CN107359894A - Radio circuit, antenna assembly and electronic equipment - Google Patents

Radio circuit, antenna assembly and electronic equipment Download PDF

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Publication number
CN107359894A
CN107359894A CN201710526579.9A CN201710526579A CN107359894A CN 107359894 A CN107359894 A CN 107359894A CN 201710526579 A CN201710526579 A CN 201710526579A CN 107359894 A CN107359894 A CN 107359894A
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CN
China
Prior art keywords
switch
port
frequency
sub
wave filter
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CN201710526579.9A
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Chinese (zh)
Inventor
丛明
冯斌
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CN201710526579.9A priority Critical patent/CN107359894A/en
Publication of CN107359894A publication Critical patent/CN107359894A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40Circuits

Abstract

The embodiment of the present invention provides a kind of radio circuit, antenna assembly and electronic equipment, the radio circuit can receive and dispatch high-frequency signal or intermediate-freuqncy signal, low frequency signal can be received and dispatched, the carrier aggregation signal of high-frequency signal and low frequency signal, or transmitting-receiving intermediate-freuqncy signal and the carrier aggregation signal of low frequency signal can also be received and dispatched.Radio frequency switching circuit chip can control the radiofrequency signal of the different frequency ranges such as antenna transmitting-receiving high frequency, intermediate frequency, low frequency, the carrier aggregation signal of antenna transmitting-receiving different frequency range can also be controlled, so as to improve the diversity of electronic apparatus receiving and transmitting radiofrequency signal.

Description

Radio circuit, antenna assembly and electronic equipment
Technical field
The present invention relates to communication technical field, more particularly to a kind of radio circuit, antenna assembly and electronic equipment.
Background technology
With the development of the communication technology, the communications band that mobile terminal can be supported is more and more.For example, LTE (Long Term Evolution, Long Term Evolution) signal of communication can include frequency in 700MHz to the signal between 2700MHz.
The radiofrequency signal that mobile terminal can be supported can be divided into low frequency signal, intermediate-freuqncy signal and high-frequency signal.Wherein, it is low Frequency signal, intermediate-freuqncy signal and high-frequency signal each include multiple sub-band signals again.Each sub-band signals are required for passing through Antenna is transmitted into the external world.
Thus, carrier aggregation (Carrier Aggregation, abbreviation CA) technology is generated., can be with by carrier aggregation Multiple sub-band signals are condensed together, to improve network up and down transmission rate.
At present, the frequency resource of each Communications Market in the whole world is different.The common carrier of different zones possesses difference Communication spectrum distribution, therefore also there is the frequency range requirements of combination of different carrier aggregations, there is also need not carry out carrier wave The frequency range demand of polymerization.However, the radiofrequency signal or the frequency range of carrier aggregation signal that current mobile terminal can be received and dispatched are single, Lack of diversity, the demand can not be met.
The content of the invention
The embodiment of the present invention provides a kind of radio circuit, antenna assembly and electronic equipment, can improve electronic apparatus receiving and transmitting The diversity of radiofrequency signal.
The embodiment of the present invention provides a kind of radio circuit, including RF transceiver, radio frequency switching circuit chip and antenna, The RF transceiver, radio frequency switching circuit chip and antenna are sequentially connected;
The radio frequency switching circuit chip includes first switch, second switch, third switch, the 4th switch, the first filtering Device, the second wave filter, the first impedance regulator and the second impedance regulator, the first switch connect the RF transceiver High frequency port and intermediate frequency port, the second switch connect the low frequency port of the RF transceiver, the 3rd switch, the Four switches are all connected with the antenna;
The first switch, the first wave filter, the first impedance regulator, the 3rd switch are sequentially connected, and described first Switch, the first wave filter, the 3rd switch are connected to the first common node;
The second switch, the second wave filter, the second impedance regulator, the 4th switch are sequentially connected, and described second Switch, the second wave filter, the 4th switch are connected to the second common node;
When first switch connection, the first common node described in the 3rd switch connection, and the second switch During disconnection, the radio circuit transmitting-receiving high-frequency signal or intermediate-freuqncy signal;
When second switch connection, the second common node described in the 4th switch connection, and the first switch During disconnection, the radio circuit receives and dispatches low frequency signal;
When the first switch, second switch are also turned on, the first wave filter described in the 3rd switch connection and described First impedance regulator, when the second wave filter described in the 4th switch connection and second impedance regulator, the radio frequency Circuit receives and dispatches carrier aggregation signal, and the carrier aggregation signal is the carrier aggregation signal of high-frequency signal and low frequency signal, or in The carrier aggregation signal of frequency signal and low frequency signal.
The embodiment of the present invention also provides a kind of antenna assembly, including above-mentioned radio circuit.
The embodiment of the present invention also provides a kind of electronic equipment, including housing and circuit board, and the circuit board is arranged on described Enclosure interior, radio circuit is provided with the circuit board, the radio circuit is above-mentioned radio circuit.
Radio circuit provided in an embodiment of the present invention, high-frequency signal or intermediate-freuqncy signal can be received and dispatched, low frequency letter can be received and dispatched Number, the carrier aggregation signal of high-frequency signal and low frequency signal can also be received and dispatched, or receive and dispatch the carrier wave of intermediate-freuqncy signal and low frequency signal Aggregate signal.Radio frequency switching circuit chip can control the radiofrequency signal of the different frequency ranges such as antenna transmitting-receiving high frequency, intermediate frequency, low frequency, Also the carrier aggregation signal of antenna transmitting-receiving different frequency range can be controlled, so as to improve the various of electronic apparatus receiving and transmitting radiofrequency signal Property.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment Accompanying drawing is briefly described.It should be evident that drawings in the following description are only some embodiments of the present invention, for For those skilled in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached Figure.
Fig. 1 is the structural representation of electronic equipment provided in an embodiment of the present invention.
Fig. 2 is the first structural representation of radio circuit provided in an embodiment of the present invention.
Fig. 3 is second of structural representation of radio circuit provided in an embodiment of the present invention.
Fig. 4 is the third structural representation of radio circuit provided in an embodiment of the present invention.
Fig. 5 is the 4th kind of structural representation of radio circuit provided in an embodiment of the present invention.
Fig. 6 is the first structural representation of radio frequency switching circuit chip provided in an embodiment of the present invention.
Fig. 7 is second of structural representation of radio frequency switching circuit chip provided in an embodiment of the present invention.
Fig. 8 is the third structural representation of radio frequency switching circuit chip provided in an embodiment of the present invention.
Fig. 9 is the 4th kind of structural representation of radio frequency switching circuit chip provided in an embodiment of the present invention.
Figure 10 is the 5th kind of structural representation of radio frequency switching circuit chip provided in an embodiment of the present invention.
Figure 11 is the 6th kind of structural representation of radio frequency switching circuit chip provided in an embodiment of the present invention.
Figure 12 is the 7th kind of structural representation of radio frequency switching circuit chip provided in an embodiment of the present invention.
Figure 13 is the 5th kind of structural representation of radio circuit provided in an embodiment of the present invention.
Figure 14 is another structural representation of electronic equipment provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes.Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, the every other implementation that those skilled in the art are obtained under the premise of creative work is not made Example, belongs to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " up time The orientation or position relationship of the instruction such as pin ", " counterclockwise " are based on orientation shown in the drawings or position relationship, are for only for ease of Description is of the invention to be described with simplified, rather than the device or element of instruction or hint meaning must be with specific orientation, Yi Te Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " are only used for Purpose is described, and it is not intended that instruction or hint relative importance or the implicit quantity for indicating indicated technical characteristic. Thus, " first " is defined, the feature of " second " can be expressed or implicitly includes one or more feature. In description of the invention, " multiple " are meant that two or more, unless otherwise specifically defined.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can To be mechanical connection or electrical connection or can mutually communicate;Can be joined directly together, can also be by between intermediary Connect connected, can be connection or the interaction relationship of two elements of two element internals.For the ordinary skill of this area For personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under " Can directly it be contacted including the first and second features, it is not directly to contact but pass through it that can also include the first and second features Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " to include first special Sign is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists Second feature " under ", " lower section " and " following " fisrt feature that includes are immediately below second feature and obliquely downward, or be merely representative of Fisrt feature level height is less than second feature.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.In order to Simplify disclosure of the invention, hereinafter the part and setting of specific examples are described.Certainly, they are only example, and And purpose does not lie in the limitation present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter, This repetition is for purposes of simplicity and clarity, between itself not indicating discussed various embodiments and/or setting Relation.In addition, the invention provides various specific techniques and material examples, but those of ordinary skill in the art can be with Recognize the application of other techniques and/or the use of other materials.
The embodiment of the present invention provides a kind of electronic equipment.The electronic equipment can be the equipment such as smart mobile phone, tablet personal computer. With reference to figure 1, electronic equipment 100 includes cover plate 101, display screen 102, circuit board 103 and housing 104.
Wherein, cover plate 101 is installed on display screen 102, to cover display screen 102.Cover plate 101 can be transparent glass cover Plate.In certain embodiments, cover plate 101 can be with glass cover-plates made of material such as sapphires.
Display screen 102 is arranged on housing 104, to form the display surface of electronic equipment 100.Display screen 102 can include Viewing area 102A and non-display area 102B.Viewing area 102A is used for the information such as display image, text.Non-display area 102B not display informations.Non-display area 102B bottom can set the functional units such as fingerprint module, touch-control circuit.
Circuit board 103 is arranged on inside housing 104.Circuit board 103 can be the mainboard of electronic equipment 100.Circuit board 103 On can be integrated with the functional units such as camera, proximity transducer and processor.Meanwhile display screen 102 can be electrically connected to Circuit board 103.
In certain embodiments, radio frequency (RF, Radio Frequency) circuit is provided with circuit board 103.Radio circuit Wireless network and the network equipment (for example, server, base station etc.) or other electronic equipments (for example, smart mobile phone etc.) can be passed through Communication, with the information transmit-receive completed and between the network equipment or other electronic equipments.
In certain embodiments, as shown in Fig. 2 radio circuit 200 include RF transceiver 21, power amplification unit 22, Filter unit 23, radio frequency switching circuit chip 24 and antenna 25.Wherein, power amplification unit 22, filter unit 23, radio frequency electrical Way switch chip 24 and antenna 25 are sequentially connected.
RF transceiver 21 has emission port TX and receiving port RX.Emission port TX be used for launch radiofrequency signal ( Row signal), receiving port RX is used to receive radiofrequency signal (downstream signal).Emission port TX and the power of RF transceiver 21 are put Big unit 22 is connected, and receiving port RX is connected with filter unit 23.
Power amplification unit 22 is used to be amplified the upward signal that RF transceiver 21 is launched, and will be upper after amplification Row signal is sent to filter unit 23.
Filter unit 23 is used to be filtered the upward signal that RF transceiver 21 is launched, and by filtered up letter Number it is sent to antenna 25.Filter unit 23 be additionally operable to antenna 25 receive downstream signal be filtered, and will be filtered under Row signal is sent to RF transceiver 21.
Radio frequency switching circuit chip 24 is used for the communications band being selectively turned between RF transceiver 21 and antenna 25.Penetrate The detailed construction and function of frequency circuit switch chip 24 will hereinafter be described.
Antenna 25 is used to the upward signal that RF transceiver 21 is sent being transmitted into the external world, or receives radio frequency letter from the external world Number, and the downstream signal received is sent to RF transceiver 21.
In certain embodiments, as shown in figure 3, radio circuit 200 also includes control circuit 26.Wherein, control circuit 26 It is connected with radio frequency switching circuit chip 24.Control circuit 26 can also be connected with the processor in electronic equipment 100, with according to place Manage the state of the instruction control radio frequency switching circuit chip 24 of device.
In certain embodiments, as shown in figure 4, RF transceiver 21 include high frequency port 21H, intermediate frequency port 21M and Low frequency port 21L.Wherein, high frequency port 21H, intermediate frequency port 21M, low frequency port 21L can include multiple radio-frequency transmissions respectively Port and multiple radio frequency reception ports.High frequency port 21H is used to receive and dispatch high frequency radio signals, and intermediate frequency port 21M is used in receiving and dispatching Frequency radiofrequency signal, low frequency port 21L are used to receive and dispatch low frequency radio frequency signal.
It should be noted that above-mentioned high frequency radio signals, intermediate frequency radiofrequency signal, low frequency radio frequency signal are relative concept, Absolute frequency range is had no to distinguish.
For example, RF transceiver 21 includes 9 radio-frequency transmissions ports a1, a2, a3, a4, a5, a6, a7, a8, a9, and 9 Individual radio frequency reception port b1, b2, b3, b4, b5, b6, b7, b8, b9.
Wherein, a1, a2, a3 are high-frequency emission port, for launch high frequency radio signals (for example, band7, band40, The radiofrequency signal of the frequency ranges such as band41).B1, b2, b3 are high-frequency reception port, for receiving high frequency radio signals.a4、a5、a6 For intermediate frequency emission port, for emission medium-frequency radiofrequency signal (for example, radiofrequency signal of the frequency range such as band1, band2, band3). B4, b5, b6 are medium frequency reception port, for receiving intermediate frequency radiofrequency signal.A7, a8, a9 are low frequencies port, low for launching Frequency radiofrequency signal (for example, radiofrequency signal of the frequency range such as band8, band12, band20).B7, b8, b9 are low frequency reception port, For receiving low frequency radio frequency signal.
It should be noted that above-described embodiment is only with high frequency port 21H, intermediate frequency port 21M, the low frequency of RF transceiver 21 Port 21L includes illustrating exemplified by 3 radio-frequency transmissions ports and 3 radio frequency reception ports respectively.In some other embodiment In, high frequency port 21H, intermediate frequency port 21M, low frequency port 21L can also respectively including other quantity radio-frequency transmissions port and Radio frequency reception port.Radio-frequency transmissions included by only need to meeting high frequency port 21H, intermediate frequency port 21M, low frequency port 21L each Port is identical with the quantity of radio frequency reception port and more than 1.
Power amplification unit 22 includes 9 amplifiers 221,222,223,224,225,226,227,228,229.Wherein, Amplifier 221,222,223,224,225,226,227,228,229 respectively the radio-frequency transmissions port a1 with RF transceiver 21, A2, a3, a4, a5, a6, a7, a8, a9 are connected.
Filter unit 23 includes 9 duplexers 231,232,233,234,235,236,237,238,239.Wherein, it is duplexing Device 231,232,233,234,235,236,237,238,239 respectively with amplifier 221,222,223,224,225,226,227, 228th, 229 connection.Also, duplexer 231,232,233,234,235,236,237,238,239 respectively with RF transceiver 21 Radio frequency reception port b1, b2, b3, b4, b5, b6, b7, b8, b9 connection.
The input of radio frequency switching circuit chip 24 include 9 sub- input port c1, c2, c3, c4, c5, c6, c7, c8, c9.Wherein, sub- input port c1, c2, c3, c4, c5, c6, c7, c8, c9 respectively with duplexer 231,232,233,234,235, 236th, 237,238,239 connection.
In certain embodiments, as shown in figure 5, filter unit 23 includes wave filter 231, wave filter 232 and 7 duplexs Device 233,234,235,236,237,238,239.Wherein, wave filter 231, wave filter 232 and 7 duplexers 233,234, 235th, 236,237,238,239 it is connected respectively with amplifier 221,222,223,224,225,226,227,228,229.Also, Wave filter 231, wave filter 232 and 7 duplexers 233,234,235,236,237,238,239 respectively with RF transceiver 21 Radio frequency reception port b1, b2, b3, b4, b5, b6, b7, b8, b9 connection.
The input of radio frequency switching circuit chip 24 include 9 sub- input port c1, c2, c3, c4, c5, c6, c7, c8, c9.Wherein, sub- input port c1, c2, c3, c4, c5, c6, c7, c8, c9 respectively with wave filter 231, wave filter 232 and 7 Duplexer 233,234,235,236,237,238,239 connects.
It should be noted that above-described embodiment only enters so that filter unit 23 includes 2 wave filters and 7 duplexers as an example Row explanation.In some other embodiment, filter unit 23 can also include the wave filter and duplexer of other quantity.
In Long Term Evolution (Long Term Evolution, abbreviation LTE) communication network, according to the difference of duplex mode, LTE communication frequency band is divided into FDD (Frequency Division Duplex, abbreviation FDD) and time division duplex (Time Division Duplex, abbreviation TDD) two types.The communication frequency band of place in the fdd mode, up-downgoing communication link is not using Same frequency, now needs duplexer to be filtered processing to up-downgoing communication signal in radio circuit.Locate in tdd mode Communication frequency band, up-downgoing communication link use identical frequency, carry out the transmission of radiofrequency signal in different time slots, now radio frequency Wave filter is needed to be filtered processing to up-downgoing communication signal in circuit.
Therefore, in practical application, the wave filter quantity and duplexer quantity that filter unit 23 includes are depending on radio frequency is received Send out the dual-mode residing for the radiofrequency signal for each frequency range that device 21 is launched.Frequency range in fdd mode, radio-frequency transmissions port and The connection of radio frequency reception port is duplexer;Frequency range in tdd mode, radio-frequency transmissions port connect with radio frequency reception port It is wave filter.For example, band1, band2 band operation is in fdd mode, the emission port of band1, band2 radiofrequency signal and connect The connection of receiving end mouth is duplexer;And band40, band41 band operation is in tdd mode, band40, band41 radiofrequency signal What emission port connected with receiving port is wave filter.
With reference to figure 6, in certain embodiments, radio frequency switching circuit chip 24 includes first switch 241, second switch 242 And combiner 243.
Wherein, first switch 241 is single pole multiple throw.First switch 241 includes more sub- input ports.For example, the One switch 241 includes 6 sub- input port c1, c2, c3, c4, c5, c6.The output end of first switch 241 can be connected to c1, Any one sub- input port in c2, c3, c4, c5, c6.
Second switch 242 is also single pole multiple throw.Second switch 242 includes more sub- input ports.For example, second opens Closing 242 includes 3 sub- input port c7, c8, c9.The output end of second switch 242 can be connected to any in c7, c8, c9 One sub- input port.
Combiner 243 can be dual-frequency channel merger.The output end of combiner 243 is connected to antenna 25.
It should be noted that above-mentioned annexation only represents to be directly connected between component, do not represent and interconnect Component between be in electrical on-state.
In certain embodiments, sub- input port c1, c2, c3 can connect with the high frequency port in RF transceiver 21 respectively Connect.Sub- input port c4, c5, c6 can be connected with the intermediate frequency port in RF transceiver 21 respectively.Sub- input port c7, c8, C9 can be connected with the low frequency port in RF transceiver 21 respectively.
When switch 241 connect in c1, c2, c3 it is any all the way, switch 242 connect in c7, c8, c9 it is any all the way when, Combiner 243 can realize high-frequency signal and low frequency signal carrier aggregation.
When switch 241 connect in c4, c5, c6 it is any all the way, switch 242 connect in c7, c8, c9 it is any all the way when, Combiner 243 can realize intermediate-freuqncy signal and low frequency signal carrier aggregation.
With reference to figure 7, in certain embodiments, radio frequency switching circuit chip 24 include first switch 241, second switch 242, First wave filter 244, the second wave filter 245, the first impedance regulator 246 and the second impedance regulator 247.
Wherein, first switch 241 is single pole multiple throw.First switch 241 includes more sub- input ports.For example, the One switch 241 includes 6 sub- input port c1, c2, c3, c4, c5, c6.The output end of first switch 241 can be connected to c1, Any one sub- input port in c2, c3, c4, c5, c6.
Second switch 242 is also single pole multiple throw.Second switch 242 includes more sub- input ports.For example, second opens Closing 242 includes 3 sub- input port c7, c8, c9.The output end of second switch 242 can be connected to any in c7, c8, c9 One sub- input port.
Wherein, radio frequency switching circuit chip 24 includes the first output port P1, the second output port P2, and P1 and P2 connects Connect to form the 3rd output port P3.
The output end of first switch 241 is connected to the first wave filter 244.First wave filter 244 is connected to the first impedance tune Save device 246.First impedance regulator 246 is connected to the first output port P1.
The output end of second switch 242 is connected to the second wave filter 245.Second wave filter 245 is connected to the second impedance tune Save device 247.Second impedance regulator 247 is connected to the second output port P2.
First output port P1 is connected with the second output port P2, to form the 3rd output port P3.3rd output port P3 is connected to antenna 25.
Wherein, the first wave filter 244 is high-pass filter.For example, the first wave filter 244 can allow frequency to be higher than 1710MHz (megahertz) radiofrequency signal passes through.Second wave filter 245 is low pass filter.For example, the second wave filter 245 can To allow radiofrequency signal of the frequency less than 1000MHz to pass through.
Wherein, the first wave filter 244, the output impedance of the second wave filter 245 are equal.For example, the first wave filter 244, The output impedance of two wave filters 245 is 50 ohm.First impedance regulator 246, the second impedance regulator 247 are used to adjust jointly The 3rd output port P3 output impedance is saved, to cause the 3rd output port P3 output impedance and the first wave filter 244, second The output impedance of wave filter 245 is equal.
In certain embodiments, the first impedance regulator 246 is electric capacity.Second impedance regulator 247 is also electric capacity.Electric capacity 246th, electric capacity 247 is connected in series with the first wave filter 244, the second wave filter 245 respectively.In certain embodiments, electric capacity 246, Electric capacity 247 can also be connected in parallel with the first wave filter 244, the second wave filter 245 respectively.
In certain embodiments, sub- input port c1, c2, c3 can connect with the high frequency port in RF transceiver 21 respectively Connect.Sub- input port c4, c5, c6 can be connected with the intermediate frequency port in RF transceiver 21 respectively.Sub- input port c7, c8, C9 can be connected with the low frequency port in RF transceiver 21 respectively.
When switch 241 connect in c1, c2, c3, c4, c5, c6 it is any all the way, when switch 242 disconnects, radio frequency switching circuit Chip 24 can realize transmitting-receiving high-frequency signal or intermediate-freuqncy signal by antenna 25.
When switch 241 disconnects, switch 242 connect in c7, c8, c9 it is any all the way when, radio frequency switching circuit chip 24 can To realize transmitting-receiving low frequency signal by antenna 25.
When switch 241 connect in c1, c2, c3 it is any all the way, switch 242 connect in c7, c8, c9 it is any all the way when, Radio frequency switching circuit chip 24 can realize the carrier aggregation signal of transmitting-receiving high-frequency signal and low frequency signal by antenna 25.
When switch 241 connect in c4, c5, c6 it is any all the way, switch 242 connect in c7, c8, c9 it is any all the way when, Radio frequency switching circuit chip 24 can realize transmitting-receiving intermediate-freuqncy signal and the carrier aggregation signal of low frequency signal by antenna 25.
For example, sub- input port c1 can be connected with the high-frequency band band40 emission ports in RF transceiver 21, son Input port c4 can be connected with the intermediate-frequency band band3 emission ports in RF transceiver 21, and sub- input port c7 can be with Low frequency band band12 emission ports connection in RF transceiver 21.
When switch 241 connects c1, and switch 242 disconnects, radio frequency switching circuit chip 24 can be realized by antenna 25 and received Send out band40 radiofrequency signals.
When switch 241 connects c4, and switch 242 disconnects, radio frequency switching circuit chip 24 can be realized by antenna 25 and received Send out band3 radiofrequency signals.
When switch 241 connects c1, and switch 242 connects c7, radio frequency switching circuit chip 24 can be realized by antenna 25 Receive and dispatch band40 and band12 carrier aggregation signal.
When switch 241 connects c4, and switch 242 connects c7, radio frequency switching circuit chip 24 can be realized by antenna 25 Receive and dispatch band3 and band12 carrier aggregation signal.
In certain embodiments, as shown in figure 8, the first impedance regulator 246 is inductance.Second impedance regulator 247 For inductance.Inductance 246, inductance 247 are connected in series with the first wave filter 244, the second wave filter 245 respectively.In some embodiments In, inductance 246, inductance 247 can also be connected in parallel with the first wave filter 244, the second wave filter 245 respectively.
In certain embodiments, in the first impedance regulator 246, the second impedance regulator 247, can one of them for electricity Hold, another is inductance.
In certain embodiments, as shown in figure 9, the first wave filter 244 can connect with the earth point in electronic equipment 100 Connect, to be grounded.Second wave filter 245 can also be connected with the earth point in electronic equipment 100, to be grounded.
With reference to figure 10, in certain embodiments, radio frequency switching circuit chip 24 includes first switch 241, second switch 242nd, the first wave filter 244, the second wave filter 245, the first impedance regulator 246, the second impedance regulator the 247, the 3rd switch 248 and the 4th switch 249.
Wherein, first switch 241 is single pole multiple throw.First switch 241 includes more sub- input ports.For example, the One switch 241 includes 6 sub- input port c1, c2, c3, c4, c5, c6.The output end of first switch 241 can be connected to c1, Any one sub- input port in c2, c3, c4, c5, c6.
Second switch 242 is also single pole multiple throw.Second switch 242 includes more sub- input ports.For example, second opens Closing 242 includes 3 sub- input port c7, c8, c9.The output end of second switch 242 can be connected to any in c7, c8, c9 One sub- input port.
Wherein, radio frequency switching circuit chip 24 includes the first output port P1, the second output port P2, and P1 and P2 connects Connect to form the 3rd output port P3.
First switch 241, the first wave filter 244, the first impedance regulator 246 and the 3rd switch 248 are sequentially connected.Its In, the 3rd switch 248 is single-pole double-throw switch (SPDT).The fixing end of 3rd switch 248 is connected to the first output port P1.Wherein, There is the first common node P4 between one switch 241 and the first wave filter 244.The gating end of 3rd switch 248 is connected respectively to The first common node P4 and the first impedance regulator 246.It should be understood that first common node P4 is only that radio circuit is opened The tie point in chip is closed, represents that the 3rd switch 248, first switch 241, the first wave filter 244 are commonly connected to a bit.
Second switch 242, the second wave filter 245, the second impedance regulator 247 and the 4th switch 249 are sequentially connected.Its In, the 4th switch 249 is single-pole double-throw switch (SPDT).The fixing end of 4th switch 249 is connected to the second output port P2.Wherein, There is the second common node P5 between two switches 242 and the second wave filter 245.The gating end of 4th switch 249 is connected respectively to The second common node P5 and the second impedance regulator 247.It should be understood that second common node P5 is only that radio circuit is opened The tie point in chip is closed, represents that the 4th switch 249, second switch 242, the second wave filter 245 are commonly connected to a bit.
First output port P1 is connected with the second output port P2, to form the 3rd output port P3.3rd output port P3 is connected to antenna 25.
Wherein, the first wave filter 244 is high-pass filter.For example, the first wave filter 244 can allow frequency to be higher than 1710MHz (megahertz) radiofrequency signal passes through.Second wave filter 245 is low pass filter.For example, the second wave filter 245 can To allow radiofrequency signal of the frequency less than 1000MHz to pass through.
Wherein, the first wave filter 244, the output impedance of the second wave filter 245 are equal.For example, the first wave filter 244, The output impedance of two wave filters 245 is 50 ohm.First impedance regulator 246, the second impedance regulator 247 are used to adjust jointly The 3rd output port P3 output impedance is saved, to cause the 3rd output port P3 output impedance and the first wave filter 244, second The output impedance of wave filter 245 is equal.
In certain embodiments, the first impedance regulator 246 is inductance.Second impedance regulator 247 is also inductance.Inductance 246th, inductance 247 is connected in series with the first wave filter 244, the second wave filter 245 respectively.In certain embodiments, inductance 246, Inductance 247 can also be connected in parallel with the first wave filter 244, the second wave filter 245 respectively.
In certain embodiments, sub- input port c1, c2, c3 can connect with the high frequency port in RF transceiver 21 respectively Connect.Sub- input port c4, c5, c6 can be connected with the intermediate frequency port in RF transceiver 21 respectively.Sub- input port c7, c8, C9 can be connected with the low frequency port in RF transceiver 21 respectively.
When switch 241 connect in c1, c2, c3, c4, c5, c6 it is any all the way, the 3rd switch 248 connects the first public knots Point P4, when switch 242 disconnects, radio frequency switching circuit chip 24 can realize that transmitting-receiving high-frequency signal or intermediate frequency are believed by antenna 25 Number.
When switch 241 disconnects, switch 242 connect in c7, c8, c9 it is any all the way, it is public that the 4th switch 249 connects second During node P5, radio frequency switching circuit chip 24 can realize transmitting-receiving low frequency signal by antenna 25.
When switch 241 connect in c1, c2, c3 it is any all the way, switch 242 connect in c7, c8, c9 it is any all the way, the Three switches 248 connect the first wave filter 244 and the first impedance regulator 246, and the 4th switch 249 connects the He of the second wave filter 245 During the second impedance regulator 247, radio frequency switching circuit chip 24 can realize that transmitting-receiving high-frequency signal is believed with low frequency by antenna 25 Number carrier aggregation signal.
When switch 241 connect in c4, c5, c6 it is any all the way, switch 242 connect in c7, c8, c9 it is any all the way, the Three switches 248 connect the first wave filter 244 and the first impedance regulator 246, and the 4th switch 249 connects the He of the second wave filter 245 During the second impedance regulator 247, radio frequency switching circuit chip 24 can realize that transmitting-receiving intermediate-freuqncy signal is believed with low frequency by antenna 25 Number carrier aggregation signal.
For example, sub- input port c1 can be connected with the high-frequency band band40 emission ports in RF transceiver 21, son Input port c4 can be connected with the intermediate-frequency band band3 emission ports in RF transceiver 21, and sub- input port c7 can be with Low frequency band band12 emission ports connection in RF transceiver 21.
When switch 241 connects c1, switch 242 disconnects, when the 3rd switch 248 connects the first common node P4, radio circuit Switch chip 24 can realize transmitting-receiving band40 radiofrequency signals by antenna 25.
When switch 241 connects c4, switch 242 disconnects, when the 3rd switch 248 connects the first common node P4, radio circuit Switch chip 24 can realize transmitting-receiving band3 radiofrequency signals by antenna 25.
When switch 241 connects c1, switch 242 connects c7, and the 3rd switch 248 connects the first wave filter 244 and the first impedance Adjuster 246, when the 4th switch 249 connects the second wave filter 245 and the second impedance regulator 247, radio frequency switching circuit chip 24 can realize transmitting-receiving band40 and band12 carrier aggregation signal by antenna 25.
When switch 241 connects c4, switch 242 connects c7, and the 3rd switch 248 connects the first wave filter 244 and the first impedance Adjuster 246, when the 4th switch 249 connects the second wave filter 245 and the second impedance regulator 247, radio frequency switching circuit chip 24 can realize transmitting-receiving band3 and band12 carrier aggregation signal by antenna 25.
It is understood that when radio frequency switching circuit chip 24 realizes that transmitting-receiving high-frequency signal or intermediate frequency are believed by antenna 25 Number, the 3rd switch 248 connects the first common node P4, and now high-frequency signal or intermediate-freuqncy signal need not move through the first wave filter 244 With the first impedance regulator 246, therefore the impedance of circuit can be reduced, improve the stability of high-frequency signal and intermediate-freuqncy signal.
When radio frequency switching circuit chip 24 realizes transmitting-receiving low frequency signal by antenna 25, the 4th switch 249 connects second Common node P5, now low frequency signal needs not move through the second wave filter 245 and the second impedance regulator 247, therefore can also drop The impedance of low circuit, improve the stability of low frequency signal.
In certain embodiments, with reference to figure 11, radio frequency switching circuit chip 24 also includes the 5th switch 248a and the 6th and opened Close 249a.Wherein, the 5th switch 248a, the 6th switch 249a are single-pole double-throw switch (SPDT).
Wherein, the 5th switch 248a fixing end is connected to the first common node P4, the 5th switch 248a gating end point The first wave filter 244 and the 3rd switch 248 are not connected to.
6th switch 249a fixing end is connected to the second common node P5, and the 6th switch 249a gating end connects respectively In the second wave filter 245 and the 4th switch 249.
When radio frequency switching circuit chip 24 receives and dispatches high-frequency signal or low frequency signal, the first common node P4 opens via the 5th Close 248a and be connected to the 3rd switch 248, now the first wave filter 244 and the first impedance regulator 246 are off, so as to High-frequency signal or low frequency signal will not be output to the first wave filter 244 and the first impedance regulator 246, can avoid the first filtering The impedance regulator 246 of device 244 and first increases the impedance of radio circuit 200.
When radio frequency switching circuit chip 24 receives and dispatches low frequency signal, the second common node P5 is via the 6th switch 249a connections To the 4th switch 249, now the second wave filter 245 and the second impedance regulator 247 are off, so that low frequency signal is not The second wave filter 245 and the second impedance regulator 247 can be output to, the second wave filter 245 and the second impedance can be avoided to adjust Device 247 increases the impedance of radio circuit 200.
With reference to figure 12, in certain embodiments, radio frequency switching circuit chip 24 includes first switch 241, second switch 242nd, the first wave filter 244, the second wave filter 245, the first impedance regulator 246 and the second impedance regulator 247.
Wherein, first switch 241 is single pole multiple throw.First switch 241 includes more sub- input ports.For example, the One switch 241 includes 6 sub- input port c1, c2, c3, c4, c5, c6.The output end of first switch 241 can be connected to c1, Any one sub- input port in c2, c3, c4, c5, c6.
Second switch 242 is also single pole multiple throw.Second switch 242 includes more sub- input ports.For example, second opens Closing 242 includes 3 sub- input port c7, c8, c9.The output end of second switch 242 can be connected to any in c7, c8, c9 One sub- input port.
Wherein, radio frequency switching circuit chip 24 includes the first output port P1, the second output port P2.First output port It is off-state between P1 and the second output port P2.
The output end of first switch 241 is connected to the first wave filter 244.First wave filter 244 is connected to the first impedance tune Save device 246.First impedance regulator 246 is connected to the first output port P1.
The output end of second switch 242 is connected to the second wave filter 245.Second wave filter 245 is connected to the second impedance tune Save device 247.Second impedance regulator 247 is connected to the second output port P2.
Wherein, antenna 25 includes the first sub-antenna 251 and the second sub-antenna 252.First sub-antenna 251 and the first output end Mouth P1 connections, the second sub-antenna 252 are connected with the second output port P2.
Wherein, the first wave filter 244 is high-pass filter.For example, the first wave filter 244 can allow frequency to be higher than 1710MHz (megahertz) radiofrequency signal passes through.Second wave filter 245 is low pass filter.For example, the second wave filter 245 can To allow radiofrequency signal of the frequency less than 1000MHz to pass through.
Wherein, the first wave filter 244, the second wave filter 245 output impedance can be equal, can not also wait.
In certain embodiments, the first impedance regulator 246 is electric capacity.Second impedance regulator 247 is also electric capacity.Electric capacity 246th, electric capacity 247 is connected in series with the first wave filter 244, the second wave filter 245 respectively.In certain embodiments, electric capacity 246, Electric capacity 247 can also be connected in parallel with the first wave filter 244, the second wave filter 245 respectively.
In certain embodiments, the impedance of the first impedance regulator 246 can be zero.The resistance of second impedance regulator 247 Anti- can also be zero.
In certain embodiments, sub- input port c1, c2, c3 can connect with the high frequency port in RF transceiver 21 respectively Connect.Sub- input port c4, c5, c6 can be connected with the intermediate frequency port in RF transceiver 21 respectively.Sub- input port c7, c8, C9 can be connected with the low frequency port in RF transceiver 21 respectively.
When switch 241 connect in c1, c2, c3, c4, c5, c6 it is any all the way when, radio frequency switching circuit chip 24 can lead to Cross sub-antenna 251 and realize transmitting-receiving high-frequency signal or intermediate-freuqncy signal.
When switch 242 connect in c7, c8, c9 it is any all the way when, radio frequency switching circuit chip 24 can pass through sub-antenna 252 realize transmitting-receiving low frequency signal.
With reference to figure 13, Figure 13 is the structural representation of radio circuit 200.Wherein, RF transceiver 21 includes 9 radio frequencies hairs Penetrate port a1, a2, a3, a4, a5, a6, a7, a8, a9, and 9 radio frequency reception port b1, b2, b3, b4, b5, b6, b7, b8, b9。
Wherein, a1, a2, a3 are high-frequency emission port, for launch high frequency radio signals (for example, band7, band40, The radiofrequency signal of the frequency ranges such as band41).B1, b2, b3 are high-frequency reception port, for receiving high frequency radio signals.a4、a5、a6 For intermediate frequency emission port, for emission medium-frequency radiofrequency signal (for example, radiofrequency signal of the frequency range such as band1, band2, band3). B4, b5, b6 are medium frequency reception port, for receiving intermediate frequency radiofrequency signal.A7, a8, a9 are low frequencies port, low for launching Frequency radiofrequency signal (for example, radiofrequency signal of the frequency range such as band8, band12, band20).B7, b8, b9 are low frequency reception port, For receiving low frequency radio frequency signal.
It should be noted that above-described embodiment is only with the high frequency port of RF transceiver 21, intermediate frequency port, low frequency port point It Bao Kuo not illustrated exemplified by 3 radio-frequency transmissions ports and 3 radio frequency reception ports.In some other embodiment, front end Mouth, intermediate frequency port, low frequency port can also include the radio-frequency transmissions port and radio frequency reception port of other quantity respectively.It need to only expire Each included radio-frequency transmissions port is identical with the quantity of radio frequency reception port for sufficient high frequency port, intermediate frequency port, low frequency port And more than 1.
Power amplification unit 22 includes 9 amplifiers 221,222,223,224,225,226,227,228,229.Wherein, Amplifier 221,222,223,224,225,226,227,228,229 respectively the radio-frequency transmissions port a1 with RF transceiver 21, A2, a3, a4, a5, a6, a7, a8, a9 are connected.
Filter unit 23 includes 9 duplexers 231,232,233,234,235,236,237,238,239.Wherein, it is duplexing Device 231,232,233,234,235,236,237,238,239 respectively with amplifier 221,222,223,224,225,226,227, 228th, 229 connection.Also, duplexer 231,232,233,234,235,236,237,238,239 respectively with RF transceiver 21 Radio frequency reception port b1, b2, b3, b4, b5, b6, b7, b8, b9 connection.
Radio frequency switching circuit chip 24 includes first switch 241, second switch 242, the filtering of the first wave filter 244, second Device 245, the first impedance regulator 246 and the second impedance regulator 247.
Wherein, first switch 241 is single pole multiple throw.First switch 241 includes more sub- input ports.For example, the One switch 241 includes 6 sub- input port c1, c2, c3, c4, c5, c6.The output end of first switch 241 can be connected to c1, Any one sub- input port in c2, c3, c4, c5, c6.
Second switch 242 is also single pole multiple throw.Second switch 242 includes more sub- input ports.For example, second opens Closing 242 includes 3 sub- input port c7, c8, c9.The output end of second switch 242 can be connected to any in c7, c8, c9 One sub- input port.
Wherein, sub- input port c1, c2, c3, c4, c5, c6, c7, c8, c9 respectively with duplexer 231,232,233,234, 235th, 236,237,238,239 connection.
Wherein, radio frequency switching circuit chip 24 includes the first output port P1, the second output port P2, and P1 and P2 connects Connect to form the 3rd output port P3.
The output end of first switch 241 is connected to the first wave filter 244.First wave filter 244 is connected to the first impedance tune Save device 246.First impedance regulator 246 is connected to the first output port P1.
The output end of second switch 242 is connected to the second wave filter 245.Second wave filter 245 is connected to the second impedance tune Save device 247.Second impedance regulator 247 is connected to the second output port P2.
First output port P1 is connected with the second output port P2, to form the 3rd output port P3.3rd output port P3 is connected to antenna 25.
Wherein, the first wave filter 244 is high-pass filter.For example, the first wave filter 244 can allow frequency to be higher than 1710MHz (megahertz) radiofrequency signal passes through.Second wave filter 245 is low pass filter.For example, the second wave filter 245 can To allow radiofrequency signal of the frequency less than 1000MHz to pass through.
Wherein, the first wave filter 244, the output impedance of the second wave filter 245 are equal.For example, the first wave filter 244, The output impedance of two wave filters 245 is 50 ohm.First impedance regulator 246, the second impedance regulator 247 are used to adjust jointly The 3rd output port P3 output impedance is saved, to cause the 3rd output port P3 output impedance and the first wave filter 244, second The output impedance of wave filter 245 is equal.
In certain embodiments, the first impedance regulator 246 is electric capacity.Second impedance regulator 247 is also electric capacity.Electric capacity 246th, electric capacity 247 is connected in series with the first wave filter 244, the second wave filter 245 respectively.In certain embodiments, electric capacity 246, Electric capacity 247 can also be connected in parallel with the first wave filter 244, the second wave filter 245 respectively.
When switch 241 connect in c1, c2, c3, c4, c5, c6 it is any all the way, when switch 242 disconnects, radio frequency switching circuit Chip 24 can realize transmitting-receiving high-frequency signal or intermediate-freuqncy signal by antenna 25.
When switch 241 disconnects, switch 242 connect in c7, c8, c9 it is any all the way when, radio frequency switching circuit chip 24 can To realize transmitting-receiving low frequency signal by antenna 25.
When switch 241 connect in c1, c2, c3 it is any all the way, switch 242 connect in c7, c8, c9 it is any all the way when, Radio frequency switching circuit chip 24 can realize the carrier aggregation signal of transmitting-receiving high-frequency signal and low frequency signal by antenna 25.
When switch 241 connect in c4, c5, c6 it is any all the way, switch 242 connect in c7, c8, c9 it is any all the way when, Radio frequency switching circuit chip 24 can realize transmitting-receiving intermediate-freuqncy signal and the carrier aggregation signal of low frequency signal by antenna 25.
For example, sub- input port c1 can be connected with the high-frequency band band40 emission ports in RF transceiver 21, son Input port c4 can be connected with the intermediate-frequency band band3 emission ports in RF transceiver 21, and sub- input port c7 can be with Low frequency band band12 emission ports connection in RF transceiver 21.
When switch 241 connects c1, and switch 242 disconnects, radio frequency switching circuit chip 24 can be realized by antenna 25 and received Send out band40 radiofrequency signals.
When switch 241 connects c4, and switch 242 disconnects, radio frequency switching circuit chip 24 can be realized by antenna 25 and received Send out band3 radiofrequency signals.
When switch 241 connects c1, and switch 242 connects c7, radio frequency switching circuit chip 24 can be realized by antenna 25 Receive and dispatch band40 and band12 carrier aggregation signal.
When switch 241 connects c4, and switch 242 connects c7, radio frequency switching circuit chip 24 can be realized by antenna 25 Receive and dispatch band3 and band12 carrier aggregation signal.
In the embodiment of the present invention, radio frequency switching circuit chip 24 can control first switch 241 to connect RF transceiver 21 High frequency port or intermediate frequency port, while second switch 242 disconnects, to receive and dispatch high-frequency signal or intermediate-freuqncy signal;Can be controlled One switch 241 disconnects, while second switch 242 connects the low frequency port of RF transceiver 21, to receive and dispatch low frequency signal;It can control First switch 241 processed connects high frequency port or the intermediate frequency port of RF transceiver 21, while second switch 242 connects radio-frequency receiving-transmitting The low frequency port of device 21, to receive and dispatch the carrier aggregation signal of high-frequency signal and low frequency signal, or transmitting-receiving intermediate-freuqncy signal is believed with low frequency Number carrier aggregation signal.Radio frequency switching circuit chip 24 can control antenna 25 to receive and dispatch the different frequency ranges such as high frequency, intermediate frequency, low frequency Radiofrequency signal, can also control antenna 25 receive and dispatch different frequency range carrier aggregation signal, received so as to improve electronic equipment 100 Send out the diversity of radiofrequency signal.
With continued reference to Fig. 1.Wherein, housing 104 is used for the exterior contour for forming electronic equipment 100.The material of housing 104 can Think plastics or metal.Housing 104 can be integrally formed.
With reference to figure 14, Figure 14 is another structural representation of electronic equipment 100 provided in an embodiment of the present invention.Electronic equipment 100 include antenna assembly 10, memory 20, display unit 30, power supply 40 and processor 50.Those skilled in the art can manage Solve, the structure of the electronic equipment 100 shown in Figure 14 does not form the restriction to electronic equipment 100.Electronic equipment 100 can wrap Include than illustrating more or less parts, either combine some parts or different parts arrangement.
Wherein, antenna assembly 10 includes the radio circuit 200 described in any of the above-described embodiment.Antenna assembly 10 can be with Communicated by wireless network with the network equipment (for example, server) or other electronic equipments (for example, smart mobile phone), completion and net Information transmit-receive between network equipment or other electronic equipments.
Memory 20 can be used for storage application program and data.Include in the application program that memory 20 stores executable Program code.Application program can form various functions module.Processor 50 is stored in the application journey of memory 20 by operation Sequence, so as to perform various function application and data processing.
Display unit 30 can be used for display by user is input to the information of electronic equipment 100 or is supplied to user information with And the various graphical user interface of electronic equipment 100.These graphical user interface can by figure, text, icon, video and its It is combined to form.Display unit 30 may include display panel.
The all parts that power supply 40 is used for electron equipment 100 are powered.In certain embodiments, power supply 40 can pass through electricity Management system and processor 50 are logically contiguous, so as to realize management charging, electric discharge and power consumption pipe by power-supply management system The functions such as reason.
Processor 50 is the control centre of electronic equipment 100.Processor 50 is entirely electric using various interfaces and connection The various pieces of sub- equipment 100, by running or performing the application program being stored in memory 20, and call and be stored in Data in reservoir 20, the various functions and processing data of electronic equipment 100 are performed, so as to carry out entirety to electronic equipment 100 Monitoring.
In addition, electronic equipment 100 can also include camera module, bluetooth module etc., will not be repeated here.
Above to radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment provided in an embodiment of the present invention It is described in detail, specific case used herein is set forth to the principle and embodiment of the present invention, and the above is real The explanation for applying example is only intended to help and understands the present invention.Meanwhile for those skilled in the art, according to the thought of the present invention, There will be changes in specific embodiments and applications, in summary, this specification content should not be construed as to this The limitation of invention.

Claims (15)

1. a kind of radio circuit, it is characterised in that described to penetrate including RF transceiver, radio frequency switching circuit chip and antenna Frequency transceiver, radio frequency switching circuit chip and antenna are sequentially connected;
The radio frequency switching circuit chip includes first switch, second switch, third switch, the 4th switch, the first wave filter, the Two wave filters, the first impedance regulator and the second impedance regulator, the first switch connect the height of the RF transceiver Frequency port and intermediate frequency port, the second switch connect the low frequency port of the RF transceiver, and the 3rd switch, the 4th open Pass is all connected with the antenna;
The first switch, the first wave filter, the first impedance regulator, the 3rd switch are sequentially connected, and the first switch, First wave filter, the 3rd switch are connected to the first common node;
The second switch, the second wave filter, the second impedance regulator, the 4th switch are sequentially connected, and the second switch, Second wave filter, the 4th switch are connected to the second common node;
When first switch connection, the first common node described in the 3rd switch connection, and the second switch disconnects When, the radio circuit receives and dispatches high-frequency signal or intermediate-freuqncy signal;
When second switch connection, the second common node described in the 4th switch connection, and the first switch disconnects When, the radio circuit receives and dispatches low frequency signal;
When the first switch, second switch are also turned on, the first wave filter and described first described in the 3rd switch connection Impedance regulator, when the second wave filter described in the 4th switch connection and second impedance regulator, the radio circuit Receive and dispatch carrier aggregation signal, the carrier aggregation signal is the carrier aggregation signal of high-frequency signal and low frequency signal, or intermediate frequency letter Carrier aggregation signal number with low frequency signal.
2. radio circuit according to claim 1, it is characterised in that the radio frequency switching circuit chip is also opened including the 5th Close and the 6th switchs;
The fixing end of 5th switch is connected to first common node, and the gating end of the 5th switch is connected to First wave filter and the 3rd switch;
The fixing end of 6th switch is connected to second common node, and the gating end of the 6th switch is connected to Second wave filter and the 4th switch.
3. radio circuit according to claim 2, it is characterised in that the described 3rd switchs, the 4th switchs, the 5th switchs, 6th switch is single-pole double-throw switch (SPDT).
4. according to the radio circuit described in any one of claims 1 to 3, it is characterised in that the radio frequency switching circuit chip tool There are the first output port and the second output port, first output port and the second output port are all connected with the antenna, institute State the 3rd switch and the 4th switch is respectively connecting to first output port and the second output port.
5. radio circuit according to claim 4, it is characterised in that first output port and the second output port connect Connect, to form the 3rd output port, the 3rd output port connects the antenna.
6. radio circuit according to claim 5, it is characterised in that the output impedance of first wave filter and described the The output impedance of two wave filters is equal, output impedance and first wave filter, the second wave filter of the 3rd output port Output impedance it is equal.
7. according to the radio circuit described in any one of claims 1 to 3, it is characterised in that first wave filter, the second filtering Device is grounded respectively.
8. according to the radio circuit described in any one of claims 1 to 3, it is characterised in that first impedance regulator is electricity Sense or electric capacity.
9. according to the radio circuit described in any one of claims 1 to 3, it is characterised in that second impedance regulator is electricity Sense or electric capacity.
10. according to the radio circuit described in any one of claims 1 to 3, it is characterised in that the first switch, second switch It is single pole multiple throw.
11. according to the radio circuit described in any one of claims 1 to 3, it is characterised in that the high frequency port includes N1It is individual not With the sub- emission port and N of frequency range1The sub- receiving port of individual different frequency range, the input of the first switch include N1Individual height Frequently sub- input port, the N1Individual sub- emission port and the N1The individual sub- input port of high frequency connects one by one, the N1Height receives Port and the N1The individual sub- input port of high frequency connects one by one;
The intermediate frequency port includes N2The sub- emission port and N of individual different frequency range2The sub- receiving port of individual different frequency range, it is described The input of first switch also includes N2The individual sub- input port of intermediate frequency, the N2Individual sub- emission port and the N2Individual intermediate frequency is defeated Inbound port connects one by one, the N2Individual sub- receiving port and the N2The individual sub- input port of intermediate frequency connects one by one;
The low frequency port includes N3The sub- emission port and N of individual different frequency range3The sub- receiving port of individual different frequency range, it is described The input of second switch includes N3The individual sub- input port of low frequency, the N3Individual sub- emission port and the N3Individual low frequency input Port connects one by one, the N3Individual sub- receiving port and the N3The individual sub- input port of low frequency connects one by one;
Wherein, N1、N2、N3It is the natural number more than 1.
12. radio circuit according to claim 11, it is characterised in that each sub- emission port of the high frequency port Between each corresponding sub- input port of high frequency of the first switch, each sub- emission port of the intermediate frequency port with Between each corresponding sub- input port of intermediate frequency of the first switch, each sub- emission port of the low frequency port and institute State and be respectively connected with power amplifier between each corresponding sub- input port of low frequency of first switch.
13. radio circuit according to claim 11, it is characterised in that each sub- emission port of the high frequency port Between each corresponding sub- input port of high frequency of the first switch, each sub- emission port of the intermediate frequency port with Between each corresponding sub- input port of intermediate frequency of the first switch, each sub- emission port of the low frequency port and institute State and be respectively connected with duplexer or wave filter between each corresponding sub- input port of low frequency of first switch.
14. a kind of antenna assembly, it is characterised in that the antenna assembly includes the radio frequency described in any one of claim 1 to 13 Circuit.
15. a kind of electronic equipment, it is characterised in that the electronic equipment includes housing and circuit board, and the circuit board is arranged on The enclosure interior, radio circuit is provided with the circuit board, and the radio circuit is described in any one of claim 1 to 13 Radio circuit.
CN201710526579.9A 2017-06-30 2017-06-30 Radio circuit, antenna assembly and electronic equipment Pending CN107359894A (en)

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CN108768433A (en) * 2018-05-22 2018-11-06 Oppo广东移动通信有限公司 Radio circuit and electronic equipment
CN108880571A (en) * 2018-05-22 2018-11-23 Oppo广东移动通信有限公司 Radio circuit and electronic equipment
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CN105376872A (en) * 2014-08-15 2016-03-02 中兴通讯股份有限公司 Method and terminal supporting carrier aggregation
CN204761429U (en) * 2015-06-24 2015-11-11 陈林 Terminal device
CN105162491A (en) * 2015-09-22 2015-12-16 广东欧珀移动通信有限公司 Antenna and control method for radiofrequency signals transmitted by antenna
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CN108173552A (en) * 2018-01-10 2018-06-15 广东欧珀移动通信有限公司 Radio frequency switching circuit chip, radio circuit and electronic equipment
CN108768433A (en) * 2018-05-22 2018-11-06 Oppo广东移动通信有限公司 Radio circuit and electronic equipment
CN108880571A (en) * 2018-05-22 2018-11-23 Oppo广东移动通信有限公司 Radio circuit and electronic equipment
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Application publication date: 20171117