CN106330102A - Power amplification system, method and device - Google Patents
Power amplification system, method and device Download PDFInfo
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- CN106330102A CN106330102A CN201510394108.8A CN201510394108A CN106330102A CN 106330102 A CN106330102 A CN 106330102A CN 201510394108 A CN201510394108 A CN 201510394108A CN 106330102 A CN106330102 A CN 106330102A
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- 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
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/04—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
- H03F1/06—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators
- H03F1/07—Doherty-type amplifiers
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Abstract
The invention provides a power amplification system, method and device. The power amplification method comprises the steps of determining peak-to-average ratios of input signals; selecting peak amplifiers from more than two peak amplifiers of a power amplification system according to the peak-to-average ratios of the input signals; and amplifying the power of the input signals by employing the selected peak amplifiers and a carrier amplifier in the power amplification system. Through application of the system, the method and the device, the problem that in the prior art, different signal peak-to-average ratios are not compatible is solved, the different signal peak-to-average ratios are enabled to be compatible, and the effect of achieving the highest efficiency under different system peak-to-average ratios is realized.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of power amplifying system, method and device.
Background technology
In the face of the day by day fierce market competition, the high efficiency of base station products has become as the focus of industry competition, current base
The most widely used a kind of mature technology of power amplifier of standing is exactly Doherty technology, and its advantage is that power amplifier size is little, low cost,
Rollback efficiency is high, and major part power amplifier producer all has started to mass production applications Doherty power amplifier at present.But along with the third generation
Mobile communication technology (the 3th Generation mobile communication technology, referred to as 3G), the 4th
Third-generation mobile communication technology (the 4th Generation mobile communication technology, referred to as 4G) is even
5th third-generation mobile communication technology (the 5th Generation mobile communication technology, referred to as 5G)
The development of technology, even same signaling mode, multimode mix mould configuration also change various, the signal peak-to-average ratio of its correspondence
The most not of uniform size, traditional Doherty power amplifier design is according to specific signal peak-to-average ratio, and design comes compatible specific
The power amplifier scheme of standard, current base station design all belongs to this type of.But the base station products that generally operator needs is to meet
Multi-signal standard is the most energy-efficient, and they are not intended to frequently change hardware product.The most how to make communication base station
Can compatible multi-signal peak-to-average force ratio and green energy conservation?This has become equipment manufacturers and operator is concerned about the most asks
Topic, Fig. 1 is the Doherty power amplifier structural representation in correlation technique, as it is shown in figure 1, this Doherty merit
Rate amplifier is made up of 2 power amplifiers: a main power amplifier, an auxiliary power amplifier, and main power amplifier is operated in B class or AB class,
Auxiliary power amplifier is operated in C class.The power combing of two power amplifiers and impedance transformation are to use quarter-wave 35 ohm
Line realizes 25 ohm of-50 ohmage conversion.But use this Doherty power amplifier cannot solve in correlation technique
The problems referred to above existed.
For present in correlation technique cannot the problem of compatible unlike signal peak-to-average force ratio, effective solution is the most not yet proposed
Scheme.
Summary of the invention
The invention provides a kind of power amplifying system, method and device, so that at least solve cannot present in correlation technique
The problem of compatible unlike signal peak-to-average force ratio.
According to an aspect of the invention, it is provided a kind of power amplifying system, including Carrier Power Amplifier, also include:
Two or more peak power amplifier and output synthesize and impedance transformer network circuit, and wherein, described output closes
Become and impedance transformer network circuit include two or more correspond respectively to said two above peak power amplifier
Distribution network circuit, said two above peak power amplifier is used for and peak power amplifier above with said two is corresponding
Matching network circuit, the power of described Carrier Power Amplifier Combined with Radiotherapy different peak-to-average force ratio signal.
Alternatively, described power amplifier also includes control circuit, and wherein, described control circuit is for according to input signal
Peak-to-average force ratio from said two above peak power amplifier, select peak power amplifier, and control with selection described
The conducting of the matching network circuit that peak power amplifier is corresponding.
Alternatively, described power amplifier also includes the first high-power switching circuit and second largest power switch circuit, wherein,
The input of described first high-power switching circuit peak power above with said two amplifier is connected, described second largest merit
The outfan of rate on-off circuit peak power above with said two amplifier is connected, and described control circuit passes through described first
High-power switching circuit and described second largest power switch circuit select peak from said two above peak power amplifier
Value power amplifier.
According to a further aspect in the invention, it is provided that a kind of power-magnifying method, the peak-to-average force ratio of input signal is comprised determining that;
Peak-to-average force ratio according to described input signal selects its peak work from the two or more peak power amplifier of power amplifying system
Rate amplifier;The Carrier Power Amplifier in the described peak power amplifier selected and described power amplifying system is utilized to put
The power of big described input signal.
Alternatively, according to the peak-to-average force ratio of described input signal from the two or more peak power amplifier of power amplifying system
Peak power amplifier is selected to include: according to the peak-to-average force ratio of described input signal by controlling the above peak power of said two
The input of amplifier and the mode of output select peak from the two or more peak power amplifier of described power amplifying system
Value power amplifier.
Alternatively, at the peak-to-average force ratio according to described input signal from the two or more peak power amplifier of power amplifying system
After middle selection peak power amplifier, also include: control described power amplification system according to the peak power amplifier selected
Matching network electricity corresponding with the described peak power amplifier selected in the power combing of system and impedance transformer network circuit
The conducting on road, wherein, described power combing and impedance transformer network circuit include two or more matching network circuit, institute
State two or more matching network circuit and correspond respectively to said two above peak power amplifier.
According to a further aspect in the invention, it is provided that a kind of power amplifier device, comprise determining that module, be used for determining defeated
Enter the peak-to-average force ratio of signal;Select module, for according to the peak-to-average force ratio of described input signal from the two of power amplifying system with
Upward peak power amplifier selects peak power amplifier;Amplification module, for utilizing the described peak power of selection to put
Carrier Power Amplifier in big device and described power amplifying system amplifies the power of described input signal.
Alternatively, described selection module includes: select unit, for the peak-to-average force ratio according to described input signal by controlling
The input of said two above peak power amplifier and the mode of output are from the two or more peak of described power amplifying system
Value power amplifier selects peak power amplifier.
Alternatively, described device also includes: control module, for controlling described merit according to the peak power amplifier selected
In the power combing of rate amplification system and impedance transformer network circuit with select described peak power amplifier corresponding
The conducting of distribution network circuit, wherein, described power combing and impedance transformer network circuit include two or more matching network
Circuit, the above matching network circuit of said two corresponds respectively to said two above peak power amplifier.
According to a further aspect in the invention, a kind of power amplifying system is additionally provided, including the device described in any of the above-described item.
By the present invention, use two or more peak power amplifier and output synthesis and impedance transformer network circuit,
Wherein, the synthesis of described output and impedance transformer network circuit include that two or more corresponds respectively to more than said two
The matching network circuit of peak power amplifier, said two above peak power amplifier for and with said two more than
The matching network circuit that peak power amplifier is corresponding, described Carrier Power Amplifier Combined with Radiotherapy different peak-to-average force ratio signal
Power.Solve present in correlation technique cannot the problem of compatible unlike signal peak-to-average force ratio, and then reached compatible difference
Signal peak-to-average ratio, it is achieved all can reach the effect of peak efficiency under different systems peak-to-average force ratio.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, the present invention
Schematic description and description be used for explaining the present invention, be not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the Doherty power amplifier structural representation in correlation technique;
Fig. 2 is the structured flowchart of the first power amplifying system according to embodiments of the present invention;
Fig. 3 is the preferred structure block diagram one of the first power amplifying system according to embodiments of the present invention;
Fig. 4 is the preferred structure block diagram two of the first power amplifying system according to embodiments of the present invention;
Fig. 5 is the flow chart of power-magnifying method according to embodiments of the present invention;
Fig. 6 is the structured flowchart of power amplifier device according to embodiments of the present invention;
Fig. 7 is the structured flowchart selecting module 64 in power amplifier device according to embodiments of the present invention;
Fig. 8 is the preferred structure block diagram of power amplifier device according to embodiments of the present invention;
Fig. 9 is the structured flowchart of the second power amplifying system according to embodiments of the present invention;
Figure 10 is the curve synoptic diagram with back-off of the Doherty power amplification efficiency according to embodiments of the present invention;
Figure 11 is Doherty power amplifier Organization Chart according to embodiments of the present invention;
Figure 12 is the structured flowchart of power combing according to embodiments of the present invention and impedance transformer network.
Detailed description of the invention
Below with reference to accompanying drawing and describe the present invention in detail in conjunction with the embodiments.It should be noted that in the feelings do not conflicted
Under condition, the embodiment in the application and the feature in embodiment can be mutually combined.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second "
Etc. being for distinguishing similar object, without being used for describing specific order or precedence.
Fig. 2 is the structured flowchart of the first power amplifying system according to embodiments of the present invention, as in figure 2 it is shown, this power
Amplification system includes Carrier Power Amplifier 22, also includes: two or more peak power amplifier 24 and output close
Becoming and impedance transformer network circuit 26, wherein, the synthesis of this output and impedance transformer network circuit 26 include two
More than correspond respectively to the matching network circuit 28 of above-mentioned two above peak power amplifier, this two or more peak power
Amplifier 24 is used for and the matching network circuit 28 corresponding with this two or more peak power amplifier, carrier power are amplified
The power of device 22 Combined with Radiotherapy different peak-to-average force ratio signal.Wherein, the annexation of above-mentioned each module can be: carrier wave
Power amplifier 22 and two or more peak power amplifier 24 are connected in parallel to output synthesis and impedance transformer network
Circuit 26.(Fig. 2 illustrates as a example by three peak power amplifiers, three its peak work in Fig. 2 specifically to can be found in Fig. 2
Rate amplifier all uses numbering 24 to be indicated, and when reality is applied, three peak power amplifiers can be different
).
Fig. 3 is the preferred structure block diagram one of the first power amplifying system according to embodiments of the present invention, as it is shown on figure 3,
This power amplifying system is except including all modules (that is, the amplifier of each in Fig. 2 and circuit) shown in Fig. 2 outward, also
Including control circuit 32, below this system is illustrated.
Control circuit 32, is connected to above-mentioned two above peak power amplifier 24 and output synthesis and impedance transformation
Lattice network 26, for selecting peak according to the peak-to-average force ratio of input signal from above-mentioned two above peak power amplifier 24
Value power amplifier, and control the conducting of the matching network circuit corresponding with this peak power amplifier selected.
Fig. 4 is the preferred structure block diagram two of the first power amplifying system according to embodiments of the present invention, as shown in Figure 4,
This system is except including that all modules (that is, the amplifier of each in Fig. 3 and circuit) shown in Fig. 3 outward, also include first
Switch 42 and second switch 44, illustrate this system below.
The input of these the first switch 42 peak power amplifiers 24 above with above-mentioned two is connected, this second switch 44
The outfan of peak power amplifier 24 above with above-mentioned two is connected, and above-mentioned control circuit 32 is by the first switch 42
From two or more peak power amplifier 24, peak power amplifier is selected with second switch 44.
Providing a kind of power-magnifying method in the present embodiment, Fig. 5 is power-magnifying method according to embodiments of the present invention
Flow chart, as it is shown in figure 5, this flow process comprises the steps:
Step S502, determines the peak-to-average force ratio of input signal;
Step S504, according to the peak-to-average force ratio of this input signal from the two or more peak power amplifier of power amplifying system
Middle selection peak power amplifier;
Step S506, utilizes the Carrier Power Amplifier in the peak power amplifier and power amplifying system selected to amplify
The power of above-mentioned input signal.
Knowable to above-mentioned steps, power amplifying system includes two or more peak power amplifier, according to input signal
Peak-to-average force ratio can select to meet the peak power amplifier of requirement from this two or more peak power amplifier, such that it is able to
Realize amplifying the power of different peak-to-average force ratio signal.Thus solve present in correlation technique cannot compatible unlike signal peak equal
The problem of ratio, and then reached compatible unlike signal peak-to-average force ratio, it is achieved all can reach the most efficient under different systems peak-to-average force ratio
The effect of rate.
In an optional embodiment, according to the peak-to-average force ratio of above-mentioned input signal from the two or more peak of power amplifying system
Value power amplifier select peak power amplifier include: according to the peak-to-average force ratio of this input signal by controlling above-mentioned two
The above input of peak power amplifier and the mode of output are amplified from the two or more peak power of this power amplifying system
Device selects peak power amplifier.Certainly this kind selects the mode of peak power amplifier to be only a kind of example, also may be used
Select in the way of using other, here, do not enumerate.
In an optional embodiment, at the peak-to-average force ratio according to above-mentioned input signal from the two or more of power amplifying system
After peak power amplifier selects peak power amplifier, also include: control according to the peak power amplifier selected
In the power combing of power amplifying system and impedance transformer network circuit with select this peak power amplifier corresponding
The conducting of distribution network circuit, wherein, this power combing and impedance transformer network circuit include two or more matching network electricity
Road, this two or more matching network circuit corresponds respectively to above-mentioned two above peak power amplifier.
Through the above description of the embodiments, those skilled in the art is it can be understood that arrive according to above-described embodiment
Method can add the mode of required general hardware platform by software and realize, naturally it is also possible to by hardware, but a lot
In the case of the former is more preferably embodiment.Based on such understanding, technical scheme is the most in other words to existing
The part having technology to contribute can embody with the form of software product, and this computer software product is stored in one
In storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions with so that a station terminal equipment (can
To be mobile phone, computer, server, or the network equipment etc.) perform the method described in each embodiment of the present invention.
Additionally providing a kind of power amplifier device in the present embodiment, this device is used for realizing above-described embodiment and being preferable to carry out
Mode, had carried out repeating no more of explanation.As used below, term " module " can realize predetermined function
Software and/or the combination of hardware.Although the device described by following example preferably realizes with software, but firmly
Part, or the realization of the combination of software and hardware also may and be contemplated.
Fig. 6 is the structured flowchart of power amplifier device according to embodiments of the present invention, and as shown in Figure 6, this device includes really
Cover half block 62, selection module 64 (control circuit 32 corresponding to above-mentioned) and amplification module 66, enter this device below
Row explanation.
Determine module 62, for determining the peak-to-average force ratio of input signal;Select module 64, be connected to above-mentioned determine module 62,
From the two or more peak power amplifier of power amplifying system, peak is selected for the peak-to-average force ratio according to above-mentioned input signal
Value power amplifier;Amplification module 66, is connected to above-mentioned selection module 62, for utilizing the peak power of selection to amplify
Carrier Power Amplifier in device and power amplifying system amplifies the power of this input signal.
Fig. 7 is the structured flowchart selecting module 64 in power amplifier device according to embodiments of the present invention, as it is shown in fig. 7,
This selection module 64 includes selecting unit 72, illustrates this selection module 64 below.
Select unit 72, for the peak-to-average force ratio according to above-mentioned input signal by controlling two or more peak power amplifier
The mode of input and output selects peak power amplifier from the two or more peak power amplifier of power amplifying system.
Fig. 8 is the preferred structure block diagram of power amplifier device according to embodiments of the present invention, and as shown in Figure 8, this device removes
Outside including all modules shown in Fig. 6, also include control module 82 (control circuit 32 corresponding to above-mentioned), below right
This device illustrates.
Control module 82, is connected to above-mentioned selection module 64, for controlling power according to the peak power amplifier selected
Matching network corresponding with the peak power amplifier selected in the power combing of amplification system and impedance transformer network circuit
The conducting of circuit, wherein, this power combing and impedance transformer network circuit include two or more matching network circuit, should
Two or more matching network circuit corresponds respectively to two or more peak power amplifier.
Fig. 9 is the structured flowchart of the second power amplifying system according to embodiments of the present invention, as it is shown in figure 9, this power
Amplification system 92 includes the power amplifier device 94 of any of the above-described.
Below as a example by above-mentioned power amplifying system is for Doherty power amplifier, illustrate.
Figure 10 be Doherty power amplification efficiency according to embodiments of the present invention with the curve synoptic diagram of back-off, work as two-way
When the dissymmetry ratio of Doherty is 1:1, power amplifier rollback 6dB can reach peak efficiency, is just applied to peak-to-average force ratio and is
The signaling mode of 6dB;But when signal peak-to-average ratio increases (such as 9.5dB, 12dB), if we still use 1:
1Doherty framework, its efficiency index will deteriorate substantially.Now we may select the Doherty framework of 1:2 or 1:3
Meet the efficiency requirements under different rollback.But all things considered one Doherty framework is only capable of meeting a type of signal
Peak-to-average force ratio, when external signal standard changes, the efficiency of Doherty will necessarily deteriorate substantially.
And the power amplification framework of design is by a carrier amplifier and multiple peak amplifier structure in the embodiment of the present invention
Become, according to the difference of application signal peak-to-average ratio, by control circuit switch peak value amplifier and corresponding matching network,
Form the Doherty framework of different dissymmetry ratio.Under conditions of ensureing linear power output, it is achieved at different systems peak
All than under the purpose being attained by peak efficiency.Thus solve the problems referred to above present in correlation technique.
Figure 11 is Doherty power amplifier Organization Chart according to embodiments of the present invention, as shown in figure 11, this Doherty power amplifier
It is the Doherty power amplifier by control circuit switch peak value power amplifier, is mainly made up of following sections circuit: one
Individual Carrier Power Amplifier, multiple peak power amplifier, input work subnetwork, output impedance transformer network and with
The control circuit of high-power RF switch.
Wherein, M is Carrier Power Amplifier (Carrier Amplifier), or the most main power amplifier (Main
Amplifier), it is possible to referred to as main power amplifier, it is in AB class duty;
P1-PnIt is peak power amplifier (Peak Amplifier) or referred to as auxiliary power amplifier (Auxiliary
Amplifier), it is possible to referred to as auxiliary power amplifier, generally B class or C class state;
Input work subnetwork typically doubles as power distribution and phase equilibrium effect with 3dB electric bridge;
Output impedance transformer network is typically made up of 1/4 wave microstrip line and conjunction waypoint impedance transformation line;
Control circuit part is the core of whole Doherty framework, and it is sent CTRL signal by the board for receiving and sending message of base station,
By controlling the conducting of high power switch, it is achieved Peak Amplifier and the selection of output matching network, finally realize not
Switching with peak power amplifier.
Below in conjunction with Figure 11, workflow is illustrated:
Three groups of control signals, first first group control signal is sent according to the change of signaling mode by base station transceiver buttress
The input of Peak pipe is selected by CTRL1 by the high power switch of input, and second group of control signal CTRL2 is led to
The output of Peak pipe is selected by the high power switch crossing output, and the 3rd group of control signal is divided into n road, it is achieved output
The conversion of matching network, accompanying drawing 12 seen from specific embodiments, Figure 12 be power combing according to embodiments of the present invention and
The structured flowchart of impedance transformer network, owing to the conversion of matching network its essence is the conversion of conjunction waypoint impedance Z in, defeated
The ad-hoc location (needing artificial debugging to determine in design) going out the impedance transformation line of 50 ohm places diode and microwave matching
The cascaded structure of electric capacity, when CTRL signal selects Peak1 work, holding wire 1 high level conducting in Figure 12, its
Remaining holding wire is low level, and corresponding diode cut-off, only microwave capacitors 1 participate in coupling makes conjunction waypoint impedance Z in convert
To desired value, corresponding to the output impedance transformer network of M and Peak1;In like manner when selecting Peak2 work, signal
Line 2 high level turns on, and microwave capacitors 2 participates in coupling and realizes the output impedance transformer network of M and Peak2.The present invention
Implementation in embodiment is simple, is not only able to compatible multi-signal standard, reduces hardware development kind, cost-effective,
And the problem solving the efficiency reduction that different peak-to-average force ratio signal brings very well.Same those skilled in the art are according to this
Patent can be easily carried out.This framework can be widely used in Doherty power amplifier.
It should be noted that above-mentioned modules can be by software or hardware realizes, for the latter, Ke Yitong
Cross in the following manner to realize, but be not limited to this: above-mentioned module is respectively positioned in same processor;Or, above-mentioned module position respectively
In multiple processors.
Embodiments of the invention additionally provide a kind of storage medium.Alternatively, in the present embodiment, above-mentioned storage medium can
To be arranged to storage for the program code performing following steps:
S1, determines the peak-to-average force ratio of input signal;
S2, selects peak according to the peak-to-average force ratio of this input signal from the two or more peak power amplifier of power amplifying system
Value power amplifier;
S3, utilizes the Carrier Power Amplifier in the peak power amplifier and power amplifying system selected to amplify above-mentioned input
The power of signal.
Alternatively, in the present embodiment, above-mentioned storage medium can include but not limited to: USB flash disk, read only memory
(Random Access Memory is called for short for (Read-Only Memory, referred to as ROM), random access memory
For RAM), portable hard drive, the various media that can store program code such as magnetic disc or CD.
Alternatively, in the present embodiment, processor performs above-mentioned steps according to the program code stored in storage medium
S1-S3。
Alternatively, the concrete example in the present embodiment is referred to showing described in above-described embodiment and optional embodiment
Example, the present embodiment does not repeats them here.
For the base station design demand of fixed frequency range and output, compared with prior art, use in the embodiment of the present invention
Scheme can compatible major part signaling mode, not only make to develop kind and be reduced, and it is equal to solve different peak very well
Problem than the efficiency reduction that signal brings.It is truly realized the green energy conservation of base station system.
Obviously, those skilled in the art should be understood that each module of the above-mentioned present invention or each step can be with general
Calculating device to realize, they can concentrate on single calculating device, or be distributed in multiple calculating device and formed
Network on, alternatively, they can realize, it is thus possible to by them with calculating the executable program code of device
Storage is performed by calculating device in the storage device, and in some cases, can hold with the order being different from herein
Step shown or described by row, or they are fabricated to respectively each integrated circuit modules, or by many in them
Individual module or step are fabricated to single integrated circuit module and realize.So, the present invention is not restricted to any specific hardware
Combine with software.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the technology of this area
For personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made is any
Amendment, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a power amplifying system, including Carrier Power Amplifier, it is characterised in that also include: two or more its peak work
Rate amplifier and output synthesize and impedance transformer network circuit, and wherein, the synthesis of described output and impedance become
Switching network circuit includes that two or more corresponds respectively to the matching network of said two above peak power amplifier
Circuit, said two above peak power amplifier is used for and peak power amplifier above with said two is corresponding
Matching network circuit, the power of described Carrier Power Amplifier Combined with Radiotherapy different peak-to-average force ratio signal.
Power amplifying system the most according to claim 1, it is characterised in that described power amplifier also includes controlling electricity
Road, wherein, described control circuit is amplified from the above peak power of said two for the peak-to-average force ratio according to input signal
Device selects peak power amplifier, and controls the matching network electricity corresponding with the described peak power amplifier selected
The conducting on road.
Power amplifying system the most according to claim 2, it is characterised in that described power amplifier also includes that first is big
Power switch circuit and second largest power switch circuit, wherein, described first high-power switching circuit and said two
The input of above peak power amplifier connects, and described second largest power switch circuit and said two are with upward peak
The outfan of power amplifier connects, and described control circuit passes through described first high-power switching circuit and described second
High-power switching circuit selects peak power amplifier from said two above peak power amplifier.
4. a power-magnifying method, it is characterised in that including:
Determine the peak-to-average force ratio of input signal;
Peak-to-average force ratio according to described input signal selects from the two or more peak power amplifier of power amplifying system
Select peak power amplifier;
The Carrier Power Amplifier in the described peak power amplifier selected and described power amplifying system is utilized to put
The power of big described input signal.
Method the most according to claim 4, it is characterised in that according to the peak-to-average force ratio of described input signal from power amplification
The two or more peak power amplifier of system selects peak power amplifier include:
Peak-to-average force ratio according to described input signal by control said two above peak power amplifier input and
The mode of output selects peak power to amplify from the two or more peak power amplifier of described power amplifying system
Device.
Method the most according to claim 4, it is characterised in that putting from power according to the peak-to-average force ratio of described input signal
After the two or more peak power amplifier of big system selects peak power amplifier, also include:
Power combing and the impedance transformation net of described power amplifying system is controlled according to the peak power amplifier selected
The conducting of matching network circuit corresponding with the described peak power amplifier selected in network circuit, wherein, described merit
Rate synthesis and impedance transformer network circuit include two or more matching network circuit, the above matching network of said two
Circuit corresponds respectively to said two above peak power amplifier.
7. a power amplifier device, it is characterised in that including:
Determine module, for determining the peak-to-average force ratio of input signal;
Select module, be used for the peak-to-average force ratio according to described input signal from the two or more its peak work of power amplifying system
Rate amplifier selects peak power amplifier;
Amplification module, the carrier wave in the described peak power amplifier utilizing selection and described power amplifying system
Power amplifier amplifies the power of described input signal.
Device the most according to claim 7, it is characterised in that described selection module includes:
Select unit, put by controlling the above peak power of said two for the peak-to-average force ratio according to described input signal
The big input of device and the mode of output select from the two or more peak power amplifier of described power amplifying system
Peak power amplifier.
Device the most according to claim 7, it is characterised in that also include:
Control module, for controlling the power combing of described power amplifying system according to the peak power amplifier selected
And in impedance transformer network circuit with the conducting of matching network circuit corresponding to described peak power amplifier selected,
Wherein, described power combing and impedance transformer network circuit include two or more matching network circuit, said two
Above matching network circuit corresponds respectively to said two above peak power amplifier.
10. a power amplifying system, it is characterised in that include the device according to any one of claim 7 to 9.
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CN201510394108.8A CN106330102A (en) | 2015-07-07 | 2015-07-07 | Power amplification system, method and device |
PCT/CN2016/079679 WO2017005034A1 (en) | 2015-07-07 | 2016-04-19 | Power amplification system, method and device |
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CN201510394108.8A CN106330102A (en) | 2015-07-07 | 2015-07-07 | Power amplification system, method and device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113783571A (en) * | 2021-08-25 | 2021-12-10 | 深圳市中科蓝讯科技股份有限公司 | Signal intensity automatic adjusting method, storage medium and chip |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN113783571A (en) * | 2021-08-25 | 2021-12-10 | 深圳市中科蓝讯科技股份有限公司 | Signal intensity automatic adjusting method, storage medium and chip |
CN113783571B (en) * | 2021-08-25 | 2024-03-22 | 深圳市中科蓝讯科技股份有限公司 | Signal intensity automatic adjustment method, storage medium and chip |
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