CN108683435A - A kind of terminal device and its control method - Google Patents
A kind of terminal device and its control method Download PDFInfo
- Publication number
- CN108683435A CN108683435A CN201810333769.3A CN201810333769A CN108683435A CN 108683435 A CN108683435 A CN 108683435A CN 201810333769 A CN201810333769 A CN 201810333769A CN 108683435 A CN108683435 A CN 108683435A
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- terminal device
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- radio frequency
- path
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
- H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
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- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Transceivers (AREA)
Abstract
A kind of terminal device of the embodiment of the present application offer and its control method, are related to field of terminal technology, are interfered when for avoiding emitting under FFD standards radio frequency transmissions to receiving radio frequency receiving signal.The terminal device includes：Signal processing unit, power amplifier and first selecting unit；The working form of terminal device is FDD and power amplifier is in the case where the first pin of power amplifier exports radio frequency transmissions, first selecting unit disconnects first path；First path is the path of the second pin of conducting power amplifier and the first signal input part of signal processing unit；First pin is connected with second pin by the inside switching circuit of power amplifier, and the inside switching circuit of power amplifier is turned on or off for controlling the first pin with second pin.It is interfered when the embodiment of the present application is for avoiding emitting under FFD standards radio frequency transmissions to receiving radio frequency receiving signal.
Description
Technical field
This application involves field of terminal technology more particularly to a kind of terminal device and its control methods.
Background technology
With the extension of mobile phone market, the demand of standard and frequency range to support is also more and more wider；Especially to drilling for a long time
Into (Long Term Evolution, LTE) Band41 (B41) frequency range, different areas, different operators for frequency range branch
Holding range also has difference, in order to cost-effective, needs the compatible design that full frequency band is carried out to B41, to meet country variant difference
The frequency range demand in market.
It proposes one kind in the prior art to be multiplexed by the duplexer to Band7 (B7) frequency range, to not need
In the case of introducing B41 full frequency band sound waves surface wave filter (Surface Acoustic Wave, SAW), B41 full frequency bands are realized
Extension scheme.However, the working form of B7 frequency ranges be frequency division duplex (Frequency Division Duplexing,
FDD), it is thus possible to radio frequency receiving signal and transmitting radio frequency transmissions, and the selection in power amplifier can be received simultaneously
The isolation of switch is generally smaller, and generally 28dB is hereinafter, the isolation of selecting switch can further subtract under the environment such as high temperature
It is small, therefore the port for exporting radio frequency transmissions can have leakage, the radiofrequency signal of leakage can be by defeated to signal processing unit
To receiving radio frequency reception when entering the port input signal processing unit of radio frequency receiving signal, and then leading to emit radio frequency transmissions
Signal interferes.
Invention content
A kind of terminal device of the embodiment of the present application offer and its control method emit radio frequency hair for avoiding under FFD standards
It is interfered when penetrating signal to receiving radio frequency receiving signal.
In order to solve the above-mentioned technical problem, the application is realized in：
In a first aspect, the embodiment of the present application provides a kind of terminal device, including：Signal processing unit, power amplifier
And first selecting unit；
In the working form of the terminal device be FDD and the power amplifier draws the first of the power amplifier
In the case that foot exports radio frequency transmissions, the first selecting unit, for disconnecting first path；
The first path is that first letter of the second pin with the signal processing unit of the power amplifier is connected
The path of number input terminal；
First pin is connected with the second pin by the inside switching circuit of the power amplifier, the work(
The inside switching circuit of rate amplifier is turned on or off for controlling first pin with the second pin.
Second aspect, the embodiment of the present application provide a kind of control method of terminal device, including：
In the working form of the terminal device be FDD and the power amplifier of the terminal device is in the power amplification
In the case of the first pin output radio frequency transmissions of device, first path is disconnected；
The first path is the signal processing list of second pin and the terminal device that the power amplifier is connected
The path of first signal input part of member；
First pin is connected with the second pin by the inside switching circuit of the power amplifier, the work(
The inside switching circuit of rate amplifier is turned on or off for controlling first pin with the second pin.
The third aspect, the embodiment of the present application provide a kind of terminal device, including：It processor, memory, display and deposits
The computer program that can be run on the memory and on the processor is stored up, the computer program is by the processor
The step of control method of terminal device as described in relation to the first aspect is realized when execution.
Fourth aspect, the embodiment of the present application provide a kind of computer readable storage medium, the computer-readable storage
Computer program is stored on medium, and terminal device as described in relation to the first aspect is realized when the computer program is executed by processor
Control method the step of.
Terminal device provided by the embodiments of the present application, including：Signal processing unit, power amplifier and first choice list
Member；In the working form of the terminal device be FDD and the power amplifier is defeated in the first pin of the power amplifier
In the case of going out radio frequency transmissions, the first selecting unit, for disconnecting first path；Since first path is conducting institute
State the path of the second pin of power amplifier and the first signal input part of the signal processing unit, and first pin
It is connected by the inside switching circuit of the power amplifier with the second pin, the inside switching electricity of the power amplifier
Road is turned on or off for controlling first pin with the second pin, therefore disconnects the first via by first selecting unit
Diameter can be used to export the interference signal of the first pin leakage of radio frequency transmissions to avoid under FDD standards from power amplifier
It is transmitted to signal processing unit by second pin, therefore the embodiment of the present application can be to avoid radio frequency transmissions under FFD standards
Radio frequency receiving signal is interfered.
Description of the drawings
Fig. 1 is one of the schematic diagram of terminal device provided by the embodiments of the present application；
Fig. 2 is the two of the schematic diagram of terminal device provided by the embodiments of the present application；
Fig. 3 is the three of the schematic diagram of terminal device provided by the embodiments of the present application；
Fig. 4 is the four of the schematic diagram of terminal device provided by the embodiments of the present application；
Fig. 5 is the five of the schematic diagram of terminal device provided by the embodiments of the present application；
Fig. 6 is the six of the schematic diagram of terminal device provided by the embodiments of the present application；
Fig. 7 is the seven of the schematic diagram of terminal device provided by the embodiments of the present application；
Fig. 8 is the eight of the schematic diagram of terminal device provided by the embodiments of the present application；
Fig. 9 is the nine of the schematic diagram of terminal device provided by the embodiments of the present application.
Specific implementation mode
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation describes, it is clear that described embodiment is some embodiments of the present application, instead of all the embodiments.Based on this Shen
Please in embodiment, the every other implementation that those of ordinary skill in the art are obtained without creative efforts
Example, shall fall in the protection scope of this application.
The terms "and/or", only a kind of incidence relation of description affiliated partner, indicates that there may be three kinds of passes
System, for example, A and/or B, can indicate：Individualism A exists simultaneously A and B, these three situations of individualism B.
Term " first " and " second " in the description and claims of this application etc. are for distinguishing different pairs
As, rather than for the particular order of description object.For example, the first notification message and second notification message etc. are for distinguishing not
Same notification message, rather than the particular order for describing notification message.
In the embodiment of the present application, " illustrative " or " such as " etc. words for indicate make example, illustration or explanation.This
Application embodiment in be described as " illustrative " or " such as " any embodiment or design scheme be not necessarily to be construed as comparing
Other embodiments or design scheme more preferably or more advantage.Specifically, use " illustrative " or " such as " etc. words purport
Related notion is being presented in specific ways.In addition, in the description of the embodiment of the present application, unless otherwise indicated, " multiples' " contains
Justice refers to two or more.
The working form of B7 frequency ranges is frequency division duplex (Frequency Division Duplex, FDD), it is thus possible to meeting
Radio frequency receiving signal and transmitting radio frequency transmissions are received simultaneously, and the isolation of the selecting switch in power amplifier is universal
It is smaller, with the isolation of selecting switch can further decrease under the environment such as high temperature, therefore export radio frequency hair under generally 28dB
The port for penetrating signal can have a leakage, and the radiofrequency signal of leakage can be by receiving the end of signal to signal processing unit input radio frequency
Mouth input signal processing unit, and then cause to interfere to receiving radio frequency receiving signal when transmitting radio frequency transmissions.
In order to solve this problem, a kind of terminal device of the embodiment of the present application offer and its control method.The terminal device, packet
It includes：Signal processing unit, power amplifier and first selecting unit；It is FDD and institute in the working form of the terminal device
Power amplifier is stated in the case where the first pin of the power amplifier exports radio frequency transmissions, the first choice list
Member, for disconnecting first path；Since first path is the second pin that the power amplifier is connected and the signal processing
The path of first signal input part of unit, and first pin and the second pin pass through in the power amplifier
Portion's switching circuit connection, the inside switching circuit of the power amplifier is for controlling first pin and the second pin
It is turned on or off, therefore first path is disconnected by first selecting unit, can be used from power amplifier to avoid under FDD standards
Signal processing unit is transmitted to by second pin in the interference signal of the first pin leakage of output radio frequency transmissions, therefore
The embodiment of the present application can interfere radio frequency receiving signal to avoid radio frequency transmissions under FFD standards.
Terminal device provided by the embodiments of the present application can be mobile phone, tablet computer, laptop, super mobile personal
Computer (ultra-mobile personal computer, UMPC), net book, personal digital assistant (personal
Digital assistant, PDA), smartwatch, the terminal devices such as Intelligent bracelet or the terminal device can also be other
The terminal device of type, the embodiment of the present application are not construed as limiting.
Embodiment one,
The embodiment of the present application provides a kind of terminal device, specifically, shown in referring to Fig.1, which includes：Signal
Processing unit 11, power amplifier 12 and first selecting unit 13.
It is frequency division duplex (Frequency Division Ware, FDD) and described in the working form of the terminal device
Power amplifier 12 is in the case where the first pin 121 of the power amplifier 12 exports radio frequency transmissions, and described first
Selecting unit 13, for disconnecting first path.
Wherein, the first path is the second pin 122 that the power amplifier 12 is connected and the signal processing list
The path of first signal input part 111 of member 11.
The inside switching circuit 120 that first pin 121 and the second pin 122 pass through the power amplifier 12
Connection, the inside switching circuit 120 of the power amplifier 12 is for controlling first pin 121 and the second pin
122 are turned on or off.
Specifically, the signal processing unit in the embodiment of the present application is specifically as follows the RF transceiver of terminal device,
Processing unit is for being modulated radio frequency transmissions and being demodulated to radio frequency receiving signal；Power amplification implement body can
Think：Multimode multi-frequency power amplifier, power amplifier is for being amplified the power of radio frequency transmissions.
Optionally, the first selecting unit is switch.That is, first selecting unit being turned on or off by itself
To control being turned on or off for first path.
Terminal device provided by the embodiments of the present application, including：Signal processing unit, power amplifier and first choice list
Member；In the working form of the terminal device be FDD and the power amplifier is defeated in the first pin of the power amplifier
In the case of going out radio frequency transmissions, the first selecting unit, for disconnecting first path；Since first path is conducting institute
State the path of the second pin of power amplifier and the first signal input part of the signal processing unit, and first pin
It is connected by the inside switching circuit of the power amplifier with the second pin, the inside switching electricity of the power amplifier
Road is turned on or off for controlling first pin with the second pin, therefore disconnects the first via by first selecting unit
Diameter can be used to export the interference signal of the first pin leakage of radio frequency transmissions to avoid under FDD standards from power amplifier
It is transmitted to signal processing unit by second pin, therefore the embodiment of the present application can be to avoid radio frequency transmissions under FFD standards
Radio frequency receiving signal is interfered.
Further alternative, with reference to shown in Fig. 2, the first selecting unit 13 is single-pole double-throw switch (SPDT) (Single Pole
Double Throw, SPDT), the terminal device further includes：Load unit 14；
In the working form of the terminal device be FDD and the power amplifier 12 is exported in first pin 121
In the case of radio frequency transmissions, the first selecting unit 13 is additionally operable to the 4th path of conducting.
Wherein, the 4th path is the path of the conducting second pin 122 and the load unit 14.
Specifically, as shown in Fig. 2, first selecting unit 13 non-moving end connection power amplifier 12 second pin 122,
First pin 111 of the first moved end connection signal processing unit 11 of first selecting unit 13, the second of first selecting unit 13
Moved end connects load unit 14.When first selecting unit 13 is used to disconnect first path, the non-moving end of first selecting unit 13
It is connected with the second moved end, when first selecting unit 13 is used to that first path to be connected, the moved end of first selecting unit 13 and first
Moved end is connected.
When the first path conducting in the embodiment of the present application, the signal of the output of second pin 122 of power amplifier 12
Successively pass through the second pin 122 of the power amplifier 12, the first selecting unit 13, the signal processing unit 11
First pin 111 enters the signal processing unit 11.
When the 4th path conducting in the embodiment of the present application, 122 output signal of the second pin letter of power amplifier 12
Enter the load unit 14 by the second pin 122 of the power amplifier 12, the first selecting unit 13 number successively.
Further, with reference to shown in Fig. 3, the load unit 14, including：First resistor R1；
The first end of the first resistor R1 connects the first selecting unit 13, the second termination of the first resistor R1
Ground.
Specifically, as shown in figure 3, when first selecting unit 13 is SPDT, the first end of first resistor R1 connects SPDT
The first moved end.
In the working form in the terminal device it is FDD and the power amplifier in the power in above-described embodiment
In the case that amplifier obtains the first pin output radio frequency transmissions, first path, conducting the are disconnected by first selecting unit
Four paths, therefore in the interference signal input load unit 14 that the first pin 121 of power amplifier 12 can be leaked out, from
And the interference signal that the first pin 121 of power amplifier 12 leaks out is converted into heat energy loss and is fallen, avoid power amplifier
It causes to do to receiving radio frequency receiving signal in the interference signal input signal processing unit 11 that 12 the first pin 121 leaks out
It disturbs.
Further, the frequency range of full frequency band B41 is in LTE covering frequency band lists：Within the scope of 2496-2690HZ,
To make terminal device support full frequency band B41, then the SAW using B41 full frequency bands is needed, however, B41 full ranges on the market at present
The SAW package dimensions of section are big, of high cost, not only wanted to the area of printed wiring board (Printed Circuit Board, PCB)
It asks very big, and the manufacturing cost of terminal device can be increased.
Since the uplink transmitting frequency range of B7 frequency ranges is：2500HZ-2570HZ, downlink reception frequency range are 2620-2690HZ, because
This first, the uplink band of B7 frequency ranges and the low frequency band (2496-2570) of B41 are substantially overlapping, only seldom part (2496-
2500,2570-2580) it is not covered with, and when designing duplexer, generally can all design wider than practical frequency range make
The low frequency band of B41 can be supported with the duplexer of bandwidth, therefore B7.Secondly as the frequency of the 100HZ frequency ranges of Domestic support
Ranging from：2555-2655HZ, therefore the frequency range of the filter support of 100HZ frequency ranges includes the intermediate-frequency band of B41
(2555HZ-2655HZ), finally, the band downlink of B7 frequency ranges and the high-frequency band (2620-2690) of B41 are completely overlapped, therefore
The duplexer of B7 can also support the high-frequency band of B41.To sum up, the duplexer and 100HZ frequency ranges of multiplexing B7 frequency ranges can be passed through
Filter support full frequency band B41 to realize.
Specifically, with reference to shown in Fig. 4, terminal device further includes：Second selecting unit 15, duplexer 16 and signal transmitting and receiving
Unit 17.
First signal end of the duplexer 16 connects the first pin 121 of the power amplifier 12, the duplexer
16 second signal end connects the first port 171 of the signal transmitting and receiving unit 17, and the third signal end of the duplexer 16 connects
Connect second selecting unit 15.
In the working frequency range for determining the terminal device be B7 frequency ranges and the terminal device emits radio frequency transmissions
In the case of, the power amplifier 12 is exported for the first pin by radio frequency transmissions in the power amplifier 12
121；The duplexer 16 is used to the radio frequency transmissions handle and radio frequency transmissions export by treated
To the first port 171 of the signal transmitting and receiving unit 17.
That is, when the working frequency range of the terminal device is the feelings that B7 frequency ranges and the terminal device emit radio frequency transmissions
Under condition, radio frequency transmissions once pass through the first pin 121 of power amplifier 12, duplexer 16, signal transmitting and receiving unit 17
First port 171 is transmitted to signal transmitting and receiving unit 17 and is emitted.
Optionally, it is B7 frequency ranges and terminal device reception radio frequency reception in the working frequency range for determining the terminal device
In the case of signal, second selecting unit 15, for the second path to be connected；The signal transmitting and receiving unit 17, for that will connect
The radio frequency receiving signal received is exported in the first port 171 of the signal transmitting and receiving unit 17；
Second path is first port 171 and the institute of the signal transmitting and receiving unit 17 is connected by the duplexer 16
State the path of the second signal input terminal 112 of signal processing unit 11.
That is, when the working frequency range of the terminal device is the feelings that B7 frequency ranges and the terminal device emit radio frequency transmissions
Under condition, radio frequency receiving signal that signal transmitting and receiving unit 17 is received pass through successively signal transmitting and receiving unit 17 first port 171,
The second signal input terminal 112 for being transmitted to signal processing unit 11 of duplexer 16, the second selecting unit 15.
Optionally, referring to Figure 5, second selecting unit 15 is SPDT, and the non-moving end connection of the SPDT is described double
First moved end of work device 16, the SPDT connects the second signal input terminal 112 of the signal processing unit 11.
Further, with reference to shown in Fig. 6, the terminal device further includes：Second selecting unit 15, duplexer 16, signal
Transmit-Receive Unit 17 and filter 18；First signal end of the duplexer 16 connects the first pin of the power amplifier 12
121, the first port 171 of signal transmitting and receiving unit 17 described in the second signal end of the duplexer 16, the third of the duplexer
Signal end connects second selecting unit 15；The third that the first end of the filter 18 connects the power amplifier 12 is drawn
Foot 123, the second end of the filter 18 connect the second port 172 of the signal transmitting and receiving unit 17；
Emit in the first band limits and the terminal device that the working frequency range for determining the terminal device is B41 frequency ranges
In the case of radio frequency transmissions, the power amplifier 12 is used for radio frequency transmissions in the power amplifier 12
First pin 121 exports；
The working frequency range for determining the terminal device be B41 frequency ranges in the first band limits or the first band limits and
In the case of the terminal device transmitting radio frequency transmissions, the power amplifier 12 is used for radio frequency transmissions in institute
State the third pin output 123 of power amplifier 12；
Wherein, the first band limits in the B41 frequency ranges, the second band limits in the B41 frequency ranges and described
All frequencies of B41 frequency ranges described in the combined covering of third band limits in B41 frequency ranges.
Optionally, the first band limits in B41 frequency ranges is 2496-2570HZ, and the second band limits in B41 frequency ranges is
Third band limits in 2555-2655HZ, B41 frequency range is 2620-2690HZ.
Full range may be implemented by being multiplexed the duplexer 16 of B7 frequency ranges and the filter 18 of 100HZ frequency ranges in above-described embodiment
The transmitting of the radio frequency transmissions of section B41.
In the case of the working frequency range of terminal device is the first band limits of B41 frequency ranges, power amplifier 12 is by radio frequency
The first pin 121 for emitting signal in power amplifier 12 exports, therefore when that the working frequency range of terminal device is B41 frequency ranges
In the case of one band limits, the first pin, duplexer 16, signal that radio frequency transmissions pass through power amplifier 12 successively are received
The 171 entering signal Transmit-Receive Unit 17 of first port of bill member 17 is emitted.That is, in the first band limits of B41 frequency ranges
Radio frequency transmissions are emitted by being multiplexed the duplexer of B7 frequency ranges.
When determining that the working frequency range of the terminal device is the second band limits or third band limits in B41 frequency ranges
In the case of, third pin 123 of the power amplifier 12 by radio frequency transmissions in the power amplifier 12 exports, when determining
In the case that the working frequency range for stating terminal device is the first band limits or the first band limits in B41 frequency ranges, radio-frequency transmissions
Signal pass through successively the third pin 123 of power amplifier 12, filter 18, signal transmitting and receiving unit 17 second port 172 into
Enter signal transmitting and receiving unit 17 to be emitted.That is, the second band limits of B41 frequency ranges or the radio-frequency transmissions letter in third band limits
Number by be multiplexed 100HZ frequency ranges filter emitted.
It is further alternative, in the second band limits or that the working frequency range for determining the terminal device is B41 frequency ranges
In the case that three band limits and the terminal device receive radiofrequency signal, the first selecting unit 13 is described for being connected
First path；The power amplifier 12, for the work(to be connected by the inside switching circuit 120 of the power amplifier 12
First pin 121 of rate amplifier 12 and the second pin 122 of the power amplifier 12；The signal transmitting and receiving unit 17 is used
In the radio frequency receiving signal received is exported in first port 171.
That is, in the case that the working frequency range of terminal device is the first band limits of B41 frequency ranges, signal transmitting and receiving unit 17
The radio frequency receiving signal received is successively into the first port 171 of signal transmitting and receiving unit 17, duplexer 16, power amplifier 12 excessively
The first pin 121, the second pin 122 of power amplifier 12, first selecting unit 13 and signal processing unit 11
It is handled in the output to signal processing unit 11 of one signal input part 111, therefore penetrating in the first band limits of B41 frequency ranges
Frequency receives signal and is received by being multiplexed the duplexer 16 of B7 frequency ranges.
It is received in the second band limits and the terminal device that the working frequency range for determining the terminal device is B41 frequency ranges
In the case of radiofrequency signal, the first selecting unit 13, for the first path to be connected；The power amplifier 12 is used
Third pin 123 and the institute of the power amplifier 12 is connected in the inside switching circuit 120 by the power amplifier 12
State the second pin 122 of power amplifier 12；The signal transmitting and receiving unit 13, for by the radio frequency receiving signal received
Two-port netwerk output 172.
That is, in the case that the working frequency range of terminal device is the second band limits of B41 frequency ranges, signal transmitting and receiving unit 17
The radio frequency receiving signal received is successively into the second port 172 of signal transmitting and receiving unit 17, filter 18, power amplifier 12 excessively
Third pin 123, the second pin 122 of power amplifier 12, first selecting unit 13 and signal processing unit 11
One signal input part defeated 111, which goes out into signal processing unit 11, to be handled, therefore penetrating in the second band limits of B41 frequency ranges
Frequency receives signal and is received by being multiplexed the filter 18 of 100HZ frequency ranges.
It is received in the third band limits and the terminal device that the working frequency range for determining the terminal device is B41 frequency ranges
In the case of radiofrequency signal, the first selecting unit 13, for the first path to be connected；Second selecting unit 15,
For third path to be connected；The power amplifier 12, for being led by the inside switching circuit 120 of the power amplifier 12
Lead to the second pin 122 of the 4th pin 124 and the power amplifier 12 of the power amplifier 12；The third path is
The first port 171 of the signal transmitting and receiving unit 17 is connected by the duplexer 16 and the 4th of the power amplifier 12 draws
The path of foot 124.
That is, in the case that the working frequency range of terminal device is the third band limits of B41 frequency ranges, signal transmitting and receiving unit 17
The radio frequency receiving signal received is successively into first port 171, duplexer 16, the second selecting unit for crossing signal transmitting and receiving unit 17
15, the third pin 124 of power amplifier 12, the second port 122 of power amplifier 12, first selecting unit 13 and signal
It is handled in the first signal input part 111 output to signal processing unit 11 of processing unit 11, therefore the third of B41 frequency ranges
Radio frequency receiving signal in band limits is received by being multiplexed the duplexer 16 of B7 frequency ranges.
Full range may be implemented by being multiplexed the duplexer 16 of B7 frequency ranges and the filter 18 of 100HZ frequency ranges in above-described embodiment
The reception of the radio frequency receiving signal of section B41.
Further alternative, on the basis of the above embodiments, terminal device provided by the embodiments of the present application can also wrap
The filter of other frequency ranges can be handled by including, and the quantity of the filter of other frequency ranges can be one or more.Such as：Packet
The filter of other frequency ranges is included to exemplify, then for example：Include the filter of other multiple frequency ranges.
Illustratively, with reference to shown in Fig. 7, terminal device provided by the embodiments of the present application can also include the filter of B40 frequency ranges
Wave device 19.The third port 173 of the 19 first end connection signal Transmit-Receive Unit of filter of B40 frequency ranges, the filter 19 of B40 frequency ranges
Second end connects the 5th pin 125 of power amplifier 12.5th pin 125 of power amplifier 12 can pass through power amplification
The inside switching circuit 120 of device 12 is turned on or off with the 6th pin 126 of power amplifier 12, the power amplifier 12
6th pin 126 is also connected to the third signal input part 113 of the signal processing unit.
Embodiment two,
The application another embodiment provides a kind of control method of terminal device, and this method includes：
In the working form of the terminal device be FDD and the power amplifier of the terminal device is in the power amplification
In the case of the first pin output radio frequency transmissions of device, first path is disconnected.
Wherein, the first path is that the second pin for the power amplifier that the terminal device is connected and the terminal are set
The path of first signal input part of standby signal processing unit；
First pin is connected with the second pin by the inside switching circuit of the power amplifier, the work(
The inside switching circuit of rate amplifier is turned on or off for controlling first pin with the second pin.
Optionally, the method further includes：
In the working frequency range for determining the terminal device be B7 frequency ranges and the terminal device emits radio frequency transmissions
In the case of, radio frequency transmissions are exported in first pin, and by the duplexer of the terminal device by the radio frequency
The signal transmitting and receiving unit of transmitting signal transmission to the terminal device is emitted.
Optionally, the method further includes：
In the working frequency range for determining the terminal device be B7 frequency ranges and the terminal device receives radio frequency receiving signal
In the case of, the second path is connected, the radio frequency receiving signal that the signal transmitting and receiving unit receives is exported in the first port,
And the radio frequency receiving signal is transmitted to by the terminal by the duplexer of the terminal device and second path
The signal processing unit of equipment is handled；
Second path is the path that the duplexer and first signal input part is connected.
Optionally, the method further includes：
Emit in the first band limits and the terminal device that the working frequency range for determining the terminal device is B41 frequency ranges
In the case of radio frequency transmissions, first pin by radio frequency transmissions in terminal device exports, and passes through the end
The signal transmitting and receiving unit that the radio frequency transmissions are transmitted to the terminal device by the duplexer of end equipment emits；
The working frequency range for determining the terminal device be B41 frequency ranges in the second band limits or third band limits and
In the case of terminal device transmitting radio frequency transmissions, by radio frequency transmissions terminal device power amplifier the
Three pins export, and the radio frequency transmissions are transmitted to the letter of the terminal device by the filter of the terminal device
Number Transmit-Receive Unit is emitted；
Wherein, the first band limits in the B41 frequency ranges, the second band limits in the B41 frequency ranges and described
All frequencies of B41 frequency ranges described in the combined covering of third band limits in B41 frequency ranges.
Optionally, the method further includes：
It is received in the first band limits and the terminal device that the working frequency range for determining the terminal device is B41 frequency ranges
In the case of radiofrequency signal, first path is connected, the radio frequency reception that the signal transmitting and receiving unit of the terminal device is received is believed
It number is exported in the first port of the signal transmitting and receiving unit, and duplexer, the terminal device by the terminal device
Power amplifier and the first path radio frequency receiving signal is transmitted to the signal processing list of the terminal device
Member is handled；
It is received in the second band limits and the terminal device that the working frequency range for determining the terminal device is B41 frequency ranges
In the case of radiofrequency signal, the first path is connected, the radio frequency that the signal transmitting and receiving unit of the terminal device receives is connect
The collection of letters number is exported in the second port of the signal transmitting and receiving unit, and the filter by the terminal device, the terminal
The radio frequency receiving signal is transmitted at the signal of the terminal device by the power amplifier of equipment and the first path
Reason unit is handled；
It is received in the third band limits and the terminal device that the working frequency range for determining the terminal device is B41 frequency ranges
In the case of radiofrequency signal, first path is connected, conducting third path receives the signal transmitting and receiving unit of the terminal device
Radio frequency receiving signal exported in the first port of the signal transmitting and receiving unit, and by the duplexer of the terminal device,
The radio frequency receiving signal is transmitted to by the third path, the power amplifier of the terminal device and the first path
The signal processing unit of the terminal device is handled；The third path is that the duplexer and the power amplification is connected
The path of 4th pin of device.
The control method of terminal device provided by the embodiments of the present application, the terminal device working form be FDD and
The power amplifier of the terminal device disconnects the in the case where the first pin of power amplifier exports radio frequency transmissions
One path；Due to the path that a path is second pin and first pin that the power amplifier is connected, and power is put
First pin of big device is connected with the second pin of the power amplifier by the inside switching circuit of the power amplifier,
The inside switching circuit of the power amplifier is turned on or off for controlling first pin with the second pin, therefore
First path is disconnected, can be used to export the first pin leakage of radio frequency transmissions from power amplifier to avoid under FDD standards
Interference signal be transmitted to the signal processing unit of terminal device by second pin, therefore the embodiment of the present application can be to avoid
Radio frequency transmissions interfere radio frequency receiving signal under FFD standards.
Embodiment three,
Fig. 8 is a kind of hardware architecture diagram for the terminal device for realizing each embodiment of the application, as shown in figure 8, should
Terminal device 800 includes but not limited to：Radio frequency unit 101, network module 102, audio output unit 103, input unit 104,
Sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, Yi Ji electricity
The components such as source 111.It will be understood by those skilled in the art that terminal device structure shown in Fig. 8 is not constituted to terminal device
Restriction, terminal device may include either combining certain components or different components than illustrating more or fewer components
Arrangement.In the embodiment of the present application, terminal device include but not limited to mobile phone, tablet computer, laptop, palm PC,
Car-mounted terminal, wearable device and pedometer etc..
Wherein, processor 110, for being B7 frequency ranges and the terminal device in the working frequency range for determining the terminal device
In the case of emitting radio frequency transmissions, control radio frequency unit 101 disconnects first path；
The first path is the second pin for the power amplifier that the radio frequency unit 101 is connected and the radio frequency unit
The path of the first port of 101 signal processing unit；
First pin is connected with the second pin by the inside switching circuit of the power amplifier, the work(
The inside switching circuit of rate amplifier is turned on or off for controlling first pin with the second pin.
It should be understood that the embodiment of the present application in, radio frequency unit 101 can be used for receiving and sending messages or communication process in, signal
Reception and transmitting, specifically, by from base station downlink data receive after, to processor 110 handle；In addition, by uplink
Data are transmitted to base station.In general, radio frequency unit 101 include but not limited to antenna, at least one power amplifier, transceiver,
Coupler, power amplifier, duplexer etc..In addition, radio frequency unit 101 can also by radio communication system and network and other
Equipment communicates.
Terminal device has provided wireless broadband internet to the user by network module 102 and has accessed, and such as user is helped to receive
Send e-mails, browse webpage and access streaming video etc..
It is that audio output unit 103 can receive radio frequency unit 101 or network module 102 or in memory 109
The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 103 can also provide and end
The relevant audio output of specific function that end equipment 800 executes is (for example, call signal receives sound, message sink sound etc.
Deng).Audio output unit 103 includes loud speaker, buzzer and receiver etc..
Input unit 104 is for receiving audio or video signal.Input unit 104 may include graphics processor
(Graphics Processing Unit, GPU) 1041 and microphone 1042, graphics processor 1041 is in video acquisition mode
Or the image data of the static images or video obtained by image capture apparatus (such as camera) in image capture mode carries out
Reason.Treated, and picture frame may be displayed on display unit 106.Through graphics processor 1041, treated that picture frame can be deposited
Storage is emitted in memory 109 (or other storage mediums) or via radio frequency unit 101 or network module 102.Mike
Wind 1042 can receive sound, and can be audio data by such acoustic processing.Treated audio data can be
The format output of mobile communication base station can be emitted to via radio frequency unit 101 by being converted in the case of telephone calling model.
Terminal device 800 further includes at least one sensor 105, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 1061, and proximity sensor can close when terminal device 800 is moved in one's ear
Display panel 1061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, size and the direction of gravity are can detect that when static, can be used to identify terminal device posture (ratio
Such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap)；It passes
Sensor 105 can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, wet
Meter, thermometer, infrared sensor etc. are spent, details are not described herein.
Display unit 106 is for showing information input by user or being supplied to the information of user.Display unit 106 can wrap
Display panel 1061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode may be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 1061.
User input unit 107 can be used for receiving the number or character information of input, and generate the use with terminal device
Family is arranged and the related key signals input of function control.Specifically, user input unit 107 include touch panel 1071 and
Other input equipments 1072.Touch panel 1071, also referred to as touch screen collect user on it or neighbouring touch operation
(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 1071 or in touch panel 1071
Neighbouring operation).Touch panel 1071 may include both touch detecting apparatus and touch controller.Wherein, touch detection
Device detects the touch orientation of user, and detects the signal that touch operation is brought, and transmits a signal to touch controller；Touch control
Device processed receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processor 110, receiving area
It manages the order that device 110 is sent and is executed.Furthermore, it is possible to more using resistance-type, condenser type, infrared ray and surface acoustic wave etc.
Type realizes touch panel 1071.In addition to touch panel 1071, user input unit 107 can also include other input equipments
1072.Specifically, other input equipments 1072 can include but is not limited to physical keyboard, function key (such as volume control button,
Switch key etc.), trace ball, mouse, operating lever, details are not described herein.
Further, touch panel 1071 can be covered on display panel 1061, when touch panel 1071 is detected at it
On or near touch operation after, send processor 110 to determine the type of touch event, be followed by subsequent processing device 110 according to touch
The type for touching event provides corresponding visual output on display panel 1061.Although in fig. 8, touch panel 1071 and display
Panel 1061 is to realize the function that outputs and inputs of terminal device as two independent components, but in some embodiments
In, can be integrated by touch panel 1071 and display panel 1061 and realize the function that outputs and inputs of terminal device, it is specific this
Place does not limit.
Interface unit 108 is the interface that external device (ED) is connect with terminal device 800.For example, external device (ED) may include having
Line or wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port, storage card end
Mouth, port, the port audio input/output (I/O), video i/o port, earphone end for connecting the device with identification module
Mouthful etc..Interface unit 108 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) and
By one or more elements that the input received is transferred in terminal device 800 or can be used in 800 He of terminal device
Transmission data between external device (ED).
Memory 109 can be used for storing software program and various data.Memory 109 can include mainly storing program area
And storage data field, wherein storing program area can storage program area, application program (such as the sound needed at least one function
Sound playing function, image player function etc.) etc.；Storage data field can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 109 may include high-speed random access memory, can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 110 is the control centre of terminal device, utilizes each of various interfaces and the entire terminal device of connection
A part by running or execute the software program and/or module that are stored in memory 109, and calls and is stored in storage
Data in device 109 execute the various functions and processing data of terminal device, to carry out integral monitoring to terminal device.Place
Reason device 110 may include one or more processing units；Optionally, processor 110 can integrate application processor and modulatedemodulate is mediated
Manage device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is main
Processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 110.
Terminal device 800 can also include the power supply 111 (such as battery) powered to all parts, optionally, power supply 111
Can be logically contiguous by power-supply management system and processor 110, to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
In addition, terminal device 800 includes some unshowned function modules, details are not described herein.
Example IV,
With reference to shown in Fig. 9, the embodiment of the present application also provides a kind of terminal device, including：Processor 91, memory 92 and
It is stored in the computer program that can be run on memory 92 and on the processor 81, which is held by processor 81
Each process of the control method embodiment of above-mentioned terminal device is realized when row, and can reach identical technique effect, to avoid
It repeats, which is not described herein again.
The embodiment of the present application also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the computer program realize each mistake of the control method embodiment of above-mentioned terminal device when being executed by processor
Journey, and identical technique effect can be reached, to avoid repeating, which is not described herein again.Wherein, the computer-readable storage medium
Matter, such as read-only memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access
Memory, abbreviation RAM), magnetic disc or CD etc..
Wherein, terminal device provided by the embodiments of the present application, computer storage media are used to execute presented above
Corresponding method, therefore, attainable advantageous effect can refer to the advantageous effect in corresponding method presented above,
Details are not described herein again.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements include not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
There is also other identical elements in the process of element, method, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, the technical solution of the application substantially in other words does the prior art
Going out the part of contribution can be expressed in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are used so that a station terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute each embodiment of the application described in method.
Embodiments herein is described above in conjunction with attached drawing, but the application be not limited to it is above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the enlightenment of the application, the application objective and scope of the claimed protection are not being departed from, can also made very much
Form belongs within the protection of the application.
Claims (14)
1. a kind of terminal device, which is characterized in that including：Signal processing unit, power amplifier and first selecting unit；
In the working form of the terminal device be FDD and the power amplifier is defeated in the first pin of the power amplifier
In the case of going out radio frequency transmissions, the first selecting unit, for disconnecting first path；
The first path be connected the power amplifier second pin and the first signal of the signal processing unit it is defeated
Enter the path at end；
First pin is connected with the second pin by the inside switching circuit of the power amplifier, and the power is put
The inside switching circuit of big device is turned on or off for controlling first pin with the second pin.
2. terminal device according to claim 1, which is characterized in that the terminal device further includes：Second selecting unit,
Duplexer and signal transmitting and receiving unit；First signal end of the duplexer connects first pin, and the of the duplexer
Binary signal end connects the first port of the signal transmitting and receiving unit, third signal end connection second selection of the duplexer
Unit；
The case where the working frequency range for determining the terminal device is B7 frequency ranges and the terminal device emits radio frequency transmissions
Under, the power amplifier, for exporting radio frequency transmissions in first pin；The duplexer, for described
Radio frequency transmissions handle and radio frequency transmissions are exported to the first port by treated.
3. terminal device according to claim 2, which is characterized in that
The case where the working frequency range for determining the terminal device is B7 frequency ranges and the terminal device receives radio frequency receiving signal
Under,
Second selecting unit, for the second path to be connected；The signal transmitting and receiving unit, the radio frequency reception for will receive
Signal is exported in the first port；
Second path is the second signal that the first port and the signal processing unit are connected by the duplexer
The path of input terminal.
4. terminal device according to claim 1, which is characterized in that the terminal device further includes：Second selecting unit,
Duplexer, signal transmitting and receiving unit and filter；First signal end of the duplexer connects first pin, the duplex
The second signal end of device connects the first port of the signal transmitting and receiving unit, the third signal end connection of the duplexer described the
Two selecting units；The first end of the filter connects the third pin of the power amplifier, the second end of the filter
Connect the second port of the signal transmitting and receiving unit；
Emit radio frequency in the first band limits and the terminal device that the working frequency range for determining the terminal device is B41 frequency ranges
In the case of emitting signal, the power amplifier, for exporting the radio frequency transmissions in first pin；
The second band limits in the working frequency range for determining the terminal device is B41 frequency ranges or third band limits and described
In the case that terminal device emits radio frequency transmissions, the power amplifier is used for the radio frequency transmissions described
Third pin exports；
Wherein, the first band limits in the B41 frequency ranges, the second band limits in the B41 frequency ranges and B41 frequencies
All frequencies of B41 frequency ranges described in the combined covering of third band limits in section.
5. terminal device according to claim 4, which is characterized in that
Radio frequency is received in the first band limits and the terminal device that the working frequency range for determining the terminal device is B41 frequency ranges
In the case of signal, the first selecting unit, for the first path to be connected；The inside switching electricity of the power amplifier
Road, for first pin and the second pin to be connected；The signal transmitting and receiving unit, the radio frequency reception for will receive
Signal is exported in the first port；
Radio frequency is received in the second band limits and the terminal device that the working frequency range for determining the terminal device is B41 frequency ranges
In the case of signal, the first selecting unit, for the first path to be connected；The power amplifier, for passing through
The third pin and the second pin is connected in the inside switching circuit for stating power amplifier；The signal transmitting and receiving unit is used
In by the radio frequency receiving signal received second pin export；
Radio frequency is received in the third band limits and the terminal device that the working frequency range for determining the terminal device is B41 frequency ranges
In the case of signal, the first selecting unit, for the first path to be connected；Second selecting unit, for being connected
Third path；The power amplifier, for the power amplification to be connected by the inside switching circuit of the power amplifier
4th pin of device and the second pin；The third path is that the first port and described is connected by the duplexer
The path of 4th pin.
6. according to claim 1-5 any one of them terminal devices, which is characterized in that the terminal device further includes：Load
Unit；
In the working form of the terminal device be FDD and the power amplifier exports radio-frequency transmissions letter in first pin
In the case of number, the first selecting unit is additionally operable to the 4th path of conducting；
4th path is the path that the second pin and the load unit is connected.
7. terminal device according to claim 6, which is characterized in that the load unit, including：First resistor；
The first end of the first resistor connects the first selecting unit, the second end ground connection of the first resistor.
8. according to claim 1-5 any one of them terminal devices, which is characterized in that the first selecting unit is that hilted broadsword is double
Throw switch.
9. a kind of control method of terminal device, which is characterized in that including：
In the working form of the terminal device be FDD and the power amplifier of the terminal device is in the power amplifier
In the case that first pin exports radio frequency transmissions, first path is disconnected；
The first path is the signal processing unit of second pin and the terminal device that the power amplifier is connected
The path of first signal input part；
First pin is connected with the second pin by the inside switching circuit of the power amplifier, and the power is put
The inside switching circuit of big device is turned on or off for controlling first pin with the second pin.
10. according to the method described in claim 9, it is characterized in that, the method further includes：
The case where the working frequency range for determining the terminal device is B7 frequency ranges and the terminal device emits radio frequency transmissions
Under, radio frequency transmissions are exported in first pin, and by the duplexer of the terminal device by the radio-frequency transmissions
The signal transmitting and receiving unit of signal transmission to the terminal device is emitted.
11. according to the method described in claim 9, it is characterized in that, the method further includes：
The case where the working frequency range for determining the terminal device is B7 frequency ranges and the terminal device receives radio frequency receiving signal
Under, be connected the second path, the radio frequency receiving signal that the signal transmitting and receiving unit is received in the signal transmitting and receiving unit the
Single port exports, and the radio frequency receiving signal is transmitted to institute by the duplexer and second path of the terminal device
The signal processing unit for stating terminal device is handled；
Second path is the path that the duplexer and first signal input part is connected.
12. according to the method described in claim 9, it is characterized in that, the method further includes：
Emit radio frequency in the first band limits and the terminal device that the working frequency range for determining the terminal device is B41 frequency ranges
In the case of emitting signal, radio frequency transmissions are exported in first pin, and pass through the duplexer of the terminal device
The signal transmitting and receiving unit that the radio frequency transmissions are transmitted to the terminal device emits；
The second band limits in the working frequency range for determining the terminal device is B41 frequency ranges or third band limits and described
In the case that terminal device emits radio frequency transmissions, the third by radio frequency transmissions in the power amplifier of terminal device is drawn
Foot exports, and the radio frequency transmissions are transmitted to the signal receipts of the terminal device by the filter of the terminal device
Bill member is emitted；
Wherein, the first band limits in the B41 frequency ranges, the second band limits in the B41 frequency ranges and B41 frequencies
All frequencies of B41 frequency ranges described in the combined covering of third band limits in section.
13. according to the method for claim 12, which is characterized in that the method further includes：
Radio frequency is received in the first band limits and the terminal device that the working frequency range for determining the terminal device is B41 frequency ranges
In the case of signal, first path is connected, the radio frequency receiving signal that the signal transmitting and receiving unit of the terminal device receives is existed
The first port of the signal transmitting and receiving unit exports, and passes through the duplexer of the terminal device, the work(of the terminal device
Rate amplifier and the first path by the radio frequency receiving signal be transmitted to the signal processing unit of the terminal device into
Row processing；
Radio frequency is received in the second band limits and the terminal device that the working frequency range for determining the terminal device is B41 frequency ranges
In the case of signal, the first path is connected, the radio frequency reception that the signal transmitting and receiving unit of the terminal device is received is believed
It number is exported in the second port of the signal transmitting and receiving unit, and filter, the terminal device by the terminal device
Power amplifier and the first path radio frequency receiving signal is transmitted to the signal processing list of the terminal device
Member is handled；
Radio frequency is received in the third band limits and the terminal device that the working frequency range for determining the terminal device is B41 frequency ranges
In the case of signal, first path is connected, conducting third path is penetrated what the signal transmitting and receiving unit of the terminal device received
Frequency receives signal and is exported in the first port of the signal transmitting and receiving unit, and passes through the duplexer of the terminal device, described
The radio frequency receiving signal is transmitted to described by third path, the power amplifier of the terminal device and the first path
The signal processing unit of terminal device is handled；The third path is the conducting duplexer and the power amplifier
The path of 4th pin.
14. a kind of terminal device, which is characterized in that including：It processor, memory and is stored on the memory and can be in institute
State the computer program run on processor, when the computer program is executed by the processor realize as claim 9 to
The step of control method of terminal device described in any one of 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333769.3A CN108683435A (en) | 2018-04-13 | 2018-04-13 | A kind of terminal device and its control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333769.3A CN108683435A (en) | 2018-04-13 | 2018-04-13 | A kind of terminal device and its control method |
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| CN108683435A true CN108683435A (en) | 2018-10-19 |
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| CN201810333769.3A Pending CN108683435A (en) | 2018-04-13 | 2018-04-13 | A kind of terminal device and its control method |
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| CN113659997A (en) * | 2021-08-16 | 2021-11-16 | 荣耀终端有限公司 | Radio frequency amplifying circuit, phase adjusting method, radio frequency amplifying method and terminal equipment |
| CN114285433A (en) * | 2020-09-27 | 2022-04-05 | Oppo广东移动通信有限公司 | Wireless communication assembly, method and terminal equipment |
| CN117014027A (en) * | 2020-08-18 | 2023-11-07 | 华为技术有限公司 | Power amplifier chip and communication device |
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Application publication date: 20181019 |