CN104378166B - Electronic device and harmonic suppression method - Google Patents
Electronic device and harmonic suppression method Download PDFInfo
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- CN104378166B CN104378166B CN201410538217.8A CN201410538217A CN104378166B CN 104378166 B CN104378166 B CN 104378166B CN 201410538217 A CN201410538217 A CN 201410538217A CN 104378166 B CN104378166 B CN 104378166B
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Abstract
The invention discloses an electronic device and a harmonic suppression method. The electronic device is provided with a reconfigurable antenna unit. The reconfigurable antenna unit comprises, at least, a nonlinear switch, wherein the nonlinear switch is used for adjusting the resonance length of the reconfigurable antenna unit. The electronic device is further provided with harmonic suppression circuits connected to two ends of the nonlinear switch in parallel and used for suppressing harmonic waves.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of electronic equipment and harmonic suppressing method.
Background technology
In reconfigurable antenna, often utilize gate-controlled switch to adjust antenna length, and then change antenna resonance
Frequency, to change the working band of antenna.Described gate-controlled switch is common for nonlinear switchings such as diodes.As
Shown in Fig. 1, the oscillator of described reconfigurable antenna includes three parts, and is Part I 101, second respectively
Part 102 and Part III 103；Wherein, it is provided with between described Part I 101 and Part II 102
Diode 104；It is provided with diode 105 between described Part II 102 and described Part III 103.Pass through
Control described diode 104 and the conducting of diode 105 and cut-off, the effective length of antenna oscillator can be changed.
When described diode 104 turns on and described diode 105 ends, the effective length of described oscillator includes
Two parts 102 and Part I 101；When described diode 105 turns on and described diode 104 ends,
The effective length of described oscillator includes Part II 102 and Part III 103；When described diode 104 is led
When logical and described diode 105 turns on, the effective length of described oscillator includes Part I 101, second
Points 102 and Part III 103.
The oscillator length of antenna is one of factor determining aerial radiation wavelength, therefore can utilize a diode for
Adjust the resonant frequency of antenna.But the problem existed: diode is nonlinear switching, because it is non-linear
Characteristic can change the distribution of electric current on antenna oscillator, thus cause harmonic wave and cause mixing phenomenon.Practice card
Bright, harmonic wave will be caused after accessing the nonlinear switchings such as diode in antenna, especially triple-frequency harmonics (is i.e. formed
Frequency is the harmonic wave of the operating frequency 3 times of antenna).These harmonic waves can form influence of noise communication efficiency, causes
Communication quality is poor.
Summary of the invention
In view of this, embodiment of the present invention expectation provides a kind of electronic equipment and harmonic suppressing method, with suppression
The harmonic wave that non-switch element causes, reduces harmonic noise and improves communication quality.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
Embodiment of the present invention first aspect provides a kind of electronic equipment, and described electronic equipment is provided with restructural sky
Line unit；
It is described that described reconfigurable antenna unit at least includes that nonlinear switching, described nonlinear switching are used for adjusting
The resonance length of reconfigurable antenna unit；
Described electronic equipment is additionally provided with and is connected in parallel on described nonlinear switching two ends for suppressing the generation of harmonic wave
Harmonic suppression circuit；
Described harmonic suppression circuit includes capacitive part and inductance part；Described capacitive part at least includes one
Individual electric capacity；Described inductance part at least includes an inductance；Described capacitive part and described inductance sections in series
Or it is in parallel；
Described harmonic suppression circuit also includes control part；Described control part, respectively with described capacitive part
With described inductance department split-phase even；The described part that controls is for the operating frequency according to described reconfigurable antenna unit
Generate control signal, and utilize described control signal, adjust the described electric capacity being connected with described nonlinear switching
The capacitance of part and/or the inductance value of described inductance part；
Described capacitive part includes at least M electric capacity；M1 described electric capacity is positioned in m1 branch road；
Described M is the integer not less than 2；Described m1 is the positive integer of the most described M；Described capacitive part
Also include m2 the first controlled switch；Wherein, described m2 is the positive integer of the most described M；Described
M2 the first controlled switch lays respectively in branch road described in m2 bar；Described first controlled switch, for foundation
Control signal is turned on or off branch road described in described first controlled switch place.
Preferably,
Described inductance department divides and includes the most N number of inductance；
The n-th 1 described inductance are positioned in the n-th 1 branch roads；Described N is the integer not less than 2；Described n1
Positive integer for the most described N；
Described inductance part also includes n2 the second controlled switch；Wherein, described n2 is the most described N
Positive integer；
Described n2 the second controlled switch lays respectively in branch road described in n2 bar；
Described second controlled switch, for being turned on or off described second controlled switch place according to control signal
Described branch road.
Preferably,
Described harmonic suppression circuit is the triple-frequency harmonics suppression circuit for suppressing triple-frequency harmonics to produce.
Embodiment of the present invention second aspect provides a kind of harmonic suppressing method, is applied to include reconfigurable antenna list
In the electronic equipment of unit, described reconfigurable antenna unit includes nonlinear switching；Described nonlinear switching is used for
Adjust the resonance length of described reconfigurable antenna unit；Described method includes:
Utilize the generation of the harmonic suppression circuit suppression harmonic wave being connected in parallel on described nonlinear switching two ends；
Described harmonic suppression circuit includes capacitive part, inductance part and control part；Described capacitive part is extremely
Include an electric capacity less；Described inductance part at least includes an inductance component；Described capacitive part and described
Inductance part serial or parallel connection；Described utilization is connected in parallel on the harmonic suppression circuit at described nonlinear switching two ends and presses down
The generation of harmonic wave processed includes: described control part obtains the operating frequency of described reconfigurable antenna unit；Foundation
Described operating frequency generates control signal；Utilize described control signal, adjust and be connected with described nonlinear switching
The capacitance of described capacitive part and/or the inductance value of described inductance part, to suppress the generation of harmonic wave；
Described capacitive part includes at least M electric capacity；M1 described electric capacity is positioned in m1 branch road；
Described M is the integer not less than 2；Described m1 is the positive integer of the most described M；Described capacitive part
Also include m2 the first controlled switch；Wherein, described m2 is the positive integer of the most described M；Described
M2 the first controlled switch lays respectively in branch road described in m2 bar；Described utilize described control signal, adjust
The capacitance of described capacitive part includes: utilize described control signal, controls each respectively and described first is subject to
Being turned on or off of control switch.
Preferably,
Described inductance department divides and includes the most N number of inductance；
The n-th 1 described inductance are positioned in the n-th 1 branch roads；Described N is the integer not less than 2；Described n1
Positive integer for the most described N；
Described inductance part also includes n2 the second controlled switch；Wherein, described n2 is the most described N
Positive integer；
Described n2 the second controlled switch lays respectively in branch road described in n2 bar；
Described utilizing described control signal, the inductance value adjusting described inductance part includes:
Utilize described control signal, control being turned on or off of each described second controlled switch respectively.
Preferably,
Described utilization is connected in parallel on the generation bag of the harmonic suppression circuit suppression harmonic wave at described nonlinear switching two ends
Include:
Utilize the generation of the harmonic suppression circuit suppression triple-frequency harmonics being connected in parallel on described nonlinear switching two ends.
Electronic equipment described in the embodiment of the present invention and harmonic suppressing method, humorous by introducing in the electronic device
Ripple suppression circuit, it is possible to the harmonic wave that suppression nonlinear switching causes, it is possible to avoid the communication noise that harmonic wave causes
And interference, it is possible to increase the communication quality of electronic equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of reconfigurable antenna；
The structural representation of the first electronic equipment that Fig. 2 provides for the embodiment of the present invention；
The structural representation of the second electronic equipment that Fig. 3 provides for the embodiment of the present invention；
The structural representation of the third electronic equipment that Fig. 4 provides for the embodiment of the present invention；
The structural representation of the 4th kind of electronic equipment that Fig. 5 provides for the embodiment of the present invention；
The schematic flow sheet of the harmonic suppressing method that Fig. 6 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with Figure of description and specific embodiment technical scheme done and further explain in detail
State.
Apparatus embodiments one:
As in figure 2 it is shown, the present embodiment provides a kind of electronic equipment, described electronic equipment is provided with restructural sky
Line unit 110；
Described reconfigurable antenna unit 110 at least includes nonlinear switching 111, described nonlinear switching 111
For adjusting the resonance length of described reconfigurable antenna unit；
Described electronic equipment is additionally provided with and is connected in parallel on described nonlinear switching two ends for suppressing the generation of harmonic wave
Harmonic suppression circuit 120.
Described electronic equipment can be the Wireless Telecom Equipment such as mobile phone or panel computer.
Described reconfigurable antenna unit 110 is the antenna element including at least reconfigurable antenna；Described can
Reconfigurable antenna unit is the physical arrangement by changing antenna, adjusts antenna electric performance parameter, makes antenna
Can switch flexibly between multiple different mode of operations according to applied environment.Described nonlinear switching is concrete
Can be pin diode switch or EFT fet switch.Described pin diode switch and EFT
Field effect transistor all have employed semiconductor junction as structure, and semiconductor junction is nonlinear to the process of the signal of telecommunication.
Utilize described nonlinear switching by reconfigurable antenna in the described reconfigurable cell of adjustment in the present embodiment
Oscillator length adjust the resonance length of reconfigurable cell such that it is able to when making, reconfigurable cell is at multiple frequencies
Band realizes resonance, to increase communication bandwidth and communication efficiency.But nonlinear switching is incited somebody to action owing to it is non-linear
Cause that harmonic component occurs.Harmonic wave (harmonic wave), referring to frequency contained in electric current is base
The electricity of the integral multiple of ripple, is that periodic non-sine electricity carries out Fourier space decomposition, and remaining is more than base
The electricity that the electric current of wave frequency produces.
And the harmonic component in communication electronic equipment can not only reduce the transmitting efficiency of electronic equipment, simultaneously because of
Also will cause the noise that communicates for harmonic wave, thus overall communication efficiency will be reduced.
In order to solve the problems referred to above, the present embodiment introduces harmonic suppression circuit；Described harmonic suppression circuit
It it is the circuit structure including harmonics restraint element；Described harmonics restraint element includes wave filter or power compensator
Etc. having harmonic absorption or the electronic devices and components of suppression function.The structure of described harmonic suppression circuit specifically has very
Multiple, do not enumerate at this.
The described harmonic suppression circuit of concrete regulation is connected in parallel with described nonlinear switching in the present embodiment,
Relative to connecting of described harmonic suppression circuit and nonlinear switching, can avoid because harmonic suppression circuit introduces
The time delay of the nonlinear switching caused such that it is able to ensure the timely switching of nonlinear switching.
Summary, the electronic equipment described in the present embodiment is on the basis of existing electronic equipment, by drawing
Enter the harmonic suppression circuit in parallel with nonlinear switching, can not only be that electronic equipment is at different working bands
Realize resonance, while increasing bandwidth of operation and antenna efficiency, also by leading because of nonlinear switching
The harmonic wave caused, can improve antenna efficiency and communication quality further.
Apparatus embodiments two:
As in figure 2 it is shown, the present embodiment provides a kind of electronic equipment, described electronic equipment is provided with restructural sky
Line unit 110；
Described reconfigurable antenna unit 110 at least includes nonlinear switching 111, described nonlinear switching 111
For adjusting the resonance length of described reconfigurable antenna unit；
Described electronic equipment is additionally provided with and is connected in parallel on described nonlinear switching two ends for suppressing the generation of harmonic wave
Harmonic suppression circuit 120.
As it is shown on figure 3, described harmonic suppression circuit 120 includes capacitive part 121 and inductance part 122；
Described capacitive part 121 at least includes an electric capacity；Described inductance part 122 at least includes an electricity
Sense；
Described capacitive part 121 and described inductance part 122 serial or parallel connection.
The most described capacitive part 121 only includes an electric capacity；Described inductance part 122 only includes one
Individual inductance；And connect between described capacitive part 121 and described inductance part 122；When implementing,
Described capacitive part 121 can include multiple electric capacity；Described inductance part 122 can include a multiple inductance；Institute
State and between capacitive part 121 with described inductance part 122, be possible not only to all right parallel connection of connecting.
In figure 3, described electric capacity can be variable capacitance；Described inductance can be variable inductance；Nonlinear switching
The harmonic component caused is relevant to the operating frequency of reconfigurable antenna unit；The harmonic component of different frequencies needs
To be thered is provided different capacitances and inductance value to suppress by harmonic suppression circuit, therefore to select variable capacitance and variable
Inductance can play good harmonics restraint effect when described reconfigurable cell is operated in different frequency bands.
When implementing, electronic equipment just can predict the working band of electronic equipment before dispatching from the factory, according to electronics
The working band of equipment, when described nonlinear switching disconnects, described harmonic suppression circuit need not suppress harmonic wave,
Thus can also remain open, when described nonlinear switching turns on, can be according to the work frequency predicted
Band, may thereby determine that out the required capacitance provided of harmonic suppression circuit and inductance value, such that it is able to directly
Determine electric capacity in harmonic suppression circuit, the number of inductance and electric capacity and/or the connected mode of inductance；The most only
The harmonic suppression circuit only including an electric capacity and an inductance can play good harmonics restraint effect equally.
In the present embodiment, the most do not select wave filter or power compensator equal-volume relatively big and structure more
Complicated harmonics restraint element is as the harmonic suppression circuit in the electronic equipment described in the present embodiment, it is possible to letter
Change structure and reduce the volume of electronic equipment；But the volume of employing is little and can be easily integrated in electronic equipment
Electric capacity and inductance constitute described harmonic suppression circuit as harmonics restraint element, can not only well suppress humorous
The generation of ripple, moreover it is possible to keep that electronic equipment volume is little, simple in construction and the low advantage of cost price.
Apparatus embodiments three:
As in figure 2 it is shown, the present embodiment provides a kind of electronic equipment, described electronic equipment is provided with restructural sky
Line unit 110；
Described reconfigurable antenna unit 110 at least includes nonlinear switching 111, described nonlinear switching 111
For adjusting the resonance length of described reconfigurable antenna unit；
Described electronic equipment is additionally provided with and is connected in parallel on described nonlinear switching two ends for suppressing the generation of harmonic wave
Harmonic suppression circuit 120.
As it is shown on figure 3, described harmonic suppression circuit 120 includes capacitive part 121 and inductance part 122；
Described capacitive part 121 at least includes an electric capacity；Described inductance part 122 at least includes an electricity
Sense；
Described capacitive part 121 and described inductance part 122 serial or parallel connection.
As shown in Fig. 4 or Fig. 5, described harmonic suppression circuit 120 also includes controlling part 123；
Described control part 123, is connected with described capacitive part 121 and described inductance part 122 respectively；
Described control part 123 controls letter for generating according to the operating frequency of described reconfigurable antenna unit
Number, and utilize described control signal, adjust the electric capacity of the described capacitive part being connected with described nonlinear switching
Value and/or the inductance value of described inductance part.
In the diagram, described capacitive part 121 is connected with described inductance part 122, and described capacitive part
121 include at least two electric capacity；Described inductance part 122 includes at least two inductance 122.
In Figure 5, described capacitive part 121 is in parallel with described inductance part 122, and described capacitive part
121 include at least two electric capacity；Described inductance part 122 includes at least two inductance 122.
The structure that described control part 123 is concrete can include processing chip or processor etc.；Described process chip
Or processor can be the chip of special control harmonics restraint, it is also possible to be to tie with other functions in electronic equipment
The process chip of structure multiplexing or processor, concrete such as the central processor CPU etc. with display multiplexing.
Described control signal can the arbitrary signal of telecommunication of described control part 123 output, specifically such as voltage or
Electric current etc..
The present embodiment on the basis of a upper embodiment, by introduce control part 123 can basis flexibly
The current operating band of electronic equipment, controls capacitance and the inductance of inductance part 122 of capacitive part 121
Value, so that harmonic suppression circuit 120 can well play harmonics restraint effect at different working bands；
And there is the advantage that controllability is strong.
Apparatus embodiments four:
As in figure 2 it is shown, the present embodiment provides a kind of electronic equipment, described electronic equipment is provided with restructural sky
Line unit 110；
Described reconfigurable antenna unit 110 at least includes nonlinear switching 111, described nonlinear switching 111
For adjusting the resonance length of described reconfigurable antenna unit；
Described electronic equipment is additionally provided with and is connected in parallel on described nonlinear switching two ends for suppressing the generation of harmonic wave
Harmonic suppression circuit 120.
As it is shown on figure 3, described harmonic suppression circuit 120 includes capacitive part 121 and inductance part 122；
Described capacitive part 121 at least includes an electric capacity；Described inductance part 122 at least includes an electricity
Sense；
Described capacitive part 121 and described inductance part 122 serial or parallel connection.
As shown in Fig. 4 or Fig. 5, described harmonic suppression circuit 120 also includes controlling part 123；
Described control part 123, connects with described capacitive part and described inductance department split-phase respectively；
Described control part 123 controls letter for generating according to the operating frequency of described reconfigurable antenna unit
Number, and utilize described control signal, adjust the described capacitive part capacitance being connected with described nonlinear switching
And/or the inductance value of described inductance part.
As shown in Fig. 4 or Fig. 5, described capacitive part 121 includes at least M electric capacity；
M1 described electric capacity is positioned in m1 branch road；Described M is the integer not less than 2；Described m1
Positive integer for the most described M；
Described capacitive part 121 also includes m2 the first controlled switch；Wherein, described m2 is no more than institute
State the positive integer of M；
Described m2 the first controlled switch lays respectively in branch road described in m2 bar；
Described first controlled switch, for being turned on or off described first controlled switch place according to control signal
Described branch road.
Described first controlled switch specifically can be with the structure such as audion or transistor；Described first controlled switch can
Including controlling end and two controlled ends；Said two controlled end is connected in described branch road, described controlled end
It is connected with the described part that controls, is used for receiving control signal, and is turned on or off under the effect of control signal
Described branch road.
A described branch road includes an electric capacity in the present embodiment, controls part 123 to any two branch roads
In the control of electric capacity, can not interfere with each other.When implementing, a branch road can include multiple electricity
Holding, a branch road only includes an electric capacity in the present embodiment, it is possible to achieve the control to single electric capacity, from
And controlling is strong, control motility big.
In the present embodiment as described m2=M, the most described control part can individually control each branch road
With each electric capacity；When described m2 is less than described M, the most described harmonic suppression circuit there is partition capacitance
Suppress in parallel with described nonlinear switching.
During concrete implementation, the most described control part 123 is to described capacitive part 121
Overall control a, it is also possible to switch is set on the upstream end or outfan of described capacitive part, so controls
Part 123 processed by the described switch that is turned on or off, can control the overall disconnection of described capacitive part 121
Or conducting；Conducting and the disconnection of each bar branch road is controlled again by the first controlled switch in branch road.
Apparatus embodiments five:
As in figure 2 it is shown, the present embodiment provides a kind of electronic equipment, described electronic equipment is provided with restructural sky
Line unit 110；
Described reconfigurable antenna unit 110 at least includes nonlinear switching 111, described nonlinear switching 111
For adjusting the resonance length of described reconfigurable antenna unit；
Described electronic equipment is additionally provided with and is connected in parallel on described nonlinear switching two ends for suppressing the generation of harmonic wave
Harmonic suppression circuit 120.
As it is shown on figure 3, described harmonic suppression circuit 120 includes capacitive part 121 and inductance part 122；
Described capacitive part 121 at least includes an electric capacity；Described inductance part 122 at least includes an electricity
Sense；
Described capacitive part 121 and described inductance part 122 serial or parallel connection.
As shown in Fig. 4 or Fig. 5, described harmonic suppression circuit 120 also includes controlling part 123；
Described control part 123, connects with described capacitive part and described inductance department split-phase respectively；
Described control part 123 controls letter for generating according to the operating frequency of described reconfigurable antenna unit
Number, and utilize described control signal, adjust the electric capacity of the described capacitive part being connected with described nonlinear switching
Value and/or the inductance value of described inductance part.
As shown in Fig. 4 or Fig. 5, described inductance part 122 includes the most N number of inductance；
The n-th 1 described inductance are positioned in the n-th 1 branch roads；Described N is the integer not less than 2；Described n1
Positive integer for the most described N；
Described inductance part 122 also includes n2 the second controlled switch；Wherein, described n2 is no more than institute
State the positive integer of N；
Described n2 the second controlled switch lays respectively in branch road described in n2 bar；
Described second controlled switch, for being turned on or off described second controlled switch place according to control signal
Described branch road.
The concrete structure of described second controlled switch can be similar to described first controlled switch, and concrete is detailed
Describe the corresponding part that may refer to an embodiment, be just not repeated at this.
A described branch road includes an inductance in the present embodiment, controls part 123 to any two branch roads
In the control of inductance, can not interfere with each other.When implementing, a branch road can include multiple electricity
Sense, a branch road only includes an inductance in the present embodiment, it is possible to achieve the control to single inductance, from
And controlling is strong, control motility big.
In the present embodiment as described n2=N, the most described control part can individually control each branch road
With each inductance；When described n2 is less than described N, the most described harmonic suppression circuit always has partial inductance
Suppress in parallel with described nonlinear switching.
During concrete implementation, the most described control part 123 is to described inductance part 122
Overall control a, it is also possible to switch is set on the upstream end or outfan of described inductance part, so controls
Part processed can be controlled the overall of described inductance part 122 and disconnected by the described switch that is turned on or off or lead
Logical；Conducting and the disconnection of each bar branch road is controlled again by the second controlled switch in branch road.
Apparatus embodiments six:
As in figure 2 it is shown, the present embodiment provides a kind of electronic equipment, described electronic equipment is provided with restructural sky
Line unit 110；
Described reconfigurable antenna unit 110 at least includes nonlinear switching 111, described nonlinear switching 111
For adjusting the resonance length of described reconfigurable antenna unit；
Described electronic equipment is additionally provided with and is connected in parallel on described nonlinear switching two ends for suppressing the generation of harmonic wave
Harmonic suppression circuit 120.
As it is shown on figure 3, described harmonic suppression circuit 120 includes capacitive part 121 and inductance part 122；
Described capacitive part 121 at least includes an electric capacity；Described inductance part 122 at least includes an electricity
Sense；
Described capacitive part 121 and described inductance part 122 serial or parallel connection.
Described harmonic suppression circuit 120 is the triple-frequency harmonics suppression circuit for suppressing triple-frequency harmonics to produce.
The most described harmonic suppression circuit 120 can suppress three that described nonlinear switching produces
One or more harmonic waves such as subharmonic and quintuple harmonics；And when implementing, third-harmonic component is maximum,
Communication Jamming is maximum, in the present embodiment in order to simplify the structure of described harmonic suppression circuit, by described harmonic wave
Suppression circuit is defined to triple-frequency harmonics suppression circuit.
In sum, present embodiments provide a kind of electronic equipment, introduce in parallel with nonlinear switching humorous
The harmonic wave that ripple suppression circuit causes because of nonlinear switching with suppression, it is possible to increase the communication quality of electronic equipment.
Embodiment of the method one:
The present embodiment provides a kind of harmonic suppressing method, is applied to as shown in Figures 2 to 5, including weighing
In the electronic equipment of structure antenna element 110, described electronic equipment is preferably the channel radio such as mobile phone or panel computer
Reconfigurable antenna unit 110 described in letter electronic equipment includes nonlinear switching 111；Described nonlinear switching 111
For adjusting the resonance length of described reconfigurable antenna unit 110；Described method includes: utilizes and is connected in parallel on institute
The harmonic suppression circuit 120 stating nonlinear switching 111 two ends suppresses the generation of harmonic wave.
In the present embodiment, it is connected in parallel on described nonlinear switching 111 two ends by harmonic suppression circuit 120
Suppression harmonic wave, not only ensures that described nonlinear switching 111 adjusts described reconfigurable antenna unit 110 in time
Resonance length, can also suppress harmonic wave simultaneously, the problem alleviating the communication noise that harmonic wave causes.
It is real that the concrete structure of described reconfigurable antenna unit 110 and harmonic suppression circuit 120 may refer to equipment
Execute example one to apparatus embodiments six, be just not repeated at this.
Embodiment of the method two:
The present embodiment provides a kind of harmonic suppressing method, is applied to as shown in Figures 2 to 5, including weighing
In the electronic equipment of structure antenna element 110, described electronic equipment is preferably the channel radio such as mobile phone or panel computer
Reconfigurable antenna unit 110 described in letter electronic equipment includes nonlinear switching 111；Described nonlinear switching 111
For adjusting the resonance length of described reconfigurable antenna unit 110；Described method includes: utilizes and is connected in parallel on institute
The harmonic suppression circuit 120 stating nonlinear switching 111 two ends suppresses the generation of harmonic wave.
As shown in Figures 3 to 5, described harmonic suppression circuit 120 includes capacitive part 121, inductance part
122 and control part 123；
Described capacitive part 121 at least includes an electric capacity；Described inductance part 122 at least includes an electricity
Sense parts；Described capacitive part 121 and described inductance part 122 serial or parallel connection；
Described utilization is connected in parallel on the generation bag of the harmonic suppression circuit suppression harmonic wave at described nonlinear switching two ends
Include:
Step S110: described control part obtains the operating frequency of described reconfigurable antenna unit；
Step S120: generate control signal according to described operating frequency；
Step S130: utilize described control signal, adjusts the described capacitance part being connected with described nonlinear switching
The capacitance divided and/or the inductance value of described inductance part, to suppress the generation of harmonic wave.
The operating frequency of described reconfigurable antenna unit 110 is different, then the frequency of the harmonic wave produced is different；No
Same harmonic wave needs to be provided different capacitances and inductance value to suppress by described harmonic suppression circuit.?
Control part 123 described in embodiment, first obtain the operating frequency of described reconfigurable antenna unit；Then
Generating control signal according to described control operating frequency, wherein, described control signal can control described harmonic wave
Capacitance that suppression circuit is in parallel with described nonlinear switching and inductance value；Recycle described control signal to control
Capacitance that described harmonic suppression circuit is in parallel with described nonlinear switching and inductance value, have control easy
Advantage.
Embodiment of the method three:
The present embodiment provides a kind of harmonic suppressing method, is applied to as shown in Figures 2 to 5, including weighing
In the electronic equipment of structure antenna element 110, described electronic equipment is preferably the channel radio such as mobile phone or panel computer
Reconfigurable antenna unit 110 described in letter electronic equipment includes nonlinear switching 111；Described nonlinear switching 111
For adjusting the resonance length of described reconfigurable antenna unit 110；Described method includes: utilizes and is connected in parallel on institute
The harmonic suppression circuit 120 stating nonlinear switching 111 two ends suppresses the generation of harmonic wave.
As shown in Figures 3 to 5, described harmonic suppression circuit 120 includes capacitive part 121, inductance part
122 and control part 123；
Described capacitive part 121 at least includes an electric capacity；Described inductance part 122 at least includes an electricity
Sense parts；Described capacitive part 121 and described inductance part 122 serial or parallel connection；
Described utilization is connected in parallel on the generation bag of the harmonic suppression circuit suppression harmonic wave at described nonlinear switching two ends
Include:
Step S110: described control part obtains the operating frequency of described reconfigurable antenna unit；
Step S120: generate control signal according to described operating frequency；
Step S130: utilize described control signal, adjusts the described capacitance part being connected with described nonlinear switching
Divide capacitance and/or the inductance value of described inductance part, to suppress the generation of harmonic wave.
As shown in Fig. 4 or Fig. 5, described capacitive part 121 includes at least M electric capacity；
M1 described electric capacity is positioned in m1 branch road；Described M is the integer not less than 2；Described m1
Positive integer for the most described M；
Described capacitive part also includes m2 the first controlled switch；Wherein, described m2 is the most described M
Positive integer；
Described m2 the first controlled switch lays respectively in branch road described in m2 bar；
Described step S130 includes:
Utilize described control signal, control being turned on or off of each described first controlled switch respectively.
The concrete structure of described first controlled switch can be found in the apparatus embodiments of correspondence, is not repeated at this,
Described control part 123 can be passed through to input described control signal to the control end of described first controlled switch,
Control being turned on or off between the controlled components of described first controlled switch, and then control described branch road
It is turned on or off.
Only it is provided with an electric capacity in the present embodiment on a branch road, and first controlled switch is only arranged
In a branch road, facilitate described control part 123 to each electric capacity or the independent control of each branch road
System, has the advantage that controllability is strong and control flexibility ratio is high.
Embodiment of the method four:
The present embodiment provides a kind of harmonic suppressing method, is applied to as shown in Figures 2 to 5, including weighing
In the electronic equipment of structure antenna element 110, described electronic equipment is preferably the channel radio such as mobile phone or panel computer
Reconfigurable antenna unit 110 described in letter electronic equipment includes nonlinear switching 111；Described nonlinear switching 111
For adjusting the resonance length of described reconfigurable antenna unit 110；Described method includes: utilizes and is connected in parallel on institute
The harmonic suppression circuit 120 stating nonlinear switching 111 two ends suppresses the generation of harmonic wave.
As shown in Figures 3 to 5, described harmonic suppression circuit 120 includes capacitive part 121, inductance part
122 and control part 123；
Described capacitive part 121 at least includes an electric capacity；Described inductance part 122 at least includes an electricity
Sense parts；Described capacitive part 121 and described inductance part 122 serial or parallel connection；
Described utilization is connected in parallel on the generation bag of the harmonic suppression circuit suppression harmonic wave at described nonlinear switching two ends
Include:
Step S110: described control part obtains the operating frequency of described reconfigurable antenna unit；
Step S120: generate control signal according to described operating frequency；
Step S130: utilize described control signal, adjusts the described capacitance part being connected with described nonlinear switching
Divide capacitance and/or the inductance value of described inductance part, to suppress the generation of harmonic wave.
As shown in Fig. 4 or Fig. 5, described inductance part 122 includes the most N number of inductance；
The n-th 1 described inductance are positioned in the n-th 1 branch roads；Described N is the integer not less than 2；Described n1
Positive integer for the most described N；
Described inductance part also includes n2 the second controlled switch；Wherein, described n2 is the most described N
Positive integer；
Described n2 the second controlled switch lays respectively in branch road described in n2 bar；
Described step S130 includes:
Utilize described control signal, control being turned on or off of each described second controlled switch respectively.
The concrete structure of described second controlled switch can be similar with described first controlled switch, described control part
The control of 123 pairs of described second controlled switch is also similar to described first controlled switch, is the most just not repeated
?；Same described control part 123 can individually control each described controlled inductance and branch road,
Same has the advantage that controllability is strong and control flexibility ratio is high.
During concrete implementation, the described part that controls can also be by controlling described capacitive part and/or electricity
The main switch of sense part, control harmonic suppression circuit whether with the connection of described reconfigurable cell.
Embodiment of the method five:
The present embodiment provides a kind of harmonic suppressing method, is applied to as shown in Figures 2 to 5, including weighing
In the electronic equipment of structure antenna element 110, described electronic equipment is preferably the channel radio such as mobile phone or panel computer
Reconfigurable antenna unit 110 described in letter electronic equipment includes nonlinear switching 111；Described nonlinear switching 111
For adjusting the resonance length of described reconfigurable antenna unit 110；Described method includes: utilizes and is connected in parallel on institute
The harmonic suppression circuit 120 stating nonlinear switching 111 two ends suppresses the generation of harmonic wave.
Described utilization is connected in parallel on the generation bag of the harmonic suppression circuit suppression harmonic wave at described nonlinear switching two ends
Include: utilize the generation of the harmonic suppression circuit suppression triple-frequency harmonics being connected in parallel on described nonlinear switching two ends.
During concrete implementation, the harmonic wave caused because of the introducing of described nonlinear switching in electronic equipment has
The harmonic waves such as triple-frequency harmonics, quintuple harmonics and the seventh harmonic；Can be by adjusting described harmonic suppression circuit and institute
State the connection of nonlinear switching, suppress one or more harmonic waves therein；Owing to triple-frequency harmonics is to electronic equipment
Communication Jamming the most serious, simultaneously in order to simplify the structure of harmonic suppression circuit, the present embodiment mainly presses down
Triple-frequency harmonics processed.
In several embodiments provided herein, it should be understood that disclosed equipment and method,
Can realize by another way.Apparatus embodiments described above is only schematically, such as,
The division of described unit, is only a kind of logic function and divides, and actual can have other division when realizing
Mode, such as: multiple unit or assembly can be in conjunction with, or are desirably integrated into another system, or some are special
Levy and can ignore, or do not perform.It addition, the coupling each other of shown or discussed each ingredient,
Or direct-coupling or communication connection can be the INDIRECT COUPLING by some interfaces, equipment or unit or logical
Letter connect, can be electrical, machinery or other form.
The above-mentioned unit illustrated as separating component can be or may not be physically separate, makees
The parts shown for unit can be or may not be physical location, i.e. may be located at a place,
Can also be distributed on multiple NE；Can select according to the actual needs therein partly or entirely
Unit realizes the purpose of the present embodiment scheme.
It addition, each functional unit in various embodiments of the present invention can be fully integrated into a processing module
In, it is also possible to it is that each unit is individually as a unit, it is also possible to two or more unit collection
Become in a unit；Above-mentioned integrated unit both can realize to use the form of hardware, it would however also be possible to employ
Hardware adds the form of SFU software functional unit and realizes.
One of ordinary skill in the art will appreciate that: realize all or part of step of said method embodiment
Can be completed by the hardware that programmed instruction is relevant, aforesaid program can be stored in a computer-readable
Taking in storage medium, this program upon execution, performs to include the step of said method embodiment；And it is aforementioned
Storage medium include: movable storage device, read only memory (ROM, Read-Only Memory),
Random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various
The medium of program code can be stored.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited to
In this, any those familiar with the art, can be easily in the technical scope that the invention discloses
Expect change or replace, all should contain within protection scope of the present invention.Therefore, the protection of the present invention
Scope should be as the criterion with described scope of the claims.
Claims (6)
1. an electronic equipment, described electronic equipment is provided with reconfigurable antenna unit；
It is described that described reconfigurable antenna unit at least includes that nonlinear switching, described nonlinear switching are used for adjusting
The resonance length of reconfigurable antenna unit；
Described electronic equipment is additionally provided with and is connected in parallel on described nonlinear switching two ends for suppressing the generation of harmonic wave
Harmonic suppression circuit；
Described harmonic suppression circuit includes capacitive part and inductance part；Described capacitive part at least includes one
Individual electric capacity；Described inductance part at least includes an inductance；Described capacitive part and described inductance sections in series
Or it is in parallel；
Described harmonic suppression circuit also includes control part；Described control part, respectively with described capacitive part
With described inductance department split-phase even；The described part that controls is for the operating frequency according to described reconfigurable antenna unit
Generate control signal, and utilize described control signal, adjust the described electric capacity being connected with described nonlinear switching
The capacitance of part and/or the inductance value of described inductance part；
Described capacitive part includes at least M electric capacity；M1 described electric capacity is positioned in m1 branch road；
Described M is the integer not less than 2；Described m1 is the positive integer of the most described M；Described capacitive part
Also include m2 the first controlled switch；Wherein, described m2 is the positive integer of the most described M；Described
M2 the first controlled switch lays respectively in branch road described in m2 bar；Described first controlled switch, for foundation
Control signal is turned on or off branch road described in described first controlled switch place.
Electronic equipment the most according to claim 1, it is characterised in that
Described inductance department divides and includes the most N number of inductance；
The n-th 1 described inductance are positioned in the n-th 1 branch roads；Described N is the integer not less than 2；Described n1
Positive integer for the most described N；
Described inductance part also includes n2 the second controlled switch；Wherein, described n2 is the most described N
Positive integer；
Described n2 the second controlled switch lays respectively in branch road described in n2 bar；
Described second controlled switch, for being turned on or off described second controlled switch place according to control signal
Described branch road.
Electronic equipment the most according to claim 1, it is characterised in that
Described harmonic suppression circuit is the triple-frequency harmonics suppression circuit for suppressing triple-frequency harmonics to produce.
4. a harmonic suppressing method, is applied to include in the electronic equipment of reconfigurable antenna unit, described can
Reconfigurable antenna unit includes nonlinear switching；Described nonlinear switching is used for adjusting described reconfigurable antenna unit
Resonance length；Described method includes:
Utilize the generation of the harmonic suppression circuit suppression harmonic wave being connected in parallel on described nonlinear switching two ends；
Described harmonic suppression circuit includes capacitive part, inductance part and control part；
Described capacitive part at least includes an electric capacity；Described inductance part at least includes an inductance component；
Described capacitive part and described inductance part serial or parallel connection；Described utilization is connected in parallel on described nonlinear switching two
The generation of the harmonic suppression circuit suppression harmonic wave of end includes: described control part obtains described reconfigurable antenna list
The operating frequency of unit；Control signal is generated according to described operating frequency；Utilize described control signal, adjust with
The capacitance of the described capacitive part that described nonlinear switching connects and/or the inductance value of described inductance part, with
The generation of suppression harmonic wave；
Described capacitive part includes at least M electric capacity；M1 described electric capacity is positioned in m1 branch road；
Described M is the integer not less than 2；Described m1 is the positive integer of the most described M；Described capacitive part
Also include m2 the first controlled switch；Wherein, described m2 is the positive integer of the most described M；Described
M2 the first controlled switch lays respectively in branch road described in m2 bar；
Described utilizing described control signal, the capacitance adjusting described capacitive part includes: utilize described control
Signal, controls being turned on or off of each described first controlled switch respectively.
Method the most according to claim 4, it is characterised in that
Described inductance department divides and includes the most N number of inductance；
The n-th 1 described inductance are positioned in the n-th 1 branch roads；Described N is the integer not less than 2；Described n1
Positive integer for the most described N；
Described inductance part also includes n2 the second controlled switch；Wherein, described n2 is the most described N
Positive integer；
Described n2 the second controlled switch lays respectively in branch road described in n2 bar；
Described utilizing described control signal, the inductance value adjusting described inductance part includes:
Utilize described control signal, control being turned on or off of each described second controlled switch respectively.
Method the most according to claim 4, it is characterised in that
Described utilization is connected in parallel on the generation bag of the harmonic suppression circuit suppression harmonic wave at described nonlinear switching two ends
Include:
Utilize the generation of the harmonic suppression circuit suppression triple-frequency harmonics being connected in parallel on described nonlinear switching two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410538217.8A CN104378166B (en) | 2014-10-13 | 2014-10-13 | Electronic device and harmonic suppression method |
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| CN201410538217.8A CN104378166B (en) | 2014-10-13 | 2014-10-13 | Electronic device and harmonic suppression method |
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| CN104378166A CN104378166A (en) | 2015-02-25 |
| CN104378166B true CN104378166B (en) | 2017-01-11 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108377139B (en) * | 2018-01-30 | 2021-09-14 | Oppo广东移动通信有限公司 | Electronic device |
| CN108418593B (en) * | 2018-01-30 | 2020-12-29 | Oppo广东移动通信有限公司 | Harmonic suppression device and electronic device |
| CN113161339B (en) * | 2020-12-22 | 2023-02-28 | 国网河北省电力有限公司雄安新区供电公司 | Chip and control method implemented based on chip |
| CN114362772B (en) * | 2022-03-07 | 2022-06-17 | 佛山市联动科技股份有限公司 | Harmonic suppression circuit and radio frequency ATE (automatic test equipment) tester |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130229316A1 (en) * | 2012-02-17 | 2013-09-05 | Skycross, Inc. | Method and apparatus for controlling an antenna |
| US20140015729A1 (en) * | 2011-06-08 | 2014-01-16 | Panasonic Corporation | Antenna device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140015729A1 (en) * | 2011-06-08 | 2014-01-16 | Panasonic Corporation | Antenna device |
| US20130229316A1 (en) * | 2012-02-17 | 2013-09-05 | Skycross, Inc. | Method and apparatus for controlling an antenna |
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