CN208522752U - Radio frequency component and mobile terminal - Google Patents

Radio frequency component and mobile terminal Download PDF

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Publication number
CN208522752U
CN208522752U CN201821078359.0U CN201821078359U CN208522752U CN 208522752 U CN208522752 U CN 208522752U CN 201821078359 U CN201821078359 U CN 201821078359U CN 208522752 U CN208522752 U CN 208522752U
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CN
China
Prior art keywords
radio
signal
frequency
module
radiofrequency signal
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Expired - Fee Related
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CN201821078359.0U
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Chinese (zh)
Inventor
贾玉虎
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN201821078359.0U priority Critical patent/CN208522752U/en
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Abstract

The utility model discloses a kind of radio frequency component and mobile terminals, it include: antenna, the first radio-frequency module and the second radio-frequency module that are connect with the antenna, wherein: first radio-frequency module, for generating radiofrequency signal, the radiofrequency signal includes dominant frequency signal and spurious frequency signal;Second radio-frequency module, for generating compensation radiofrequency signal, wherein the compensation radiofrequency signal and the described first scattered frequency signal reverse phase;The antenna, for emitting the radiofrequency signal and the compensation radiofrequency signal.The radio frequency component is by increasing the radio-frequency module produced with spurious frequency signal inversion in radiofrequency signal, to achieve the purpose that reduce radiation dispersion.

Description

Radio frequency component and mobile terminal
Technical field
The utility model relates to technical field of electronic equipment more particularly to a kind of radio frequency components and mobile terminal.
Background technique
Remote radio communication circuit system (such as cell phone circuit system) can be used to utilize honeycomb electric in mobile terminal Voice frequency band is communicated.Short-distance wireless communication circuit system (such as wireless LAN communication circuit system) can be used in mobile terminal To handle the communication with neighbouring device.Mobile terminal can also have satellite navigation system receiver and other radio-circuit systems.
During being communicated using cellular telephone band, since the active device in radio frequency path can generate high order Harmonic wave (such as second harmonic or triple-frequency harmonics), to cause radiation dispersion problem.It is related in order to solve the problems, such as radiation dispersion The processing mode of technology includes: first way, by reducing transmission power, this by way of reducing transmission power, Inhibitory effect is poor.The second way, when radiation dispersion surplus is above standard or when already close to standard, passes through patch and corresponds to Electromagnetic interference material, export or block these higher hamonic waves, do so the volume, at high cost for increasing device.
Summary of the invention
The purpose of this utility model is intended to solve above-mentioned one of technical problem at least to a certain extent.
For this purpose, first purpose of the utility model is to propose a kind of radio frequency component, which can by increasing The radio-frequency module with spurious frequency signal inversion in radiofrequency signal is generated, to achieve the purpose that reduce radiation dispersion.
In order to achieve the above objectives, the utility model proposes radio frequency component, comprising: antenna, connect with the antenna One radio-frequency module and the second radio-frequency module, in which: first radio-frequency module, for generating radiofrequency signal, the radiofrequency signal Including dominant frequency signal and spurious frequency signal;Second radio-frequency module, for generating compensation radiofrequency signal, wherein the benefit Repay radiofrequency signal and the described first scattered frequency signal reverse phase;The antenna is penetrated for emitting the radiofrequency signal and the compensation Frequency signal.
In addition, can also have the following additional technical features: according to radio frequency component described in the utility model
In one embodiment of the utility model, radio frequency component further includes the Signal averaging module, in which:
First radio-frequency module and second radio-frequency module are connected by the Signal averaging module and the antenna It connects;
The Signal averaging module, for the radiofrequency signal and the compensation radiofrequency signal to be overlapped, to generate New radiofrequency signal;
The antenna is also used to emit the new radiofrequency signal.
In one embodiment of the utility model, the Signal averaging module is combiner.
It further include amplification module in one embodiment of the utility model, first radio-frequency module and described second Radio-frequency module passes through the amplification module and connect with the antenna;
The amplification module, for carrying out power amplification to the radiofrequency signal and compensation radiofrequency signal;
The antenna is believed for emitting by the amplified radiofrequency signal of the amplification module and the compensation radio frequency Number.
In one embodiment of the utility model, first radio-frequency module includes the first radio frequency source and with described first First amplifying unit of radio frequency source connection, first radio frequency source is for generating the radiofrequency signal, first amplifying unit For amplifying the power of the radiofrequency signal;
Second radio-frequency module includes the second radio frequency source and the second amplifying unit for connecting with second radio frequency source, institute State the first radio frequency source for generate compensate radiofrequency signal, second amplifying unit be used for amplify it is described compensate radiofrequency signal function Rate;
Wherein, first amplifying unit is identical as the power amplification multiple of second amplifying unit.
Further include signal detection module in one embodiment of the utility model, the signal detection module respectively with First radio-frequency module is connected with second radio-frequency module, for detecting the spurious frequency in the radiofrequency signal Signal;
Second radio-frequency module is also used to carry out reverse phase processing to the spurious frequency signal, to generate the compensation Radiofrequency signal.
It further include sending module and antenna tuning switch in one embodiment of the utility model, in which:
First radio-frequency module and second radio-frequency module pass through the sending module and antenna tuning switch connects It connects;
The sending module is selected for amplifying simultaneously output channel to the radiofrequency signal and the compensation radiofrequency signal Select signal;
Antenna tuning switch, for according to the channel selecting signal by the amplified radiofrequency signal and described Compensation radiofrequency signal is tuned to respective antenna.
In one embodiment of the utility model, the antenna tuning switch is single-pole double-throw switch (SPDT), single-pole three throw is opened Pass or four throw switch of hilted broadsword.
In one embodiment of the utility model, the radiofrequency signal includes GSM850/900/1800/1900 megahertzs One of or any combination.
Radio frequency component according to the present utility model is produced and spurious frequency signal inversion in radiofrequency signal by increasing Radio-frequency module, to achieve the purpose that reduce radiation dispersion.
In order to achieve the above objectives, the utility model proposes mobile terminal, the radio frequency component including above-described embodiment.
The additional aspect of the utility model and advantage will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The utility model is above-mentioned and/or additional aspect and advantage from the following description of the accompanying drawings of embodiments will Become obvious and be readily appreciated that, in which:
Fig. 1 is the structural schematic diagram according to the radio frequency component of the utility model one embodiment;
Fig. 2 is the structural schematic diagram according to the radio frequency component of the utility model another embodiment;
Fig. 3 is the structural schematic diagram according to the radio frequency component of the utility model another embodiment;
Fig. 4 is the structural schematic diagram according to the radio frequency component of the utility model another embodiment;
Fig. 5 is the structural schematic diagram according to the radio frequency component of the utility model another embodiment;
Fig. 6 is the structural schematic diagram according to the radio frequency component of the utility model another embodiment;
Fig. 7 is the concrete structure schematic diagram according to the radio frequency component of the utility model one embodiment;
Fig. 8 is spurious frequency signal, the exemplary diagram for compensating final signal in radiofrequency signal and antenna;
Fig. 9 is the structural schematic diagram of the mobile terminal of the utility model one embodiment.
Appended drawing reference:
Mobile terminal 1, radio frequency component 10, antenna 11, the first radio-frequency module 12, the second radio-frequency module 13, Signal averaging mould Block 14, amplification module 15, signal detection module 16, sending module 17, antenna tuning switch 18, the first radio frequency source 121, first are put Big unit 122, the second radio frequency source 131 and the second amplifying unit 132.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.
Below with reference to the accompanying drawings the radio frequency component and mobile terminal of the utility model embodiment are described.
Fig. 1 is the structural schematic diagram according to the radio frequency component of the utility model one embodiment.
As shown in Figure 1, radio frequency component 10 may include antenna 11, the first radio-frequency module 12 being connect with the antenna 11 and Second radio-frequency module 13, in which:
First radio-frequency module 12, for generating radiofrequency signal, the radiofrequency signal includes dominant frequency signal and spurious frequency Rate signal.
Second radio-frequency module 13, for generating compensation radiofrequency signal, wherein the compensation radiofrequency signal and described the One scattered frequency signal reverse phase.
The antenna 11, for emitting the radiofrequency signal and the compensation radiofrequency signal.
Wherein, it is to be understood that spurious frequency signal can include but is not limited to second harmonic signal, triple-frequency harmonics letter Number.
The radio frequency component of the utility model, by increasing the radio frequency produced with spurious frequency signal inversion in radiofrequency signal Module, to achieve the purpose that reduce radiation dispersion.
In some embodiments of the utility model, as shown in Fig. 2, the radio frequency component 10 can also include that the signal is folded Add module 14, in which:
First radio-frequency module 12 and second radio-frequency module 13 by the Signal averaging module 14 with it is described Antenna 11 connects.
The Signal averaging module 14, for the radiofrequency signal and the compensation radiofrequency signal to be overlapped, with life At new radiofrequency signal.
The antenna 11 is also used to emit the new radiofrequency signal.
In this example, radiofrequency signal and compensation radiofrequency signal are overlapped by Signal averaging module, to will penetrate Spurious signal in frequency signal filters out, so that antenna only needs to emit dominant frequency signal.
In some embodiments of the utility model, Signal averaging module 14 described above can be combiner.
In order to improve the intensity of signal, in some embodiments of the utility model, the basis of embodiment shown in Fig. 1 On, as shown in figure 3, the radio frequency component 10 can also include amplification module 15, first radio-frequency module 12 is penetrated with described second Frequency module 13 is connect by the amplification module 15 with the antenna 11.
The amplification module 15, for carrying out power amplification to the radiofrequency signal and compensation radiofrequency signal.
The antenna 11 is penetrated for emitting by the amplified radiofrequency signal of the amplification module 15 and the compensation Frequency signal.
Wherein, it should be noted that amplification module 15 shown in Fig. 3 also may include in radio frequency component shown in Fig. 2, The embodiment is not construed as limiting this.
In order to improve the intensity of signal, in another embodiment of the utility model, the base of embodiment shown in Fig. 1 On plinth, as shown in figure 4, first radio-frequency module 12 may include the first radio frequency source 121 and connect with first radio frequency source 121 The first amplifying unit 122 connect, first radio frequency source 121 is for generating the radiofrequency signal, first amplifying unit 122 For amplifying the power of the radiofrequency signal.
Second radio-frequency module 13 includes the second radio frequency source 131 and what is connect with second radio frequency source 131 second put Big unit 132, first radio frequency source 121 is for generating compensation radiofrequency signal, and second amplifying unit 132 is for amplifying institute State the power of compensation radiofrequency signal.
Wherein, first amplifying unit 122 is identical as the power amplification multiple of second amplifying unit 132.
In some embodiments of the utility model, on the basis of embodiment shown in Fig. 1, as shown in figure 5, the radio frequency Component 10 can also include signal detection module 16, the signal detection module 16 respectively with first radio-frequency module 12 and institute The connection of the second radio-frequency module 13 is stated, for detecting the spurious frequency signal in the radiofrequency signal.
Second radio-frequency module 13 is also used to carry out reverse phase processing to the spurious frequency signal, to generate the benefit Repay radiofrequency signal.
Wherein, it is to be understood that be that the information that signal detection module can detecte out spurious frequency signal in radiofrequency signal can To include harmonic frequency, the amplitude and phase information of spurious frequency signal (i.e. higher hamonic wave signal).?.
As another illustrative embodiment, the spurious frequency signal in radiofrequency signal is detected in detection module Afterwards, the second radio-frequency module 13 can also generate the radiofrequency signal with spurious frequency signal inversion according to spurious frequency signal.
In this example, the radiofrequency signal generated of first radio-frequency module 12 is examined by signal detection module 16 It surveys, to detect the spurious frequency signal in radiofrequency signal.
In some embodiments of the utility model, in order to switch the working condition of antenna, that is, in order to realize antenna not With the switching between working frequency range, on the basis of embodiment shown in Fig. 1, as shown in fig. 6, the radio frequency component 10 can also wrap Include 11 tuning switch of sending module 17 and antenna, in which:
First radio-frequency module 12 and second radio-frequency module 13 pass through the sending module 17 and antenna tuning Switch 18 connects.
The sending module 17, for amplifying simultaneously output channel to the radiofrequency signal and the compensation radiofrequency signal Selection signal.
The antenna tuning switch 18, for according to the channel selecting signal by the amplified radiofrequency signal and institute It states compensation radiofrequency signal and is tuned to respective antenna 11.
Wherein, the antenna tuning switch 18 is four throw switch of single-pole double-throw switch (SPDT), single-pole three-throw switch or hilted broadsword.
Wherein, it should be noted that the concrete type of antenna tuning switch 18 can be according to radiofrequency signal communication frequency band Actual demand is set, which is not construed as limiting the concrete type of 11 tuning switch of antenna.
Wherein, the radiofrequency signal includes one of GSM850/900/1800/1900 megahertzs or any combination.
For example, it is assumed that the concrete structure schematic diagram of radio frequency component 10, as shown in fig. 7, as seen in Figure 7, first penetrates The working frequency of radio frequency source 1 in frequency module 12 is f0, is existed in the radiofrequency signal generated of the first radio-frequency module 12 humorous three times Wave signal 3f0, that is, there are spurious frequency signal in radiofrequency signal, working frequency is that the second radio-frequency module 13 of 3f0 is generated Spurious frequency signal inversion in the compensation radiofrequency signal of aerial radiation and the first radio-frequency module 12, wherein spurious frequency signal, The exemplary diagram of final signal in radiofrequency signal and antenna is compensated, as shown in Figure 8.
The utility model also proposes a kind of mobile terminal.
Fig. 9 is the structural schematic diagram of the mobile terminal of the utility model one embodiment.
As shown in figure 9, the mobile terminal 1 may include radio frequency component 10 described in the various embodiments described above.
Wherein, mobile terminal 1 can include but is not limited to phone, plate, laptop computer, wearable communication equipment etc., The embodiment is to being not construed as limiting herein.
Mobile terminal according to the present utility model is produced and spurious frequency signal inversion in radiofrequency signal by increasing Radio-frequency module, to achieve the purpose that reduce radiation dispersion.
In the description of the present invention, it should be understood that term " first ", " second " are used for description purposes only, and It cannot be understood as indicating or implying relative importance or implicitly indicate the quantity of indicated technical characteristic.It defines as a result, The feature of " first ", " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, The meaning of " plurality " is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be Mechanical connection, is also possible to be electrically connected;It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into Row combination and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model Inside it can make changes, modifications, alterations, and variations to the above described embodiments.

Claims (10)

1. a kind of radio frequency component, which is characterized in that including antenna, the first radio-frequency module and the second radio frequency that are connect with the antenna Module, in which:
First radio-frequency module, for generating radiofrequency signal, the radiofrequency signal includes dominant frequency signal and spurious frequency signal;
Second radio-frequency module, for generating compensation radiofrequency signal, wherein the compensation radiofrequency signal and the spurious frequency Signal inversion;
The antenna, for emitting the radiofrequency signal and the compensation radiofrequency signal.
2. radio frequency component as described in claim 1, which is characterized in that further include the Signal averaging module, in which:
First radio-frequency module is connect by the Signal averaging module with the antenna with second radio-frequency module;
The Signal averaging module is newly penetrated for being overlapped the radiofrequency signal and the compensation radiofrequency signal with generating Frequency signal;
The antenna is also used to emit the new radiofrequency signal.
3. radio frequency component as claimed in claim 2, which is characterized in that the Signal averaging module is combiner.
4. radio frequency component as described in claim 1, which is characterized in that further include amplification module, first radio-frequency module with Second radio-frequency module passes through the amplification module and connect with the antenna;
The amplification module, for carrying out power amplification to the radiofrequency signal and compensation radiofrequency signal;
The antenna passes through the amplified radiofrequency signal of the amplification module and the compensation radiofrequency signal for emitting.
5. radio frequency component as described in claim 1, which is characterized in that first radio-frequency module include the first radio frequency source and with First amplifying unit of first radio frequency source connection, first radio frequency source is for generating the radiofrequency signal, and described first Amplifying unit is used to amplify the power of the radiofrequency signal;
Second radio-frequency module includes the second radio frequency source and the second amplifying unit for connecting with second radio frequency source, and described One radio frequency source is used to amplify the power of the compensation radiofrequency signal for generating compensation radiofrequency signal, second amplifying unit;
Wherein, first amplifying unit is identical as the power amplification multiple of second amplifying unit.
6. radio frequency component as described in claim 1, which is characterized in that it further include signal detection module, the signal detection mould Block is connect with first radio-frequency module and second radio-frequency module respectively, described in detecting in the radiofrequency signal Spurious frequency signal;
Second radio-frequency module is also used to carry out reverse phase processing to the spurious frequency signal, to generate the compensation radio frequency Signal.
7. radio frequency component as described in claim 1, which is characterized in that further include sending module and antenna tuning switch, in which:
First radio-frequency module and second radio-frequency module pass through the sending module and antenna tuning switch connects;
The sending module, for amplifying simultaneously output channel selection letter to the radiofrequency signal and the compensation radiofrequency signal Number;
Antenna tuning switch, for according to the channel selecting signal by the amplified radiofrequency signal and the compensation Radiofrequency signal is tuned to respective antenna.
8. radio frequency component as claimed in claim 7, which is characterized in that the antenna tuning switch is single-pole double-throw switch (SPDT), list Four throw switch of three throw switch of knife or hilted broadsword.
9. such as the described in any item radio frequency components of claim 1-8, which is characterized in that the radiofrequency signal includes GSM850/ One of 900/1800/1900 megahertz or any combination.
10. a kind of mobile terminal, which is characterized in that including such as described in any item radio frequency components of claim 1-9.
CN201821078359.0U 2018-07-09 2018-07-09 Radio frequency component and mobile terminal Expired - Fee Related CN208522752U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821078359.0U CN208522752U (en) 2018-07-09 2018-07-09 Radio frequency component and mobile terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821078359.0U CN208522752U (en) 2018-07-09 2018-07-09 Radio frequency component and mobile terminal

Publications (1)

Publication Number Publication Date
CN208522752U true CN208522752U (en) 2019-02-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821078359.0U Expired - Fee Related CN208522752U (en) 2018-07-09 2018-07-09 Radio frequency component and mobile terminal

Country Status (1)

Country Link
CN (1) CN208522752U (en)

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Granted publication date: 20190219