CN107171672A - A kind of radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment - Google Patents

A kind of radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment Download PDF

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Publication number
CN107171672A
CN107171672A CN201710327335.8A CN201710327335A CN107171672A CN 107171672 A CN107171672 A CN 107171672A CN 201710327335 A CN201710327335 A CN 201710327335A CN 107171672 A CN107171672 A CN 107171672A
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CN
China
Prior art keywords
frequency
port
switch
radio
input
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Pending
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CN201710327335.8A
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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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Priority to CN201710327335.8A priority Critical patent/CN107171672A/en
Publication of CN107171672A publication Critical patent/CN107171672A/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
    • H04B1/005Details 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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053Details 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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/0057Details 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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
    • 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
    • H04B1/005Details 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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053Details 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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/006Details 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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
    • 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
    • H04B1/401Circuits for selecting or indicating operating mode

Abstract

The embodiment of the invention discloses a kind of radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment, the radio frequency switching circuit chip includes first switch, second switch, power amplifier and combiner, the input of first switch includes intermediate frequency port and high frequency port, intermediate frequency port is used to receive and dispatch intermediate frequency radiofrequency signal, high frequency port is used to receive and dispatch high frequency radio signals, the input of second switch includes low frequency port, low frequency port is used to receive and dispatch low frequency radio frequency signal, power amplifier is connected with the input port of first switch and second switch, combiner be used for by first switch and second switch be selectively turned on realize low frequency signal and intermediate-freuqncy signal carrier aggregation or low frequency signal and high-frequency signal carrier aggregation.The present invention can control the radiofrequency signal of different frequency range to carry out carrier aggregation by radio frequency switching circuit chip, so as to improve the diversity that electronic equipment carries out carrier aggregation to radiofrequency signal.

Description

A kind of radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment
Technical field
The present invention relates to moving communicating field, and in particular to a kind of radio frequency switching circuit chip, radio circuit, antenna assembly And electronic equipment.
Background technology
With the development of terminal technology, mobile terminal has begun to simply provide verbal system from the past and become one gradually The platform of individual common software operation.The platform is no longer to provide call management as main purpose, and being to provide one includes call Running environment including management, Entertainment, office account, the types of applications software such as mobile payment, with substantial amounts of popularization, Every aspect through life deeply to people, work.
At present, 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.What mobile terminal can be supported penetrates Frequency signal can be divided into low frequency signal, intermediate-freuqncy signal and high-frequency signal.Wherein, low frequency signal, intermediate-freuqncy signal and high-frequency signal Each again including multiple sub-band signals.Each sub-band signals are required for being transmitted into the external world by antenna.
Multiple sub-band signals can be aggregated in one by carrier aggregation (Carrier Aggregation, abbreviation CA) technology Rise, to improve network up and down transmission rate.However, the frequency resource of each global Communications Market is different.Different zones Common carrier possess different communication spectrums distribution, therefore also there is the frequency range requirements of combination of different carrier aggregations.
From the foregoing, it will be observed that the frequency range that current carrier aggregation can be polymerize is single, lack of diversity, it is impossible to meet above-mentioned Demand.
The content of the invention
The embodiment of the present invention provides a kind of radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment, can be with Improve the diversity that electronic equipment carries out carrier aggregation to radiofrequency signal.
In a first aspect, the embodiment of the present invention provides a kind of radio frequency switching circuit chip, including:First switch, second switch, Power amplifier and combiner;Wherein
The input of the first switch includes intermediate frequency port and high frequency port, and the intermediate frequency port is penetrated for receiving and dispatching intermediate frequency Frequency signal, the high frequency port is used to receive and dispatch high frequency radio signals;
The input of the second switch includes low frequency port, and the low frequency port is used to receive and dispatch low frequency radio frequency signal;
The power amplifier, is connected with the input port of the first switch and second switch;
The combiner, for by the first switch and second switch be selectively turned on realize low frequency signal with Frequency signal carrier polymerize or low frequency signal and high-frequency signal carrier aggregation.
Second aspect, the embodiment of the present invention additionally 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, power amplifier and combiner;Wherein
The input of the first switch includes intermediate frequency port and high frequency port, and the intermediate frequency port is penetrated for receiving and dispatching intermediate frequency Frequency signal, the high frequency port is used to receive and dispatch high frequency radio signals;
The input of the second switch includes low frequency port, and the low frequency port is used to receive and dispatch low frequency radio frequency signal;
The power amplifier, is connected with the input port of the first switch and second switch;
The combiner, for by the first switch and second switch be selectively turned on realize low frequency signal with Frequency signal carrier polymerize or low frequency signal and high-frequency signal carrier aggregation.
The third aspect, the present invention also provides a kind of antenna assembly, including above-mentioned radio circuit.
Fourth aspect, the present invention also provides a kind of electronic equipment, including housing and circuit board, and the circuit board is arranged on the shell Radio circuit is provided with internal portion, the circuit board, the radio circuit is above-mentioned radio circuit.
Radio frequency switching circuit chip provided in an embodiment of the present invention, can control the radiofrequency signal of different frequency range to carry out carrier wave Polymerization, so as to improve the diversity that electronic equipment carries out carrier aggregation to radiofrequency signal.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment Accompanying drawing is briefly described, it should be apparent 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 decomposing schematic representation of electronic equipment provided in an embodiment of the present invention.
Fig. 2 is the structural representation of electronic equipment provided in an embodiment of the present invention.
Fig. 3 is the first structural representation of radio circuit provided in an embodiment of the present invention.
Fig. 4 is second of structural representation of radio circuit provided in an embodiment of the present invention.
Fig. 5 is the third 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 circuit provided in an embodiment of the present invention.
Figure 10 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 is described.Obviously, described embodiment is only a part of embodiment of the 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, to be for only for ease of The description present invention and simplified description, rather than indicate or imply that the device or element of meaning must have 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 indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic. Thus, " first " is defined, one or more feature can be expressed or be implicitly included to the feature of " second ". 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 direct contact but by 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 Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height 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 merely illustrative, 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 discussed various embodiments itself are not indicated and/or are set Relation.In addition, the invention provides various specific techniques and material example, 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 Fig. 1 and Fig. 2, electronic equipment 100 includes cover plate 101, display screen 102, circuit board 103, battery 104 and housing 105.
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 the glass cover-plate being made of materials such as sapphires.
Display screen 102 is arranged on housing 105, 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 105.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 figure 3, radio circuit 200 includes RF transceiver 21, filter unit 23, radio frequency Contactor chip 24 and antenna 25.Wherein, filter unit 23, radio frequency switching circuit chip 24 and antenna 25 connect successively Connect.
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.
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.
The upward signal that antenna 25 is used to send RF transceiver 21 is 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, radio circuit 200 can also include control circuit.Wherein, control circuit and radio circuit Switch chip 24 is connected.Control circuit can also be connected with the processor in electronic equipment 100, with the instruction control according to processor The state of radio frequency switching circuit chip 24 processed.
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 is 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 be 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.Only need to meet high frequency port 21H, intermediate frequency port 21M, low frequency port 21L each included by radio-frequency transmissions Port is identical with the quantity of radio frequency reception port and more than 1.
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 the radio-frequency transmissions port a1 of RF transceiver 21, a2, A3, a4, a5, a6, a7, a8, a9 are connected.Also, duplexer 231,232,233,234,235,236,237,238,239 respectively with Radio frequency reception port b1, b2, b3, b4, b5, b6, b7, b8, b9 connection of RF transceiver 21.
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.
Wherein, above-mentioned filter unit 23 can also include the wave filter and duplexer of other quantity, as shown in figure 5, the filter Ripple unit 23 can include 4 wave filters and 5 duplexers.
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 uses identical frequency, carries 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 received depending on radio frequency 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 and the connection of radio frequency reception port It is wave filter.
With reference to Fig. 6, in certain embodiments, radio frequency switching circuit chip 24 include first switch 241, second switch 242, 3rd switch 243, power amplification unit 22 and combiner 244.
Wherein, first switch 241, the switch of second switch the 242, the 3rd 243 are single pole multiple throw.For example, first opens Closing 241 includes 3 sub- input port c1, c2, c3, and second switch 242 includes 3 sub- input port c4, c5, c6, the 3rd switch 243 include 3 sub- input port c7, c8, c9.First switch 241, the output end of the switch of second switch the 242, the 3rd 243 connect It is connected to the input of combiner 244.
Power amplification unit 22 includes 9 amplifiers 221,222,223,224,225,226,227,228,229, respectively with Sub- input port c1, c2, c3, c4, c5, c6, c7, c8, c9 connection.
Combiner 244 can be tri-frequency combiner.The output end of combiner 244 is connected to antenna 25.
It should be noted that above-mentioned annexation only represents being 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 c4, c5, c6 it is any all the way, open When closing 243 disconnection, combiner 244 can realize high-frequency signal and intermediate-freuqncy signal carrier aggregation.
When switch 241 connect in c1, c2, c3 it is any switch 242 disconnects all the way, switch 243 is connected in c7, c8, c9 When arbitrarily all the way, combiner 244 can realize high-frequency signal and low frequency signal carrier aggregation.
When switch 241 disconnects, switch 242 connect in c4, c5, c6 it is any all the way, switch 243 is connected in c7, c8, c9 When arbitrarily all the way, combiner 244 can realize intermediate-freuqncy signal and low frequency signal carrier aggregation.
When switch 241 connect in c1, c2, c3 it is any all the way, switch 242 connect in c4, c5, c6 it is any all the way, open Close 243 connect in c7, c8, c9 it is any all the way when, combiner 244 can realize high-frequency signal, intermediate-freuqncy signal and low frequency signal Carrier aggregation.
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 connects c4, and combiner 244 can realize that band40 and band3 carrier wave gathers Close.
Further, when switching 243 connection c7, combiner 244 can realize band40, band3, band12 carrier wave Polymerization.
When switch 241 connect c1, switch 242 disconnect, switch 243 connect c7 when, combiner 244 can realize band40 with Band12 carrier aggregation.
When switch 241 disconnect, switch 242 connect c4, switch 243 connect c7, combiner 244 can realize band3 with Band12 carrier aggregation.
With reference to Fig. 7, in this embodiment, radio frequency switching circuit chip 24 includes first switch 245, second switch 246, work( Rate amplifying unit 22 and combiner 244.
Wherein, first switch 245, second switch 246 are single pole multiple throw.For example, first switch 245 includes 6 Sub- input port c1, c2, c3, c4, c5, c6, second switch 246 include 3 sub- input port c7, c8, c9.First switch 245, Second switch 246 is connected with the input of the combiner 244.
When first switch 245 connect c1, c2, c3 it is any all the way, second switch 246 connects any one of c7, c8, c9 Road, combiner 244 can realize high-frequency signal and low frequency signal carrier aggregation;
When first switch 245 connect c4, c5, c6 it is any all the way, second switch 246 connects any one of c7, c8, c9 Road, combiner 244 can realize intermediate-freuqncy signal and low frequency signal carrier aggregation.
As shown in figure 8, in certain embodiments, first switch 245 and second switch 246 can encapsulate to form switch chip 247。
Wherein, above-mentioned combiner 244 can be dual-frequency channel merger, and the output end of combiner 244 is linked to antenna 25.
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.
With reference to Fig. 9, Fig. 9 is the structural representation of radio circuit 200.Wherein, RF transceiver 21 includes 9 radio-frequency transmissions Port a1, a2, a3, a4, a5, a6, a7, a8, a9, and 9 radio frequency reception ports b1, b2, b3, b4, b5, b6, b7, b8, b9.
Wherein, a1, a2, a3 be 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, The radio-frequency transmissions port a1 respectively with RF transceiver 21 of amplifier 221,222,223,224,225,226,227,228,229, A2, a3, a4, a5, a6, a7, a8, a9 are connected.
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.
Radio frequency switching circuit chip 24 includes first switch 245, second switch 246, power amplification unit 22 and combining Device 244.
First switch 245, second switch 246 are single pole multiple throw.For example, first switch 245 includes 6 son inputs Port c1, c2, c3, c4, c5, c6, second switch 246 include 3 sub- input port c7, c8, c9.Sub- input port c1, c2, C3, c4, c5, c6, c7, c8, c9 are connected with duplexer 231,232,233,234,235,236,237,238,239 respectively.
In the embodiment of the present invention, radio frequency switching circuit chip 24 can control high frequency port and the low frequency of RF transceiver 21 The first combiner 244 is connected in port, to realize high-frequency signal and low frequency signal carrier aggregation;RF transceiver 21 can also be controlled Intermediate frequency port and low frequency port connect the first combiner 244, to realize intermediate-freuqncy signal and low frequency signal carrier aggregation.Radio frequency electrical Way switch chip 24 can control the radiofrequency signal of different frequency range to carry out carrier aggregation, so as to improve 100 pairs of electronic equipment Radiofrequency signal carries out the diversity of carrier aggregation.And for domestic product, without realizing high, medium and low three frequency ranges Carrier aggregation, can also reduce the Insertion Loss of non-carrier polymerized frequency band.
With continued reference to Fig. 1 and Fig. 2.Wherein, battery 104 is arranged on inside housing 105.Battery 104 is used to be electronic equipment 100 provide electric energy.
Housing 105 is used for the exterior contour for forming electronic equipment 100.The material of housing 105 can be plastics or metal.Shell Body 105 can be integrally formed.
With reference to Figure 10, another structural representation of Figure 10 electronic equipments 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 The structure of the electronic equipment 100 shown in solution, Figure 10 does not constitute the restriction to electronic equipment 100.Electronic equipment 100 can be wrapped 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, completed and net with the network equipment (for example, server) or other electronic equipments (for example, smart mobile phone) by wireless network Information transmit-receive between network equipment or other electronic equipments.
Memory 20 can be used for storage application program and data.Include executable in the application program that memory 20 is stored Program code.Application program can constitute 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 the information of electronic equipment 100 is input to by user or be supplied to the information of user 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 constitute.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 operation or perform and are stored in application program in memory 20, and call and be stored in Data in reservoir 20, perform the various functions and processing data of electronic equipment 100, so as to carry out entirety to electronic equipment 100 Monitoring.
In addition, electronic equipment 100 can also include camera module, bluetooth module etc., it will not be repeated here.
It when it is implemented, above modules can be realized as independent entity, can also be combined, be made Realized for same or several entities, the specific implementation of above modules can be found in embodiment of the method above, herein not Repeat again.
It should be noted that one of ordinary skill in the art will appreciate that whole in the various methods of above-described embodiment or Part steps can be by program to instruct the hardware of correlation to complete, and the program can be stored in computer-readable storage medium In matter, such as it is stored in the memory of terminal, and by least one computing device in the terminal, can wraps in the process of implementation Include the flow of the embodiment such as information issuing method.Wherein, storage medium can include:Read-only storage (ROM, Read Only Memory), random access memory (RAM, Random Access Memory), disk or CD etc..
Above to a kind of radio frequency switching circuit chip provided in an embodiment of the present invention, radio circuit, antenna assembly and electronics Equipment is described in detail, and its each functional module can be integrated in a process chip or modules are independent Be physically present, can also two or more modules be integrated in a module.Above-mentioned integrated module both can be using hard The form of part is realized, it would however also be possible to employ the form of software function module is realized.Specific case used herein is to the present invention's Principle and embodiment are set forth, and the explanation of above example is only intended to the method and its core for helping to understand the present invention Thought;Simultaneously for those skilled in the art, according to the thought of the present invention, in specific embodiments and applications It will change, in summary, this specification content should not be construed as limiting the invention.

Claims (12)

1. a kind of radio frequency switching circuit chip, it is characterised in that including first switch, second switch, power amplifier and conjunction Road device;Wherein
The input of the first switch includes intermediate frequency port and high frequency port, and the intermediate frequency port is used to receive and dispatch intermediate frequency radio frequency letter Number, the high frequency port is used to receive and dispatch high frequency radio signals;
The input of the second switch includes low frequency port, and the low frequency port is used to receive and dispatch low frequency radio frequency signal;
The power amplifier, is connected with the input port of the first switch and second switch;
The combiner, for by the first switch and second switch be selectively turned on realize that low frequency signal is believed with intermediate frequency Number carrier aggregation or low frequency signal and high-frequency signal carrier aggregation.
2. radio frequency switching circuit chip according to claim 1, it is characterised in that the first switch, second switch with The input connection of the combiner.
3. radio frequency switching circuit chip according to claim 1, it is characterised in that the combiner is dual-frequency channel merger.
4. radio frequency switching circuit chip according to claim 1, it is characterised in that the first switch is to throw out hilted broadsword more Close.
5. radio frequency switching circuit chip according to claim 1, it is characterised in that the second switch is to throw out hilted broadsword more Close.
6. 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, power amplifier and combiner;Wherein
The input of the first switch includes intermediate frequency port and high frequency port, and the intermediate frequency port is used to receive and dispatch intermediate frequency radio frequency letter Number, the high frequency port is used to receive and dispatch high frequency radio signals;
The input of the second switch includes low frequency port, and the low frequency port is used to receive and dispatch low frequency radio frequency signal;
The power amplifier, is connected with the input port of the first switch and second switch;
The combiner, for by the first switch and second switch be selectively turned on realize that low frequency signal is believed with intermediate frequency Number carrier aggregation or low frequency signal and high-frequency signal carrier aggregation.
7. radio circuit according to claim 6, it is characterised in that the RF transceiver includes high frequency port, intermediate frequency Port and low frequency port, the high frequency port, IF interface are connected with the input of the first switch, the low frequency port It is connected with the input of the second switch.
8. radio circuit according to claim 7, it is characterised in that
The high frequency port includes N1The sub- emission port and N of individual different frequency range1The sub- receiving port of individual different frequency range, it is described Intermediate frequency port includes N2The sub- emission port and N of individual different frequency range2The sub- receiving port of individual different frequency range, the first switch Input include N1+N2Individual sub- input port, the N1+N2Individual sub- emission port and the N1+N2Individual sub- input port is one by one Connection, the N1+N2Individual sub- receiving port and the N1+N2Individual sub- input port is connected 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 3rd switch includes N3Individual sub- input port, the N3Individual sub- emission port and the N3Individual sub- input port is one by one Connection, the N3Individual sub- receiving port and the N3Individual sub- input port is connected one by one;
Wherein, N1、N2、N3It is the natural number more than 1.
9. radio circuit according to claim 8, it is characterised in that each described subport and son each described are defeated Duplexer or wave filter are also associated between inbound port.
10. the radio circuit according to any one of claim 6 to 9, it is characterised in that the output of second combiner End is connected with the antenna.
11. a kind of antenna assembly, it is characterised in that including the radio circuit any one of claim 6 to 10.
12. a kind of electronic equipment, it is characterised in that including housing and circuit board, the circuit board is arranged on the enclosure interior, Radio circuit is provided with the circuit board, the radio circuit is the radio circuit any one of claim 6 to 10.
CN201710327335.8A 2017-05-10 2017-05-10 A kind of radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment Pending CN107171672A (en)

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Application Number Priority Date Filing Date Title
CN201710327335.8A CN107171672A (en) 2017-05-10 2017-05-10 A kind of radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment

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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
WO2019174204A1 (en) * 2018-03-16 2019-09-19 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Multiway switch, radio frequency system, and terminal device
WO2019174251A1 (en) * 2018-03-16 2019-09-19 Guangdong Oppo Mobile Telecommunications Corp. , Ltd. Multiway switch, radio frequency system, and wireless communication device
US10727877B2 (en) 2018-03-16 2020-07-28 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Multiway switch, radio frequency system, and wireless communication device
CN112436845A (en) * 2020-12-02 2021-03-02 Oppo广东移动通信有限公司 Radio frequency L-PA Mid device, radio frequency transceiving system and communication equipment

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CN105322980A (en) * 2015-02-04 2016-02-10 维沃移动通信有限公司 Method and device for sending and receiving carrier aggregation signals of different frequency bands
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Publication number Priority date Publication date Assignee Title
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
WO2019174204A1 (en) * 2018-03-16 2019-09-19 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Multiway switch, radio frequency system, and terminal device
WO2019174251A1 (en) * 2018-03-16 2019-09-19 Guangdong Oppo Mobile Telecommunications Corp. , Ltd. Multiway switch, radio frequency system, and wireless communication device
US10560130B2 (en) 2018-03-16 2020-02-11 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Multiway switch, radio frequency system, and wireless communication device
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US10727877B2 (en) 2018-03-16 2020-07-28 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Multiway switch, radio frequency system, and wireless communication device
CN112436845A (en) * 2020-12-02 2021-03-02 Oppo广东移动通信有限公司 Radio frequency L-PA Mid device, radio frequency transceiving system and communication equipment

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Application publication date: 20170915