CN102175937A - Terminal operating current debugging system and method - Google Patents
Terminal operating current debugging system and method Download PDFInfo
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- CN102175937A CN102175937A CN2011100217359A CN201110021735A CN102175937A CN 102175937 A CN102175937 A CN 102175937A CN 2011100217359 A CN2011100217359 A CN 2011100217359A CN 201110021735 A CN201110021735 A CN 201110021735A CN 102175937 A CN102175937 A CN 102175937A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/28—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response
- G01R27/32—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response in circuits having distributed constants, e.g. having very long conductors or involving high frequencies
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Abstract
The invention discloses a terminal operating current debugging system and a terminal operating current debugging method. The system comprises a terminal, an impedance conversion module and a comprehensive tester, wherein the impedance conversion module is connected with the terminal and the comprehensive tester, and is used for simulating the load impedance of the terminal on which an antenna is assembled. By the technical scheme provided by the invention, the problem that the operating current of the terminal in actual use may be deviated from a debugged optimal operating point is solved, and the operating current of the terminal in the actual use can be kept consistent with current debugged in a laboratory.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of terminal works electric current debug system and method.
Background technology
The working current of terminal is an important indicator, is directly connected to the air time and the stand-by time of terminal.Working current when development will be to the high-power emission of terminal is measured, debugging.Guaranteeing to reduce working current under the prerequisite that other indexs meet the demands as far as possible.At the authenticated client test phase, this index also compares as emphasis index and other competition types equally.Accurately measuring this index, and promote this index of optimization, is the effective means that strengthens product competitiveness.Therefore, working current when development just needs the actual use of analog detection, and under this simulated environment, debug.Yet at present in the detection debugging of laboratory stage to electric current, generally adopting characteristic impedance is that 50 ohm radio frequency cable is with terminal and the detection of instrument connectivity port.Be equivalent to carry out working current and detect, and under this load, debug recommended current to the load that the terminal test interface loads 50 Europe.When but reality is used terminal, be not to terminal loads 50 ohmages, but load onto antenna.Because the impedance of antenna is not complete 50 ohm, and the optimum current of terminal works is to debug to draw under the prerequisite of 50 ohm load, the change of loaded impedance causes the working current external environment to change, thereby departs from the good best operating point of debugging.This situation may cause terminal very low at the laboratory work electric current, but the survey stage electric current of showing up increases, and product loses competitive power.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of terminal works electric current debug system and method, to address the above problem.
According to an aspect of the present invention, a kind of terminal works electric current debug system is provided, comprise: terminal, impedance conversion module, comprehensive tester, wherein, above-mentioned impedance conversion module, link to each other with described comprehensive tester with described terminal, be used to simulate the loaded impedance after described set of terminal is loaded onto antenna.
According to a further aspect in the invention, provide a kind of terminal works electric current adjustment method, having comprised: the load impedance value of the terminal behind the antenna is gone up in the measurement assembling; The resistance value of impedance conversion module is set to the above-mentioned load impedance value that measures; Above-mentioned terminal is connected to comprehensive tester by the impedance conversion module after being provided with, carries out the working current debugging.
By the present invention, adopt the impedance conversion module to replace and fix 50 ohmage radio frequency cables, add back practical impedance adjusting impedance conversion module according to antenna, the situation of simulation antenna, solved the problem that terminal working current when reality is used can depart from the good best operating point of debugging, the working current of terminal and the electric current that debug out in the laboratory are consistent when making actual use.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the structured flowchart according to the terminal works electric current debug system of the embodiment of the invention;
Fig. 2 is a hardware connection diagram of using the loaded impedance behind the antenna in the assembling of vector network analyzer measuring terminals according to the preferred embodiment of the invention;
Fig. 3 uses vector network analyzer to measure the impedance conversion module in the initial hardware connection diagram of controlling the impedance that is connected with comprehensive tester under the voltage according to the preferred embodiment of the invention;
Fig. 4 is the electrical block diagram of impedance conversion module according to the preferred embodiment of the invention;
Fig. 5 is the synoptic diagram that changes with the capacitor and inductor value of SMITH circle diagram middle impedance size according to the preferred embodiment of the invention;
Fig. 6 is the process flow diagram according to the terminal works electric current adjustment method of the embodiment of the invention.
Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Fig. 1 is the structured flowchart according to the terminal works electric current debug system of the embodiment of the invention.As shown in Figure 1, comprise according to the terminal works electric current debug system of the embodiment of the invention: terminal 10, impedance conversion module 12, comprehensive tester 14, wherein,
Impedance conversion module 12 links to each other with described comprehensive tester 14 with terminal 10, is used for the loaded impedance after antenna is gone up in pseudo-terminal 10 assemblings.
Pass through said system, adopt impedance conversion module 12 to replace and fix 50 ohmage radio frequency cables, add back practical impedance adjusting impedance conversion module according to antenna, the situation debugging working current of simulation antenna, just simulated the situation of antenna at initial period, and carry out electric current optimum debugging on this basis, thereby the working current of terminal and the electric current that debug out in the laboratory are consistent can make actual use the time.
Preferably, as Fig. 2, shown in Figure 3, can also comprise according to the terminal works electric current debug system of the embodiment of the invention:
Use the assembling of impedance conversion module 12 pseudo-terminals 10 to go up loaded impedance behind the antenna and just need accurately measure load impedance value after antenna is gone up in terminal 10 assemblings earlier, and use vector network analyzer 16 to carry out this work be the most fast and accurately.In specific implementation process, to be on the safe side, after the resistance value of impedance conversion module 12 has carried out adjusting, can also use the resistance value of 16 pairs of adjusted impedance conversion modules 12 of vector network analyzer to measure to guarantee the accuracy of resistance value.
Preferably, as shown in Figure 4, the resistance value of impedance conversion module 12 is controlled by adjusting the control magnitude of voltage.
Fig. 4 is the electrical block diagram of impedance conversion module according to the preferred embodiment of the invention, as shown in Figure 4, whole impedance conversion module 12 mainly is made up of inductance and variable capacitance, the appearance value of three variable capacitances is by Va, Vb, three control of Vc voltage, and the change of the appearance value of these three variable capacitances will cause the resistance value of whole impedance conversion module 12 to change, and that is to say that the resistance value of impedance conversion module 12 can change according to the difference of control magnitude of voltage.Therefore, can adjust the resistance value of impedance conversion module 12 by the value of adjusting control voltage.
Need to prove that impedance conversion module 12 shown in Figure 4 is a kind of comparatively typical impedance conversion module, in fact all impedance conversion modules with above-mentioned functions can be used herein.
Preferably, the terminal works electric current debug system according to the embodiment of the invention can also comprise:
SMITH circle diagram computational tool (not shown in figures), be used to calculate impedance conversion module 12 current resistance values are converted into the required capacitor and inductor value of load impedance value after antenna is gone up in terminal 10 assemblings that measure, and determine the control magnitude of voltage of impedance conversion module 12 according to this capacitor and inductor value.
When adopting the impedance conversion module 12 of structure as shown in Figure 4, to use vector network analyzer 16 to measure its current resistance values earlier, by adjusting control voltage its resistance value is converted into required resistance value again.Just can use SMITH circle diagram computational tool to calculate and how to carry out this conversion.Fig. 5 is the synoptic diagram that changes with the capacitor and inductor value of SMITH circle diagram middle impedance size according to the preferred embodiment of the invention, and wherein, arrow LP represents variation the variation tendency in SMITH circle diagram of impedance magnitude along with the shunt inductance value; Arrow C P represents variation the variation tendency in SMITH circle diagram of impedance magnitude along with the shunt capacitance value; Arrow Ls represents variation the variation tendency in SMITH circle diagram of impedance magnitude along with the series inductance value; Arrow C s represents variation the variation tendency in SMITH circle diagram of impedance magnitude along with the series capacitance value.SMITH circle diagram computational tool calculates according to above-mentioned principle.
Preferably, comprehensive tester 14 can comprise one of following: Agilent 8960, R﹠amp; S cmu200.
Agilent 8960, R﹠amp; S cmu200 is a comprehensive tester the most commonly used, and performance is powerful easy to use.
Below by operational instances above preferred embodiment is described.The terminal works electric current debug system that adopts above preferred embodiment to describe is carried out the debugging of terminal works electric current and be may further comprise the steps:
Steps A: use vector network analyzer 16 measuring terminals 10 to load onto antenna back loading impedance Z m, obtain the desired value of impedance conversion;
Step B: use vector network analyzer 16 measurement impedance conversion module 12 (control voltage is initial value) and comprehensive tester 14 to be connected impedance Z n afterwards by the radio frequency cable;
Step C: on SMITH circle diagram computational tool, calculate impedance and change to the value that Zm needs trim,, converse the value of corresponding control voltage according to the characteristic of impedance conversion module 12 by Zn;
Step D: regulate the control voltage of impedance conversion module 12 according to the result of step C, thereby realize the impedance conversion of Zn, the resistance value of testing on vector network analyzer 16 transforms to Zm;
Step e: add target control voltage for impedance Control module 12,, under this system, terminal 10 is carried out working current and detect, debugging according to the connected mode of Fig. 1.
Fig. 6 is the process flow diagram according to the terminal works electric current adjustment method of the embodiment of the invention.As shown in Figure 6, the terminal works electric current adjustment method according to the embodiment of the invention comprises:
Step S602, the load impedance value of the terminal behind the antenna is gone up in the measurement assembling;
Step S604, the resistance value of impedance conversion module are set to the above-mentioned load impedance value that measures;
Step S608 is connected to comprehensive tester with above-mentioned terminal by the impedance conversion module after being provided with, and carries out the working current debugging.
Adopt said method, use the impedance conversion module to replace and fix 50 ohmage radio frequency cables, add back practical impedance adjusting impedance conversion module according to antenna, the situation debugging working current of simulation antenna, the working current of terminal can be consistent with the electric current that debug out in the laboratory when making actual use.
Preferably, step S602 may further include following processing:
(1) terminal that will assemble behind the antenna is connected to vector network analyzer;
(2) load impedance value of the terminal behind the last antenna of use vector network analyzer measurement assembling.
The measured load impedance value has a variety of methods, and it is accurately the most quick to adopt vector network analyzer to measure.
Preferably, step S604 may further include following processing:
(1) determines the control magnitude of voltage of impedance conversion module according to the load impedance value that measures;
(2) the control magnitude of voltage of adjustment impedance conversion module makes the resistance value of impedance conversion module be converted into the load impedance value that measures.
The preferential impedance conversion module that adopts resistance value to change with the control magnitude of voltage among the present invention, this impedance conversion module is quick on the draw, the precision height of adjustment.
Preferably, determine that according to the load impedance value that measures the control magnitude of voltage of impedance conversion module may further include following processing:
(1) use vector network analyzer to measure the current resistance value of impedance conversion module;
(2), determine control magnitude of voltage with the impedance conversion module according to the difference between resistance value that the impedance conversion module is current and the load impedance value that measures.
In general, when adjusting the resistance value of the impedance conversion module that resistance value changes with the control magnitude of voltage, need measure the current resistance value of this impedance conversion module earlier, and then, determine the adjusted value of control voltage according to the difference between this currency and the desired value.
Preferably, according to the difference between resistance value that the impedance conversion module is current and the load impedance value that measures, determine the control magnitude of voltage of impedance conversion module be may further include following processing:
(1) calculating is converted into the required capacitor and inductor value of the described load impedance value that measures with the described resistance value that the impedance conversion module is current according to the SMITH circle diagram;
(2) determine described control magnitude of voltage according to described capacitor and inductor value with the impedance conversion module.
According to the difference between this currency and the desired value, when determining the adjusted value of control voltage, the present invention preferentially uses the SMITH circle diagram to calculate, and calculates directly perceived quick according to the SMITH circle diagram.
In sum, above preferred embodiment can be summarized as:
(1) at first uses loaded impedance Zm=Rm+jXm (Zm) after the vector network analyzer measuring terminals is loaded onto final use antenna, as target impedance.
(2) then measure impedance conversion module (control voltage is initial voltage) and be connected to comprehensive tester impedance Z n=Rn+jXn (Zn) afterwards.
(3) calculate impedance according to the SMITH circle diagram and change to the capacitor and inductor value of Zm needs, regulate the control magnitude of voltage of impedance conversion module, make the Zn impedance variation, make it in the SMITH circle diagram, move to the position of Zm according to result of calculation by Zn.
(4) terminal is connected to comprehensive tester by the impedance conversion module after regulating, then terminal is carried out working current and detect and debug.
As can be seen from the above description, technical scheme provided by the invention more closing to reality makes land used carry out the terminal works current detecting, has guaranteed that terminal working current value in actual use is more approaching with the optimal value that debugging in the laboratory obtains.Simultaneously, if Carrier Requirements test complete machine coupling index, the veneer index of using time device debugging to go out is more enough more consistent with complete machine coupling index.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the memory storage and carry out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. terminal works electric current debug system comprises: terminal, and comprehensive tester is characterized in that, also comprises:
The impedance conversion module links to each other with described comprehensive tester with described terminal, is used to simulate the loaded impedance after described set of terminal is loaded onto antenna.
2. system according to claim 1 is characterized in that, also comprises:
Vector network analyzer is used to measure described set of terminal and loads onto the load impedance value behind the antenna and the resistance value of described impedance conversion module.
3. system according to claim 2 is characterized in that, the resistance value of impedance conversion module is controlled by adjusting the control magnitude of voltage.
4. system according to claim 3 is characterized in that, also comprises:
SMITH circle diagram computational tool, be used to calculate the current resistance value of described impedance conversion module is converted into the required capacitor and inductor value of load impedance value after the described set of terminal that measures is loaded onto antenna, and determine the control magnitude of voltage of described impedance conversion module according to described capacitor and inductor value.
5. system according to claim 4 is characterized in that, it is one of following that described comprehensive tester comprises: Agilent 8960, R﹠amp; S cmu200.
6. a terminal works electric current adjustment method is characterized in that, comprising:
The load impedance value of the terminal behind the antenna is gone up in the measurement assembling;
The resistance value of impedance conversion module is set to the described load impedance value that measures;
Described terminal is connected to comprehensive tester by the described impedance conversion module after being provided with, carries out the working current debugging.
7. method according to claim 6 is characterized in that, the load impedance value that the terminal behind the antenna is gone up in described measurement assembling comprises:
Terminal behind the antenna in the described assembling is connected to vector network analyzer;
Use described vector network analyzer to measure the load impedance value of the terminal behind the antenna in the assembling.
8. method according to claim 7 is characterized in that, the resistance value of described impedance conversion module is set to the described load impedance value that measures and comprises:
Determine the control magnitude of voltage of described impedance conversion module according to the described load impedance value that measures;
Adjust the control magnitude of voltage of described impedance conversion module, make the resistance value of described impedance conversion module be converted into the described load impedance value that measures.
9. method according to claim 8 is characterized in that, describedly determines that according to the described load impedance value that measures the control magnitude of voltage of described impedance conversion module comprises:
Use described vector network analyzer to measure the current resistance value of described impedance conversion module;
According to described resistance value that the impedance conversion module is current and the difference between the described load impedance value that measures, determine described control magnitude of voltage with the impedance conversion module.
10. method according to claim 9 is characterized in that, and is described according to described resistance value that the impedance conversion module is current and the difference between the described load impedance value that measures, and determines that described control magnitude of voltage with the impedance conversion module comprises:
Calculating is converted into the required capacitor and inductor value of the described load impedance value that measures with the described resistance value that the impedance conversion module is current according to the SMITH circle diagram;
Determine described control magnitude of voltage according to described capacitor and inductor value with the impedance conversion module.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110021735.9A CN102175937B (en) | 2011-01-19 | 2011-01-19 | Terminal operating current debugging system and method |
| PCT/CN2011/074159 WO2012097558A1 (en) | 2011-01-19 | 2011-05-17 | System and method for debugging operating current of terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110021735.9A CN102175937B (en) | 2011-01-19 | 2011-01-19 | Terminal operating current debugging system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102175937A true CN102175937A (en) | 2011-09-07 |
| CN102175937B CN102175937B (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110021735.9A Expired - Fee Related CN102175937B (en) | 2011-01-19 | 2011-01-19 | Terminal operating current debugging system and method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102175937B (en) |
| WO (1) | WO2012097558A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571841A (en) * | 2016-10-28 | 2017-04-19 | 宇龙计算机通信科技(深圳)有限公司 | Radio frequency matching system and method of realizing radio frequency matching automation |
| CN104535848B (en) * | 2015-01-05 | 2017-10-17 | 中国电子科技集团公司第二十二研究所 | Measure the structure of the impedance transformer degree of balance and its network parameter and its determine method |
| WO2021098437A1 (en) * | 2019-11-19 | 2021-05-27 | 北京铁路信号有限公司 | Phase simulation device |
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| CN101287264B (en) * | 2008-05-22 | 2011-03-30 | 德信无线通讯科技（北京）有限公司 | Method, system and control device for measuring standby/call current of mobile phone |
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- 2011-01-19 CN CN201110021735.9A patent/CN102175937B/en not_active Expired - Fee Related
- 2011-05-17 WO PCT/CN2011/074159 patent/WO2012097558A1/en active Application Filing
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535848B (en) * | 2015-01-05 | 2017-10-17 | 中国电子科技集团公司第二十二研究所 | Measure the structure of the impedance transformer degree of balance and its network parameter and its determine method |
| CN106571841A (en) * | 2016-10-28 | 2017-04-19 | 宇龙计算机通信科技(深圳)有限公司 | Radio frequency matching system and method of realizing radio frequency matching automation |
| WO2021098437A1 (en) * | 2019-11-19 | 2021-05-27 | 北京铁路信号有限公司 | Phase simulation device |
| CN112904093A (en) * | 2019-11-19 | 2021-06-04 | 北京铁路信号有限公司 | Phase simulation equipment |
| CN112904093B (en) * | 2019-11-19 | 2022-03-25 | 北京铁路信号有限公司 | Phase simulation equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102175937B (en) | 2016-06-22 |
| WO2012097558A1 (en) | 2012-07-26 |
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