CN109274347A - The adjustment method of radio-frequency match device, radio-frequency match device - Google Patents
The adjustment method of radio-frequency match device, radio-frequency match device Download PDFInfo
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- CN109274347A CN109274347A CN201811075503.XA CN201811075503A CN109274347A CN 109274347 A CN109274347 A CN 109274347A CN 201811075503 A CN201811075503 A CN 201811075503A CN 109274347 A CN109274347 A CN 109274347A
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- inductance
- switch
- match circuit
- tunable capacitor
- transceiver
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/38—Impedance-matching networks
- H03H7/40—Automatic matching of load impedance to source impedance
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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Abstract
The present invention provides the adjustment method of a kind of radio-frequency match device, radio-frequency match device, which includes: match circuit, transceiver and processor；The input terminal of match circuit is connect with radio-frequency antenna, and the output end of match circuit is connect with transceiver, and processor is connect with transceiver, match circuit respectively；It include tunable capacitor and switched inductors in match circuit；Processor, the level intensity of the signal for being exported according to transceiver debug the capacitance of the tunable capacitor in match circuit and the inductance value of switched inductors.The level intensity for the signal that processor provided by the invention is exported according to transceiver debugs match circuit, and debugging efficiency is high.
Description
Technical field
The present invention relates to wireless communication technology field more particularly to the tune of a kind of radio-frequency match device, radio-frequency match device
Method for testing.
Background technique
With the continuous development of electronic technology, the mobile devices such as mobile phone, tablet computer oneself become people's indispensability electronics production
One of product, meanwhile, with the demand that people are lightening to electronic product, the shape of existing electronic product also becomes increasingly
It is thin, so that the design space of antenna also becomes smaller and smaller.Wherein, the impedance matching of antenna is the groundwork of Antenna Design,
With popularizing for LTE, the frequency range for including in mobile device is more and more, and impedance matching process is complex.
In the prior art, frequently with antenna-matching circuit in, the inductance value of inductance and the capacitance of capacitor be it is fixed,
For the antenna match debugging of the progress of some frequency range, often by the way of blind tune, i.e., using the inductance of different inductance value, difference
The mode of the capacitor replacement of capacitance obtains optimal debugging result.
Matching and debugging mode in the prior art, debugging efficiency is relatively low, and reception matching and debugging band is given in the increase of frequency range
Very big workload is carried out.
Summary of the invention
The present invention provides the adjustment method of a kind of radio-frequency match device, radio-frequency match device, the letter exported according to transceiver
Number level intensity debug match circuit, debugging efficiency is high.
The first aspect of the present invention provides a kind of radio-frequency match device, comprising: match circuit, transceiver and processor；
The input terminal of the match circuit is connect with radio-frequency antenna, and the output end of the match circuit and the transceiver connect
It connects, the processor is connect with the transceiver, the match circuit respectively；
The processor, the level intensity of the signal for being exported according to the transceiver, is debugged in the match circuit
The tunable capacitor capacitance and the switched inductors inductance value.
Optionally, when the match circuit is single ended input match circuit, the transceiver is single ended input transceiver,
The match circuit includes: first switch inductance, second switch inductance, the first tunable capacitor and the second tunable capacitor；
The first end of the first switch inductance is connect with the radio-frequency antenna, the second end point of the first switch inductance
It is not connect with the first end of the first end of the second switch inductance, first tunable capacitor, the second switch inductance
Second end ground connection, the second end of first tunable capacitor respectively with the first end of second tunable capacitor, the transceiver
Connection, the second end ground connection of second tunable capacitor.
Optionally, the first switch inductance includes the first inductance and first switch, and the second switch inductance includes the
Two inductance and second switch；
The first end of first inductance is connect with the first end of the first switch, the radio-frequency antenna respectively, described
The second end of first inductance respectively with the second end of the first switch, first end of second inductance, described first adjustable
The first end of capacitor connects, and the second end of second inductance is connect with the first end of the second switch, the second switch
Second end ground connection.
Optionally, when the match circuit is Differential Input match circuit, the transceiver is double-width grinding transceiver,
The match circuit includes: third switched inductors, the 4th switched inductors, the 5th switched inductors, third tunable capacitor, the 4th adjustable
Capacitor and the 5th tunable capacitor；
The first end of the third switched inductors is connect with the radio-frequency antenna, the second end point of the third switched inductors
It is not connect with the first end of the 4th switched inductors, the first end of the third tunable capacitor, the 4th switched inductors
Second end is connect with the first end of the 5th switched inductors, the first end of the 5th tunable capacitor respectively, and the described 5th opens
The second end of powered-down sense is grounded, the second end of the third tunable capacitor respectively with the first end of the 4th tunable capacitor, institute
The first input end connection of transceiver is stated, the second end of the 4th tunable capacitor is inputted with the second of the transceiver respectively
The second end connection at end, the 5th tunable capacitor.
Optionally, the third switched inductors include third inductance and third switch, and the 4th switched inductors include the
Four inductance and the 4th switch, the 5th switched inductors include the 5th inductance and the 5th switch；
The first end of the third inductance is connect with the first end of third switch, the radio-frequency antenna respectively, described
The second end of third inductance respectively with the third switch second end, the first end of the 4th inductance, the third is adjustable
The first end of capacitor connects, and the second end of the 4th inductance is connect with the first end of the 4th switch, the 4th switch
Second end respectively with the first end of the 5th tunable capacitor, the first end of the 5th inductance, the 5th switch the
One end connection, the second end of the 5th inductance, the second end of the 5th switch are grounded respectively.
Optionally, tunable capacitor is transformation diode or capacitor array.
The second aspect of the present invention provides a kind of adjustment method of radio-frequency match device, comprising:
Transceiver is obtained in the level intensity of the signal of debugging frequency range output；
If the level intensity of the signal is not up to predetermined level intensity, the capacitor of the tunable capacitor in match circuit is debugged
The inductance value of value and switched inductors, so that the level intensity of the signal of transceiver output reaches the predetermined level intensity,
Wherein, the signal of radio-frequency antenna output is input to the transceiver by match circuit.
Optionally, the method also includes:
It is strong that the level intensity for the signal that multiple debugging frequency ranges and the transceivers export is reached into the predetermined level
Corresponding match circuit state is stored when spending, and the match circuit state is the inductance of switched inductors in the match circuit
The capacitance of value and tunable capacitor；
Working frequency range is obtained, the match circuit is set to corresponding match circuit state.
Optionally, the inductance value of switched inductors in the match circuit is debugged, comprising:
The opening and closing switched in the switched inductors is controlled, the inductance value of switched inductors described in the match circuit is adjusted；
The multiple debugging frequency range and the level intensity of the signal of transceiver output reach the predetermined level
Corresponding match circuit state is stored when intensity, comprising:
It is strong that the level intensity for the signal that multiple debugging frequency ranges and the transceivers export is reached into the predetermined level
The inductance value of the switch state of corresponding switched inductors, switched inductors when spending, and, the capacitance of tunable capacitor is deposited
Storage.
Optionally, when the switch state in the switched inductors is in an open state, the inductance value of the switched inductors is
0；
When the switch state of the switched inductors is closed state, the inductance value of the switched inductors is the switch electricity
The default inductance value of inductance in sense.
The present invention provides the adjustment method and debugging apparatus of a kind of radio-frequency match device, radio-frequency match device, the radio frequency
It include: match circuit, transceiver and processor with device；The input terminal of match circuit is connect with radio-frequency antenna, match circuit
Output end is connect with transceiver, and processor is connect with transceiver, match circuit respectively；It include tunable capacitor and opening in match circuit
Powered-down sense；Processor, the level intensity of the signal for being exported according to transceiver debug the electricity of the tunable capacitor in match circuit
The inductance value of capacitance and switched inductors.The level intensity debugging for the signal that processor provided by the invention is exported according to transceiver
With circuit, debugging efficiency is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram one of match circuit in the prior art；
Fig. 2 is the structural schematic diagram two of match circuit in the prior art；
Fig. 3 is the structural schematic diagram one of radio-frequency match device provided by the invention；
Fig. 4 is the structural schematic diagram two of radio-frequency match device provided by the invention；
Fig. 5 is the structural schematic diagram three of radio-frequency match device provided by the invention；
Fig. 6 is the flow diagram one of the adjustment method of radio-frequency match device provided by the invention；
Fig. 7 is the flow diagram two of the adjustment method of radio-frequency match device provided by the invention；
Fig. 8 is corresponding impedance circle schematic diagram in the debugging process of radio-frequency match device provided by the invention.
Description of symbols:
10- radio-frequency match device；
11- match circuit；
12- transceiver；
13- processor；
S1- first switch；
S2- second switch；
S3- third switch；
S4- the 4th is switched；
S5- the 5th is switched；
The first inductance of L1-；
The second inductance of L2-；
L3- third inductance；
The 4th inductance of L4-；
The 5th inductance of L5-；
The first tunable capacitor of C1-；
The second tunable capacitor of C2-；
C3- third tunable capacitor；
The 4th tunable capacitor of C4-；
The 5th tunable capacitor of C5-.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the embodiment of the present invention, to this
Technical solution in inventive embodiments is clearly and completely described, it is clear that described embodiment is that a part of the invention is real
Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creation
Property labour under the premise of every other embodiment obtained, shall fall within the protection scope of the present invention.
In the RF receiving circuits of mobile devices such as usual mobile phone, tablet computer, the wireless signal that antenna receives passes through
Before radio-frequency front-end reaches the low-noise amplifier (Low Noise Amplifier, LNA) of transceiver, require by one section
Match circuit, tester is used to match the input impedance of LNA by the impedance in debugging match circuit, so that radio frequency reception is electric
Road reaches best receiving sensitivity；And match circuit is usually the circuit of the L-type, T-type or the π type that are made of capacitor, inductance, is led to
The impedance of radio-frequency front-end is transformed to be suitble to the input impedance of LNA best operating condition by the principle for crossing impedance matching.
Fig. 1 is the structural schematic diagram one of match circuit in the prior art, as shown in Figure 1, matching in the prior art is electric
Road 11 can be the match circuit of single ended input, including inductance 1, inductance 2 and capacitor 1, specifically, the first end of inductance 1
It is connect with radio-frequency antenna with the first end of capacitor 1, the second end of capacitor 1 is respectively and in the first end of inductance 2, transceiver
LNA connection, the second end of inductance 1, the second end of inductance 2 are grounded respectively；Due to including multiple frequency ranges in mobile device, right
When each frequency range carries out the setting of match circuit, need tester to the inductance value of inductance 1, inductance 2 in match circuit, with
And the capacitance of capacitor 1 is debugged, specific debud mode is the new inductance and capacitor of replacement；The debugging of this debud mode
Low efficiency.
Fig. 2 is the structural schematic diagram two of match circuit in the prior art, as shown in Fig. 2, matching in the prior art is electric
Road can be the match circuit of Differential Input, including inductance 1, inductance 2 and capacitor 1, capacitor 2, specifically, the of inductance 1
The first end of one end and capacitor 1 is connect with radio-frequency antenna, the second end of inductance 1 and the first end ground connection of capacitor 2, capacitor 1
Second end is connect with the LNA in the first end of inductance 2, transceiver respectively, the second end of inductance 1 respectively with the second end of capacitor 2,
LNA connection in transceiver.There is the match circuit with above-mentioned single ended input in the match circuit of Differential Input in the prior art
Identical problem when matching.
The structural schematic diagram one of Fig. 3 radio-frequency match device provided by the invention, as shown in figure 3, provided in this embodiment penetrate
Frequency coalignment 10 may include: match circuit 11, transceiver 12 and processor 13.
In the present embodiment, the input terminal of match circuit 11 is connect with radio-frequency antenna, the output end of match circuit 11 and transmitting-receiving
Device 12 connects, and processor 13 is connect with transceiver 12, match circuit 11 respectively.Wherein, the signal that radio-frequency antenna receives passes through
It being input to after the matching of match circuit 11 in transceiver 12, the transceiver 12 in the present embodiment is integrally disposed LNA, specifically,
The signal that radio-frequency antenna receives is input in LNA after the matching of match circuit 11, the signal after LNA is handled, by
Transceiver 12 is exported.In the present embodiment, the signal that transceiver 12 exports is level signal, when the level that transceiver 12 exports
When signal reaches maximum value, the state of match circuit 11 reaches most preferably, correspondingly, being impedance-matched to for the frequency range is best, i.e., should
The signal that band antenna receives is in optimum state.
Processor 13 in the present embodiment, the level intensity of the signal for being exported according to transceiver 12, debugging matching electricity
The capacitance of tunable capacitor in road 11 and the inductance value of switched inductors.Wherein, be provided in match circuit 11 tunable capacitor and
Switched inductors, processor 13 is by the tunable capacitor and switched inductors in debugging match circuit 11, so that transceiver 12 exported
The level intensity of signal reaches maximum value level intensity, specifically, processor 13 debugs the specific of tunable capacitor and switched inductors
Mode can not do the connection type of driving circuit and control principle in the present embodiment to be carried out by corresponding driving circuit
It repeats.Wherein, maximum value level intensity can be the preset maximum value level intensity being stored in advance in processor 13.
The radio-frequency match device 10 provided in the present embodiment can carry out the corresponding match circuit 11 of each debugging frequency range
Debugging, obtains the setting value of tunable capacitor and switched inductors in the corresponding match circuit 11 of each debugging frequency range, and is corresponded to
Storage.When processor 13 gets the working frequency range that mobile device is currently at, match circuit 11 can be configured, be had
Body, adjustable electric in the corresponding match circuit 11 of the working frequency range is set by tunable capacitor and switched inductors in match circuit 11
Hold the setting value with switched inductors.So that the optimum reception shape of aerial signal can be reached for the working frequency range of mobile device
State.
The present embodiment provides a kind of radio-frequency match device, which includes: match circuit, transceiver and processing
Device；The input terminal of match circuit is connect with radio-frequency antenna, and the output end of match circuit is connect with transceiver, processor respectively with receipts
Send out device, match circuit connection；Processor, the level intensity of the signal for being exported according to transceiver debug match circuit.This reality
The level intensity for applying the signal that the processor that example provides is exported according to transceiver debugs match circuit, and debugging efficiency is high, further
, processor in the present embodiment can setting tunable capacitor in the corresponding match circuit of each debugging frequency range and switched inductors
It sets value to be stored, in corresponding working frequency range, sets the working frequency range for tunable capacitor in match circuit and switched inductors
The setting value of tunable capacitor and switched inductors in corresponding match circuit, can make the working frequency range for mobile device, energy
The best reception state for enough reaching aerial signal, solving a kind of set-up mode of match circuit in the prior art can only be used in
A kind of defect of working frequency points.
Due to the type of match circuit be it is a variety of, below with reference to Fig. 4 from match circuit be single ended input match circuit pair
Match circuit in radio-frequency match device provided by the invention is described in detail, and Fig. 4 is radio-frequency match provided by the invention dress
The structural schematic diagram two set, as shown in figure 4, match circuit provided in this embodiment 11 includes: first switch inductance, second switch
Inductance, the first tunable capacitor C1 and the second tunable capacitor C2.
Transceiver 12 in the present embodiment is single ended input transceiver, has a signal input part；Wherein, first switch
The first end of inductance is connect with radio-frequency antenna, the second end of first switch inductance respectively with the first end of second switch inductance,
The first end of one tunable capacitor C1 connects, the second end ground connection of second switch inductance, the second end difference of the first tunable capacitor C1
It is connect with the first end of the second tunable capacitor C2, transceiver 12, the second end ground connection of the second tunable capacitor C2.In the present embodiment
Tunable capacitor is transformation diode or capacitor array.
Specifically, processor 13 can pass through first switch inductance, the second switch inductance, the in debugging match circuit 11
One tunable capacitor C1 and the second tunable capacitor C2 realizes the debugging to match circuit 11, so that the letter that transceiver 12 exports
Number level intensity reach maximum value level intensity.Processor 13 debugs the first switch electricity in match circuit 11 in the present embodiment
Sense, second switch inductance, the first tunable capacitor C1 and the second tunable capacitor C2 mode can be with the mode phase in above-described embodiment
Together.
Correspondingly, the processor 13 in the present embodiment can be by first in the corresponding match circuit 11 of each debugging frequency range
Switched inductors, second switch inductance, the first tunable capacitor C1 and the second tunable capacitor C2 setting value stored；Work as processor
13 when getting current working frequency range, can be configured to match circuit 11, specifically, in match circuit 11 first is opened
Powered-down sense, second switch inductance, the first tunable capacitor C1 and the second tunable capacitor C2 inductance value and capacitance be set as the work
Make first switch inductance, second switch inductance, the first tunable capacitor C1 and the second adjustable electric in the corresponding match circuit 11 of frequency range
Hold the setting value of C2.So that the best reception state of aerial signal can be reached for the working frequency range of mobile device.
First switch inductance in the present embodiment includes the first inductance L1 and first switch S1, and second switch inductance includes the
Two inductance L2 and second switch S2；Wherein, the first end of the first inductance L1 respectively with the first end of first switch S1, radio-frequency antenna
Connection, the second end of the first inductance L1 respectively with the second end of first switch S1, the first end of the second inductance L2, the first adjustable electric
Hold the first end connection of C1, the second end of the second inductance L2 is connect with the first end of second switch S2, and the second of second switch S2
End ground connection.
Specifically, processor 13 is specific when debugging the first switch inductance in match circuit 11, second switch inductance
Mode is: the opening and closing of the first switch S1 in control first switch inductance, the second switch S2 in second switch inductance, and then controls
The inductance value of the second inductance L2 in the first inductance L1, second switch inductance in first switch inductance processed；Specifically, when switch
When switch state in inductance is in an open state, the inductance value of switched inductors is 0；When the switch state of switched inductors is closed form
When state, the inductance value of switched inductors is the default inductance value of inductance in switched inductors.
The match circuit provided in the present embodiment is single ended input match circuit, and one side processor is exported according to transceiver
The level intensity of signal debug match circuit, debugging efficiency is high；Another aspect processor can be corresponding by each debugging frequency range
Match circuit in first switch inductance, second switch inductance, the first tunable capacitor and the second tunable capacitor inductance value and electricity
Capacitance be set as first switch inductance in the corresponding match circuit of the working frequency range, second switch inductance, the first tunable capacitor and
The setting value of second tunable capacitor can make the working frequency range for mobile device, can reach most preferably connecing for aerial signal
Receipts state, a kind of defect of working frequency points can only be used in by solving a kind of set-up mode of match circuit in the prior art.
Below with reference to Fig. 5 from match circuit be Differential Input match circuit in radio-frequency match device provided by the invention
Match circuit is described in detail, and Fig. 5 is the structural schematic diagram three of radio-frequency match device 10 provided by the invention, as shown in figure 5,
Match circuit 11 provided in this embodiment includes: third switched inductors, the 4th switched inductors, the 5th switched inductors, third is adjustable
Capacitor C3, the 4th tunable capacitor C4 and the 5th tunable capacitor C5.
Transceiver 12 in the present embodiment is double-width grinding transceiver, and there are two signal input parts for tool；Wherein, third switchs
The first end of inductance is connect with radio-frequency antenna, the second end of third switched inductors respectively with the first end of the 4th switched inductors,
The first end of three tunable capacitor C3 connects, the second end of the 4th switched inductors respectively with the first end of the 5th switched inductors, the 5th
The first end of tunable capacitor C5 connects, the second end ground connection of the 5th switched inductors, the second end of third tunable capacitor C3 respectively with
The first input end connection of the first end of 4th tunable capacitor C4, transceiver 12, the second end of the 4th tunable capacitor C4 respectively with
The second end connection of the second input terminal, the 5th tunable capacitor C5 of transceiver 12.
Specifically, processor 13 can pass through third switched inductors, the 4th switched inductors, the in debugging match circuit 11
Five switched inductors, third tunable capacitor C3, the 4th tunable capacitor C4 and the 5th tunable capacitor C5 realize the tune to match circuit 11
Examination, so that the level intensity for the signal that transceiver 12 exports reaches maximum value level intensity.Processor 13 in the present embodiment
Debug third switched inductors, the 4th switched inductors, the 5th switched inductors, third tunable capacitor C3, the 4th in match circuit 11
The mode of tunable capacitor C4 and the 5th tunable capacitor C5 can be identical as the mode in above-described embodiment.
Correspondingly, the processor 13 in the present embodiment can be by the third in the corresponding match circuit 11 of each debugging frequency range
Switched inductors, the 4th switched inductors, the 5th switched inductors, third tunable capacitor C3, the 4th tunable capacitor C4 and the 5th adjustable electric
The setting value for holding C5 is stored；When processor 13 gets current working frequency range, match circuit 11 can be set
It sets, specifically, by third switched inductors, the 4th switched inductors, the 5th switched inductors, third tunable capacitor in match circuit 11
The inductance value and capacitance of C3, the 4th tunable capacitor C4 and the 5th tunable capacitor C5 are set as the corresponding matching electricity of the working frequency range
Third switched inductors in road 11, the 4th switched inductors, the 5th switched inductors, third tunable capacitor C3, the 4th tunable capacitor C4 and
The setting value of 5th tunable capacitor C5.So that the optimum reception of aerial signal can be reached for the working frequency range of mobile device
State.
Third switched inductors in the present embodiment include third inductance L3 and third switch S3, and the 4th switched inductors include the
Four inductance L4 and the 4th switch S4, the 5th switched inductors include the 5th inductance L5 and the 5th switch S5.
Wherein, the first end of third inductance L3 is connect with the first end of third switch S3, radio-frequency antenna respectively, third inductance
The second end of L3 respectively with the second end of third switch S3, the first end of the 4th inductance L4, the first end of third tunable capacitor C3
Connection, the second end of the 4th inductance L4 connect with the first end of the 4th switch S4, and the second end of the 4th switch S4 is respectively with the 5th
The first end of tunable capacitor C5, the first end of the 5th inductance L5, the connection of the first end of the 5th switch S5, the second of the 5th inductance L5
It holds, the second end of the 5th switch S5 is grounded respectively.
Specifically, third switched inductors, fourth switched inductors, fiveth switch of the processor 13 in debugging match circuit 11
Concrete mode when inductance is: third switch S3, the 4th switch S4 in the 4th switched inductors in control third switched inductors
With the opening and closing of the 5th switch S5 in the 5th switched inductors, and then controls the third inductance L3 in third switched inductors, the 4th opens
The inductance value of the 4th inductance L4 in powered-down sense and the inductance value of the 5th inductance L5 in the 5th switched inductors.
The match circuit provided in the present embodiment is Differential Input match circuit, and one side processor is exported according to transceiver
The level intensity of signal debug match circuit, debugging efficiency is high；Another aspect processor can be corresponding by each debugging frequency range
Match circuit in third switched inductors, the 4th switched inductors, the 5th switched inductors, third tunable capacitor, the 4th tunable capacitor
Third switched inductors, in the corresponding match circuit of the working frequency range are set as with the inductance value of the 5th tunable capacitor and capacitance
The setting value of four switched inductors, the 5th switched inductors, third tunable capacitor, the 4th tunable capacitor and the 5th tunable capacitor, can be with
So that the best reception state of aerial signal can be reached for the working frequency range of mobile device, solve in the prior art one
The set-up mode of kind match circuit can only be used in a kind of defect of working frequency points.
It is illustrated below with reference to adjustment method of the Fig. 6 to radio-frequency match device provided by the invention, the adjustment method
Executing subject is processor, and Fig. 6 is the flow diagram one of the adjustment method of radio-frequency match device provided by the invention, such as Fig. 6
Shown, adjustment method provided in this embodiment includes:
S101 obtains transceiver in the level intensity of the signal of debugging frequency range output.
Each debugging frequency range is debugged using radio-frequency match device provided by the above embodiment, specifically, processor
Obtain the level intensity for the signal that transceiver is exported in each debugging frequency range debugging.
S102, if the level intensity of signal is not up to predetermined level intensity, debugging match circuit transceiver is in debugging frequency range
The level intensity of the signal of output, so that the level intensity of the signal of transceiver output reaches predetermined level intensity, wherein radio frequency
The signal of antenna output is input to transceiver by match circuit.
When the level intensity of the corresponding signal of each debugging frequency range is not up to predetermined level intensity, processor debugging matching
Device circuit, so that the level intensity of the signal of the corresponding transceiver output of each debugging frequency range reaches predetermined level intensity, specifically
, which can be the maximum value of level intensity.
The adjustment method of the radio-frequency match device provided in the present embodiment can be realized the automatic debugging to match circuit.
On the basis of the above embodiments, adjustment method provided by the invention is described in detail below with reference to Fig. 7, is schemed
7 be the flow diagram two of the adjustment method of radio-frequency match device provided by the invention, as shown in fig. 7, provided in this embodiment
Adjustment method includes:
S201 obtains transceiver in the level intensity of the signal of debugging frequency range output.
S202 debugs the electricity of the tunable capacitor in match circuit if the level intensity of signal is not up to predetermined level intensity
The inductance value of capacitance and switched inductors, so that the level intensity of the signal of transceiver output reaches predetermined level intensity.
It wherein, include switch and inductance in switched inductors, processor is debugged by the opening and closing switched in control switch inductance
The inductance value of switched inductors in match circuit；Specifically, when the switch state in switched inductors is in an open state, switched inductors
Inductance value be 0；When the switch state of switched inductors is closed state, the inductance value of switched inductors is inductance in switched inductors
Default inductance value.
Illustratively, Fig. 8 is corresponding impedance circle schematic diagram in the debugging process of radio-frequency match device provided by the invention,
Specifically, being illustrated in the present embodiment according to the single ended input match circuit in Fig. 3, when processor does not match single ended input
When circuit is debugged, the impedance of corresponding radio-frequency match device received signal is at 1 in impedance circle；And work as processor
When controlling first switch opening, the inductance value that the inductance value of the first inductance in match circuit is is corresponding, and the impedance of signal is in resistance
In anti-circle 2 at；When processor adjusts the capacitance of the first tunable capacitor, corresponding, the impedance of signal is in 3 in impedance circle
Place；When processor adjust the second tunable capacitor capacitance, it is corresponding, in the impedance variations value impedance circle of signal 4 at, position
It is impedance the best of it of signal at 4.Radio-frequency match device provided in this embodiment, processor pass through debugging match circuit, so that
The signal received is in best reception state.
S203, it is corresponding when multiple debugging frequency ranges and the level intensity for the signal that transceiver exports are reached predetermined level intensity
Match circuit state stored.
In the present embodiment, processor debugs each level for debugging the signal that frequency range is exported with transceiver in frequency ranges for multiple
Intensity reaches the inductance value of the switch state of corresponding switched inductors, switched inductors when predetermined level intensity, and, tunable capacitor
Capacitance stored.
S204 obtains working frequency range, setting match circuit to corresponding match circuit state.
In the present embodiment, processor obtains working frequency range, passes through the switched inductors and tunable capacitor in setting match circuit
The extremely inductance value of the switch state of corresponding switched inductors, switched inductors, and, the capacitance of tunable capacitor, so that work frequency
Section can reach the best reception state of aerial signal.
The adjustment method of the radio-frequency match device provided in the present embodiment can be realized the automatic debugging to match circuit,
And enable to each working frequency range that can reach the best reception state of aerial signal.
In the embodiment of the above-mentioned network equipment or terminal device, it should be appreciated that processor can be central processing unit
(English: Central Processing Unit, referred to as: CPU), it can also be other general processors, digital signal processor
(English: Digital Signal Processor, abbreviation: DSP), specific integrated circuit (English: Application
Specific Integrated Circuit, referred to as: ASIC) etc..General processor can be microprocessor or the processor
It is also possible to any conventional processor etc..Hardware handles can be embodied directly in conjunction with the step of method disclosed in the present application
Device executes completion, or in processor hardware and software module combination execute completion.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of radio-frequency match device characterized by comprising match circuit, transceiver and processor；
The input terminal of the match circuit is connect with radio-frequency antenna, and the output end of the match circuit is connect with the transceiver,
The processor is connect with the transceiver, the match circuit respectively, includes tunable capacitor and switch in the match circuit
Inductance；
The processor, the level intensity of the signal for being exported according to the transceiver debug the institute in the match circuit
State the capacitance of tunable capacitor and the inductance value of the switched inductors.
2. the apparatus according to claim 1, which is characterized in that when the match circuit is single ended input match circuit,
The transceiver is single ended input transceiver, the match circuit include: first switch inductance, second switch inductance, first can
Adjust capacitor and the second tunable capacitor；
The first end of the first switch inductance is connect with the radio-frequency antenna, the second end of the first switch inductance respectively with
The first end of the second switch inductance, the connection of the first end of first tunable capacitor, the second of the second switch inductance
End ground connection, the second end of first tunable capacitor are connect with the first end of second tunable capacitor, the transceiver respectively,
The second end of second tunable capacitor is grounded.
3. the apparatus of claim 2, which is characterized in that the first switch inductance includes that the first inductance and first is opened
It closes, the second switch inductance includes the second inductance and second switch；
The first end of first inductance is connect with the first end of the first switch, the radio-frequency antenna respectively, and described first
The second end of inductance respectively with the second end of the first switch, the first end of second inductance, first tunable capacitor
First end connection, the second end of second inductance connect with the first end of the second switch, the of the second switch
Two ends ground connection.
4. the apparatus according to claim 1, which is characterized in that when the match circuit is Differential Input match circuit,
The transceiver is double-width grinding transceiver, and the match circuit includes: third switched inductors, the 4th switched inductors, the 5th opens
Powered-down sense, third tunable capacitor, the 4th tunable capacitor and the 5th tunable capacitor；
The first end of the third switched inductors is connect with the radio-frequency antenna, the second end of the third switched inductors respectively with
The first end of 4th switched inductors, the connection of the first end of the third tunable capacitor, the second of the 4th switched inductors
End is connect with the first end of the 5th switched inductors, the first end of the 5th tunable capacitor respectively, the 5th switch electricity
The second end of sense is grounded, the second end of third tunable capacitor first end, receipts with the 4th tunable capacitor respectively
Send out device first input end connection, the second end of the 4th tunable capacitor respectively with the second input terminal of the transceiver, institute
State the second end connection of the 5th tunable capacitor.
5. device according to claim 4, which is characterized in that the third switched inductors include that third inductance and third are opened
It closes, the 4th switched inductors include the 4th inductance and the 4th switch, and the 5th switched inductors include the 5th inductance and the 5th
Switch；
The first end of the third inductance is connect with the first end of third switch, the radio-frequency antenna respectively, the third
The second end of inductance respectively with the third switch second end, the first end of the 4th inductance, the third tunable capacitor
First end connection, the second end of the 4th inductance connect with the first end of the 4th switch, the described 4th switch the
Two ends respectively with the first end of the 5th tunable capacitor, the first end of the 5th inductance, it is described 5th switch first end
Connection, the second end of the 5th inductance, the second end of the 5th switch are grounded respectively.
6. device according to claim 1-5, which is characterized in that tunable capacitor is transformation diode or capacitor battle array
Column.
7. a kind of adjustment method of radio-frequency match device characterized by comprising
Transceiver is obtained in the level intensity of the signal of debugging frequency range output；
If the level intensity of the signal is not up to predetermined level intensity, debug the tunable capacitor in match circuit capacitance and
The inductance value of switched inductors, so that the level intensity of the signal of transceiver output reaches the predetermined level intensity；Wherein,
The signal of radio-frequency antenna output is input to the transceiver by match circuit.
8. adjustment method according to claim 7, which is characterized in that the method also includes:
When the level intensity of multiple debugging frequency ranges and the signal of transceiver output is reached the predetermined level intensity
Corresponding match circuit state is stored, the match circuit state be the match circuit in switched inductors inductance value and
The capacitance of tunable capacitor；
Working frequency range is obtained, the match circuit is set to corresponding match circuit state.
9. adjustment method according to claim 8, which is characterized in that debug the inductance of switched inductors in the match circuit
Value, comprising:
The opening and closing switched in the switched inductors is controlled, the inductance value of switched inductors described in the match circuit is adjusted；
It is strong that the level intensity of the signal that multiple debugging frequency ranges and the transceivers are exported reaches the predetermined level
Corresponding match circuit state is stored when spending, comprising:
When the level intensity of multiple debugging frequency ranges and the signal of transceiver output is reached the predetermined level intensity
The inductance value of the switch states of the switched inductors in corresponding match circuit, the switched inductors, and, the adjustable electric
The capacitance of appearance is stored.
10. adjustment method according to claim 9, which is characterized in that
When the switch state in the switched inductors is in an open state, the inductance value of the switched inductors is 0；
When the switch state of the switched inductors is closed state, the inductance value of the switched inductors is in the switched inductors
The inductance value of inductance.
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Effective date of registration: 20221212 Address after: 201203 1st floor, building 1, Lane 36, Xuelin Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 201203 Patentee after: SHANGHAI TRANSSION INFORMATION TECHNOLOGY Ltd. Address before: Room 922/926, Block A, No. 1, Lane 399, Shengxia Road, China (Shanghai) Pilot Free Trade Zone, Shanghai, 201203 Patentee before: SHANGHAI SPREADRISE COMMUNICATION TECHNOLOGY Ltd. |