CN107070485A - Radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment - Google Patents
Radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment Download PDFInfo
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- CN107070485A CN107070485A CN201710327334.3A CN201710327334A CN107070485A CN 107070485 A CN107070485 A CN 107070485A CN 201710327334 A CN201710327334 A CN 201710327334A CN 107070485 A CN107070485 A CN 107070485A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details 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
- H04B1/38—Transceivers, 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
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
Abstract
The embodiment of the present invention provides a kind of radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment, in the radio frequency switching circuit chip, it is low frequency port including intermediate frequency port and the 3rd input switched that the input of first switch, which includes high frequency port, the input of second switch,；First switch can be selectively turned on combiner by the 4th switch, while the 3rd switch connection combiner, to realize high-frequency signal and low frequency signal carrier aggregation；Second switch can be selectively turned on combiner by the 4th switch, while the 3rd switch connection combiner, to realize intermediate-freuqncy signal and low frequency signal carrier aggregation.In the program, the radiofrequency signal that radio frequency switching circuit chip allows hand over control different frequency range carries out carrier aggregation, reduces the Insertion Loss of radio circuit, improves the flexibility that electronic equipment carries out carrier aggregation to radiofrequency signal.
Description
Technical field
The present invention relates to mobile communication technology field, more particularly to a kind of radio frequency switching circuit chip, radio circuit, antenna
Device and electronic equipment.
Background technology
With continuing to develop for mobile communication technology, people are to the communicating requirement more and more higher of mobile terminal, mobile terminal
The communications band that can be supported is more and more, for example, LTE (Long Term Evolution, Long Term Evolution) signal of communication can be with
Including frequency in 700MHz to the signal between 2700MHz.
The radiofrequency signal that mobile terminal can be supported can divide into low frequency signal, intermediate-freuqncy signal and high-frequency signal.Wherein,
Each correspondence includes multiple sub-band signals again for low frequency signal, intermediate-freuqncy signal and high-frequency signal.Each sub-band signals are needed
The external world is transmitted into by antenna.
Carrier aggregation (Carrier Aggregation, abbreviation CA) technology., can be by many height frequency by carrier aggregation
Segment signal condenses together, to improve network uplink and descending transmission rate.
According to the demand of practical application scene, mobile terminal needs to support a variety of carrier aggregation technologies simultaneously.However, current
The frequency range that can be polymerize of carrier aggregation it is single, very flexible, it is impossible to meet the 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
The Insertion Loss of radio circuit is reduced, the diversity that electronic equipment carries out carrier aggregation to radiofrequency signal is improved.
In a first aspect, the embodiment of the present invention provides a kind of radio frequency switching circuit chip, including first switch, second switch,
3rd switch, the 4th switch and combiner；Wherein
The input of the first switch include high frequency port, the second switch input include intermediate frequency port and
The input of 3rd switch is low frequency port；
The high frequency port is used to receive and dispatch high-frequency signal, the intermediate frequency port for receiving and dispatching intermediate-freuqncy signal and the low frequency
Port is used to receive and dispatch low frequency signal；
The first switch can be selectively turned on the combiner by the described 4th switch, while the 3rd switch connects
Lead to the combiner, to realize high-frequency signal and low frequency signal carrier aggregation；
The second switch can be selectively turned on the combiner by the described 4th switch, while the 3rd switch connects
Lead to the combiner, to realize intermediate-freuqncy signal and low frequency signal carrier aggregation.
Second aspect, 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 and combining
Device；Wherein
The input of the first switch include high frequency port, the second switch input include intermediate frequency port and
The input of 3rd switch is low frequency port；
The first switch can be selectively turned on the combiner by the described 4th switch, while the 3rd switch connects
Lead to the combiner, to realize high-frequency signal and low frequency signal carrier aggregation；
The second switch can be selectively turned on the combiner by the described 4th switch, while the 3rd switch connects
Lead to the combiner, to realize intermediate-freuqncy signal and low frequency signal carrier aggregation.
The third aspect, the embodiment of the present invention provides a kind of antenna assembly, including above-mentioned radio circuit.
Fourth aspect, the embodiment of the present invention provides a kind of electronic equipment, including housing and circuit board, and the circuit board is arranged on
Radio circuit is provided with the enclosure interior, the circuit board, the radio circuit is above-mentioned radio circuit.
Radio frequency switching circuit chip provided in an embodiment of the present invention, the radiofrequency signal for allowing hand over control different frequency range is carried out
Carrier aggregation, reduces the Insertion Loss of radio circuit, improves the flexibility 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 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 decomposing schematic 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 embedded 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 chip, 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
Can be by wireless network and the network equipment (for example, the webserver, base station etc.) or other electronic equipments (for example, intelligent hand
Machine etc.) radio 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 include RF transceiver 21, power amplification unit 22,
Filter unit 23, radio frequency switching circuit chip 24 and antenna 25.Wherein, RF transceiver 21, power amplification unit 22, filtering
Unit 23, radio frequency switching circuit 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.
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.
For example, as shown in figure 4, RF transceiver 21 include 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 band41F).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
.
Power amplification unit 22 includes 9 amplifiers 221,222,223,224,225,226,227,228,229.Wherein,
The radio-frequency transmissions port of power amplifier 221,222,223,224,225,226,227,228,229 respectively with RF transceiver 21
A1, 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 power amplifier 221,222,223,224,225,226,
227th, 228,229 connection.Also, duplexer 231,232,233,234,235,236,237,238,239 respectively with radio-frequency receiving-transmitting
Radio frequency reception port b1, b2, b3, b4, b5, b6, b7, b8, b9 connection of device 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.C1, c2, c3 are high frequency port, and c4, c5, c6 are intermediate frequency port, and c7, c8, c9 are low frequency port.
In certain embodiments, as shown in figure 5, filter unit 23 includes wave filter 235, wave filter 236 and 7 duplexs
Device 231,232,233,234,237,238,239.Wherein, wave filter 235, wave filter 236 and 7 duplexers 231,232,
233rd, 234,237,238,239 it is connected respectively with amplifier 225,226,221,222,223,224,227,228,229.Also,
Wave filter 235, wave filter 236 and 7 duplexers 231,232,233,234,237,238,239 respectively with RF transceiver 21
Radio frequency reception port b5, b6, b1, b2, b3, b4, 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 c5, c6, c1, c2, c3, c4, c7, c8, c9 respectively with wave filter 235, wave filter 236 and 7
Duplexer 231,232,233,234,237,238,239 is connected.
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 uses identical frequency, and transmitting and reception signal are in the difference in same frequency heart road
Carried out in gap, now need wave filter to be filtered processing to up-downgoing communication signal in radio 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 the 243, the 4th switchs K1 and combiner 244.
Wherein, first switch 241, the switch of second switch the 242, the 3rd 243 are single pole multiple throw, and the 4th switch K1 is
Single-pole double-throw switch (SPDT).For example, first switch 241 includes 3 sub- input port c1, c2, c3, it is defeated that second switch 242 includes 3 sons
Inbound port c4, c5, c6, the 3rd switch 243 include 3 sub- input port c7, c8, c9.3 sub- inputs of first switch 241
Mouth is high frequency port.3 sub- input ports of second switch 242 are intermediate frequency port.3 son inputs of the 3rd switch 243
Port is low frequency port.First switch 241, the output end of second switch 242 are connected with the 4th switch K1 input.4th
Switch K1 output end is connected with the input of combiner 244.The output end and the input of combiner 244 of 3rd switch 243
Connection.
Combiner 244 is dual-frequency channel merger.The output end of combiner 244 is connected 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.
When first switch 241 connect in c1, c2, c3 it is any all the way, first switch 241 passes through the 4th switch K1 connections again
Combiner 244, the 3rd switch 243 connect in c7, c8, c9 it is any all the way, combiner 244 can realize high-frequency signal and low frequency
Signal carrier polymerize.
When second switch 242 connect in c4, c5, c6 it is any all the way, second switch 242 passes through the 4th switch K1 connections again
Combiner 244, the 3rd switch 243 connect in c7, c8, c9 it is any all the way, combiner 244 can realize intermediate-freuqncy signal and low frequency
Signal carrier polymerize.
With reference to Fig. 7, in certain embodiments, radio frequency switching circuit chip 24 include first switch 241, second switch 242,
3rd switch the 243, the 4th switchs K1 and combiner 244.
Wherein, first switch 241, the switch of second switch the 242, the 3rd 243 are single pole multiple throw, and the 4th switch K1 is
Single-pole double-throw switch (SPDT).For example, first switch 241 includes 3 sub- input port c1, c2, c3, it is defeated that second switch 242 includes 3 sons
Inbound port c4, c5, c6, the 3rd switch 243 include 3 sub- input port c7, c8, c9.3 sub- inputs of first switch 241
Mouth is high frequency port.3 sub- input ports of second switch 242 are intermediate frequency port.3 son inputs of the 3rd switch 243
Port is low frequency port.First switch 241, the output end of second switch 242 are connected with the 4th switch K1 input.4th
Switch K1 output end is connected with the input of combiner 244.The output end and the input of combiner 244 of 3rd switch 243
Connection.
Wherein, the combiner 244 is dual-frequency channel merger, and the output end of the combiner 244 is connected on antenna 25.
In certain embodiments, first switch 241, the switch of second switch 242 and the 3rd 243 can encapsulate formation first
Chip 245.
4th switch K1 has 2 inputs P1, P2 and 1 output end Q1.Wherein, input P1 and first switch
241 output end connection, input P2 is connected with the output end of second switch 242.Output end Q1 and combiner 244 input
Connection.
When first switch 241 connect in c1, c2, c3 it is any all the way, the 4th switch K1 connects P1 and Q1, the 3rd switch
243 connect in c7, c8, c9 it is any all the way, combiner 244 can realize high-frequency signal and low frequency signal carrier aggregation.
When second switch 242 connect in c4, c5, c6 it is any all the way, the 4th switch K1 connects P2 and Q1, the 3rd switch
243 connect in c7, c8, c9 it is any all the way, combiner 244 can realize intermediate-freuqncy signal and low frequency signal carrier aggregation.
With reference to Fig. 8, in certain embodiments, radio frequency switching circuit chip 24 include first switch 241, second switch 242,
3rd switch the 243, the 4th switchs K1 and combiner 244.
Wherein, first switch 241, the switch of second switch the 242, the 3rd 243 are single pole multiple throw, and the 4th switch K1 is
Single-pole double-throw switch (SPDT).For example, first switch 241 includes 3 sub- input port c1, c2, c3, it is defeated that second switch 242 includes 3 sons
Inbound port c4, c5, c6, the 3rd switch 243 include 3 sub- input port c7, c8, c9.3 sub- inputs of first switch 241
Mouth is high frequency port.3 sub- input ports of second switch 242 are intermediate frequency port.3 son inputs of the 3rd switch 243
Port is low frequency port.First switch 241, the output end of second switch 242 are connected with the 4th switch K1 input.4th
Switch K1 output end is connected with the input of combiner 244.The output end and the input of combiner 244 of 3rd switch 243
Connection.
Wherein, the combiner 244 is dual-frequency channel merger, and the output end of the combiner 244 is connected on antenna 25.
In certain embodiments, first switch 241, the switch K1 of the switch of second switch the 242, the 3rd 243 and the 4th can be with
Encapsulation forms the second chip 246.
4th switch K1 has 2 inputs P1, P2 and 1 output end Q1.Wherein, input P1 and first switch
241 output end connection, input P2 is connected with the output end of second switch 242.Output end Q1 and combiner 244 input
Connection.
When first switch 241 connect in c1, c2, c3 it is any all the way, the 4th switch K1 connects P1 and Q1, the 3rd switch
243 connect in c7, c8, c9 it is any all the way, combiner 244 can realize high-frequency signal and low frequency signal carrier aggregation.
For example, sub- input port c1 can be connected with the high-frequency band band7 emission ports in RF transceiver 21, son is defeated
Inbound port c7 can be connected with the low frequency band band8 emission ports in RF transceiver 21,
As the connection c1 of first switch 241, then by the 4th switch K1 connections combiner 244, the 3rd switch 243 connects c7,
Combiner 244 can realize band7 and band8 carrier aggregation.
When second switch 242 connect in c4, c5, c6 it is any all the way, the 4th switch K1 connects P2 and Q1, the 3rd switch
243 connect in c7, c8, c9 it is any all the way, combiner 244 can realize intermediate-freuqncy signal and low frequency signal carrier aggregation.
For example, sub- input port c4 can be connected with the intermediate-frequency band band1 emission ports in RF transceiver 21, son is defeated
Inbound port c7 can be connected with the low frequency band band8 emission ports in RF transceiver 21,
As the connection c4 of second switch 242, then by the 4th switch K1 connections combiner 244, the 3rd switch 243 connects c7,
Combiner 244 can realize band1 and band8 carrier aggregation.
With reference to Fig. 9, Fig. 9 is the structural representation of radio circuit 200.Wherein, the high-frequency emission port of RF transceiver 21
A1, a2, a3 connect via power amplification unit 22, filter unit 23 and sub- input port c1, c2, c3 of first switch 241 respectively
Connect.
Intermediate frequency emission port a4, a5, a6 of RF transceiver 21 respectively via power amplification unit 22, filter unit 23 with
Sub- input port c4, c5, c6 connection of second switch 242.
Low frequencies port a7, a8, a9 of RF transceiver 21 respectively via power amplification unit 22, filter unit 23 with
Sub- input port c7, c8, c9 connection of 3rd switch 243.
In the embodiment of the present invention, radio frequency switching circuit chip can control the high frequency port and low frequency port of RF transceiver
Combiner is connected, to realize high-frequency signal and low frequency signal carrier aggregation；Can control the intermediate frequency port of RF transceiver with it is low
Combiner is connected in frequency port, to realize intermediate-freuqncy signal and low frequency signal carrier aggregation.Radio frequency switching circuit chip can arbitrarily be cut
The radiofrequency signal for changing control different frequency range carries out carrier aggregation, and because the combiner used is dual-frequency channel merger, reduces and penetrate
The Insertion Loss of frequency circuit and the cost of production.
With continued reference to Fig. 1 and Fig. 2.
Wherein, battery 104 is arranged on inside housing 105.Battery 104 is used to provide electric energy for electronic equipment 100.
Housing 105 is the exterior contour of electronic equipment 100.The material of housing 105 can be plastics or metal.Housing 105
It is formed in one.
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 by wireless network with the network equipment (for example, server, base station) or other electronic equipments (for example, smart mobile phone), it is complete
Information transmit-receive between the 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.
Above to radio frequency switching circuit chip provided in an embodiment of the present invention, radio circuit, antenna assembly and electronic equipment
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.Simultaneously for those skilled in the art, according to the thought of the present invention,
It will change 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 frequency switching circuit chip, it is characterised in that including first switch, second switch, third switch, the 4th switch
And combiner；Wherein
The input of the first switch includes high frequency port, the input of the second switch includes intermediate frequency port and described
The input of 3rd switch is low frequency port；
The high frequency port is used to receive and dispatch high-frequency signal, the intermediate frequency port for receiving and dispatching intermediate-freuqncy signal and the low frequency port
For receiving and dispatching low frequency signal；
The first switch can be selectively turned on the combiner by the described 4th switch, while the 3rd switch connection institute
Combiner is stated, to realize high-frequency signal and low frequency signal carrier aggregation；
The second switch can be selectively turned on the combiner by the described 4th switch, while the 3rd switch connection institute
Combiner is stated, to realize intermediate-freuqncy signal and low frequency signal carrier aggregation.
2. radio frequency switching circuit chip according to claim 1, it is characterised in that：
The first switch, the second switch are connected with the input of the described 4th switch, the output end of the 4th switch
It is connected with the input of the combiner；
3rd switch is connected with the input of the combiner.
3. radio frequency switching circuit chip according to claim 1, it is characterised in that：4th switch is opened for single-pole double throw
Close.
4. radio frequency switching circuit chip according to claim 1, it is characterised in that the combiner is dual-frequency channel merger.
5. radio frequency switching circuit chip according to claim 1, it is characterised in that the first switch, described second open
Close and the 3rd switch is single pole multiple throw.
6. radio frequency switching circuit chip according to claim 5, it is characterised in that the first switch, described second open
Close and the 3rd switch package the first chip of formation.
7. radio frequency switching circuit chip according to claim 5, it is characterised in that the first switch, described second open
Close, the 3rd switch and the 4th switch package form the second chip.
8. 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 and combiner；Its
In
The input of the first switch includes high frequency port, the input of the second switch includes intermediate frequency port and described
The input of 3rd switch is low frequency port；
The first switch can be selectively turned on the combiner by the described 4th switch, while the 3rd switch connection institute
Combiner is stated, to realize high-frequency signal and low frequency signal carrier aggregation；
The second switch can be selectively turned on the combiner by the described 4th switch, while the 3rd switch connection institute
Combiner is stated, to realize intermediate-freuqncy signal and low frequency signal carrier aggregation.
9. radio circuit according to claim 8, it is characterised in that the RF transceiver includes high frequency port, intermediate frequency
Port and low frequency port, the high frequency port are connected with the input of the first switch, the intermediate frequency port and described the
The input connection of two switches, the low frequency port is connected with the input of the described 3rd switch.
10. radio circuit according to claim 9, 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
The input of first switch includes N1Individual sub- input port, the N1Individual sub- emission port and the N1Individual sub- input port is one by one
Correspondence connection, the N1Individual sub- receiving port and the N1Individual sub- input port connects one to 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 second switch includes N2Individual sub- input port, the N2Individual sub- emission port and the N2Individual sub- input port is one by one
Correspondence connection, the N2Individual sub- receiving port and the N2Individual sub- input port connects one to 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
Correspondence connection, the N3Individual sub- receiving port and the N3Individual sub- input port connects one to one.
Wherein, the N1、N2、N3It is the natural number more than 1.
11. radio circuit according to claim 10, it is characterised in that each described sub- emission port and each institute
State and be also associated with power amplifier between sub- input port.
12. radio circuit according to claim 11, it is characterised in that each described sub- emission port and each institute
State and be also associated with duplexer or wave filter between sub- input port.
13. the radio circuit according to any one of claim 8 to 12, it is characterised in that the output end of the combiner
It is connected with antenna.
14. a kind of antenna assembly, it is characterised in that the antenna assembly includes the radio circuit described in claim 8.
15. 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 8 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710327334.3A CN107070485A (en) | 2017-05-10 | 2017-05-10 | Radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710327334.3A CN107070485A (en) | 2017-05-10 | 2017-05-10 | Radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107070485A true CN107070485A (en) | 2017-08-18 |
Family
ID=59597422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710327334.3A Pending CN107070485A (en) | 2017-05-10 | 2017-05-10 | Radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107070485A (en) |
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| CN107359606A (en) * | 2017-08-31 | 2017-11-17 | 广东欧珀移动通信有限公司 | Electrostatic protection apparatus, radio circuit and electronic equipment |
| CN107425876A (en) * | 2017-08-31 | 2017-12-01 | 广东欧珀移动通信有限公司 | Electrostatic protection apparatus, radio circuit and electronic equipment |
| CN107612563A (en) * | 2017-08-31 | 2018-01-19 | 广东欧珀移动通信有限公司 | Radio-frequency front-end system, mobile terminal and signal processing method |
| CN109698711A (en) * | 2018-12-18 | 2019-04-30 | 维沃移动通信有限公司 | A kind of radio frequency mould group 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 |
| WO2019174204A1 (en) * | 2018-03-16 | 2019-09-19 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Multiway switch, radio frequency system, and terminal device |
| US10727877B2 (en) | 2018-03-16 | 2020-07-28 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Multiway switch, radio frequency system, and wireless communication device |
| CN111884671A (en) * | 2020-08-04 | 2020-11-03 | 维沃移动通信有限公司 | Radio frequency circuit and electronic device |
| CN112751573A (en) * | 2019-10-30 | 2021-05-04 | 中兴通讯股份有限公司 | Radio frequency front-end module, transceiver and communication terminal |
| CN114759935A (en) * | 2022-04-08 | 2022-07-15 | 深圳英智源智能系统有限公司 | Intelligent multiplexer and signal control method |
| WO2022156599A1 (en) * | 2021-01-21 | 2022-07-28 | 维沃移动通信有限公司 | Radio frequency circuit and electronic device |
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| CN107359606A (en) * | 2017-08-31 | 2017-11-17 | 广东欧珀移动通信有限公司 | Electrostatic protection apparatus, radio circuit and electronic equipment |
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| WO2019174204A1 (en) * | 2018-03-16 | 2019-09-19 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Multiway switch, radio frequency system, and terminal 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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| CN112751573A (en) * | 2019-10-30 | 2021-05-04 | 中兴通讯股份有限公司 | Radio frequency front-end module, transceiver and communication terminal |
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| WO2022156599A1 (en) * | 2021-01-21 | 2022-07-28 | 维沃移动通信有限公司 | Radio frequency circuit and electronic device |
| CN114759935A (en) * | 2022-04-08 | 2022-07-15 | 深圳英智源智能系统有限公司 | Intelligent multiplexer and signal control method |
| CN114759935B (en) * | 2022-04-08 | 2024-01-30 | 深圳英智源智能系统有限公司 | Intelligent multiplexer and signal control method |
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Application publication date: 20170818 |