CN106998232A - A kind of method for obtaining RF power amplification load pull parameters - Google Patents
A kind of method for obtaining RF power amplification load pull parameters Download PDFInfo
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- CN106998232A CN106998232A CN201710175042.2A CN201710175042A CN106998232A CN 106998232 A CN106998232 A CN 106998232A CN 201710175042 A CN201710175042 A CN 201710175042A CN 106998232 A CN106998232 A CN 106998232A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/11—Monitoring; Testing of transmitters for calibration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/15—Performance testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/29—Performance testing
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Abstract
The invention provides a kind of method for obtaining RF power amplification load pull parameters, tested using finished product, including judge to be configured with N number of finished product of identical RF power amplification whether there is at least one finished product to belong to determination excellent product；If then obtaining the load impedance value of wherein each RF power amplification for determining excellent product with impedance parameter system, and electric parameter of each RF power amplification for determining excellent product under the conditions of active is measured with electric parameter system, it is used as the load pull parameters of RF power amplification；Otherwise one of finished product is chosen as finished product to be measured, and finds by changing the matching network parameter of finished product to be measured one group of load pull parameter for meeting use requirement.The present invention is tested using finished product, without customizing a test printed circuit board for each DUT, shorten test period, saved resource, it is to avoid extra environmental pollution.
Description
Technical field
The present invention relates to field of radio frequency communication, more particularly to a kind of method for obtaining RF power amplification load pull parameters.
Background technology
Power discharging device load pull parameters are obtained at present mainly by special instrument suite (hereinafter referred to as " special test
System ") obtain.
Special test system is seen by changing the matching impedance value corresponding to the bias (Bias) and adjustment Tuner of circuit
The change of the electric parameters such as device under test (DUT) power output, efficiency, signal quality is examined, so as to obtain device under test
Load pull parameters.
, it is necessary to first to high frequency lead, adapter, input and output impedance tuner before special test system is tested
Components such as (Input tuner output tuner) carries out S parameter (S-parameter) and measured, then related data is defeated
Enter into the software of measuring system.This followed by completes a series of calibration works such as S parameter calibration, the calibration of power of whole system
Make, can be tested.
During test, system is scanned in selected resistance region, changes the impedance value of input and output impedance tuner,
The correspondence change of measured physical quantity (such as Power consumption, EVM) is recorded, that is, has obtained DUT load pull ginsengs
Number.In order to find the impedance value that performance is optimal, it may be necessary to carry out multiple scanning.
The not foot point of above-mentioned Auto-Test System is：
1st, special test system detecting electric parameter needs to use the signal source of system itself to produce signal, and most
Finished product will not keep for the test interface of extraneous Injection Signal, therefore usually require to customize a survey for each RF power amplification
Printed circuit board is tried, in addition to taking the design cycle of a printed circuit board, certain wasting of resources can be also caused and extra
Environmental pollution.
2nd, the loadpull data applications for testing special test system are on any one product, it is necessary to be through
Cross such step：(1) load pull data points are chosen；(2) matching network parameter is adjusted repeatedly, by the load of RF power amplification
Impedance is transferred on the impedance value of the data point；(3) confirm whether electric parameter meets requirement, terminate if meeting and requiring, it is no
Then go back to perform step (2).Therefore the loadpull parameters that special test system is tested can not be directly applied to make in test
On finished product, debug time when loadpull parameters are applied to product is longer.
The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide a kind of method for obtaining RF power amplification loadpull parameters,
Tested using finished product, without customizing a test printed circuit board for each DUT, shorten test period, saved money
Source, it is to avoid extra environmental pollution.
To achieve these goals, the embodiments of the invention provide a kind of side for obtaining RF power amplification loadpull parameters
Method, including：
S1, judgement is configured with N number of finished product of identical RF power amplification, if having at least one finished product to belong to
Excellent product is determined, if then performing S2, S4 is otherwise performed；The determination excellent product refers to be configured with adapted to satisfaction
The finished product of the RF power amplification of default electric parameter performance requirement；
S2, the load impedance value of wherein each RF power amplification for determining excellent product is obtained with impedance parameter system, and
Electric parameter of each RF power amplification for determining excellent product under the conditions of active is measured with electric parameter system；
S3, integrates the load impedance value and electric parameter for each determination excellent product that measurement is obtained, obtains the radio frequency
The loadpull parameters of power amplifier；
S4, chooses a finished product as finished product to be measured, and be the production to be measured from N number of finished product
Product finished product chooses one group of network match parameter；
S5, by the adaptation of the net mate parameter configuration of selection to the finished product to be measured, and after configuration is complete
The load impedance value and transmission coefficient S21, Yi Jiyong of the RF power amplification of the finished product to be measured are obtained with impedance parameter system
Electric parameter of the RF power amplification of finished product to be measured under the conditions of active described in electric parameter systematic survey, preserves this acquisition
Load impedance value, transmission coefficient S21 and the electric parameter arrived；
Whether S6, judge this transmission coefficient S21 obtained by S5 and electric parameter while meeting use requirement；
S7, when the transmission coefficient S21 and electric parameter that this is obtained by S5 are while when meeting use requirement, this is led to
The load impedance value and electric parameter of crossing S5 acquisitions integrate the loadpull parameters for obtaining the RF power amplification；
S8, when as the transmission coefficient S21 that this is obtained by S5 and electric parameter, at least one is unsatisfactory for use requirement,
Judge whether all load impedance values on the finished product product to be measured got fully cover the main of impedance circle diagram
Region, if then exiting test, otherwise chooses one group of network match parameter and performs S5 again again.
Preferably, S6 is specifically included：
Judge whether this transmission coefficient S21 obtained by S5 is more than default first threshold；When the transmission coefficient
When S21 is more than the first threshold, judges that the transmission coefficient S21 is unsatisfactory for use requirement, otherwise judge the transmission coefficient
S21 meets use requirement；
Judge whether the error vector magnitude in this electric parameter obtained by S5 is more than default Second Threshold；When
When the error vector magnitude is more than the Second Threshold, judges that the load impedance value is unsatisfactory for use requirement, otherwise judge
The load impedance value meets use requirement.
Preferably, the first threshold is loss+1dB；The Second Threshold is 1.8%；Loss is adaptation output end
Mouthful to the pad value between radio frequency interface.
Preferably, judge whether all load impedance values on the finished product product to be measured got fully cover
The method of the main region of impedance circle diagram includes：
The main region of the impedance circle diagram is divided into some sub-regions；
All load impedance values on the finished product product to be measured got are imported into the impedance circle diagram, judgement is
It is no all to contain a load impedance value per sub-regions；It is no if then judging fully to cover the main region of impedance circle diagram
Then judge not cover fully the main region of impedance circle diagram.
Preferably, the main region by the impedance circle diagram is divided into some sub-regions, including：
Using the center of the impedance circle diagram as the center of circle on the impedance circle diagram, the circle of M different radii is formed；
The center of circle is connected respectively to the N Along ents on the impedance circle diagram, N bar bisectors are obtained；
The impedance circle is divided into by several sub-districts by the circle and the N bars bisector of the M different radii
Domain.
Preferably, the impedance parameter system includes vector network analyzer；Also include before step S1：Two are penetrated
Frequency coaxial line is connected to the first port and second port of vector network analyzer, measures the anti-of first port and second port
Penetrate after coefficient, then control vector network analyzer to be calibrated by calibrating device.
Compared to prior art, the beneficial effect of the embodiment of the present invention is：Radio frequency work(is obtained the invention discloses one kind
The method for putting loadpull parameters, is tested using finished product, including judge to be configured with N number of product of identical RF power amplification into
Whether there is at least one finished product to belong to determination excellent product in product；If then obtaining wherein each true with impedance parameter system
Determine the load impedance value of the RF power amplification of excellent product, and each radio frequency for determining excellent product is measured with electric parameter system
Electric parameter of the power amplifier under the conditions of active, is used as the load pull parameters of RF power amplification；Otherwise choose one of product into
Product find by changing the matching network parameter of finished product to be measured one group and met using will as finished product to be measured
The loadpull parameters asked.This method has the following effects that：
1st, the parameter and the test result of special test system got by this programme is approached, and has same practical valency
Value；
2nd, relative to special test system, instrument and system software used in this programme are all generally used in industry logical
Software is carried with, requisite instrumentation and instrument, thus system cost almost can be considered zero；
3rd, relative to a series of calibration operation before special test system test, this programme only needs to a step calibration (electrically
Parameter system is general, without carrying out specially calibrating for this test).Calibration steps is greatly simplified, and the probability of error is small；
4th, this programme is tested using finished product, without customizing a test printed circuit board for each DUT, shortens survey
In the examination cycle, resource is saved, it is to avoid extra environmental pollution；
5th, this programme robustness is good, and applicable band covers most radio frequency band, and (what is be proven applies
Frequency is up to 6GHz), it can apply in the research and development debugging of most of radio frequency products；
Matching network parameter in 6 this programme can be directly applied in test on the finished product that uses, as final
Product matching scheme, loadpull data applications is shortened to debug time during product almost nil, and special test
System schema does not possess such condition and effect.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, the required accompanying drawing used in embodiment will be made below
Simply introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of flow signal of method for obtaining RF power amplification load pull parameters provided in an embodiment of the present invention
Figure；
Fig. 2 is the structural representation for electrically joining system described in Fig. 1；
Fig. 3 is the structural representation of impedance parameter system described in Fig. 1；
Fig. 4 and Fig. 5 are respectively the test knot for passing through professional test system to certain model RF power amplification under the conditions of same application
The test result figure that fruit is schemed and passes through this method.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1, it is a kind of method for obtaining RF power amplification loadpull parameters provided in an embodiment of the present invention
Schematic flow sheet, including step S1~S8：
S1, judgement is configured with N number of finished product of identical RF power amplification, if having at least one finished product to belong to
Excellent product is determined, if then performing S2, S4 is otherwise performed；The determination excellent product refers to be configured with adapted to satisfaction
The finished product of the RF power amplification of default performance requirement；
S2, the load impedance value of wherein each RF power amplification for determining excellent product is obtained with impedance parameter system, and
Electric parameter of each RF power amplification for determining excellent product under the conditions of active is measured with electric parameter system；
S3, integrates the load impedance value and electric parameter for each determination excellent product that measurement is obtained, obtains the radio frequency
The loadpull parameters of power amplifier；
S4, chooses a finished product as finished product to be measured, and be the production to be measured from N number of finished product
Product finished product chooses one group of network match parameter；
S5, by the adaptation of the net mate parameter configuration of selection to the finished product to be measured, and after configuration is complete
The load impedance value and transmission coefficient S21, Yi Jiyong of the RF power amplification of the finished product to be measured are obtained with impedance parameter system
Electric parameter of the RF power amplification of finished product to be measured under the conditions of active described in electric parameter systematic survey, preserves this acquisition
The load impedance value and electric parameter arrived；
Whether S6, judge this transmission coefficient S21 obtained by S5 and electric parameter while meeting use requirement；
S7, when the transmission coefficient S21 and electric parameter that this is obtained by S5 are while when meeting use requirement, this is led to
The load impedance value and electric parameter of crossing S5 acquisitions integrate the loadpull parameters for obtaining the RF power amplification；
S8, when as the transmission coefficient S21 that this is obtained by S5 and electric parameter, at least one is unsatisfactory for use requirement,
Judge whether all load impedance values on the finished product product to be measured got fully cover the main of impedance circle diagram
Region, if then exiting test, otherwise chooses one group of network match parameter and performs S5 again again.
Relative to the special test system of current line in the industry, the embodiment of the present invention is realized using common instrument and topology
Differed on testing process on loadpull parameter measurements, topological structure and also, and the test printed circuit board customized is at this
It is not necessary in scheme.In system composition, this programme is made up of two subsystems：One subsystem responsible tests radio frequency
The electric parameter of power amplifier, i.e. " electric parameter system "；Another system is responsible for testing the load impedance parameter of DUT RF power amplifications,
That is " impedance parameter system ".Test printed circuit board used directly uses the radio frequency products finished product of included power amplifier to be measured,
That is " finished product ".
Electric parameter system is made up of conventional measuring apparatus, consistent with conventional test topology.We are with radio frequency industry
In most common electric parameter --- be the structural representation of electrically ginseng system exemplified by error vector magnitude, shown in following Fig. 2.
Finished product is controlled to be in transmission state using control PC when test, then RF power amplification works together, from IQxel tests
Instrument can test current error vector magnitude parameter.Change the adaptation element in finished product, you can to obtain difference
Load impedance under error vector magnitude parameter.It should be noted that the electric parameter system in the present invention be not limited to it is described
IQxel testers, can also use the instrument of other identical functions.
Impedance parameter system is made up of coaxial cable and vector network analyzer, is the impedance ginseng shown in following Fig. 3
The system of number system is constituted.Coaxial cable is calibrated before test, you can for test load impedance value.Specially in S1
Before, two RF coaxial lines are connected to the first port and second port of vector network analyzer, first port is measured
Vector network analyzer is controlled to be calibrated after the reflectance factor of second port, then by calibrating device.
In embodiments of the present invention, finished product is divided into two kinds, one kind is to determine excellent product, and another is not determine
Excellent product.Determine that excellent product refers to be configured with adapted to the RF power amplification for meeting default electric parameter performance requirement
Finished product.Pair determine excellent product measure one group of obtained loadpull parameter, be in general meet using will
Ask, can obtain multigroup loadpull parameters for meeting use requirement by carrying out test to multiple determination excellent products, have
Help in application properties of product be debugged more preferably, reach excelsior effect.When in the absence of determination excellent product, i.e. institute
It is to choose one of finished product conduct in the way of the embodiment of the present invention when not determining excellent product to have finished product to be all
Finished product to be measured is tested.At least one set of load impedance value, biography are obtained by changing the net mate parameter of adaptation
Defeated coefficient S 21 and electric parameter, as long as having one group of transmission coefficient S21 and electric parameter can be while when meeting use requirement, i.e.,
Load impedance value therein and electric parameter are integrated into the loadpull parameters of RF power amplification.Treated when getting on described
When all load impedance values for surveying finished product have fully covered the main region of impedance circle diagram, illustrate the transmission coefficient got
S21 can not meet use requirement simultaneously with electric parameter, and performance of the RF power amplification itself is undesirable.
In one embodiment, S6 is specifically included：
Judge whether this transmission coefficient S21 obtained by S5 is more than default first threshold；When the transmission coefficient
When S21 is more than the first threshold, judges that the transmission coefficient S21 is unsatisfactory for use requirement, otherwise judge the transmission coefficient
S21 meets use requirement；
Judge whether the error vector magnitude in this electric parameter obtained by S5 is more than default Second Threshold；When
When the error vector magnitude is more than the Second Threshold, judges that the load impedance value is unsatisfactory for use requirement, otherwise judge
The load impedance value meets use requirement.
Preferably, the first threshold is loss+1dB；The Second Threshold is 1.8%；Loss is adaptation output end
Mouthful to the pad value between radio frequency interface.Element insertion loss (the component specification that the pad value can be passed through with this section of circuit
Have the parameter on book) weighting obtain.If transmission coefficient S21 absolute values are more than the first threshold, current pair net is indicated
The insertion loss of network parameter is excessive, then this group of matching network parameter, which there may be, is not suitable for applying the risk in actual product,
Need to choose one group of matching network parameter again.
In one embodiment, whether all load impedance values on the finished product product to be measured that judgement is got
The method of the fully main region of covering impedance circle diagram includes：
The main region of the impedance circle diagram is divided into some sub-regions；
All load impedance values on the finished product product to be measured got are imported into the impedance circle diagram, judgement is
It is no all to contain a load impedance value per sub-regions；It is no if then judging fully to cover the main region of impedance circle diagram
Then judge not cover fully the main region of impedance circle diagram.
Preferably, the main region by the impedance circle diagram is divided into some sub-regions, including：
Using the center of the impedance circle diagram as the center of circle on the impedance circle diagram, the circle of M different radii is formed；
The center of circle is connected respectively to the N Along ents on the impedance circle diagram, N bar bisectors are obtained；
The impedance circle is divided into by several sub-districts by the circle and the N bars bisector of the M different radii
Domain.In this way, all load impedance values on the finished product product to be measured got can more accurately be judged
Whether the main region of impedance circle diagram has fully been covered.
Please refer to Fig. 4 and Fig. 5, Fig. 4 and Fig. 5 be respectively certain model RF power amplification is passed through under the conditions of same application it is special
The test result figure of industry test system and the test result figure for passing through this method.Comparison diagram 4 and Fig. 5 understand, two groups of data bases
This coincide.
Compared to prior art, the beneficial effect of the embodiment of the present invention is：
The invention discloses a kind of method for obtaining RF power amplification loadpull parameters, tested using finished product, including
Whether judgement is configured with N number of finished product of identical RF power amplification has at least one finished product to belong to the excellent production of determination
Product；If then obtaining the load impedance value of wherein each RF power amplification for determining excellent product, Yi Jiyong with impedance parameter system
Electric parameter systematic survey each determines electric parameter of the RF power amplification of excellent product under the conditions of active, is used as RF power amplification
Load pull parameters；Otherwise one of finished product is chosen as finished product to be measured, and by changing product to be measured
The matching network parameter of finished product finds one group of loadpull parameter for meeting use requirement.This method has the following effects that：
1st, the parameter and the test result of special test system got by this programme is approached, and has same practical valency
Value；
2nd, relative to special test system, instrument and system software used in this programme are all generally used in industry logical
Software is carried with, requisite instrumentation and instrument, thus system cost almost can be considered zero；
3rd, relative to a series of calibration operation before special test system test, this programme only needs to a step calibration (electrically
Parameter system is general, without carrying out specially calibrating for this test).Calibration steps is greatly simplified, and the probability of error is small；
4th, this programme is tested using finished product, without customizing a test printed circuit board for each DUT, shortens survey
In the examination cycle, resource is saved, it is to avoid extra environmental pollution；
5th, this programme robustness is good, and applicable band covers most radio frequency band, and (what is be proven applies
Frequency is up to 6GHz), it can apply in the research and development debugging of most of radio frequency products；
Matching network parameter in 6 this programme can be directly applied in test on the finished product that uses, as final
Product matching scheme, loadpull data applications is shortened to debug time during product almost nil, and special test
System schema does not possess such condition and effect.
Above disclosed is only a kind of preferred embodiment of the invention, can not limit the power of the present invention with this certainly
Sharp scope, one of ordinary skill in the art will appreciate that all or part of flow of above-described embodiment is realized, and according to present invention power
Profit requires made equivalent variations, still falls within and invents covered scope.
Claims (6)
1. a kind of method for obtaining RF power amplification load pull parameters, it is characterised in that including：
S1, judgement is configured with N number of finished product of identical RF power amplification, if having at least one finished product to belong to determination
Excellent product, if then performing S2, otherwise performs S4；The determination excellent product refers to be configured with adapted default to meeting
Electric parameter performance requirement RF power amplification finished product；
S2, the load impedance value of wherein each RF power amplification for determining excellent product, and electricity consumption are obtained with impedance parameter system
Electric parameter of each RF power amplification for determining excellent product of gas parameter system measurement under the conditions of active；
S3, integrates the load impedance value and electric parameter for each determination excellent product that measurement is obtained, obtains the RF power amplification
Load pull parameters；
S4, from N number of finished product choose a finished product as finished product to be measured, and for the product to be measured into
Product choose one group of network match parameter；
S5, by the adaptation of the net mate parameter configuration of selection to the finished product to be measured, and after configuration is complete with resistance
Anti- parameter system obtains the load impedance value and transmission coefficient S21 of the RF power amplification of the finished product to be measured, and with electrically
Parameter system measures electric parameter of the RF power amplification of the finished product to be measured under the conditions of active, preserves what this got
Load impedance value, transmission coefficient S21 and electric parameter；
Whether S6, judge this transmission coefficient S21 obtained by S5 and electric parameter while meeting use requirement；
S7, when the transmission coefficient S21 and electric parameter that this is obtained by S5 are while when meeting use requirement, S5 is passed through by this
The load impedance value of acquisition integrates the load pull parameters for obtaining the RF power amplification with electric parameter；
S8, when as the transmission coefficient S21 that this is obtained by S5 and electric parameter, at least one is unsatisfactory for use requirement, judges
Whether all load impedance values on the finished product product to be measured got have fully covered the main region of impedance circle diagram,
If then exiting test, one group of network match parameter is otherwise chosen again and S5 is performed again.
2. the method for RF power amplification load pull parameters is obtained as claimed in claim 1, it is characterised in that S6 is specifically included：
Judge whether this transmission coefficient S21 obtained by S5 is more than default first threshold；When the transmission coefficient S21 is big
When the first threshold, judge that the transmission coefficient S21 is unsatisfactory for use requirement, otherwise judge that the transmission coefficient S21 expires
Sufficient use requirement；
Judge whether the error vector magnitude in this electric parameter obtained by S5 is more than default Second Threshold；When described
When error vector magnitude is more than the Second Threshold, judge that the load impedance value is unsatisfactory for use requirement, otherwise judge described
Load impedance value meets use requirement.
3. the method for RF power amplification load pull parameters is obtained as claimed in claim 2, it is characterised in that first threshold
It is worth for loss+1dB；The Second Threshold is 1.8%；Loss is adaptation output port to the pad value between radio frequency interface.
4. the method for RF power amplification load pull parameters is obtained as claimed in claim 1, it is characterised in that judgement is got
All load impedance values on the finished product product to be measured whether fully covering impedance circle diagram main region method
Including：
The main region of the impedance circle diagram is divided into some sub-regions；
All load impedance values on the finished product product to be measured got are imported into the impedance circle diagram, judged whether every
Sub-regions all contain a load impedance value；If then judging fully to cover the main region of impedance circle diagram, otherwise sentence
The fixed main region for not covering impedance circle diagram fully.
5. the method for RF power amplification load pull parameters is obtained as claimed in claim 4, it is characterised in that described by described in
The main region of impedance circle diagram is divided into some sub-regions, including：
Using the center of the impedance circle diagram as the center of circle on the impedance circle diagram, the circle of M different radii is formed；
The center of circle is connected respectively to the N Along ents on the impedance circle diagram, N bar bisectors are obtained；
The impedance circle is divided into by some sub-regions by the circle and the N bars bisector of the M different radii.
6. the method for RF power amplification load pull parameters is obtained as claimed in claim 1, it is characterised in that the impedance ginseng
Number system includes vector network analyzer；Also include before step S1：Two RF coaxial lines are connected to vector network point
After the first port and second port of analyzer, the reflectance factor for measuring first port and second port, then pass through calibrating device control
Vector network analyzer processed is calibrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710175042.2A CN106998232B (en) | 2017-03-22 | 2017-03-22 | Method for acquiring load pull parameter of radio frequency power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710175042.2A CN106998232B (en) | 2017-03-22 | 2017-03-22 | Method for acquiring load pull parameter of radio frequency power amplifier |
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| Publication Number | Publication Date |
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| CN106998232A true CN106998232A (en) | 2017-08-01 |
| CN106998232B CN106998232B (en) | 2020-06-16 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108540100A (en) * | 2018-04-02 | 2018-09-14 | 深圳天珑无线科技有限公司 | A kind of adjustment method of RF power amplification |
| CN108901031A (en) * | 2018-06-12 | 2018-11-27 | Oppo广东移动通信有限公司 | Radio frequency parameter adjusting method, device, mobile terminal and storage medium |
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| CN108540100A (en) * | 2018-04-02 | 2018-09-14 | 深圳天珑无线科技有限公司 | A kind of adjustment method of RF power amplification |
| CN108901031A (en) * | 2018-06-12 | 2018-11-27 | Oppo广东移动通信有限公司 | Radio frequency parameter adjusting method, device, mobile terminal and storage medium |
| CN109444786A (en) * | 2018-12-13 | 2019-03-08 | 中国电子科技集团公司第十三研究所 | Improve the method, system and terminal device in piece load balance factor accuracy of measurement |
| CN109444786B (en) * | 2018-12-13 | 2021-08-27 | 中国电子科技集团公司第十三研究所 | Method and system for improving on-chip load traction measurement accuracy and terminal equipment |
| CN110618374A (en) * | 2019-10-16 | 2019-12-27 | 普联技术有限公司 | Radio frequency chip Loadpull test method and system |
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| CN106998232B (en) | 2020-06-16 |
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