CN104378166A - Electronic device and harmonic suppression method - Google Patents
Electronic device and harmonic suppression method Download PDFInfo
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- CN104378166A CN104378166A CN201410538217.8A CN201410538217A CN104378166A CN 104378166 A CN104378166 A CN 104378166A CN 201410538217 A CN201410538217 A CN 201410538217A CN 104378166 A CN104378166 A CN 104378166A
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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 the resonance frequency of antenna, to change the working band of antenna.Described gate-controlled switch is common is the nonlinear switchings such as diode.As shown in Figure 1, the oscillator of described reconfigurable antenna comprises three parts, and is Part I 101, Part II 102 and Part III 103 respectively; Wherein, diode 104 is provided with between described Part I 101 and Part II 102; Diode 105 is provided with between described Part II 102 and described Part III 103.By controlling conducting and the cut-off of described diode 104 and diode 105, the effective length of antenna oscillator can be changed.When the conducting of described diode 104 and described diode 105 ends time, the effective length of described oscillator comprises Part II 102 and Part I 101; When the conducting of described diode 105 and described diode 104 ends time, the effective length of described oscillator comprises Part II 102 and Part III 103; When the conducting of described diode 104 and described diode 105 conducting time, the effective length of described oscillator comprises Part I 101, Part II 102 and Part III 103.
The oscillator length of antenna is one of factor determining aerial radiation wavelength, therefore diode can be utilized to adjust the resonance frequency of antenna.But Problems existing: diode is nonlinear switching, because its nonlinear characteristic can change the distribution of electric current on antenna oscillator, thus causes harmonic wave and causes mixing phenomenon.Facts have proved, after accessing the nonlinear switchings such as diode in antenna, harmonic wave will be caused, especially triple-frequency harmonics (namely forming frequency is the harmonic wave of the operating frequency 3 times of antenna).These harmonic waves can form noise effect communication efficiency, cause communication quality poor.
Summary of the invention
In view of this, the embodiment of the present invention is expected to provide a kind of electronic equipment and harmonic suppressing method, with the harmonic wave suppressing non-switch element to cause, reduces harmonic noise and improves communication quality.
For achieving the above object, technical scheme of the present invention is achieved in that
Embodiment of the present invention first aspect provides a kind of electronic equipment, and described electronic equipment is provided with reconfigurable antenna unit;
Described reconfigurable antenna unit at least comprises nonlinear switching, and described nonlinear switching is for adjusting the resonance length of described reconfigurable antenna unit;
Described electronic equipment is also provided with and is connected in parallel on the harmonic suppression circuit of described nonlinear switching two ends for the generation of harmonic inhabitation.
Preferably,
Described harmonic suppression circuit comprises capacitive part and inductive part;
Described capacitive part at least comprises an electric capacity; Described inductive part at least comprises an inductance;
Described capacitive part and described inductive part serial or parallel connection.
Preferably,
Described harmonic suppression circuit also comprises control section;
Described control section, is connected with described inductive part with described capacitive part respectively;
Described control section is used for generating control signal according to the operating frequency of described reconfigurable antenna unit, and utilizes described control signal, adjusts the inductance value of described capacitive part capacitance and/or the described inductive part be connected with described nonlinear switching.
Preferably,
Described capacitive part comprises at least M electric capacity;
M1 described electric capacity is arranged in m1 branch road; Described M be not less than 2 integer; Described m1 is the positive integer being not more than described M;
Described capacitive part also comprises m2 the first controlled switch; Wherein, described m2 is the positive integer being not more than described M;
Described m2 the first controlled switch lays respectively in branch road described in m2 bar;
Described first controlled switch, for the branch road described in described first controlled switch place that is turned on or off according to control signal.
Preferably,
Described inductive part comprises at least N number of inductance;
The n-th 1 described inductance are arranged in the n-th 1 branch roads; Described N be not less than 2 integer; Described n1 is the positive integer being not more than described M;
Described inductive part also comprises n2 the second controlled switch; Wherein, described n2 is the positive integer being not more than described N;
Described n2 the second controlled switch lays respectively in branch road described in n2 bar;
Described second controlled switch, for the branch road described in described second controlled switch place that is turned on or off according to control signal.
Preferably,
Described harmonic suppression circuit is for suppressing the triple-frequency harmonics of THIRD-HARMONIC GENERATION to suppress circuit.
Embodiment of the present invention second aspect provides a kind of harmonic suppressing method, is applied in the electronic equipment comprising reconfigurable antenna unit, and described reconfigurable antenna unit comprises nonlinear switching; Described nonlinear switching is for adjusting the resonance length of described reconfigurable antenna unit; Described method comprises:
Utilize the generation being connected in parallel on the harmonic suppression circuit harmonic inhabitation at described nonlinear switching two ends.
Preferably,
Described harmonic suppression circuit comprises capacitive part, inductive part and control section;
Described capacitive part at least comprises an electric capacity; Described inductive part at least comprises an inductance component; Described capacitive part and described inductive part serial or parallel connection;
The generation that described utilization is connected in parallel on the harmonic suppression circuit harmonic inhabitation at described nonlinear switching two ends comprises:
Described control section obtains the operating frequency of described reconfigurable antenna unit;
Control signal is generated according to described operating frequency;
Utilize described control signal, adjust the inductance value of described capacitive part capacitance and/or the described inductive part be connected with described nonlinear switching, with the generation of harmonic inhabitation.
Preferably,
Described capacitive part comprises at least M electric capacity;
M1 described electric capacity is arranged in m1 branch road; Described M be not less than 2 integer; Described m1 is the positive integer being not more than described M;
Described capacitive part also comprises m2 the first controlled switch; Wherein, described m2 is the positive integer being not more than described M;
Described m2 the first controlled switch lays respectively in branch road described in m2 bar;
Describedly utilize described control signal, the capacitance adjusting described capacitive part comprises:
Utilize described control signal, control being turned on or off of the first controlled switch described in each respectively.
Preferably,
Described inductive part comprises at least N number of inductance;
The n-th 1 described inductance are arranged in the n-th 1 branch roads; Described N be not less than 2 integer; Described n1 is the positive integer being not more than described M;
Described inductive part also comprises n2 the second controlled switch; Wherein, described n2 is the positive integer being not more than described N;
Described n2 the second controlled switch lays respectively in branch road described in n2 bar;
Describedly utilize described control signal, the inductance value adjusting described inductive part comprises:
Utilize described control signal, control being turned on or off of the second controlled switch described in each respectively.
Preferably,
The generation that described utilization is connected in parallel on the harmonic suppression circuit harmonic inhabitation at described nonlinear switching two ends comprises:
The harmonic suppression circuit being connected in parallel on described nonlinear switching two ends is utilized to suppress the generation of triple-frequency harmonics.
Electronic equipment described in the embodiment of the present invention and harmonic suppressing method, by introducing harmonic suppression circuit in the electronic device, can suppress the harmonic wave that nonlinear switching causes, the communication noise that harmonic wave can be avoided to cause and interference, can improve the communication quality of electronic equipment.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation 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.
Embodiment
Below in conjunction with Figure of description and specific embodiment technical scheme of the present invention done and further elaborate.
Apparatus embodiments one:
As shown in Figure 2, the present embodiment provides a kind of electronic equipment, and described electronic equipment is provided with reconfigurable antenna unit 110;
Described reconfigurable antenna unit 110 at least comprises nonlinear switching 111, and described nonlinear switching 111 is for adjusting the resonance length of described reconfigurable antenna unit;
Described electronic equipment is also provided with and is connected in parallel on the harmonic suppression circuit 120 of described nonlinear switching two ends for the generation of harmonic inhabitation.
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 comprising at least one reconfigurable antenna; Described reconfigurable antenna unit is by changing the physical result of antenna, adjusts antenna electric performance parameter, antenna can be switched flexibly according to applied environment between multiple different mode of operation.Described nonlinear switching can be specifically pin diode switch or EFT fet switch.Described pin diode switch and EFT field effect transistor all have employed semiconductor junction as structure, and the process of semiconductor junction to the signal of telecommunication is nonlinear.
Described nonlinear switching is utilized to adjust the resonance length of reconfigurable cell by the oscillator length adjusting reconfigurable antenna in described reconfigurable cell in the present embodiment, thus reconfigurable cell realizes resonance at multiple frequency band when can make, to increase communication bandwidth and communication efficiency.But nonlinear switching will cause occurring harmonic component because it is non-linear.Harmonic wave (harmonic wave), referring to the electricity that frequency contained in electric current is the integral multiple of first-harmonic, is that periodic non-sine electricity carries out Fourier series decomposition, the electricity that all the other electric currents being greater than fundamental frequency produce.
And the harmonic component in communication electronic equipment can not only reduce the transmitting efficiency of electronic equipment, simultaneously because harmonic wave also will cause the noise that communicates, thus overall communication efficiency will be reduced.
In order to solve the problem, in the present embodiment, introduce harmonic suppression circuit; Described harmonic suppression circuit is the circuit structure comprising harmonics restraint element; Described harmonics restraint element comprises the electronic devices and components that filter or power compensator etc. have harmonic absorption or inhibit feature.The structure of described harmonic suppression circuit specifically has a variety of, does not just list one by one at this.
The described harmonic suppression circuit of concrete regulation and described nonlinear switching are connected in parallel 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, thus the timely switching of nonlinear switching can be ensured.
Comprehensively above-mentioned, electronic equipment described in the present embodiment is on the basis of existing electronic equipment, by introducing the harmonic suppression circuit in parallel with nonlinear switching, can not only be that electronic equipment realizes resonance at different working bands, while increasing bandwidth of operation and antenna efficiency, harmonic wave also by causing because of nonlinear switching, can improve antenna efficiency and communication quality further.
Apparatus embodiments two:
As shown in Figure 2, the present embodiment provides a kind of electronic equipment, and described electronic equipment is provided with reconfigurable antenna unit 110;
Described reconfigurable antenna unit 110 at least comprises nonlinear switching 111, and described nonlinear switching 111 is for adjusting the resonance length of described reconfigurable antenna unit;
Described electronic equipment is also provided with and is connected in parallel on the harmonic suppression circuit 120 of described nonlinear switching two ends for the generation of harmonic inhabitation.
As shown in Figure 3, described harmonic suppression circuit 120 comprises capacitive part 121 and inductive part 122;
Described capacitive part 121 at least comprises an electric capacity; Described inductive part 122 at least comprises an inductance;
Described capacitive part 121 and described inductive part 122 serial or parallel connection.
Described capacitive part 121 only comprises an electric capacity in figure 3; Described inductive part 122 only comprises an inductance; And connect between described capacitive part 121 and described inductive part 122; When specific implementation, described capacitive part 121 can comprise multiple electric capacity; Described inductive part 122 can comprise a multiple inductance; Not only can connect between described capacitive part 121 with described inductive part 122 can also be in parallel.
In figure 3, described electric capacity can be variable capacitance; Described inductance can be variable inductance; The harmonic component that nonlinear switching causes is relevant to the operating frequency of reconfigurable antenna unit; The harmonic component of different frequencies needs to provide different capacitances and inductance value to suppress by harmonic suppression circuit, therefore selects variable capacitance and variable inductance when described reconfigurable cell is operated in different frequency bands, can play good harmonics restraint effect.
When specific implementation, the working band of electronic equipment just can be predicted before electronic equipment dispatches from the factory, according to the working band of electronic equipment, when described nonlinear switching disconnects, described harmonic suppression circuit is without harmonic inhabitation, thus also can remain open, when described nonlinear switching conducting, can according to the working band predicted, thus the capacitance and inductance value that provide needed for harmonic suppression circuit can be determined, thus directly can determine the number of electric capacity in harmonic suppression circuit, inductance and the connected mode of electric capacity and/or inductance; Obviously the harmonic suppression circuit only only including an electric capacity and an inductance can play good harmonics restraint effect equally.
In the present embodiment, first do not have selective filter or power compensator equal-volume comparatively large and the harmonics restraint element that structure is comparatively complicated as the harmonic suppression circuit in the electronic equipment described in the present embodiment, can simplified structure and reduce the volume of electronic equipment; But the volume adopted is little and be easily integrated in the electric capacity of electronic equipment and inductance forms described harmonic suppression circuit as harmonics restraint element, can not only the generation of good harmonic inhabitation, the advantage that electronic equipment volume is little, structure is simple and cost price is low can also be kept.
Apparatus embodiments three:
As shown in Figure 2, the present embodiment provides a kind of electronic equipment, and described electronic equipment is provided with reconfigurable antenna unit 110;
Described reconfigurable antenna unit 110 at least comprises nonlinear switching 111, and described nonlinear switching 111 is for adjusting the resonance length of described reconfigurable antenna unit;
Described electronic equipment is also provided with and is connected in parallel on the harmonic suppression circuit 120 of described nonlinear switching two ends for the generation of harmonic inhabitation.
As shown in Figure 3, described harmonic suppression circuit 120 comprises capacitive part 121 and inductive part 122;
Described capacitive part 121 at least comprises an electric capacity; Described inductive part 122 at least comprises an inductance;
Described capacitive part 121 and described inductive part 122 serial or parallel connection.
As shown in Fig. 4 or Fig. 5, described harmonic suppression circuit 120 also comprises control section 120;
Described control section 123, is connected with described inductive part 122 with described capacitive part 121 respectively;
Described control section 123 generates control signal for the operating frequency according to described reconfigurable antenna unit, and utilizes described control signal, adjusts the inductance value of described capacitive part capacitance and/or the described inductive part be connected with described nonlinear switching.
In the diagram, described capacitive part 121 is connected with described inductive part 122, and described capacitive part 121 comprises at least two electric capacity; Described inductive part 122 comprises at least two inductance 122.
In Figure 5, described capacitive part 121 is in parallel with described inductive part 122, and described capacitive part 121 comprises at least two electric capacity; Described inductive part 122 comprises at least two inductance 122.
The concrete structure of described control section 123 can comprise process chip or processor etc.; Described process chip or processor can be the chip of special control harmonics restraint, also can be the process chip multiplexing with other functional structures in electronic equipment or processor, concrete as the central processor CPU etc. multiplexing with display.
Described control signal can the arbitrary signal of telecommunication that exports of described control section 123, concrete as voltage or electric current etc.
The present embodiment is on the basis of a upper embodiment, can flexibly according to the current operating band of electronic equipment by introducing control section 123, the capacitance of control capacitance part 121 and the inductance value of inductive part 122, can well play harmonics restraint effect to make harmonic suppression circuit 120 at different working bands; And there is the strong advantage of controllability.
Apparatus embodiments four:
As shown in Figure 2, the present embodiment provides a kind of electronic equipment, and described electronic equipment is provided with reconfigurable antenna unit 110;
Described reconfigurable antenna unit 110 at least comprises nonlinear switching 111, and described nonlinear switching 111 is for adjusting the resonance length of described reconfigurable antenna unit;
Described electronic equipment is also provided with and is connected in parallel on the harmonic suppression circuit 120 of described nonlinear switching two ends for the generation of harmonic inhabitation.
As shown in Figure 3, described harmonic suppression circuit 120 comprises capacitive part 121 and inductive part 122;
Described capacitive part 121 at least comprises an electric capacity; Described inductive part 122 at least comprises an inductance;
Described capacitive part 121 and described inductive part 122 serial or parallel connection.
As shown in Fig. 4 or Fig. 5, described harmonic suppression circuit 120 also comprises control section 120;
Described control section 123, is connected with described inductive part with described capacitive part respectively;
Described control section 123 generates control signal for the operating frequency according to described reconfigurable antenna unit, and utilizes described control signal, adjusts the inductance value of described capacitive part capacitance and/or the described inductive part be connected with described nonlinear switching.
As shown in Fig. 4 or Fig. 5, described capacitive part 121 comprises at least M electric capacity;
M1 described electric capacity is arranged in m1 branch road; Described M be not less than 2 integer; Described m1 is the positive integer being not more than described M;
Described capacitive part 121 also comprises m2 the first controlled switch; Wherein, described m2 is the positive integer being not more than described M;
Described m2 the first controlled switch lays respectively in branch road described in m2 bar;
Described first controlled switch, for the branch road described in described first controlled switch place that is turned on or off according to control signal.
Described first controlled switch specifically can the structure such as triode or transistor; Described first controlled switch can comprise control end and two controlled ends; Described two controlled ends are connected in described branch road, and described controlled end is connected with described control section, for reception control signal, and the described branch road that is turned on or off under the effect of control signal.
A described branch road comprises an electric capacity in the present embodiment, and control section 123, to the control of the electric capacity in any two branch roads, can not interfere with each other.When specific implementation, can comprise multiple electric capacity in a branch road, a branch road only comprises an electric capacity in the present embodiment, can realize the control to single electric capacity, thus controlling is strong, controls flexibility large.
In the present embodiment as described m2=M, then described control section can control separately each branch road and each electric capacity; When described m2 is less than described M, then described harmonic suppression circuit always has partition capacitance to suppress in parallel with described nonlinear switching.
In concrete implementation procedure, conveniently described control section 123 controls the entirety of described capacitive part 121, can also a switch be set on the upstream end of described capacitive part or output, such control section 123 can by the described switch that is turned on or off, and the entirety controlling described capacitive part 121 disconnects 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 shown in Figure 2, the present embodiment provides a kind of electronic equipment, and described electronic equipment is provided with reconfigurable antenna unit 110;
Described reconfigurable antenna unit 110 at least comprises nonlinear switching 111, and described nonlinear switching 111 is for adjusting the resonance length of described reconfigurable antenna unit;
Described electronic equipment is also provided with and is connected in parallel on the harmonic suppression circuit 120 of described nonlinear switching two ends for the generation of harmonic inhabitation.
As shown in Figure 3, described harmonic suppression circuit 120 comprises capacitive part 121 and inductive part 122;
Described capacitive part 121 at least comprises an electric capacity; Described inductive part 122 at least comprises an inductance;
Described capacitive part 121 and described inductive part 122 serial or parallel connection.
As shown in Fig. 4 or Fig. 5, described harmonic suppression circuit 120 also comprises control section 120;
Described control section 123, is connected with described inductive part with described capacitive part respectively;
Described control section 123 generates control signal for the operating frequency according to described reconfigurable antenna unit, and utilizes described control signal, adjusts the inductance value of described capacitive part capacitance and/or the described inductive part be connected with described nonlinear switching.
As shown in Fig. 4 or Fig. 5, described inductive part 122 comprises at least N number of inductance;
The n-th 1 described inductance are arranged in the n-th 1 branch roads; Described N be not less than 2 integer; Described n1 is the positive integer being not more than described M;
Described inductive part 122 also comprises n2 the second controlled switch; Wherein, described n2 is the positive integer being not more than described N;
Described n2 the second controlled switch lays respectively in branch road described in n2 bar;
Described second controlled switch, for the branch road described in described second controlled switch place that is turned on or off according to control signal.
The concrete structure of described second controlled switch can be similar to described first controlled switch, and concrete detailed description see the corresponding part of a upper embodiment, just no longer can be repeated at this.
A described branch road comprises an inductance in the present embodiment, and control section 123, to the control of the inductance in any two branch roads, can not interfere with each other.When specific implementation, can comprise multiple inductance in a branch road, a branch road only comprises an inductance in the present embodiment, can realize the control to single inductance, thus controlling is strong, controls flexibility large.
In the present embodiment as described n2=N, then described control section can control separately each branch road and each inductance; When described n2 is less than described N, then described harmonic suppression circuit always has partial inductance to suppress in parallel with described nonlinear switching.
In concrete implementation procedure, conveniently described control section 123 controls the entirety of described inductive part 122, can also a switch be set on the upstream end of described inductive part or output, such control section can by the described switch that is turned on or off, and the entirety controlling described inductive part 122 disconnects or conducting; Conducting and the disconnection of each bar branch road is controlled again by the second controlled switch in branch road.
Apparatus embodiments six:
As shown in Figure 2, the present embodiment provides a kind of electronic equipment, and described electronic equipment is provided with reconfigurable antenna unit 110;
Described reconfigurable antenna unit 110 at least comprises nonlinear switching 111, and described nonlinear switching 111 is for adjusting the resonance length of described reconfigurable antenna unit;
Described electronic equipment is also provided with and is connected in parallel on the harmonic suppression circuit 120 of described nonlinear switching two ends for the generation of harmonic inhabitation.
As shown in Figure 3, described harmonic suppression circuit 120 comprises capacitive part 121 and inductive part 122;
Described capacitive part 121 at least comprises an electric capacity; Described inductive part 122 at least comprises an inductance;
Described capacitive part 121 and described inductive part 122 serial or parallel connection.
Described harmonic suppression circuit 120 is for suppressing the triple-frequency harmonics of THIRD-HARMONIC GENERATION to suppress circuit.
Described harmonic suppression circuit 120 one or more harmonic waves such as triple-frequency harmonics and quintuple harmonics that described nonlinear switching can be suppressed to produce in the above-described embodiments; And when specific implementation, third-harmonic component is maximum, Communication Jamming is maximum, in the present embodiment in order to simplify the structure of described harmonic suppression circuit, described harmonic suppression circuit being defined as triple-frequency harmonics and suppressing circuit.
In sum, present embodiments provide a kind of electronic equipment, introduce the harmonic suppression circuit in parallel with nonlinear switching to suppress the harmonic wave because nonlinear switching causes, the communication quality of electronic equipment can be improved.
Embodiment of the method one:
The present embodiment provides a kind of harmonic suppressing method, be applied to as shown in Figures 2 to 5, comprise in the electronic equipment of reconfigurable antenna unit 110, described electronic equipment is preferably reconfigurable antenna unit 110 described in the electronic equipment such as mobile phone or panel computer and comprises nonlinear switching 111; Described nonlinear switching 111 is for adjusting the resonance length of described reconfigurable antenna unit 120; Described method comprises: utilize the generation being connected in parallel on harmonic suppression circuit 120 harmonic inhabitation at described nonlinear switching 111 two ends.
In the present embodiment, be connected in parallel on described nonlinear switching 111 two ends by harmonic suppression circuit 120 and carry out harmonic inhabitation, not only ensure that described nonlinear switching 111 adjusts the resonance length of described reconfigurable antenna unit 110 in time, simultaneously can also harmonic inhabitation, alleviate the problem of the communication noise that harmonic wave causes.
The concrete structure of described reconfigurable antenna unit 120 and harmonic suppression circuit 120 see apparatus embodiments one to apparatus embodiments six, just no longer can be repeated at this.
Embodiment of the method two:
The present embodiment provides a kind of harmonic suppressing method, be applied to as shown in Figures 2 to 5, comprise in the electronic equipment of reconfigurable antenna unit 110, described electronic equipment is preferably reconfigurable antenna unit 110 described in the electronic equipment such as mobile phone or panel computer and comprises nonlinear switching 111; Described nonlinear switching 111 is for adjusting the resonance length of described reconfigurable antenna unit 120; Described method comprises: utilize the generation being connected in parallel on harmonic suppression circuit 120 harmonic inhabitation at described nonlinear switching 111 two ends.
As shown in Figures 3 to 5, described harmonic suppression circuit 120 comprises capacitive part 121, inductive part 122 and control section 123;
Described capacitive part 123 at least comprises an electric capacity; Described inductive part 122 at least comprises an inductance component; Described capacitive part 121 and described inductive part 122 serial or parallel connection;
The generation that described utilization is connected in parallel on the harmonic suppression circuit harmonic inhabitation at described nonlinear switching two ends comprises:
Step S110: described control section 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 inductance value of described capacitive part capacitance and/or the described inductive part be connected with described nonlinear switching, with the generation of harmonic inhabitation.
The operating frequency of described reconfigurable antenna unit 110 is different, then the humorous wave frequency produced is different; Different harmonic waves needs to provide different capacitances and inductance value to suppress by described harmonic suppression circuit.Described control section 123 in an embodiment, first obtains the operating frequency of described reconfigurable antenna unit; Then generate control signal according to described control operating frequency, wherein, described control signal can control the described harmonic suppression circuit capacitance in parallel with described nonlinear switching and inductance value; Recycle described control signal and control the described harmonic suppression circuit capacitance in parallel with described nonlinear switching and inductance value, have and control easy advantage.
Embodiment of the method three:
The present embodiment provides a kind of harmonic suppressing method, be applied to as shown in Figures 2 to 5, comprise in the electronic equipment of reconfigurable antenna unit 110, described electronic equipment is preferably reconfigurable antenna unit 110 described in the electronic equipment such as mobile phone or panel computer and comprises nonlinear switching 111; Described nonlinear switching 111 is for adjusting the resonance length of described reconfigurable antenna unit 120; Described method comprises: utilize the generation being connected in parallel on harmonic suppression circuit 120 harmonic inhabitation at described nonlinear switching 111 two ends.
As shown in Figures 3 to 5, described harmonic suppression circuit 120 comprises capacitive part 121, inductive part 122 and control section 123;
Described capacitive part 123 at least comprises an electric capacity; Described inductive part 122 at least comprises an inductance component; Described capacitive part 121 and described inductive part 122 serial or parallel connection;
The generation that described utilization is connected in parallel on the harmonic suppression circuit harmonic inhabitation at described nonlinear switching two ends comprises:
Step S110: described control section 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 inductance value of described capacitive part capacitance and/or the described inductive part be connected with described nonlinear switching, with the generation of harmonic inhabitation.
As shown in Fig. 4 or Fig. 5, described capacitive part 121 comprises at least M electric capacity;
M1 described electric capacity is arranged in m1 branch road; Described M be not less than 2 integer; Described m1 is the positive integer being not more than described M;
Described capacitive part also comprises m2 the first controlled switch; Wherein, described m2 is the positive integer being not more than described M;
Described m2 the first controlled switch lays respectively in branch road described in m2 bar;
Described step S130 comprises:
Utilize described control signal, control being turned on or off of the first controlled switch described in each respectively.
The concrete structure of described first controlled switch can see the apparatus embodiments of correspondence, just be not repeated at this, described control section 123 can by inputting described control signal to the control end of described first controlled switch, being turned on or off between the controlled components controlling described first controlled switch, and then control being turned on or off of described branch road.
In the present embodiment a branch road is only provided with an electric capacity, and first controlled switch is only arranged in a branch road, facilitate the independent control of described control section 123 to each electric capacity or each branch road, there is controllability strong and control the high advantage of flexibility ratio.
Embodiment of the method four:
The present embodiment provides a kind of harmonic suppressing method, be applied to as shown in Figures 2 to 5, comprise in the electronic equipment of reconfigurable antenna unit 110, described electronic equipment is preferably reconfigurable antenna unit 110 described in the electronic equipment such as mobile phone or panel computer and comprises nonlinear switching 111; Described nonlinear switching 111 is for adjusting the resonance length of described reconfigurable antenna unit 120; Described method comprises: utilize the generation being connected in parallel on harmonic suppression circuit 120 harmonic inhabitation at described nonlinear switching 111 two ends.
As shown in Figures 3 to 5, described harmonic suppression circuit 120 comprises capacitive part 121, inductive part 122 and control section 123;
Described capacitive part 123 at least comprises an electric capacity; Described inductive part 122 at least comprises an inductance component; Described capacitive part 121 and described inductive part 122 serial or parallel connection;
The generation that described utilization is connected in parallel on the harmonic suppression circuit harmonic inhabitation at described nonlinear switching two ends comprises:
Step S110: described control section 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 inductance value of described capacitive part capacitance and/or the described inductive part be connected with described nonlinear switching, with the generation of harmonic inhabitation.
As shown in Fig. 4 or Fig. 5, described inductive part 122 comprises at least N number of inductance;
The n-th 1 described inductance are arranged in the n-th 1 branch roads; Described N be not less than 2 integer; Described n1 is the positive integer being not more than described M;
Described inductive part also comprises n2 the second controlled switch; Wherein, described n2 is the positive integer being not more than described N;
Described n2 the second controlled switch lays respectively in branch road described in n2 bar;
Described step S130 comprises:
Utilize described control signal, control being turned on or off of the second controlled switch described in each respectively.
Concrete structure and described first controlled switch of described second controlled switch can be similar, and described control section 123 is also similar to described first controlled switch to the control of described second controlled switch, are again just no longer repeated; Same described control section 123 can control separately inductance controlled described in each and branch road, and same has the advantage that controllability is strong and control flexibility ratio is high.
In concrete implementation procedure, described control section can also by controlling the master switch of described capacitive part and/or inductive 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, be applied to as shown in Figures 2 to 5, comprise in the electronic equipment of reconfigurable antenna unit 110, described electronic equipment is preferably reconfigurable antenna unit 110 described in the electronic equipment such as mobile phone or panel computer and comprises nonlinear switching 111; Described nonlinear switching 111 is for adjusting the resonance length of described reconfigurable antenna unit 120; Described method comprises: utilize the generation being connected in parallel on harmonic suppression circuit 120 harmonic inhabitation at described nonlinear switching 111 two ends.
The generation that described utilization is connected in parallel on the harmonic suppression circuit harmonic inhabitation at described nonlinear switching two ends comprises: utilize the harmonic suppression circuit being connected in parallel on described nonlinear switching two ends to suppress the generation of triple-frequency harmonics.
In concrete implementation procedure, 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; By adjusting the connection of described harmonic suppression circuit and described nonlinear switching, one or more harmonic waves wherein can be suppressed; Because triple-frequency harmonics is the most serious to the Communication Jamming of electronic equipment, simultaneously in order to simplify the structure of harmonic suppression circuit, in the present embodiment, mainly suppress triple-frequency harmonics.
In several embodiments that the application provides, should be understood that disclosed equipment and method can realize by another way.Apparatus embodiments described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, and as: multiple unit or assembly can be in conjunction with, maybe can be integrated into another system, or some features can be ignored, or do not perform.In addition, the coupling each other of shown or discussed each part or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of equipment or unit or communication connection can be electrical, machinery or other form.
The above-mentioned unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, also can be distributed in multiple network element; Part or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in various embodiments of the present invention can all be integrated in a processing module, also can be each unit individually as a unit, also can two or more unit in a unit integrated; Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form that hardware also can be adopted to add SFU software functional unit realizes.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: movable storage device, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. various can be program code stored medium.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (11)
1. an electronic equipment, described electronic equipment is provided with reconfigurable antenna unit;
Described reconfigurable antenna unit at least comprises nonlinear switching, and described nonlinear switching is for adjusting the resonance length of described reconfigurable antenna unit;
Described electronic equipment is also provided with and is connected in parallel on the harmonic suppression circuit of described nonlinear switching two ends for the generation of harmonic inhabitation.
2. electronic equipment according to claim 1, is characterized in that,
Described harmonic suppression circuit comprises capacitive part and inductive part;
Described capacitive part at least comprises an electric capacity; Described inductive part at least comprises an inductance;
Described capacitive part and described inductive part serial or parallel connection.
3. electronic equipment according to claim 2, is characterized in that,
Described harmonic suppression circuit also comprises control section;
Described control section, is connected with described inductive part with described capacitive part respectively;
Described control section is used for generating control signal according to the operating frequency of described reconfigurable antenna unit, and utilizes described control signal, adjusts the inductance value of described capacitive part capacitance and/or the described inductive part be connected with described nonlinear switching.
4. electronic equipment according to claim 3, is characterized in that,
Described capacitive part comprises at least M electric capacity;
M1 described electric capacity is arranged in m1 branch road; Described M be not less than 2 integer; Described m1 is the positive integer being not more than described M;
Described capacitive part also comprises m2 the first controlled switch; Wherein, described m2 is the positive integer being not more than described M;
Described m2 the first controlled switch lays respectively in branch road described in m2 bar;
Described first controlled switch, for the branch road described in described first controlled switch place that is turned on or off according to control signal.
5. electronic equipment according to claim 3, is characterized in that,
Described inductive part comprises at least N number of inductance;
The n-th 1 described inductance are arranged in the n-th 1 branch roads; Described N be not less than 2 integer; Described n1 is the positive integer being not more than described M;
Described inductive part also comprises n2 the second controlled switch; Wherein, described n2 is the positive integer being not more than described N;
Described n2 the second controlled switch lays respectively in branch road described in n2 bar;
Described second controlled switch, for the branch road described in described second controlled switch place that is turned on or off according to control signal.
6. the electronic equipment according to claim 1,2 or 3, is characterized in that,
Described harmonic suppression circuit is for suppressing the triple-frequency harmonics of THIRD-HARMONIC GENERATION to suppress circuit.
7. a harmonic suppressing method, is applied in the electronic equipment comprising reconfigurable antenna unit, and described reconfigurable antenna unit comprises nonlinear switching; Described nonlinear switching is for adjusting the resonance length of described reconfigurable antenna unit; Described method comprises:
Utilize the generation being connected in parallel on the harmonic suppression circuit harmonic inhabitation at described nonlinear switching two ends.
8. method according to claim 7, is characterized in that,
Described harmonic suppression circuit comprises capacitive part, inductive part and control section;
Described capacitive part at least comprises an electric capacity; Described inductive part at least comprises an inductance component; Described capacitive part and described inductive part serial or parallel connection;
The generation that described utilization is connected in parallel on the harmonic suppression circuit harmonic inhabitation at described nonlinear switching two ends comprises:
Described control section obtains the operating frequency of described reconfigurable antenna unit;
Control signal is generated according to described operating frequency;
Utilize described control signal, adjust the inductance value of described capacitive part capacitance and/or the described inductive part be connected with described nonlinear switching, with the generation of harmonic inhabitation.
9. method according to claim 8, is characterized in that,
Described capacitive part comprises at least M electric capacity;
M1 described electric capacity is arranged in m1 branch road; Described M be not less than 2 integer; Described m1 is the positive integer being not more than described M;
Described capacitive part also comprises m2 the first controlled switch; Wherein, described m2 is the positive integer being not more than described M;
Described m2 the first controlled switch lays respectively in branch road described in m2 bar;
Describedly utilize described control signal, the capacitance adjusting described capacitive part comprises:
Utilize described control signal, control being turned on or off of the first controlled switch described in each respectively.
10. method according to claim 8, is characterized in that,
Described inductive part comprises at least N number of inductance;
The n-th 1 described inductance are arranged in the n-th 1 branch roads; Described N be not less than 2 integer; Described n1 is the positive integer being not more than described M;
Described inductive part also comprises n2 the second controlled switch; Wherein, described n2 is the positive integer being not more than described N;
Described n2 the second controlled switch lays respectively in branch road described in n2 bar;
Describedly utilize described control signal, the inductance value adjusting described inductive part comprises:
Utilize described control signal, control being turned on or off of the second controlled switch described in each respectively.
11. methods according to any one of claim 7 to 10, is characterized in that,
The generation that described utilization is connected in parallel on the harmonic suppression circuit harmonic inhabitation at described nonlinear switching two ends comprises:
The harmonic suppression circuit being connected in parallel on described nonlinear switching two ends is utilized to suppress the generation of triple-frequency harmonics.
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| CN108377139A (en) * | 2018-01-30 | 2018-08-07 | 广东欧珀移动通信有限公司 | Electronic device |
| CN108418593A (en) * | 2018-01-30 | 2018-08-17 | 广东欧珀移动通信有限公司 | Harmonic suppression apparatus and electronic device |
| CN113161339A (en) * | 2020-12-22 | 2021-07-23 | 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 |
| CN114362772A (en) * | 2022-03-07 | 2022-04-15 | 佛山市联动科技股份有限公司 | Harmonic suppression circuit and radio frequency ATE (automatic test equipment) tester |
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| US20130229316A1 (en) * | 2012-02-17 | 2013-09-05 | Skycross, Inc. | Method and apparatus for controlling an antenna |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108377139A (en) * | 2018-01-30 | 2018-08-07 | 广东欧珀移动通信有限公司 | Electronic device |
| CN108418593A (en) * | 2018-01-30 | 2018-08-17 | 广东欧珀移动通信有限公司 | Harmonic suppression apparatus and electronic device |
| WO2019149070A1 (en) * | 2018-01-30 | 2019-08-08 | Oppo广东移动通信有限公司 | Harmonic suppression device and 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 |
| CN108377139B (en) * | 2018-01-30 | 2021-09-14 | Oppo广东移动通信有限公司 | Electronic device |
| CN113161339A (en) * | 2020-12-22 | 2021-07-23 | 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 |
| 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 |
| CN114362772A (en) * | 2022-03-07 | 2022-04-15 | 佛山市联动科技股份有限公司 | Harmonic suppression circuit and radio frequency ATE (automatic test equipment) tester |
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| CN104378166B (en) | 2017-01-11 |
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