with antenna electric by second switch circuit.The present invention is by arranging on-off circuit between power supply and radio-frequency power amplifier, it is to avoid the impact of the radio-frequency power amplifier of the inefficacy radio frequency amplifier on connecting in using, and improves the stability of the power supply of mobile terminal, extends the use duration of mobile terminal simultaneously.
Description
Technical field
The present invention relates to communication technical field, particularly relate to the power supply circuits of a kind of radio-frequency power amplifier and move eventually
End.
Background technology
At present, along with mobile terminal is towards the development in multimode multi-frequency direction, mobile terminal can support multiple frequency range, but
Due to the Bandwidth-Constrained of radio-frequency power amplifier, so mobile terminal has generally comprised multiple radio-frequency power amplifier.
The reasons such as big, the complex process of power consumption due to radio-frequency power amplifier, the global failure rate of radio-frequency power amplifier
Higher.Sometimes the inefficacy of radio-frequency power amplifier can make the short circuit of its power pin or resistance decrease over the ground, causes system electrification
Time occur electric leakage, leakage current is from 1mA~3A.And, radio-frequency power amplifier inefficacy electric leakage can move end by serious curtailment
End-cell uses the time, when leakage current is more than the charging current in preliminary filling stage, can cause nothing after mobile terminal low electricity shutdown
Method is started shooting.
If receiving Switching Power Supply together after the power pin short circuit of multiple radio-frequency power amplifiers, when one of them radio frequency
Power amplifier lost efficacy after causing supply pin resistance decrease over the ground, as long as Switching Power Supply one is opened, the radio-frequency power of inefficacy amplifies
Device will leak electricity, if leakage current is relatively big, then power supply can be caused unstable thus just affect other radio-frequency power amplifiers
Often work.
Summary of the invention
The embodiment of the present invention provides power supply circuits and the mobile terminal of a kind of radio-frequency power amplifier, to solve prior art
Middle radio-frequency power amplifier lost efficacy the problem that the battery of mobile terminal power supply that causes of electric leakage is unstable and the use time shortens.
On the one hand, the embodiment of the present invention provides the power supply circuits of a kind of radio-frequency power amplifier, including: power supply, multiple penetrates
Frequently power amplifier, second switch circuit and antenna, wherein, sets between multiple described radio-frequency power amplifiers and described power supply
It is equipped with the first on-off circuit;
At least one in multiple described radio-frequency power amplifiers is electrically connected with described power supply by described first on-off circuit
Connect;
Described second switch circuit is connected between multiple described radio-frequency power amplifier and described antenna, multiple described in penetrate
Frequently at least one in power amplifier is connected with described antenna electric by described second switch circuit.
On the other hand, the embodiment of the present invention also provides for a kind of mobile terminal, including: the radio frequency merit as described in above-described embodiment
The power supply circuits of rate amplifier.
The power supply circuits of the radio-frequency power amplifier that the embodiment of the present invention provides, by power supply and radio-frequency power amplifier
Between on-off circuit is set, it is to avoid the impact of radio frequency amplifier on connecting in using of the radio-frequency power amplifier of inefficacy, improve
The stability of the power supply of mobile terminal, extends the use duration of mobile terminal simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below by institute in the description to the embodiment of the present invention
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only some enforcements of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is the schematic diagram of the power supply circuits of the radio-frequency power amplifier of first embodiment of the invention;
Fig. 2 is the schematic diagram of the power supply circuits of the radio-frequency power amplifier of second embodiment of the invention;
Fig. 3 is the schematic diagram of the power supply circuits of the radio-frequency power amplifier of third embodiment of the invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
First embodiment
As it is shown in figure 1, the power supply circuits of the radio-frequency power amplifier provided for first embodiment of the invention, including: power supply
1, multiple radio-frequency power amplifiers 2, second switch circuit 3 and antenna 4.
Here, power supply 1 includes: the battery supply of mobile terminal or Switching Power Supply.
It should be noted that the frequency range of radiofrequency signal that multiple radio-frequency power amplifiers are amplified is different.It is to say, it is every
The use frequency range that secondary mobile terminal is determined by the ambient network environment residing for detection is usually different.
Wherein, the first on-off circuit 5 it is provided with between multiple radio-frequency power amplifiers 2 and power supply 1.
Here, the first on-off circuit 5 is connected between power supply 1 and multiple radio-frequency power amplifier 2.Multiple radio-frequency powers are put
At least one in big device 2 is electrically connected with power supply 1 by this first on-off circuit 5.
Second switch circuit 3 is connected between multiple radio-frequency power amplifier 2 and antenna 4.Multiple radio-frequency power amplifiers 2
In at least one electrically connected with antenna 4 by this second switch circuit 3.
Preferably, as it is shown in figure 1, the first on-off circuit 5 includes in the embodiment of the present invention: a single pole multiple throw 51, should
The moved end of single pole multiple throw 51 is connected with described power supply 1, multiple fixed ends of this single pole multiple throw 51 corresponding with moved end
Connect one to one with multiple radio-frequency power amplifiers 2 respectively.
More specifically, multiple fixed ends of this corresponding with moved end single pole multiple throw 51 are put with multiple radio-frequency powers respectively
The power pin of big device 2 connects one to one.
It should be noted that the moved end of this single pole multiple throw 51 i.e. so-called " cutter ", multiple radio frequency merit can be controlled
Which radio-frequency power amplifier concrete in rate amplifier 2 electrically connects with power supply 1.
Here, mobile terminal can be according to the use frequency range of mobile terminal, and the moved end of control single pole multiple throw 51 selects to close
Being bonded to the power pin of the radio-frequency power amplifier 2 corresponding with the use frequency range of mobile terminal, now, second switch circuit 3 is right
The outfan of this radio-frequency power amplifier 2 should be connected to.
The power supply circuits of the radio-frequency power amplifier that the embodiment of the present invention provides, by power supply and radio-frequency power amplifier
Between on-off circuit is set, it is to avoid the impact of radio frequency amplifier on connecting in using of the radio-frequency power amplifier of inefficacy, improve
The stability of the power supply of mobile terminal, extends the use duration of mobile terminal simultaneously.
Second embodiment
As in figure 2 it is shown, the power supply circuits of the radio-frequency power amplifier provided for second embodiment of the invention, including: power supply
1, multiple radio-frequency power amplifiers 2, second switch circuit 3 and antenna 4.
Here, power supply 1 includes: the battery supply of mobile terminal or Switching Power Supply.
It should be noted that the frequency range of radiofrequency signal that multiple radio-frequency power amplifiers are amplified is different.It is to say, it is every
The use frequency range that secondary mobile terminal is determined by the ambient network environment residing for detection is usually different.
Wherein, the first on-off circuit 5 it is provided with between multiple radio-frequency power amplifiers 2 and power supply 1.
Preferential, in the embodiment of the present invention, the first on-off circuit 5 includes multiple one-way switch 52, multiple one-way switches 52
One end is connected with power supply 1 respectively, and the other end of multiple one-way switches 52 is respectively with multiple radio-frequency power amplifier 2 one_to_one corresponding even
Connect.
More specifically, the other end of multiple one-way switches 52 respectively with the power pin one of multiple radio-frequency power amplifiers 2
One corresponding connection.
It should be noted that mobile terminal can control in multiple one-way switch 52 according to the use frequency range of mobile terminal
One one-way switch Guan Bi, the radio-frequency power amplifier 2 that the contactor closed here is corresponding with the use frequency range of mobile terminal
Connect.
Certainly, mobile terminal can control two or two in multiple one-way switch 52 according to the use frequency range of mobile terminal
Individual above one-way switch Guan Bi.At this time, it may be necessary to explanation, the two or more lists in multiple one-way switches 52
During way switch Guan Bi, combiner can be set between corresponding radio-frequency power amplifier 2 and second switch circuit 3, second
On-off circuit 3 is correspondingly connected to the outfan of combiner, and the radiofrequency signal of mobile terminal passes through sky through the outfan of combiner
Line 4 is launched;Also many antennas can be correspondingly arranged, by many antennas by two in multiple one-way switches 52 or two
Emission of radio frequency signals after corresponding radio-frequency power amplifier 2 amplifies when above one-way switch closes is gone out.
The power supply circuits of the radio-frequency power amplifier that the embodiment of the present invention provides, by power supply and radio-frequency power amplifier
Between multiple one-way switch is set, radio-frequency power amplifier can be selected flexibly, it is to avoid the radio-frequency power amplifier of inefficacy is to connection
The impact of the radio frequency amplifier in using, improves the stability of the power supply of mobile terminal, when extending the use of mobile terminal simultaneously
Long.
3rd embodiment
As it is shown on figure 3, the power supply circuits of the radio-frequency power amplifier provided for third embodiment of the invention, including: power supply
1, multiple radio-frequency power amplifiers 2, second switch circuit 3 and antenna 4.
It should be noted that the frequency range of radiofrequency signal that multiple radio-frequency power amplifiers are amplified is different.It is to say, it is every
The use frequency range that secondary mobile terminal is determined by the ambient network environment residing for detection is usually different.
Wherein, the first on-off circuit 5 it is provided with between multiple radio-frequency power amplifiers 2 and power supply 1.
Preferential, in the embodiment of the present invention, the first on-off circuit 5 includes multiple one-way switch 52, multiple one-way switches 52
One end is connected with power supply 1 respectively, and the other end of multiple one-way switches 52 counts with first in multiple radio-frequency power amplifiers 2 respectively
The radio-frequency power amplifier of amount connects one to one;
It should be noted that the other end of multiple one-way switches 52 respectively with first in multiple radio-frequency power amplifiers 2
The radio-frequency power amplifier of quantity connects one to one, say, that the most all of radio-frequency power amplifier 2 and power supply 1 it
Between be provided with one-way switch 52.
Here, the first quantity is less than the quantity of the radio-frequency power amplifier 2 of the embodiment of the present invention.
The radio frequency merit of volume residual in addition to the radio-frequency power amplifier of the first quantity in multiple radio-frequency power amplifiers 2
Rate amplifier electrically connects with power supply 1.
It should be noted that the failure probability of the radio-frequency power amplifier of the first quantity being connected with multiple one-way switches 52
More than presetting failure probability.
The radio frequency merit of volume residual in addition to the radio-frequency power amplifier of the first quantity in multiple radio-frequency power amplifiers 2
The failure probability of rate amplifier is less than presetting failure probability.
Here, default failure probability is the history mistake of the radio-frequency power amplifier being arranged on mobile terminal added up in advance
Effect probability.
The power supply circuits of the radio-frequency power amplifier that the embodiment of the present invention provides, by putting with multiple radio-frequency powers at power supply
Between big device, part arranges one-way switch, cost-effective and can select radio-frequency power amplifier flexibly, it is to avoid the radio frequency merit of inefficacy
The impact of the rate amplifier radio frequency amplifier on connecting in using, improves the stability of the power supply of mobile terminal, extends shifting simultaneously
The use duration of dynamic terminal.
The embodiment of the present invention also provides for a kind of mobile terminal, including the radio-frequency power amplifier as described in above-described embodiment
Power supply circuits.
Here, this mobile terminal be mobile phone, panel computer, personal digital assistant, vehicle-mounted computer, music player, hands
Carry computer or navigator.
Also, it should be noted in this article, the relational terms of such as first and second or the like is used merely to one
Entity or operation separate with another entity or operating space, and not necessarily require or imply between these entities or operation
There is relation or the order of any this reality.And, term " includes ", " comprising " or its any other variant are intended to contain
Comprising of lid nonexcludability, so that include that the process of a series of key element, method, article or terminal unit not only include that
A little key elements, but also include other key elements being not expressly set out, or also include for this process, method, article or
The key element that terminal unit is intrinsic.In the case of there is no more restriction, statement " including ... " key element limited, and
It is not precluded within and includes the process of this key element, method, article or terminal unit there is also other identical element.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of without departing from principle of the present invention, it is also possible to make some improvements and modifications, these improvements and modifications are also
Should be regarded as protection scope of the present invention.
Claims (5)
1. power supply circuits for radio-frequency power amplifier, including: power supply (1), multiple radio-frequency power amplifier (2), second leave
Close circuit (3) and antenna (4), it is characterised in that
The first on-off circuit (5) it is provided with between multiple described radio-frequency power amplifiers (2) and described power supply (1);
At least one in multiple described radio-frequency power amplifiers (2) is by described first on-off circuit (5) and described power supply (1)
Electrical connection;
Described second switch circuit (3) is connected between multiple described radio-frequency power amplifiers (2) and described antenna (4), multiple
At least one in described radio-frequency power amplifier (2) is electrically connected with described antenna (4) by described second switch circuit (3).
The power supply circuits of radio-frequency power amplifier the most according to claim 1, it is characterised in that described first on-off circuit
(5) including a single pole multiple throw (51), the moved end of described single pole multiple throw (51) is connected with described power supply (1), with described
Multiple fixed ends of the described single pole multiple throw (51) that moved end is corresponding are respectively with multiple described radio-frequency power amplifiers (2) one by one
Corresponding connection.
The power supply circuits of radio-frequency power amplifier the most according to claim 1, it is characterised in that described first on-off circuit
(5) including multiple one-way switch (52), one end of multiple described one-way switches (52) is connected with described power supply (1) respectively, multiple
The other end of described one-way switch (52) connects one to one with multiple described radio-frequency power amplifiers (2) respectively.
The power supply circuits of radio-frequency power amplifier the most according to claim 1, it is characterised in that described first on-off circuit
(5) including multiple one-way switch (52), one end of multiple described one-way switches (52) is connected with described power supply (1) respectively, multiple
The other end of described one-way switch (52) respectively with the radio-frequency power of the first quantity in multiple described radio-frequency power amplifiers (2)
Amplifier connects one to one;
Volume residual in addition to the radio-frequency power amplifier of described first quantity in multiple described radio-frequency power amplifiers (2)
Radio-frequency power amplifier electrically connects with described power supply (1).
5. a mobile terminal, it is characterised in that including: the radio-frequency power amplifier as described in any one of Claims 1 to 4
Power supply circuits.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610609376.1A CN106301246B (en) | 2016-07-28 | 2016-07-28 | Power supply circuit of radio frequency power amplifier and mobile terminal |
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Application Number | Priority Date | Filing Date | Title |
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CN201610609376.1A CN106301246B (en) | 2016-07-28 | 2016-07-28 | Power supply circuit of radio frequency power amplifier and mobile terminal |
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CN106301246A true CN106301246A (en) | 2017-01-04 |
CN106301246B CN106301246B (en) | 2020-06-05 |
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CN201610609376.1A Active CN106301246B (en) | 2016-07-28 | 2016-07-28 | Power supply circuit of radio frequency power amplifier and mobile terminal |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106535036A (en) * | 2017-01-20 | 2017-03-22 | 广州岳胜电子科技有限公司 | Portable wireless power amplifier |
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CN1585292A (en) * | 2003-08-22 | 2005-02-23 | 智邦科技股份有限公司 | Radio frequency power controlling systems |
CN201947223U (en) * | 2010-12-27 | 2011-08-24 | 中兴通讯股份有限公司 | Power-amplifying circuit and mobile terminal |
CN103236870A (en) * | 2013-04-16 | 2013-08-07 | 环旭电子股份有限公司 | High-isolation circuit with LNA (low-noise amplifier) and method for improving isolation |
US20140015603A1 (en) * | 2012-07-13 | 2014-01-16 | Amalfi Semiconductor, Inc. | Multi-Band/Multi-Mode Power Amplifier with Signal Path Hardware Sharing |
CN105099484A (en) * | 2014-05-16 | 2015-11-25 | 美商微频股份有限公司 | Global frequency range RFFE module and system thereof |
CN105577261A (en) * | 2014-10-31 | 2016-05-11 | 天工方案公司 | Diversity receiver front end system with variable-gain amplifiers |
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2016
- 2016-07-28 CN CN201610609376.1A patent/CN106301246B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1585292A (en) * | 2003-08-22 | 2005-02-23 | 智邦科技股份有限公司 | Radio frequency power controlling systems |
CN201947223U (en) * | 2010-12-27 | 2011-08-24 | 中兴通讯股份有限公司 | Power-amplifying circuit and mobile terminal |
US20140015603A1 (en) * | 2012-07-13 | 2014-01-16 | Amalfi Semiconductor, Inc. | Multi-Band/Multi-Mode Power Amplifier with Signal Path Hardware Sharing |
CN103236870A (en) * | 2013-04-16 | 2013-08-07 | 环旭电子股份有限公司 | High-isolation circuit with LNA (low-noise amplifier) and method for improving isolation |
CN105099484A (en) * | 2014-05-16 | 2015-11-25 | 美商微频股份有限公司 | Global frequency range RFFE module and system thereof |
CN105577261A (en) * | 2014-10-31 | 2016-05-11 | 天工方案公司 | Diversity receiver front end system with variable-gain amplifiers |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106535036A (en) * | 2017-01-20 | 2017-03-22 | 广州岳胜电子科技有限公司 | Portable wireless power amplifier |
CN106535036B (en) * | 2017-01-20 | 2019-12-17 | 广州岳胜电子科技有限公司 | portable wireless power amplifier |
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