CN105978585B - Radio circuit and terminal - Google Patents
Radio circuit and terminal Download PDFInfo
- Publication number
- CN105978585B CN105978585B CN201610512364.7A CN201610512364A CN105978585B CN 105978585 B CN105978585 B CN 105978585B CN 201610512364 A CN201610512364 A CN 201610512364A CN 105978585 B CN105978585 B CN 105978585B
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- Prior art keywords
- radio
- circuit
- radio frequency
- matching circuit
- aclr
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Classifications
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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
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0475—Circuits with means for limiting noise, interference or distortion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
Abstract
The present invention provides a kind of radio circuit and terminals, wherein radio circuit includes：Power amplifier, the power amplifier include at least one output end, and each output end of the power amplifier is connected to the first end of corresponding radio frequency matching circuit；ACLR detectors, the first end of the ACLR detectors are connected to the second end of each radio frequency matching circuit, the ACLR values for detecting each radio frequency matching circuit；Processor, the second end of the ACLR detectors is connected to the first end of the processor, and the processor is used to each of detect that the ACLR values of the radio frequency matching circuit determine whether to carry out radio-frequency match adjustment to each radio frequency matching circuit according to ACLR detectors.Technical solution through the invention can detect the ACLR values of radio frequency matching circuit automatically, to carry out radio-frequency match adjustment in time, reduce radio frequency debug time, effectively ensure the superperformance of the radio frequency matching circuit.
Description
Technical field
The present invention relates to field of terminal technology, in particular to a kind of radio circuit and a kind of terminal.
Background technology
With the continuous improvement of radio circuit integrated level, the design work of radio circuit also becomes to become increasingly complex.Due to
The demand of user is higher and higher, and in order to meet the needs of users, the frequency range that radio circuit is supported is also more and more, and what is be given to penetrates
The space of frequency placement-and-routing does not obviously increase but, under such circumstances, increases design difficulty and the debugging of radio circuit
Difficulty, and the performance quality Main Basiss ACLR of radio-frequency transmissions access (Adjacent Channel Leakage Ratio, it is adjacent
Channel leakage ratio) value, suitable ACLR values just can guarantee the functional of radio-frequency transmissions access, however in the related art, nothing
Method detects the ACLR values of the radio-frequency transmissions access in radio circuit, and then can not carry out subsequent processing in time, extends radio frequency tune
The duration of examination.
Therefore, the ACLR values for how detecting the radio frequency transmitting channel in radio circuit automatically become skill urgently to be resolved hurrily
Art problem.
Invention content
The present invention is based at least one above-mentioned technical problem, it is proposed that a kind of new radio circuit can be examined automatically
The ACLR values of the radio frequency transmitting channel in radio circuit are surveyed, and determining whether according to ACLR values need to be to related circuit progress radio frequency
With adjustment, so that subsequent processing can be being carried out in time whenever necessary.
In view of this, the present invention proposes a kind of radio circuit, including：Power amplifier, the power amplifier include
At least one output end, each output end of the power amplifier are connected to the first end of corresponding radio frequency matching circuit；
ACLR detectors, the first end of the ACLR detectors is connected to the second end of each radio frequency matching circuit, for detecting
The ACLR values of each radio frequency matching circuit；The second end of processor, the ACLR detectors is connected to the processor
First end, the processor are used to each of detect that the ACLR values determination of the radio frequency matching circuit is according to ACLR detectors
It is no that radio-frequency match adjustment is carried out to each radio frequency matching circuit.
In the technical scheme, each output end of power amplifier is connected to the first of corresponding radio frequency matching circuit
End, with the different radio frequency signal exported come transmission power amplifier by different radio frequency matching circuits, the of ACLR detectors
One end can be directly connected to the second end of each radio frequency matching circuit, and the first end of ACLR detectors can also pass through other electricity
Road or electronic component are connected to the second end of each radio frequency matching circuit, to detect each radio frequency by ACLR detectors
ACLR values with circuit, and the processor by being connected with ACLR detectors determines whether to penetrate each radio frequency matching circuit
Frequency Matching and modification, so that radio-frequency match adjustment can be being carried out in time whenever necessary, to reduce radio frequency debug time.
Wherein, the specific effect of ACLR detectors：Sampling processing is carried out to the analog signal of each radio frequency matching circuit, is adopted
With the original radio frequency analog signal obtained after processing, original radio frequency analog signal is converted to by frequency-region signal by Fourier transformation
It is analyzed, calculates the power of main channel and adjacent channel, and thus obtain the ACLR values of each radio frequency analog.
In the above-mentioned technical solutions, it is preferable that the processor is less than in the ACLR values of any radio frequency matching circuit
When the first predetermined threshold value, determines and radio-frequency match adjustment is carried out to any radio frequency matching circuit.
In the technical scheme, the first predetermined threshold value can be communication protocol (such as 3GPP) index, can also be according to reality
Design requirement is configured, and when the ACLR values of any radio frequency matching circuit are less than the first predetermined threshold value, illustrates the radio-frequency match
The ACLR values of circuit are unsatisfactory for communication protocol index or design requirement, interference may be generated to communication system, and then reduce logical
The capacity of letter system, processor is determined at this time carries out radio-frequency match adjustment to the radio frequency matching circuit, effectively ensures this and penetrates
The superperformance of frequency match circuit, and interference of the radio circuit to communication system is reduced as much as possible, to increase entire communication
The capacity of system.
In any of the above-described technical solution, it is preferable that each the radio frequency matching circuit includes：First π types matching electricity
Road, the input terminal of the first π type match circuits are the first end of each radio frequency matching circuit；Duplexer or filter,
The output end of the first π type match circuits is connected to the first end of duplexer or the first end of the filter, the duplex
The second end of device or the second end of the filter are connected to the input terminal of the 2nd π type match circuits；The 2nd π types matching electricity
Road, the output end of the 2nd π type match circuits are the second end of each radio frequency matching circuit.
In the technical scheme, the radiofrequency signal of power amplifier output can be via the first π types match circuit, duplexer
And the 2nd π type match circuits be transmitted to ACLR detectors, can also be via the first π types match circuit, filter and the 2nd π
Type match circuit is transmitted to ACLR detectors.
In any of the above-described technical solution, it is preferable that the first π type match circuits include the first debugging device, the
Two debugging devices and third debug device；The radio circuit further includes：Match control circuit, the match control circuit it is defeated
Enter the second end that end is connected to the processor, the output end of the match control circuit is connected to each first π types
Device is debugged with the first debugging device, the second debugging device and the third in circuit；Wherein, the processor
When determining to any radio frequency matching circuit progress radio-frequency match adjustment, the match control circuit is controlled to described first
Debugging device, the second debugging device and third debugging device are adjusted.
In the technical scheme, the first debugging device, the second debugging device and third debugging device are used as match bit
Debugger, match control circuit is used for realizing that choosing value is debugged in the matching of radio frequency matching circuit automatically, and processor is being determined to appointing
When one radio frequency matching circuit carries out radio-frequency match adjustment, control match control circuit pair first debugs device, the second debugging device
It is adjusted with third debugging device, to effectively have adjusted the matching of power amplifier output, has adjusted power amplification
The impedance section of device changes the ACLR values of radio frequency matching circuit indirectly.
In any of the above-described technical solution, it is preferable that the first debugging device, the second debugging device and described
It includes program-controlled capacitance or program-controlled inductance that third, which debugs device,.
In any of the above-described technical solution, it is preferable that the radio circuit further includes：RF switch, it is each described to penetrate
The second end of frequency match circuit and the first end of coupler are connected to the RF switch, and the RF switch is each for controlling
The second end of the radio frequency matching circuit is connected with the first end of the coupler；The coupler, the of the coupler
Two ends are connected to the first end of the ACLR detectors, the maximum work output for detecting each radio frequency matching circuit in real time
Rate.
In the technical scheme, each radio frequency matching circuit can be connected to ACLR detections via RF switch and coupler
Device detects the peak power output of each radio frequency matching circuit by coupler, with to be adjusted subsequently based on peak power output
Whole radio frequency matching circuit provides premise guarantee.
In any of the above-described technical solution, it is preferable that further include：RF transceiver, the power of the RF transceiver
Test side is connected to the third end of the coupler, for receiving each of the coupler feedback radio frequency matching circuit
Peak power output；The processor is additionally operable to, during any radio frequency matching circuit carries out radio-frequency match adjustment,
If the ACLR values of any radio frequency matching circuit are greater than or equal to the first predetermined threshold value, and any in the given time described penetrate
When the changing value of the peak power output of frequency match circuit is less than or equal to the second predetermined threshold value, determines and continue described to penetrate to any
Frequency match circuit carries out radio-frequency match adjustment.
In the technical scheme, processor to any radio frequency matching circuit carry out radio-frequency match adjustment during, if
The ACLR values of the radio frequency matching circuit are greater than or equal to the first predetermined threshold value, illustrate the ACLR values of the radio frequency matching circuit through toning
It is whole to have met communication protocol index or design requirement, at this time when the maximum work output of the radio frequency matching circuit in the given time
When the changing value of rate is less than or equal to the second predetermined threshold value, determines and continues to carry out radio-frequency match adjustment to the radio frequency matching circuit,
To effectively avoid the problem that transmission power is greatly lowered because optimizing ACLR values so that no more than power setting thresholding
Under the premise of, radio frequency matching circuit can be adjusted with one group of optimal matching value to ensure that ACLR reaches setting value standard.
In addition, and after ACLR reaches setting value standard, the ACLR that ACLR detectors still can monitor access in real time becomes
Change situation, and changes the matching of PA according to ACLR values.
In any of the above-described technical solution, it is preferable that the radio circuit further includes：3rd π type match circuits, it is described
The transmitting terminal of RF transceiver is connected to the input terminal of the 3rd π type match circuits, the output of the 3rd π type match circuits
End is connected to the input terminal of the power amplifier.
In any of the above-described technical solution, it is preferable that the radio circuit further includes antenna, the ACLR detectors
Third end is connected to the antenna.
According to the second aspect of the invention, it is proposed that a kind of terminal, including：As described in any one of above-mentioned technical proposal
Radio circuit.
In the technical scheme, can in automatic detection terminal the radio frequency matching circuit of radio circuit ACLR values, and root
Determine whether that radio-frequency match adjustment need to be carried out to related circuit according to ACLR values, so that radio frequency can be being carried out in time whenever necessary
With adjustment, radio frequency debug time is reduced, effectively ensures the superperformance of the radio frequency matching circuit, and is reduced as much as possible
Interference of the radio circuit to communication system, to increase the capacity of entire communication system.
By above technical scheme, the ACLR values of radio frequency matching circuit can be detected automatically, and be according to the determination of ACLR values
It is no related circuit progress radio-frequency match adjustment to be reduced to carry out radio-frequency match adjustment in time whenever necessary
Radio frequency debug time effectively ensures the superperformance of the radio frequency matching circuit, and reduces radio circuit as much as possible to logical
The interference of letter system, to increase the capacity of entire communication system.
Description of the drawings
Fig. 1 shows the structural schematic diagram of radio circuit according to an embodiment of the invention；
Fig. 2 shows the schematic block diagrams of terminal according to an embodiment of the invention.
Specific implementation mode
To better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
Mode is applied the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be implemented different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Fig. 1 shows the structural schematic diagram of radio circuit according to an embodiment of the invention.
As shown in Figure 1, radio circuit 100 according to an embodiment of the invention, including：Power amplifier (Power
Amplifier, PA) 102, the power amplifier 102 include at least one output end (B1, B3 and B40 as shown in Figure 1, when
The output end of right power amplifier 102 is not limited to B1, B3 and B40), each output end of the power amplifier 102 connects
It is connected to the first end of corresponding radio frequency matching circuit；The first end of ACLR detectors 104, the ACLR detectors 104 is connected to
The second end of each radio frequency matching circuit, the ACLR values for detecting each radio frequency matching circuit；Processor
(Central Processing Uint, CPU) 106, the second end of the ACLR detectors 104 is connected to the processor 106
First end, the processor 106 is used to each of detect the ACLR of the radio frequency matching circuit according to ACLR detectors 104
Value determines whether to carry out radio-frequency match adjustment to each radio frequency matching circuit.
In the technical scheme, each output end of power amplifier 102 is connected to corresponding radio frequency matching circuit
First end, with the different radio frequency signal exported come transmission power amplifier by different radio frequency matching circuits, ACLR detectors
104 first end can be directly connected to the second end of each radio frequency matching circuit, and the first ends of ACLR detectors 104 can be with
The second end of each radio frequency matching circuit is connected to by other circuits or electronic component, with by ACLR detectors 104 come
The ACLR values of each radio frequency matching circuit are detected, and the processor 106 by being connected with ACLR detectors 104 determines whether to every
A radio frequency matching circuit carries out radio-frequency match adjustment, to carry out radio-frequency match adjustment in time whenever necessary, to contract
Subtract radio frequency debug time.
Wherein, the specific effect of ACLR detectors 104：The analog signal of each radio frequency matching circuit is carried out at sampling
Original radio frequency analog signal is converted to frequency by reason using the original radio frequency analog signal obtained after processing by Fourier transformation
Domain signal is analyzed, and the power of main channel and adjacent channel is calculated, and thus obtains the ACLR values of each radio frequency analog.
In the above-mentioned technical solutions, it is preferable that the processor 106 is small in the ACLR values of any radio frequency matching circuit
When the first predetermined threshold value, determines and radio-frequency match adjustment is carried out to any radio frequency matching circuit.
In the technical scheme, the first predetermined threshold value can be communication protocol (such as 3GPP) index, can also be according to reality
Design requirement is configured, and when the ACLR values of any radio frequency matching circuit are less than the first predetermined threshold value, illustrates the radio-frequency match
The ACLR values of circuit are unsatisfactory for communication protocol index or design requirement, interference may be generated to communication system, and then reduce logical
The capacity of letter system, processor is determined at this time carries out radio-frequency match adjustment to the radio frequency matching circuit, effectively ensures this and penetrates
The superperformance of frequency match circuit, and interference of the radio circuit to communication system is reduced as much as possible, to increase entire communication
The capacity of system.
In any of the above-described technical solution, it is preferable that each the radio frequency matching circuit includes：First π types matching electricity
Road 108, the input terminal of the first π types match circuit 108 are the first end of each radio frequency matching circuit；Duplexer 110
Or filter 112, the output end of the first π types match circuit 108 are connected to the first end of duplexer 110 or the filter
The second end of 112 first end, the second end of the duplexer 110 or the filter 112 is connected to the 2nd π type match circuits
114 input terminal；The output end of the 2nd π types match circuit 114, the 2nd π types match circuit 114 is each described penetrates
The second end of frequency match circuit.
In the technical scheme, power amplifier 102 export radiofrequency signal can via the first π types match circuit 108,
Duplexer 110 and the 2nd π types match circuit 114 are transmitted to ACLR detectors, can also via the first π types match circuit 108,
Filter 112 and the 2nd π types match circuit 114 are transmitted to ACLR detectors.
In any of the above-described technical solution, it is preferable that the first π types match circuit 108 includes the first debugging device
108A, the second debugging device 108B and third debugging device 108C；The radio circuit 100 further includes：Match control circuit
116, the input terminal of the match control circuit 116 is connected to the second end of the processor 106, the match control circuit
116 output end is connected to the first debugging device 108A in each first π types match circuit 108, described second
Debug device 108B and third debugging device 108C；Wherein, the processor 106 is being determined to any radio-frequency match
When circuit carries out radio-frequency match adjustment, the match control circuit 116 is controlled to the first debugging device 108A, described second
Debugging device 108B and third debugging device 108C are adjusted.
In the technical scheme, the first debugging device 108A, the second debugging device 108B and third debugging device 108C are used
It is used as the debugger of match bit, match control circuit 116 is used for realizing that choosing value is debugged in the matching of radio frequency matching circuit automatically, locate
It manages device 106 and is determining that control match control circuit 116 is adjusted to first when carrying out radio-frequency match adjustment to any radio frequency matching circuit
Examination device 108A, the second debugging device 108B and third debugging device 108C are adjusted, and are put to effectively have adjusted power
The matching of big device output end, has adjusted the impedance section of power amplifier, changes the ACLR values of radio frequency matching circuit indirectly.
In any of the above-described technical solution, it is preferable that the first debugging device 108A, the second debugging device
108B and third debugging device 108C includes program-controlled capacitance or program-controlled inductance.
In any of the above-described technical solution, it is preferable that the radio circuit 100 further includes：RF switch 118, each
The second end of the radio frequency matching circuit and the first end of coupler 120 are connected to the RF switch 118, the RF switch
118 are connected for controlling the second end of each radio frequency matching circuit with the first end of the coupler 120；The coupling
Device 120, the second end of the coupler 120 is connected to the first end of the ACLR detectors 104, for detecting each institute in real time
State the peak power output of radio frequency matching circuit.
In the technical scheme, each radio frequency matching circuit can be connected to ACLR via RF switch 118 and coupler 120
Detector 104 detects the peak power output of each radio frequency matching circuit by coupler 120, to be follow-up defeated based on maximum
Go out power and provides premise guarantee to adjust radio frequency matching circuit.
In any of the above-described technical solution, it is preferable that further include：RF transceiver (WTR) 122, the radio-frequency receiving-transmitting
The power detection end (HDET as shown in Figure 1) of device 122 is connected to the third end of the coupler 120, for receiving the coupling
The peak power output of each of the feedback of clutch 120 radio frequency matching circuit；The processor 106 is additionally operable to, in any institute
During stating radio frequency matching circuit progress radio-frequency match adjustment, if the ACLR values of any radio frequency matching circuit are more than or wait
In the first predetermined threshold value, and in the given time the changing value of the peak power output of any radio frequency matching circuit be less than or
When equal to the second predetermined threshold value, determines and continue to carry out radio-frequency match adjustment to any radio frequency matching circuit.
In the technical scheme, processor 106 to any radio frequency matching circuit carry out radio-frequency match adjustment during,
If the ACLR values of the radio frequency matching circuit are greater than or equal to the first predetermined threshold value, illustrate that the ACLR values of the radio frequency matching circuit are passed through
Adjustment has met communication protocol index or design requirement, at this time when the maximum output of the radio frequency matching circuit in the given time
When the changing value of power is less than or equal to the second predetermined threshold value, determines and continue to carry out radio-frequency match tune to the radio frequency matching circuit
It is whole, to effectively avoid the problem that transmission power is greatly lowered because optimizing ACLR values so that no more than power setting door
Under the premise of limit, radio frequency matching circuit can be adjusted with one group of optimal matching value to ensure that ACLR reaches setting value mark
It is accurate.
In addition, and after ACLR reaches setting value standard, the ACLR that ACLR detectors still can monitor access in real time becomes
Change situation, and changes the matching of PA according to ACLR values.
In any of the above-described technical solution, it is preferable that the radio circuit 100 further includes：3rd π type match circuits
124, the transmitting terminal of the RF transceiver 122 is connected to the input terminal of the 3rd π types match circuit 124, the 3rd π types
The output end of match circuit 124 is connected to the input terminal of the power amplifier 102.
In any of the above-described technical solution, it is preferable that the radio circuit 100 further includes antenna 126, the ACLR inspections
The third end for surveying device 104 is connected to the antenna 126.
Fig. 2 shows the schematic block diagrams of terminal according to an embodiment of the invention.
As shown in Fig. 2, terminal 200 according to an embodiment of the invention, including：Radio circuit 100 as shown in Figure 1.
In the technical scheme, can in automatic detection terminal the radio frequency transmitting channel of radio circuit ACLR values, and root
Determine whether that radio-frequency match adjustment need to be carried out to related circuit according to ACLR values, so that radio frequency can be being carried out in time whenever necessary
With adjustment, radio frequency debug time is reduced, effectively ensures the superperformance of the radio frequency matching circuit, and is reduced as much as possible
Interference of the radio circuit to communication system, to increase the capacity of entire communication system.
It is described in detail technical scheme of the present invention above in association with attached drawing, technical scheme of the present invention proposes a kind of new
The ACLR values of radio frequency matching circuit can be detected automatically, and determining whether according to ACLR values need to be to related circuit progress radio-frequency match
Adjustment, to carry out radio-frequency match adjustment in time whenever necessary, reduces radio frequency debug time, effectively ensures this
The superperformance of radio frequency matching circuit, and interference of the radio circuit to communication system is reduced as much as possible, it is entire logical to increase
The capacity of letter system.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of radio circuit, which is characterized in that including：
Power amplifier, the power amplifier include at least one output end, and each output end of the power amplifier connects
It is connected to the first end of corresponding radio frequency matching circuit；
ACLR detectors, the first end of the ACLR detectors are connected to the second end of each radio frequency matching circuit, are used for
The ACLR values of each radio frequency matching circuit of detection；
The second end of processor, the ACLR detectors is connected to the first end of the processor, and the processor is used for basis
The ACLR detectors each of detect that the ACLR values of the radio frequency matching circuit determine whether to each radio-frequency match
Circuit carries out radio-frequency match adjustment；
RF switch, each second end of the radio frequency matching circuit and the first end of coupler are connected to the RF switch,
The second end that the RF switch is used to control each radio frequency matching circuit is connected with the first end of the coupler；
The coupler, the second end of the coupler are connected to the first end of the ACLR detectors, every for detecting in real time
The peak power output of a radio frequency matching circuit；
The power detection end of RF transceiver, the RF transceiver is connected to the third end of the coupler, for receiving
State the peak power output of each of the coupler feedback radio frequency matching circuit；
The processor is additionally operable to, during any radio frequency matching circuit carries out radio-frequency match adjustment, if any institute
The ACLR values for stating radio frequency matching circuit are greater than or equal to the first predetermined threshold value, and any radio-frequency match electricity in the given time
When the changing value of the peak power output on road is less than or equal to the second predetermined threshold value, determines and continue to any radio-frequency match electricity
Road carries out radio-frequency match adjustment.
2. radio circuit according to claim 1, which is characterized in that the processor is in any radio frequency matching circuit
ACLR values when being less than the first predetermined threshold value, determine and radio-frequency match adjustment carried out to any radio frequency matching circuit.
3. radio circuit according to claim 1, which is characterized in that each the radio frequency matching circuit includes：
First π type match circuits, the input terminal of the first π type match circuits are the first of each radio frequency matching circuit
End；
The output end of duplexer or filter, the first π type match circuits is connected to the first end or described of the duplexer
The second end of the first end of filter, the second end of the duplexer or the filter is connected to the 2nd π type match circuits
Input terminal；
The 2nd π type match circuits, the output ends of the 2nd π type match circuits are the of each radio frequency matching circuit
Two ends.
4. radio circuit according to claim 3, which is characterized in that
The first π type match circuits include that the first debugging device, the second debugging device and third debug device；
The radio circuit further includes：
Match control circuit, the input terminal of the match control circuit are connected to the second end of the processor, the matching control
The output end of circuit processed be connected in each first π type match circuits it is described first debugging device, it is described second debugging
Device and the third debug device；
Wherein, the processor is when determining to any radio frequency matching circuit progress radio-frequency match adjustment, described of control
The first debugging device, the second debugging device and third debugging device are adjusted with control circuit.
5. radio circuit according to claim 4, which is characterized in that the first debugging device, second debugger
Part and third debugging device include program-controlled capacitance or program-controlled inductance.
6. radio circuit according to claim 1, which is characterized in that the radio circuit further includes：
3rd π type match circuits, the transmitting terminal of the RF transceiver are connected to the input terminal of the 3rd π type match circuits,
The output end of the 3rd π type match circuits is connected to the input terminal of the power amplifier.
7. radio circuit according to any one of claim 1 to 5, which is characterized in that the radio circuit further includes day
The third end of line, the ACLR detectors is connected to the antenna.
8. a kind of terminal, which is characterized in that including：
Radio circuit as described in any one of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610512364.7A CN105978585B (en) | 2016-06-30 | 2016-06-30 | Radio circuit and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610512364.7A CN105978585B (en) | 2016-06-30 | 2016-06-30 | Radio circuit and terminal |
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| Publication Number | Publication Date |
|---|---|
| CN105978585A CN105978585A (en) | 2016-09-28 |
| CN105978585B true CN105978585B (en) | 2018-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610512364.7A Active CN105978585B (en) | 2016-06-30 | 2016-06-30 | Radio circuit and terminal |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106411435B (en) * | 2016-09-29 | 2019-06-11 | 宇龙计算机通信科技(深圳)有限公司 | A kind of RF transmitter and method of adjust automatically ACLR |
| CN111490833B (en) * | 2020-04-23 | 2022-07-22 | 北京字节跳动网络技术有限公司 | Method, device, system and medium for adjusting transmitting signal of antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101442330A (en) * | 2008-12-09 | 2009-05-27 | 中兴通讯股份有限公司 | Radio frequency circuit and CDMA mobile terminal |
| CN104852749A (en) * | 2014-02-19 | 2015-08-19 | 华为终端有限公司 | Radio frequency circuit and terminal equipment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100571443C (en) * | 2006-11-23 | 2009-12-16 | 中兴通讯股份有限公司 | Adjacent channel leakage is than measurement mechanism and method |
| KR101503866B1 (en) * | 2008-12-19 | 2015-03-18 | 삼성전자주식회사 | Method and apparatus for transmitting for channel deviation improving in mobile communication terminal |
| JP2010226220A (en) * | 2009-03-19 | 2010-10-07 | Fujitsu Ltd | Power amplifier circuit, transmission device, and output control method |
| CN101835250A (en) * | 2010-04-30 | 2010-09-15 | 华为终端有限公司 | Device and method for reducing power consumption of terminal |
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2016
- 2016-06-30 CN CN201610512364.7A patent/CN105978585B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101442330A (en) * | 2008-12-09 | 2009-05-27 | 中兴通讯股份有限公司 | Radio frequency circuit and CDMA mobile terminal |
| CN104852749A (en) * | 2014-02-19 | 2015-08-19 | 华为终端有限公司 | Radio frequency circuit and terminal equipment |
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