CN105305983A - Wireless communication device, wireless communication method and power amplifier thereof - Google Patents
Wireless communication device, wireless communication method and power amplifier thereof Download PDFInfo
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- CN105305983A CN105305983A CN201410234101.5A CN201410234101A CN105305983A CN 105305983 A CN105305983 A CN 105305983A CN 201410234101 A CN201410234101 A CN 201410234101A CN 105305983 A CN105305983 A CN 105305983A
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Abstract
The invention discloses a wireless communication device, a wireless communication method and a power amplifier thereof. The wireless communication device comprises the power amplifier and an antenna; the power amplifier comprises first and second power amplification paths and first and second matching modules; the first and second power amplification paths are used for respectively receiving first and second input signals; the first matching module comprises a first input end variable load and a first phase adjusting circuit and is used for adjusting the magnitude and the phase of the first input signal and outputting a first output signal; the second matching module comprises a second input end variable load and a second phase adjusting circuit and is used for adjusting the magnitude and the phase of the second input signal and outputting a second output signal; and the antenna is coupled to the power amplifier and used for transmitting the first output signal and/or the second output signal.
Description
Technical field
The invention relates to a kind of wireless communication technique, and relate to a kind of wireless communication apparatus, method and power amplifier thereof especially.
Background technology
In wireless telecommunication system, usually transceiver (transceiver) is provided with, to process data-signal, conversion such as between encryption, modulation, numeral and analog form, filtering and power amplification etc., and produce the radio frequency (radiofrequency that can transmit for antenna; RF) signal.Wherein, transceiver can support the signal of different mode or different frequency range.The signal of different mode or different frequency range corresponds to different Radio Transmission Technologys respectively, such as global system for mobile communications (GlobalSystemforMobileCommunications; GSM), general packet radio service (GPRS; GeneralPacketRadioService), Wideband-CDMA (WidebandCodeDivisionMultipleAccess; And Long Term Evolution (LongTermEvolution WCDMA); LTE) etc.But the signal as corresponding different mode or different frequency range arranges corresponding power amplifier respectively and processes, and cannot decline making the area of wireless communication apparatus and cost further.
Therefore, how designing new wireless communication apparatus, method and a power amplifier thereof, to solve the above problems, is an industry problem demanding prompt solution for this reason.
Summary of the invention
Therefore, an aspect of of the present present invention is providing a kind of power amplifier.Power amplifier comprises: the first power amplification path, the first matching module, the second power amplification path and the second matching module.First power amplification path receives and is positioned at the first input signal of first frequency scope, the first input signal be multiple first frequency sub-band in corresponding first frequency scope one of them.First matching module comprises first input end and the first output, and wherein first input end is coupled to the first power amplification path, and the first matching module comprises: first input end variable load and first phase Circuit tuning.First input end variable load is electrically connected at first input end, to receive the first input signal from first input end, to be adjusted by the size of load value to the first input signal of adjustment first input end variable load.First phase Circuit tuning comprises the first coupler and one group of first phase adjustment variable load that are electrically connected mutually, wherein the first coupler is electrically connected at first input end and the first output, to receive the first input signal from first input end, after being adjusted by the phase place of load value to the first input signal of this group first phase of adjustment adjustment variable load, export the first output signal in the first output.Second power amplification path receives and is positioned at the second input signal of second frequency scope, the second input signal be multiple second frequency sub-band in corresponding second frequency scope one of them, wherein the frequency of second frequency scope is higher than the frequency of first frequency scope.Second matching module comprises the second input and the second output, and wherein the second input is coupled to the second power amplification path, and the second matching module comprises: the second input variable load and second phase Circuit tuning.Second input variable load is electrically connected at the second input, to receive the second input signal from the second input, to be adjusted by the size of load value to the second input signal of adjustment second input variable load.Second phase Circuit tuning comprises the second coupler and one group of second phase adjustment variable load that are electrically connected mutually, wherein the second coupler is electrically connected at the second input and the second output, to receive the second input signal from the second input, after being adjusted by the phase place of load value to the second input signal of this group second phase of adjustment adjustment variable load, export the second output signal in the second output.
According to one embodiment of the invention, wherein first input end variable load, the second input variable load, this group first phase adjustment variable load and this group second phase adjustment variable load are respectively variable capacitance or variable inductance.
According to another embodiment of the present invention, wherein first input end variable load and first phase Circuit tuning sequentially adjust size and the phase place of the first input signal, and the second input variable load and second phase Circuit tuning sequentially adjust size and the phase place of the second input signal.
According to further embodiment of this invention, wherein the first matching module also comprises one first output variable load, be electrically connected at the first output, to be adjusted by the size of load value to the first input signal of adjustment first output variable load, second matching module also comprises the second output variable load, be electrically connected at the second output, to be adjusted by the size of load value to the second input signal of adjustment second output variable load.
According to yet another embodiment of the invention, wherein the first output variable load and the second output variable load are respectively variable capacitance or variable inductance.
According to the embodiment that the present invention has more, wherein after the first output variable load size of sequentially adjusting the first input signal in first input end variable load and first phase Circuit tuning and phase place, adjust the size of the first input signal again, after the size that second output variable load sequentially adjusts the second input signal in the second input variable load and second phase Circuit tuning and phase place, then adjust the size of the second input signal.
According to the embodiment that the present invention has again, wherein first frequency scope is positioned between 700 megahertz to 2000 megahertzes, and second frequency scope is positioned between 2000 megahertz to 2700 megahertzes.
According to one embodiment of the invention, wherein first and second power amplification path comprises the multistage match circuit and multistage amplifier circuit that are in series respectively, to amplify and matching treatment first and second input signal respectively.
Therefore, another aspect of the present invention is providing a kind of wireless communication apparatus.Wireless communication apparatus comprises: power amplifier and antenna.Power amplifier comprises: the first power amplification path, the first matching module, the second power amplification path and the second matching module.First power amplification path receives and is positioned at the first input signal of first frequency scope, the first input signal be multiple first frequency sub-band in corresponding first frequency scope one of them.First matching module comprises first input end and the first output, and wherein first input end is coupled to the first power amplification path, and the first matching module comprises: first input end variable load and first phase Circuit tuning.First input end variable load is electrically connected at first input end, to receive the first input signal from first input end, to be adjusted by the size of load value to the first input signal of adjustment first input end variable load.First phase Circuit tuning comprises the first coupler and one group of first phase adjustment variable load that are electrically connected mutually, wherein the first coupler is electrically connected at first input end and the first output, to receive the first input signal from first input end, after being adjusted by the phase place of load value to the first input signal of this group first phase of adjustment adjustment variable load, export the first output signal in the first output.Second power amplification path receives and is positioned at the second input signal of second frequency scope, the second input signal be multiple second frequency sub-band in corresponding second frequency scope one of them, wherein the frequency of second frequency scope is higher than the frequency of first frequency scope.Second matching module comprises the second input and the second output, and wherein the second input is coupled to the second power amplification path, and the second matching module comprises: the second input variable load and second phase Circuit tuning.Second input variable load is electrically connected at the second input, to receive the second input signal from the second input, to be adjusted by the size of load value to the second input signal of adjustment second input variable load.Second phase Circuit tuning comprises the second coupler and one group of second phase adjustment variable load that are electrically connected mutually, wherein the second coupler is electrically connected at the second input and the second output, to receive the second input signal from the second input, after being adjusted by the phase place of load value to the second input signal of this group second phase of adjustment adjustment variable load, export the second output signal in the second output.Antenna is coupled to power amplifier, to transmit the first output signal and/or the second output signal.
According to one embodiment of the invention, wherein first input end variable load, the second input variable load, this group first phase adjustment variable load and this group second phase adjustment variable load are respectively variable capacitance or variable inductance.
According to another embodiment of the present invention, wherein first input end variable load and first phase Circuit tuning sequentially adjust size and the phase place of the first input signal, and the second input variable load and second phase Circuit tuning sequentially adjust size and the phase place of the second input signal.
According to further embodiment of this invention, wherein the first matching module also comprises one first output variable load, be electrically connected at the first output, to be adjusted by the size of load value to the first input signal of adjustment first output variable load, second matching module also comprises the second output variable load, be electrically connected at the second output, to be adjusted by the size of load value to the second input signal of adjustment second output variable load.
According to yet another embodiment of the invention, wherein the first output variable load and the second output variable load are respectively variable capacitance or variable inductance.
According to the embodiment that the present invention has more, wherein after the first output variable load size of sequentially adjusting the first input signal in first input end variable load and first phase Circuit tuning and phase place, adjust the size of the first input signal again, after the size that second output variable load sequentially adjusts the second input signal in the second input variable load and second phase Circuit tuning and phase place, then adjust the size of the second input signal.
According to the embodiment that the present invention has again, wherein first frequency scope is positioned between 700 megahertz to 2000 megahertzes, and second frequency scope is positioned between 2000 megahertz to 2700 megahertzes.
According to one embodiment of the invention, wherein first and second power amplification path comprises the multistage match circuit and multistage amplifier circuit that are in series respectively, to amplify and matching treatment first and second input signal respectively.
Therefore, another aspect of the present invention is providing a kind of wireless communication method.Wireless communication method is applied in wireless communication apparatus, comprises the following step.Receive the first input signal being positioned at first frequency scope via the first power amplification path, and/or receive the second input signal being positioned at second frequency scope via the second power amplification path; Wherein this first input signal be multiple first frequency sub-band in first frequency scope one of them, this second input signal be multiple second frequency sub-band in second frequency scope one of them, and the frequency of this second frequency scope is higher than the frequency of first frequency scope.Adjusted by the size of load value to the first input signal adjusting the first input end variable load that the first matching module comprises; The first coupler in the first phase Circuit tuning comprised by the first matching module receives the first input signal, and the load value of variable load is adjusted by the one group of first phase be electrically connected mutually with the first coupler in adjustment first phase Circuit tuning, the phase place of the first input signal is adjusted, to produce the first output signal; Adjusted by the size of load value to the second input signal adjusting the second input variable load that the second matching module comprises; The second coupler in the second phase Circuit tuning comprised by the second matching module receives the second input signal, and the load value of variable load is adjusted by the one group of second phase be electrically connected mutually with the second coupler in adjustment second phase Circuit tuning, the phase place of the second input signal is adjusted, to produce the second output signal; And transmit the first output signal and/or the second output signal via antenna.
According to one embodiment of the invention, wireless communication method also comprises: the first output variable load comprised by the first matching module, after the size sequentially adjusting the first input signal in the first output variable load in first input end variable load and first phase Circuit tuning and phase place, then adjust the size of the first input signal; And by the second output variable load that the second matching module comprises, after the size sequentially adjusting the second input signal in the second output variable load in the second input variable load and second phase Circuit tuning and phase place, then adjust the size of the second input signal.
Application the invention has the advantages that the design of wireless communication apparatus of the present invention by power amplifier, the signal of different frequency range and different mode in suitable wide frequency range is received in single power amplifier circuit, to adjust size and the phase place of signal, carry out power amplification with after the process of mating, and transmitted by antenna, to reach the effect significantly reducing area and cost, and reach above-mentioned object easily.
Accompanying drawing explanation
Fig. 1 is in one embodiment of the invention, a kind of calcspar of wireless communication apparatus;
Fig. 2 is in one embodiment of the invention, the calcspar of power amplifier;
Fig. 3 is in one embodiment of the invention, the calcspar of power amplifier; And
Fig. 4 is in one embodiment of the invention, a kind of flow chart of wireless communication method.
Embodiment
Please refer to Fig. 1.Fig. 1 is in one embodiment of the invention, a kind of calcspar of wireless communication apparatus 1.Wireless communication apparatus 1 comprises: Base Band transceiver 10, duplexer and filter 12, transceiver and frequency band handover module 14 and antenna 16.
As shown in Figure 1, in data transmission, Base Band transceiver 10 can produce the data-signal of third generation mobile technology (3G) or forth generation mobile communication technology (4G), after carrying out via power amplifier 100 amplifying and mate, be further processed with transceiver and frequency band handover module 14 by duplexer and filter 12, and send out from antenna 16.And Base Band transceiver 10 produce the data-signal of second generation mobile communication technology (2G), after then can carrying out amplifying and mate via power amplifier 102, be further processed by transceiver and frequency band handover module 14, and send out from antenna 16.
And in data receiver, the data-signal that antenna 16 receives, after can processing with duplexer and filter 12 via transceiver and frequency band handover module 14, via low-noise amplifier (lownoiseamplifier; LNA) 104 carry out amplifying and mating, then are received by Base Band transceiver 10.
Please refer to Fig. 2.Fig. 2 is in one embodiment of the invention, the calcspar of power amplifier 100.Power amplifier 100 comprises the first matching module 202, second power amplification path, power amplification path 200, first 204 and the second matching module 206.
Power amplifier 100 can receive the first input signal Vi1 being positioned at the first band limits and/or the second input signal Vi2 being positioned at the second band limits, and the frequency of the second band limits is higher than the frequency of the first band limits.In an embodiment, first frequency scope is positioned between 700 megahertzes (MHz) to 2000 megahertzes, and this second frequency scope is positioned between 2000 megahertz to 2700 megahertzes.Wherein, the first input signal Vi1 and the second input signal Vi2 is radiofrequency signal.
Power amplifier 100 can carry out the process of power amplification further to the first input signal Vi1 and/or the second input signal Vi2, and produces the first output signal Vo1 and/or second output signal Vo2.
First power amplification path 200 is positioned at the first input signal Vi1 of first frequency scope in order to receive.First input signal Vi1 may correspond in first frequency scope multiple first input frequency sub-band one of them.For example, with Long Term Evolution (LongTermEvolution; LTE) example is defined as in, first input signal Vi1 may correspond in B5/ (B8+B26), B14/B20, B12/B13/B17, B3/B4 and B1/ (B2+B25) five frequency bands one of them, and above-mentioned B1, B2, B3 ... respectively correspond to the frequency range near a characteristic frequency.For example, B2 about corresponds to the frequency range near 1900 megahertzes, and B12 about corresponds to the frequency range near 700 megahertzes.It is noted that above-mentioned number of frequency bands and frequency band range are only an embodiment, the present invention is not by it is limit.
In an embodiment, the first power amplification path 200 can comprise the multistage match circuit and multistage amplifier circuit that are in series, the match circuit 210,212 illustrated such as but not limited to Fig. 2 and amplifying circuit 214,216.Match circuit 210,212 and amplifying circuit 214,216 can amplify and matching treatment the first input signal Vi1.In an embodiment, power amplifier 100 can also comprise control module 208.The first input frequency sub-band that control module 208 can be positioned at according to the first input signal Vi1, the match circuit comprise the first power amplification path 200 and amplifying circuit provide power supply and carry out suitable control, to reach the process effect of amplifying and mating.
First matching module 202 comprises first input end In1 and the first output Out1.Wherein, first input end In1 is coupled to the first power amplification path 200.First matching module 202 comprises: first input end variable load 220 and first phase Circuit tuning 222.
First input end variable load 220 is electrically connected at first input end In1, to receive the first input signal Vi1 from first input end In1, with the load value by adjustment first input end variable load 220, adjusts the size of the first input signal Vi1.In the present embodiment, first input end variable load 220 is that to illustrate be a variable capacitance.Therefore, by the capacitance of adjustment first input end variable load 220, can adjust the size of the first input signal Vi1.In other embodiments, first input end variable load 220 can be variable inductance, to be reached effect of the size of adjustment first input signal Vi1 by its inductance value of adjustment.
First phase Circuit tuning 222 comprises the first coupler 224 and one group of first phase adjustment variable load 226.Wherein, the first coupler 224 is electrically connected at first input end In1 and the first output Out1, to receive the first input signal Vi1 from first input end In1.
First phase adjustment variable load 226 is electrically connected at the first coupler 224.In an embodiment, be same numerical value by adjusting the load value of this group first phase adjustment variable load 226, first phase Circuit tuning 222 can adjust the phase place of the first input signal Vi1 received by the first coupler 224.
In an embodiment, this group first phase adjustment variable load 226 is that to illustrate be two variable capacitances.Therefore, by the capacitance of adjustment first phase adjustment variable load 226, can adjust the phase place of the first input signal Vi1.In other embodiments, first phase adjustment variable load 226 can be variable inductance, by the inductance value of adjustment first phase adjustment variable load 226, can adjust the phase place of the first input signal Vi1.
In implementation, first matching module 202 can first by the load value of adjustment first input end variable load 220, after the size of the first input signal Vi1 is adjusted, then adjusted the load value of variable load 226 by adjustment first phase, to adjust the phase place of the first input signal Vi1.In an embodiment, the load value of first input end variable load 220 and first phase adjustment variable load 226, the first input frequency sub-band that can be positioned at according to the first input signal Vi1 by control module 208 and adjusting.
Second power amplification path 204 is positioned at the second input signal Vi2 of second frequency scope in order to receive.Second input signal Vi2 may correspond in second frequency scope multiple second input frequency sub-band one of them.For example, to be defined as example in Long Term Evolution, the second input signal Vi2 may correspond in B40, B38/B41 and BAND7 three frequency bands one of them, and above-mentioned B40, B38, B41 ... respectively correspond to the frequency range near a characteristic frequency.For example, B38 about corresponds to the frequency range near 2500 megahertzes, and B40 about corresponds to the frequency range near 2300 megahertzes.It is noted that above-mentioned number of frequency bands and frequency band range are only an embodiment, the present invention is not by it is limit.
In an embodiment, the second power amplification path 204 can comprise the multistage match circuit and multistage amplifier circuit that are in series, the match circuit 230,232 illustrated such as but not limited to Fig. 2 and amplifying circuit 234,236.Match circuit 230,232 and amplifying circuit 234,236 can amplify and matching treatment the second input signal Vi2.In an embodiment, the second input frequency sub-band that control module 208 also can be positioned at according to the second input signal Vi2, the match circuit comprise the second power amplification path 204 and amplifying circuit provide power supply and carry out suitable control, to reach the process effect of amplifying and mating.
Second matching module 206 comprises the second input In2 and the second output Out2.Wherein, the second input In2 is coupled to the second power amplification path 204.Second matching module 206 comprises: the second input variable load 240 and second phase Circuit tuning 242.
Second input variable load 240 is electrically connected at the second input In2, to receive the second input signal Vi2 from the second input In2, with the load value by adjustment second input variable load 240, adjusts the size of the second input signal Vi2.In the present embodiment, the second input variable load 240 is that to illustrate be a variable capacitance.Therefore, by adjusting the capacitance of the second input variable load 240, can adjust the size of the second input signal Vi2.In other embodiments, the second input variable load 240 can be variable inductance, to be reached effect of the size of adjustment second input signal Vi2 by its inductance value of adjustment.
Second phase Circuit tuning 242 comprises the second coupler 244 and one group of second phase adjustment variable load 246.Wherein, the second coupler 244 is electrically connected at the second input In2 and the second output Out2, to receive the second input signal Vi2 from the second input In2.
Second phase adjustment variable load 246 is electrically connected at the second coupler 244.In an embodiment, be same numerical value by adjusting the load value of this group second phase adjustment variable load 246, second phase Circuit tuning 242 can adjust the phase place of the second input signal Vi2 received by the second coupler 244.
In an embodiment, this group second phase adjustment variable load 246 is that to illustrate be two variable capacitances.Therefore, by the capacitance of adjustment second phase adjustment variable load 246, can adjust the phase place of the second input signal Vi2.In other embodiments, second phase adjustment variable load 246 can be variable inductance, by the inductance value of adjustment second phase adjustment variable load 246, can adjust the phase place of the second input signal Vi2.
In implementation, second matching module 206 can first by the load value of adjustment second input variable load 240, after the size of the second input signal Vi2 is adjusted, then adjusted the load value of variable load 246 by adjustment second phase, to adjust the phase place of the second input signal Vi2.In an embodiment, the load value of the second input variable load 240 and second phase adjustment variable load 246, the second input frequency sub-band that can be positioned at according to the second input signal Vi2 by control module 208 and adjusting.
In an embodiment, the antenna 16 that Fig. 1 illustrates is the first output Out1 and the second output Out2 that are coupled to the first matching module 202 and the second matching module 206, to transmit the first output signal Vo1 that the first matching module 202 produces and/or the second output signal Vo2 that the second matching module 206 produces further.
Therefore, wireless communication apparatus 1 of the present invention is by the design of power amplifier 100, the signal of different frequency range and different mode in suitable wide frequency range is received in single power amplifier circuit, to adjust size and the phase place of signal, carry out power amplification with after the process of mating, and transmitted by antenna, to reach the effect significantly reducing area and cost.
Fig. 3 is in one embodiment of the invention, the calcspar of power amplifier 300.The power amplifier 300 of Fig. 3 comprises the first power amplification path 200, first matching module 202 ', the second power amplification path 204 and the second matching module 206 '.The structure of the first power amplification path 200, first matching module 202 ', the second power amplification path 204 and the second matching module 206 ', with first matching module 202, the second power amplification path, power amplification path 200, first 204 of Fig. 2 and the structure of the second matching module 206 in fact similar, therefore no longer identical part repeats.
In the present embodiment, the first matching module 202 ' also comprises the first output variable load 302, second matching module 206 ' and also comprises the second output variable load 304.
First output variable load 302 is electrically connected at the first output Out1.In implementation, first matching module 202 ' is after adjusting the size and phase place that variable load 226 adjusts the first input signal Vi1 by first input end variable load 220 and first phase, again by the load value of adjustment first output variable load 302, further adjustment can be done to the size of the first input signal Vi1.
In the present embodiment, the first output variable load 302 is that to illustrate be a variable capacitance.Therefore, by adjusting the capacitance of the first output variable load 302, can adjust the size of the first input signal Vi1.In other embodiments, the first output variable load 302 can be variable inductance, to be reached effect of the size of adjustment first input signal Vi1 by its inductance value of adjustment.
Similarly, the second output variable load 304 is electrically connected at the second output Out2.In implementation, second matching module 206 ' is after adjusting the size and phase place that variable load 246 adjusts the second input signal Vi2 by the second input variable load 240 and second phase, again by the load value of adjustment second output variable load 304, further adjustment can be done to the size of the second input signal Vi2.
In the present embodiment, the second output variable load 304 is that to illustrate be a variable capacitance.Therefore, by adjusting the capacitance of the second output variable load 304, can adjust the size of the second input signal Vi2.In other embodiments, the second output variable load 304 can be variable inductance, to be reached effect of the size of adjustment second input signal Vi2 by its inductance value of adjustment.
In an embodiment, the load value of the first output variable load 302 and the second output variable load 304, can by control module 208 respectively according to the first input frequency sub-band that the first input signal Vi1 is positioned at, and the second input frequency sub-band and adjusting that the second input signal Vi2 is positioned at.
Please refer to Fig. 4.Fig. 4 is in one embodiment of the invention, a kind of flow chart of wireless communication method 400.Wireless communication method 400 can be applicable to as Fig. 1 in the wireless communication apparatus 1 that illustrates.Wireless communication method 400 comprises the following step (should be appreciated that, step mentioned in the present embodiment, except chatting its order person bright especially, all can adjust its tandem according to actual needs, even can perform simultaneously or partly simultaneously).
In step 401, receive the first input signal Vi1 of being positioned at first frequency scope via the first power amplification path 200 and/or receive via the second power amplification path 204 and be positioned at the second input signal Vi2 of second frequency scope, wherein the frequency of second frequency scope is higher than the frequency of first frequency scope.
In step 402, adjusted by the size of load value to the first input signal Vi1 adjusting the first input end variable load 220 that the first matching module 202 comprises.
In step 403, the first coupler 224 in the first phase Circuit tuning 222 comprised by the first matching module 202 receives the first input signal Vi1, and the load value of variable load 226 is adjusted by the one group of first phase be electrically connected with the first coupler 224 phase in adjustment first phase Circuit tuning 222, the phase place of the first input signal Vi1 is adjusted, to produce the first output signal Vo1.
In step 404, adjusted by the size of load value to the second input signal Vi2 adjusting the second input variable load 240 that the second matching module 206 comprises.
In step 405, the second coupler 244 in the second phase Circuit tuning 242 comprised by the second matching module 206 receives the second input signal Vi2, and the load value of variable load 246 is adjusted by the one group of second phase be electrically connected with the second coupler 244 phase in adjustment second phase Circuit tuning 242, the phase place of the second input signal Vi2 is adjusted, to produce the second output signal Vo2.
In step 406, transmit the first output signal Vo1 and/or second output signal Vo2 via antenna 16.In an embodiment, power amplifier 100 can be as shown in Figure 1, duplexer and filter 12 and transceiver and frequency band handover module 14 are optionally set, output signal Vo2 send out via antenna 16 to output signal Vo1 and/or second by first through duplexer and filter 12 and transceiver and frequency band handover module 14.
Although the present invention discloses as above with execution mode; so itself and be not used to limit the present invention; anyly be familiar with this those skilled in the art; without departing from the spirit and scope of the present invention; when being used for a variety of modifications and variations, the scope that therefore protection scope of the present invention ought define depending on appending claims is as the criterion.
Claims (18)
1. a power amplifier, is characterized in that, comprises:
One first power amplification path, is positioned at one first input signal of a first frequency scope in order to receive, this first input signal be to should multiple first frequency sub-band in first frequency scope one of them;
One first matching module, comprises a first input end and one first output, and wherein this first input end is coupled to this first power amplification path, and this first matching module comprises: a first input end variable load and a first phase Circuit tuning; This first input end variable load is electrically connected at this first input end, to receive this first input signal from this first input end, adjusts with the size of load value to this first input signal by adjusting this first input end variable load; This first phase Circuit tuning comprises one first coupler and one group of first phase adjustment variable load of electric connection, wherein this first coupler is electrically connected at this first input end and this first output, to receive this first input signal from this first input end, be export one first output signal in this first output after the phase place of same numerical value to this first input signal adjusts to be adjusted the load value of variable load by this group first phase of adjustment;
One second power amplification path, in order to receive one second input signal of the second frequency scope that is positioned at, this second input signal be to should multiple second frequency sub-band in second frequency scope one of them, wherein the frequency of this second frequency scope is higher than the frequency of this first frequency scope; And
One second matching module, comprises one second input and one second output, and wherein this second input is coupled to this second power amplification path, and this second matching module comprises: one second input variable load and a second phase Circuit tuning; This second input variable load is electrically connected at this second input, to receive this second input signal from this second input, adjusts with the size of load value to this second input signal by adjusting this second input variable load; This second phase Circuit tuning comprises one second coupler and one group of second phase adjustment variable load of electric connection, wherein this second coupler is electrically connected at this second input and this second output, to receive this second input signal from this second input, be export one second output signal in this second output after the phase place of same numerical value to this second input signal adjusts to be adjusted the load value of variable load by this group second phase of adjustment.
2. power amplifier according to claim 1, it is characterized in that, this first input end variable load, this second input variable load, this group first phase adjustment variable load and this group second phase adjustment variable load are respectively a variable capacitance or a variable inductance.
3. power amplifier according to claim 1, is characterized in that, this first input end variable load and this first phase Circuit tuning sequentially adjust size and the phase place of this first input signal; This second input variable load and this second phase Circuit tuning sequentially adjust size and the phase place of this second input signal.
4. power amplifier according to claim 1, it is characterized in that, this first matching module also comprises one first output variable load, is electrically connected at this first output, adjusts with the size of load value to this first input signal by adjusting this first output variable load; This second matching module also comprises one second output variable load, is electrically connected at this second output, adjusts with the size of load value to this second input signal by adjusting this second output variable load.
5. power amplifier according to claim 4, is characterized in that, this first output variable load and this second output variable load are respectively a variable capacitance or a variable inductance.
6. power amplifier according to claim 4, it is characterized in that, after the size that this first output variable load sequentially adjusts this first input signal in this first input end variable load and this first phase Circuit tuning and phase place, then adjust the size of this first input signal; After the size that this second output variable load sequentially adjusts this second input signal in this second input variable load and this second phase Circuit tuning and phase place, then adjust the size of this second input signal.
7. power amplifier according to claim 1, is characterized in that, this first frequency scope is positioned between 700 megahertz to 2000 megahertzes, and this second frequency scope is positioned between 2000 megahertz to 2700 megahertzes.
8. power amplifier according to claim 1, it is characterized in that, this first and this second power amplification path comprise the multistage match circuit and multistage amplifier circuit that are in series respectively, to carry out an amplification and matching treatment to this first input signal and this second input signal respectively.
9. a wireless communication apparatus, is characterized in that, comprises a power amplifier and an antenna,
Wherein, this power amplifier comprises:
One first power amplification path, is positioned at one first input signal of a first frequency scope in order to receive, this first input signal be to should multiple first frequency sub-band in first frequency scope one of them;
One first matching module, comprises a first input end and one first output, and wherein this first input end is coupled to this first power amplification path, and this first matching module comprises: a first input end variable load and a first phase Circuit tuning; This first input end variable load is electrically connected at this first input end, to receive this first input signal from this first input end, adjusts with the size of load value to this first input signal by adjusting this first input end variable load; This first phase Circuit tuning comprises one first coupler and one group of first phase adjustment variable load of electric connection, wherein this first coupler is electrically connected at this first input end and this first output, to receive this first input signal from this first input end, be export one first output signal in this first output after the phase place of same numerical value to this first input signal adjusts to be adjusted the load value of variable load by this group first phase of adjustment;
One second power amplification path, in order to receive one second input signal of the second frequency scope that is positioned at, this second input signal be to should multiple second frequency sub-band in second frequency scope one of them, wherein the frequency of this second frequency scope is higher than the frequency of this first frequency scope; And
One second matching module, comprises one second input and one second output, and wherein this second input is coupled to this second power amplification path, and this second matching module comprises: one second input variable load and a second phase Circuit tuning; This second input variable load is electrically connected at this second input, to receive this second input signal from this second input, adjusts with the size of load value to this second input signal by adjusting this second input variable load; This second phase Circuit tuning comprises one second coupler and one group of second phase adjustment variable load of electric connection, wherein this second coupler is electrically connected at this second input and this second output, to receive this second input signal from this second input, be export one second output signal in this second output after the phase place of same numerical value to this second input signal adjusts to be adjusted the load value of variable load by this group second phase of adjustment;
Wherein, this antenna, in order to be coupled to this power amplifier, outputs signal to transmit this first output signal and/or second.
10. wireless communication apparatus according to claim 9, it is characterized in that, this first input end variable load, this second input variable load, this group first phase adjustment variable load and this group second phase adjustment variable load are respectively a variable capacitance or a variable inductance.
11. wireless communication apparatus according to claim 9, is characterized in that, this first input end variable load and this first phase Circuit tuning sequentially adjust size and the phase place of this first input signal; This second input variable load and this second phase Circuit tuning sequentially adjust size and the phase place of this second input signal.
12. wireless communication apparatus according to claim 9, it is characterized in that, this first matching module also comprises one first output variable load, being electrically connected at this first output, adjusting with the size of load value to this first input signal by adjusting this first output variable load; This second matching module also comprises one second output variable load, is electrically connected at this second output, adjusts with the size of load value to this second input signal by adjusting this second output variable load.
13. wireless communication apparatus according to claim 12, is characterized in that, this first output variable load and this second output variable load are respectively a variable capacitance or a variable inductance.
14. wireless communication apparatus according to claim 12, it is characterized in that, after the size that this first output variable load sequentially adjusts this first input signal in this first input end variable load and this first phase Circuit tuning and phase place, then adjust the size of this first input signal; After the size that this second output variable load sequentially adjusts this second input signal in this second input variable load and this second phase Circuit tuning and phase place, then adjust the size of this second input signal.
15. wireless communication apparatus according to claim 9, is characterized in that, this first frequency scope is positioned between 700 megahertz to 2000 megahertzes, and this second frequency scope is positioned between 2000 megahertz to 2700 megahertzes.
16. wireless communication apparatus according to claim 9, it is characterized in that, this first and this second power amplification path comprise the multistage match circuit and multistage amplifier circuit that are in series respectively, to carry out an amplification and matching treatment to this first input signal and this second input signal respectively.
17. 1 kinds of wireless communication methods, are applied in a wireless communication apparatus, it is characterized in that, comprise:
Receive one first input signal of the first frequency scope that is positioned at via one first power amplification path, and/or receive one second input signal of the second frequency scope that is positioned at via one second power amplification path; Wherein this first input signal be multiple first frequency sub-band in this first frequency scope one of them, this second input signal be multiple second frequency sub-band in this second frequency scope one of them, and the frequency of this second frequency scope is higher than the frequency of this first frequency scope;
Adjusted by the size of load value to this first input signal adjusting the first input end variable load that one first matching module comprises;
One first coupler in the first phase Circuit tuning comprised by this first matching module receives this first input signal, and the load value adjusting variable load by adjusting the one group of first phase be electrically connected mutually with this first coupler in this first phase Circuit tuning is same numerical value, the phase place of this first input signal is adjusted, to produce one first output signal;
Adjusted by the size of load value to this second input signal adjusting the one second input variable load that one second matching module comprises;
One second coupler in the second phase Circuit tuning comprised by this second matching module receives this second input signal, and the load value adjusting variable load by adjusting the one group of second phase be electrically connected mutually with this second coupler in this second phase Circuit tuning is same numerical value, the phase place of this second input signal is adjusted, to produce one second output signal; And
This first output signal and/or this second output signal is transmitted via an antenna.
18. wireless communication methods according to claim 17, is characterized in that, also comprise:
The one first output variable load comprised by this first matching module, after the size sequentially adjusting this first input signal in this first output variable load in this first input end variable load and this first phase Circuit tuning and phase place, then adjust the size of this first input signal; And
The one second output variable load comprised by this second matching module, after the size sequentially adjusting this second input signal in this second output variable load in this second input variable load and this second phase Circuit tuning and phase place, then adjust the size of this second input signal.
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Application publication date: 20160203 |