CN108039922A - A kind of adjustment method of antenna frequencies, antenna-matching circuit and terminal - Google Patents
A kind of adjustment method of antenna frequencies, antenna-matching circuit and terminal Download PDFInfo
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- CN108039922A CN108039922A CN201711434434.2A CN201711434434A CN108039922A CN 108039922 A CN108039922 A CN 108039922A CN 201711434434 A CN201711434434 A CN 201711434434A CN 108039922 A CN108039922 A CN 108039922A
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- 238000013102 re-test Methods 0.000 abstract description 3
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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
- H04B17/12—Monitoring; Testing of transmitters for calibration of transmit antennas, e.g. of the amplitude or phase
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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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Abstract
The embodiment of the invention discloses a kind of adjustment method of antenna frequencies, antenna-matching circuit and terminal, including：Determine that branch to be tested in antenna-matching circuit uses combination, participate in placing lump component on the branch of test in any branch is using combination, test the resonant frequency of antenna body, according to each branch using corresponding resonant frequency is combined, the frequency adjustment range and optimum resonant frequency of antenna body are determined.It can be seen that, since signal feed point and ground distributing point can connect one or more branches, and one or more lump component locations are both provided with each branch, therefore when needing to test the resonant frequency of antenna, select different branch that the adjustment of resonant frequency can be achieved using combination placement lump component according to demand, it will need to remake the lengthy process of circuit board re-test so as to avoid changing circuit design each time in the prior art, the efficiency of antenna circuit test is effectively improved, shortens the R＆D cycle.
Description
Technical field
The present invention relates to wireless communication field, more particularly to a kind of adjustment method of antenna frequencies, antenna-matching circuit and
Terminal.
Background technology
With the development of technology, various types of intelligent terminals emerge in an endless stream, and not only function is also increasingly stronger, updates
Speed be also getting faster.In order to win in fierce market competition, requirement of each intelligent terminal manufacturer to properties of product
Also it is higher and higher, at the same also urgently demand shorten new product R＆D cycle.
At present, in the Antenna Design and R＆D process of intelligent terminal, for the antenna circuit designing scheme being optimal,
Tester needs to test the resonant frequency of antenna in terminal circuit.In the prior art, it is connected with antenna radiation unit
Impedance matching circuit often using the direct-connected designing scheme of single channel, i.e., signal feed point and distributing point pass through a branch
It is connected with antenna radiation unit.As can be seen that using circuit design of the prior art, the resonant frequency of terminal antenna without
Method adjusts, if tester has found do not meeting testing standard, it is necessary to change using the resonant frequency of current circuit design antenna
When moving the component in circuit, generally require after circuit is redesigned and made, could be tested again, this is not only
So that the cycle of antenna adjustment is elongated, debugging it is difficult.
Therefore, at present there is an urgent need for a kind of adjustment method of antenna frequencies, to improve the efficiency of antenna circuit test, shortening is ground
Send out the cycle.
The content of the invention
The embodiment of the present invention provides a kind of adjustment method of antenna frequencies, antenna-matching circuit and terminal, for improving day
The efficiency of line circuit test, shortens the R＆D cycle.
A kind of adjustment method of antenna frequencies of offer in the embodiment of the present invention, it is described applied to antenna-matching circuit
Antenna-matching circuit includes antenna body, signal feed point and N number of ground distributing point, in N number of ground distributing point anyly
Distributing point is provided with one or more for placing by M grounding in parallel on any branch in the M branch
The lump component locations of lump component；The signal feed o'clock is by one or P branch in parallel and the antenna
Body connects, and one or more lump component locations are provided with P branch of one branch or parallel connection；N be more than etc.
It is more than or equal to 2, P in 1, M and is more than or equal to 1, the described method includes：
Determine that all branches to be tested are using combination in the antenna-matching circuit, wherein, any branch uses group
Conjunction includes participating in the part or all of branch of test in M branch of each ground distributing point, and signal feed point connects
The part or all of branch of test is participated in the branch connect；
For any branch using combining, the lump member on the branch of test is participated in any branch is using combination
Lump component is placed on device position, and tests resonant frequency of the branch using the corresponding antenna body of combination；
Resonant frequency according to each branch using the corresponding antenna body of combination, determines the humorous of the antenna body
Vibration frequency adjusting range, and the optimum resonant frequency of the antenna body.
Based on same inventive concept, a kind of antenna-matching circuit of the offer in the embodiment of the present invention includes：Antenna sheet
Body, signal feed point and N number of ground distributing point；The radio-frequency module port of the signal feed point and terminal connects, for receiving
The input signal of radio-frequency module is stated, described ground distributing point is used to be grounded, and N is more than or equal to 1；
Any ground distributing point in N number of ground distributing point is by M grounding in parallel, in the M branch
One or more lump component locations for being used to place lump component are provided with any branch, M is more than or equal to 2；
The signal feed o'clock is connected by P branch of a branch or parallel connection with the antenna body, one
One or more lump component locations are provided with branch or P branch of parallel connection, P is more than or equal to 1.
Alternatively, the quantity of the lump component locations set in M branch where any ground distributing point is identical,
And the lump component locations in symmetric position are used to place identical lump component.
Alternatively, when the signal feed o'clock is connected by a branch with the antenna body, one branch
In be not provided with lump component locations.
Alternatively, when the signal feed point is connected by P branch with the antenna body, in the P branch
The quantity of the lump component locations of setting is identical, and the lump component locations in symmetric position are identical for placing
Lump component.
Alternatively, the distance between two branches of arbitrary neighborhood in the M branch, and any phase in P branch
The distance between two adjacent branches are all higher than 1mm, and are less than 10mm.
Alternatively, the lump component is one kind in zero ohms, capacitance, inductance.
Based on same inventive concept, a kind of terminal of the offer in the embodiment of the present invention includes above-mentioned antenna match electricity
Road.
Another embodiment of the present invention provides a kind of test equipment, it includes memory and processor, wherein, the storage
Device is instructed for storage program, and the processor is used to call the programmed instruction stored in the memory, according to the journey of acquisition
Sequence performs any of the above-described kind of method.
Another embodiment of the present invention provides a kind of computer-readable storage medium, and the computer-readable recording medium storage has
Computer executable instructions, the computer executable instructions are used to make the computer perform any of the above-described kind of method.
A kind of adjustment method of antenna frequencies provided in an embodiment of the present invention, including determine to be needed in antenna-matching circuit
The branch of test, for any of which branch using combining, participates in the branch of test using combination in the branch is using combination
On lump component locations place lump component, test the branch using the resonant frequency for combining corresponding antenna body,
Resonant frequency according to each branch using the corresponding antenna body of combination, determines the resonant frequency tune of the antenna body
Whole scope, and the optimum resonant frequency of the antenna body.As it can be seen that since signal feed point and ground distributing point can connect one
Or multiple branches, one or more lump component locations are both provided with each branch, therefore, when needing to test antenna
During resonant frequency, different branch is selected to place lump component using combination according to demand, you can realize the adjustment of resonant frequency,
So as to avoid modification circuit design will need to remake circuit board re-test resonant frequency each time in the prior art
Lengthy process, can effectively improve the efficiency of antenna circuit test, shorten the R＆D cycle.
Brief description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill in field, without creative efforts, other can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the flow diagram corresponding to a kind of adjustment method for antenna frequencies that the embodiment of the present invention one provides；
Fig. 2 is a kind of the first circuit structure of antenna-matching circuit provided by Embodiment 2 of the present invention；
Fig. 3 is a kind of second of circuit structure of antenna-matching circuit provided by Embodiment 2 of the present invention；
Fig. 4 is a kind of the third circuit structure of antenna-matching circuit provided by Embodiment 2 of the present invention；
Fig. 5 is a kind of the 4th kind of circuit structure of antenna-matching circuit provided by Embodiment 2 of the present invention；
Fig. 6 is a kind of the 5th kind of circuit structure of antenna-matching circuit provided by Embodiment 2 of the present invention；
Fig. 7 is a kind of the 6th kind of circuit structure of antenna-matching circuit provided by Embodiment 2 of the present invention；
Fig. 8 is a kind of the 7th kind of circuit structure of antenna-matching circuit provided by Embodiment 2 of the present invention；
Fig. 9 is a kind of the 8th kind of circuit structure of antenna-matching circuit provided by Embodiment 2 of the present invention；
Figure 10 is a kind of terminal of second of circuit structure of application antenna-matching circuit provided by Embodiment 2 of the present invention
Cut-away view；
Figure 11 is a kind of circuit design of second of circuit structure of antenna-matching circuit provided by Embodiment 2 of the present invention
Fabric swatch figure；
Figure 12 is a kind of circuit design of second of circuit structure of antenna-matching circuit provided by Embodiment 2 of the present invention
Schematic diagram；
Figure 13 is a kind of corresponding antenna of second of circuit structure of antenna-matching circuit provided by Embodiment 2 of the present invention
Resonant frequency；
Figure 14 is a kind of corresponding antenna of second of circuit structure of antenna-matching circuit provided by Embodiment 2 of the present invention
Efficiency；
Figure 15 is a kind of structure diagram for test equipment that the embodiment of the present invention four provides.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearer, the present invention is made below in conjunction with attached drawing into
One step it is described in detail, it is clear that described embodiment only part of the embodiment of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
All other embodiment, belongs to the scope of protection of the invention.
The embodiment of the present invention is described in further detail with reference to Figure of description.
Fig. 1 schematically illustrates the stream corresponding to a kind of adjustment method of antenna frequencies of the offer of the embodiment of the present invention one
Journey schematic diagram, as shown in Figure 1, described method includes following steps S101 to S103：
Step S101：Determine that all branches to be tested are using combination in the antenna-matching circuit, wherein, Ren Yizhi
Road includes the part or all of branch that test is participated in M branch of each ground distributing point, and the signal using combination
The part or all of branch of test is participated in the branch of distributing point connection；
Step S102：For any branch using combining, the branch of test is participated in any branch is using combination
On lump component locations on place lump component, and test the branch and use the humorous of the corresponding antenna body of combination
Vibration frequency；
Step S103：Resonant frequency according to each branch using the corresponding antenna body of combination, determines the day
The resonant frequency adjusting range of line body, and the optimum resonant frequency of the antenna body.
What the adjustment method of the antenna frequencies provided in the embodiment of the present invention one was provided suitable for the embodiment of the present invention two
Antenna-matching circuit, which includes antenna body, signal feed point and N number of ground distributing point, described to present N number ofly
Any ground distributing point in electricity point is provided with one by M grounding of parallel connection on any branch in the M branch
Or multiple lump component locations for being used to place lump component；The signal feed o'clock is by one or P in parallel is a
Branch is connected with the antenna body, and one or more lump member devices are provided with P branch of one branch or parallel connection
Part position；N is more than or equal to 1, M and is more than or equal to 2, P more than or equal to 1.
Specifically, set on the M branch that any ground distributing point of antenna-matching circuit is connected in the embodiment of the present invention two
The quantity for the lump component locations put can be identical, can not also be identical.Further, if what a certain ground distributing point was connected
The quantity of the lump component locations set on M branch is identical, then can also be used to put on symmetrical lump component locations
Put identical lump component.
In the embodiment of the present invention two the signal feed point of antenna-matching circuit can by one or multiple branches in parallel with
Antenna body is connected, if signal feed point is only connected by a branch with antenna body, then can be set on the branch
Lump component locations, can also be not provided with lump component locations, i.e., be connected directly signal feed point with antenna body.
If signal feed point is connected by multiple branches in parallel with antenna body, such as P branch in parallel, then P
The quantity of the lump component locations set on branch can be identical, can not also be identical.Further, if being set on P branch
The quantity for the lump component locations put is identical, then can also be used to place identical lump on symmetrical lump component locations
Component.
In the embodiment of the present invention two, those skilled in the art can be M connected to each ground distributing point according to being actually needed
The adjacent branch of any two in the distance between any two adjacent legs in branch, and the connected P branch of signal feed point
The distance between road is specifically set, alternatively, can by the distance between any two adjacent legs in M branch, with
And the distance between any two adjacent legs are set greater than 1mm in P branch, and less than between 10mm.
It should be noted that in antenna-matching circuit in the embodiment of the present invention two the quantity of distributing point, each present
The quantity that electricity puts the lump component set in the quantity of ground branch, each branch can be by those skilled in the art according to reality
Border needs specific setting, and the present invention is not particularly limited this.
Similarly, the branch that signal feed point is connected with antenna body in the antenna-matching circuit in the embodiment of the present invention two
The quantity of the lump component set in quantity, each branch also can specifically be set by those skilled in the art according to actual needs
Put, the present invention is not particularly limited this.
The antenna-matching circuit provided in the embodiment of the present invention two can have a variety of possible specific implementations, and Fig. 2 shows
Example property shows a kind of the first circuit structure of antenna-matching circuit provided by Embodiment 2 of the present invention, as shown in Fig. 2, first
Antenna-matching circuit in kind circuit structure includes antenna body A1000, a signal feed point F1000 and two ground feeds
Point G1000 and G2000.
Wherein, each ground distributing point is by two groundings in parallel, and is both provided with two use on each branch
In the lump component locations for placing lump component；Signal feed point is connected by two branches in parallel with antenna body,
And two are both provided with two branches and places the placement lump component locations for being used for placing lump component.
Fig. 3 illustrates a kind of second of circuit structure of antenna-matching circuit provided by Embodiment 2 of the present invention,
As shown in figure 3, in second of circuit structure antenna-matching circuit equally include antenna body A1000, signal feed point F1000 with
And two ground distributing point G1000 and G2000.Compared with the first circuit structure, difference lies in signal in second of circuit structure
Distributing point is connected directly by a branch with antenna body, and is not provided with can be used for placing lump component in the branch
Lump component locations.
Fig. 4 illustrates a kind of the third circuit structure of antenna-matching circuit provided by Embodiment 2 of the present invention,
As shown in figure 4, in the third circuit structure antenna-matching circuit equally include antenna body A1000, signal feed point F1000 with
And two ground distributing point G1000 and G2000, and signal feed point is connected by two branches in parallel with antenna body, each
Ground distributing point passes through two groundings in parallel.Compared with the first circuit structure, difference lies in each ground distributing point institute
A lump component locations are only provided with branch and the connected branch of signal feed point even.
Fig. 5 illustrates a kind of the 4th kind of circuit structure of antenna-matching circuit provided by Embodiment 2 of the present invention,
As shown in figure 5, in the 4th kind of circuit structure antenna-matching circuit equally include antenna body A1000, signal feed point F1000 with
And two ground distributing point G1000 and G2000, and each ground distributing point each is fed by two groundings in parallel
A lump component locations are only provided with the connected branch of point.Compared with the third circuit structure, difference lies in the 4th
Signal feed point is connected directly with antenna body by a branch in kind circuit structure, and is not provided with lump on the branch
Component locations.
Fig. 6 illustrates a kind of the 5th kind of circuit structure of antenna-matching circuit provided by Embodiment 2 of the present invention,
As shown in fig. 6, antenna-matching circuit includes antenna body A1000, signal feed point F1000 in the 5th kind of circuit structure, and
One ground distributing point G1000.Signal feed point F1000 is connected by two branches in parallel with antenna body, and each branch
On be provided with two lump component locations, ground distributing point G1000 is set by two groundings in parallel on each branch
It is equipped with two lump component locations.
Fig. 7 illustrates a kind of the 6th kind of circuit structure of antenna-matching circuit provided by Embodiment 2 of the present invention,
As shown in fig. 7, antenna-matching circuit includes antenna body A1000, signal feed point F1000 in the 6th kind of circuit structure, and
One ground distributing point G1000, ground distributing point G1000 are both provided with two by two groundings in parallel on each branch
A lump component locations.Compared with the 5th kind of circuit structure, signal feed o'clock passes through a branch in the 6th kind of circuit structure
It is connected directly with antenna body, and lump component locations is not provided with the branch.
Fig. 8 illustrates a kind of the 7th kind of circuit structure of antenna-matching circuit provided by Embodiment 2 of the present invention,
As shown in figure 8, antenna-matching circuit includes antenna body A1000, signal feed point F1000 in the 7th kind of circuit structure, and
One ground distributing point G1000.Signal feed point F1000 is connected by two branches in parallel with antenna body A1000, and each
A lump component locations are both provided with branch.Ground distributing point G1000 is by two groundings in parallel, and each branch
A lump component locations are both provided with road.
Fig. 9 illustrates a kind of the 8th kind of circuit structure of antenna-matching circuit provided by Embodiment 2 of the present invention,
As shown in figure 9, antenna-matching circuit includes antenna body A1000, signal feed point F1000 in the 8th kind of circuit structure, and
One ground distributing point G1000.Ground distributing point G1000 is both provided with one by two groundings in parallel on each branch
A lump component locations.Compared with the 7th kind of circuit structure, signal feed point F1000 passes through one in the 8th kind of circuit structure
Branch is connected with antenna body, and lump component locations are not provided with the branch.
The day for coming in the present invention will be described in detail embodiment one to provide to the circuit structure shown in Fig. 9 with reference to Fig. 2
The adjustment method of line frequency.
In step S101, it is first determined all branches to be tested are using combination in antenna-matching circuit, wherein appointing
One branch, which uses to combine, includes the connected at least one branch of signal feed point, and each ground distributing point is connected at least one
Branch.For example, in fig. 2 in the first shown circuit structure, if signal feed point F1000 is connected with antenna body A1000
Two branches be F1 and F2 respectively, two branches of ground distributing point G1000 ground connection are G10 and G11 respectively, ground distributing point
Two branches of G2000 ground connection are G20 and G21 respectively, then include as shown in the table 45 altogether in the first circuit structure
Kind branch to be tested uses combination：
Table 1
In step s 102, group can be used in the branch using combination for any branch in branch combinations to be tested
Close and lump component is placed on each branch included, corresponding antenna-matching circuit is combined so as to form the branch and use, with
When test uses the antenna-matching circuit of combination using the branch afterwards, the resonant frequency of antenna body.If it was found that use a certain branch
Road does not meet the frequency of testing standard or desired design using the resonant frequency of antenna body during combination, then only needs change should
Branch using the lump component in combination on each branch, or using other branches using combination place lump component after
It is continuous to be tested, without redesigning circuit structure, making test circuit plate.
In the embodiment of the present invention one and embodiment two, the lump component can be that zero ohms, capacitance, inductance etc. are a variety of
The lump component of type.For any branch in a certain circuit structure using combination, used in the branch each in combination
Which kind of type is placed on a branch, parameter value is that how many lump components can be by those skilled in the art according to specific circuit
Designing scheme determines that the present invention is not particularly limited this.
In step s 103, by being surveyed to all branches in antenna-matching circuit using corresponding resonant frequency is combined
Examination, can obtain the adjusting range of the resonant frequency of the antenna body of antenna-matching circuit, so as to therefrom determine to meet that design will
The optimum resonant frequency asked, and the corresponding branch of optimum resonant frequency use combination.
It should be noted that the adjustment method of the antenna frequencies provided in the embodiment of the present invention one is useful in the products such as terminal
R＆D process in, using the method provided in the embodiment of the present invention one, those skilled in the art need to only design and make one kind
The antenna-matching circuit of circuit structure, the resonance of the antenna body of combination is used by all branches included to the circuit structure
Frequency is tested, and the corresponding branch of optimum resonant frequency is determined as the circuit structure of antenna-matching circuit most using combination
Whole implementation, after designing and producing a specific antenna-matching circuit, tests resonant frequency, modification antenna repeatedly
The circuit structure of match circuit is to reach antenna measurement requirement.
Figure 10 is a kind of terminal of second of circuit structure of application antenna-matching circuit provided by Embodiment 2 of the present invention
Cut-away view, as shown in Figure 10, ANT-1 be antenna Main Branches, ANT-F is signal feed point, ANT-G1 and ANT-
G2 is respectively two ground distributing points positioned at signal feed point side.
The antenna-matching circuit of second of circuit structure used by the exemplary terminals given described in Figure 10 of Figure 11
Circuit design fabric swatch figure, as shown in figure 11, lump component G121 and G122 series connection be connected as with ground distributing point ANT-G1
A branch, as another branch be connected with ground distributing point ANT-G1, lump is first for lump component G111 and G112 series connection
Device G221 and G222 series connection are as a branch being connected with ground distributing point ANT-G2, lump component G211 and G212 series connection
As another branch being connected with ground distributing point ANT-G2.
Figure 12 is exemplary to be gone out to give circuit design fabric swatch figure shown in Figure 11 corresponding circuit design principle figure, figure Figure 12 institutes
Show, the lump component set on two branches of ground distributing point ANT-G1 and ground distributing point ANT-G2 ground connection at symmetric position
Identical, i.e., G121 is identical with G111, and G111 is identical with G112, and G221 is identical with G211, and G222 is identical with G212.
Figure 13 and Figure 14 exemplary corresponding antenna resonant frequencies of circuit and antenna given shown in Figure 12 respectively
Efficiency, as shown in Figure 13 and Figure 14, the branch that four kinds different in second of circuit structure of antenna-matching circuit use combination pair
The center resonant frequency for the antenna answered is significantly different, therefore, is come by using the different branch of antenna-matching circuit using combination
The resonant frequency of antenna is adjusted, and keeps antenna efficiency to be basically unchanged.
The embodiment of the present invention three additionally provides a kind of terminal, which includes the antenna match electricity in above-described embodiment two
Road.
Based on same inventive concept, the embodiment of the present invention four also provides another test equipment, and the test equipment is specific
Can be desktop computer, portable computer, smart mobile phone, tablet computer, personal digital assistant (Personal Digital
Assistant, PDA) etc..As shown in figure 15, which can include central processing unit (Center
Processing Unit, CPU) 1501, memory 1502, input-output apparatus 1503 and bus system 1504 etc..Wherein, it is defeated
Keyboard, mouse, touch-screen etc. can be included by entering equipment, and output equipment can include display device, such as liquid crystal display (Liquid
Crystal Display, LCD), cathode-ray tube (Cathode Ray Tube, CRT) etc..
Memory can include read-only storage (ROM) and random access memory (RAM), and provide storage to processor
The programmed instruction and data stored in device.In embodiments of the present invention, memory can be used for the tune for storing above-mentioned antenna frequencies
The program of method for testing.
By calling the programmed instruction of memory storage, processor is used to perform according to the programmed instruction of acquisition processor
State the adjustment method of antenna frequencies.
Based on same inventive concept, the embodiment of the present invention four additionally provides a kind of computer-readable storage medium, for storing
For the computer program instructions used in above-mentioned computing device, it includes the journey of the adjustment method for performing above-mentioned antenna frequencies
Sequence.
The computer-readable storage medium can be any usable medium or data storage device that computer can access, bag
Include but be not limited to magnetic storage (such as floppy disk, hard disk, tape, magneto-optic disk (MO) etc.), optical memory (such as CD, DVD,
BD, HVD etc.) and semiconductor memory (such as it is ROM, EPROM, EEPROM, nonvolatile memory (NAND FLASH), solid
State hard disk (SSD)) etc..
As shown in the above, the adjustment method of a kind of antenna frequencies provided in an embodiment of the present invention, including determine antenna
All branches to be tested, for any of which branch using combining, are used in the branch and combined using combination in match circuit
Lump component locations on the middle branch for participating in test place lump component, test the branch and use the corresponding antenna of combination
The resonant frequency of body, the resonant frequency according to each branch using the corresponding antenna body of combination, determines the antenna
The resonant frequency adjusting range of body, and the optimum resonant frequency of the antenna body.As it can be seen that due to signal feed point and ground
Distributing point can connect one or more branches, and one or more lump component locations are both provided with each branch, therefore,
When needing to test the resonant frequency of antenna, different branch is selected to place lump component using combination according to demand, you can real
The adjustment of existing resonant frequency, so as to avoid modification circuit design will need to remake circuit board each time in the prior art
The lengthy process of re-test resonant frequency, can effectively improve the efficiency of antenna circuit test, shorten the R＆D cycle.
It should be understood by those skilled in the art that, the embodiment of the present invention can be provided as method, system or computer program
Product.Therefore, the present invention can use the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.Moreover, the present invention can be used wherein includes the meter of computer usable program code at one or more
The computer journey that calculation machine usable storage medium is implemented on (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of sequence product.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make these embodiments other change and modification.So appended claims be intended to be construed to include it is excellent
Select embodiment and fall into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and scope.In this way, if these modifications and changes of the present invention belongs to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these modification and variations.
Claims (10)
1. a kind of adjustment method of antenna frequencies, it is characterised in that the method is applied to antenna-matching circuit, the antenna
Include antenna body, signal feed point and N number of ground distributing point with circuit, any ground distributing point in N number of ground distributing point
By M grounding in parallel, it is provided with any branch in the M branch one or more for placing lump member
The lump component locations of device；The signal feed o'clock is by one or P branch in parallel connects with the antenna body
Connect, one or more lump component locations are provided with P branch of one branch or parallel connection；It is big that N is more than or equal to 1, M
In equal to 2, P be more than or equal to 1, the described method includes：
Determine that all branches to be tested are using combination in the antenna-matching circuit, wherein, any branch is used in combination
Participated in the M branch including each ground distributing point test part or all of branch, and the signal feed point connection
The part or all of branch of test is participated in branch；
For any branch using combining, the lump component on the branch of test is participated in any branch is using combination
Lump component is placed in position, and tests resonant frequency of the branch using the corresponding antenna body of combination；
Resonant frequency according to each branch using the corresponding antenna body of combination, determines the resonance frequency of the antenna body
Rate adjusting range, and the optimum resonant frequency of the antenna body.
2. a kind of antenna-matching circuit, it is characterised in that the antenna-matching circuit includes antenna body, signal feed point and N
The radio-frequency module port connection of a ground distributing point, the signal feed point and terminal, for receiving the input of the radio-frequency module
Signal, described ground distributing point are used to be grounded, and N is more than or equal to 1；
Any ground distributing point in N number of ground distributing point is by M grounding in parallel, any in the M branch
One or more lump component locations for being used to place lump component are provided with branch, M is more than or equal to 2；
The signal feed o'clock is connected by P branch of a branch or parallel connection with the antenna body, one branch
Or one or more lump component locations are provided with P branch in parallel, P is more than or equal to 1.
3. antenna-matching circuit according to claim 2, it is characterised in that M branch where any ground distributing point
The quantity of the lump component locations set in road is identical, and the lump component locations in symmetric position are used to place phase
Same lump component.
4. antenna-matching circuit according to claim 2, it is characterised in that pass through a branch in the signal feed o'clock
When being connected with the antenna body, lump component locations are not provided with one branch.
5. antenna-matching circuit according to claim 2, it is characterised in that pass through P branch in the signal feed point
When being connected with the antenna body, the quantity of the lump component locations set in the P branch is identical, and in symmetrical
The lump component locations of position are used to place identical lump component.
6. the antenna-matching circuit according to any one of claim 2 to 5, it is characterised in that any in the M branch
The distance between two adjacent branches, and the distance between two branches of arbitrary neighborhood are all higher than 1mm in P branch,
And it is less than 10mm.
7. the antenna-matching circuit according to any one of claim 2 to 5, it is characterised in that the lump component is
One kind in zero ohms, capacitance, inductance.
8. a kind of terminal, it is characterised in that the terminal includes the antenna match as any one of claim 2 to 7
Circuit.
A kind of 9. test equipment, it is characterised in that including：
Memory, instructs for storage program；
Processor, for calling the programmed instruction stored in the memory, performs as in claim 1 according to the program of acquisition
The method.
10. a kind of computer-readable storage medium, it is characterised in that the computer-readable recording medium storage has computer can perform
Instruction, the computer executable instructions are used to make the computer perform method as described in claim 1.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711434434.2A CN108039922A (en) | 2017-12-26 | 2017-12-26 | A kind of adjustment method of antenna frequencies, antenna-matching circuit and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711434434.2A CN108039922A (en) | 2017-12-26 | 2017-12-26 | A kind of adjustment method of antenna frequencies, antenna-matching circuit and terminal |
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| CN108039922A true CN108039922A (en) | 2018-05-15 |
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| CN201711434434.2A Pending CN108039922A (en) | 2017-12-26 | 2017-12-26 | A kind of adjustment method of antenna frequencies, antenna-matching circuit and terminal |
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