CN107317590A - 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
- Publication number
- CN107317590A CN107317590A CN201710470930.7A CN201710470930A CN107317590A CN 107317590 A CN107317590 A CN 107317590A CN 201710470930 A CN201710470930 A CN 201710470930A CN 107317590 A CN107317590 A CN 107317590A
- Authority
- CN
- China
- Prior art keywords
- wave filter
- switch
- frequency
- radio
- band
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0067—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands
-
- 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
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/1638—Special circuits to enhance selectivity of receivers not otherwise provided for
-
- 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
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
Abstract
The embodiment of the present invention provides a kind of radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment.The radio frequency switching circuit chip, including：First frequency divider, the first wave filter, the second wave filter, the 3rd wave filter and first switch；First frequency divider is used to input aggregate signal therein being separated into the signal of the first frequency range and the second frequency range, and the signal of the first frequency range is transferred into first wave filter, and the signal of the second frequency range is transferred into the first switch；The passband of first wave filter is located at the first frequency sub-band, the passband of second wave filter is the second frequency sub-band, the passband of 3rd wave filter is the 3rd frequency sub-band, and the first frequency sub-band is located in the first frequency range, and the second frequency sub-band and the 3rd frequency sub-band are respectively positioned in the second frequency range；The first switch optionally connects second wave filter or the 3rd wave filter with first frequency divider.The present invention can improve diversity of the electronic equipment to the frequency dividing of carrier aggregation signal.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of radio frequency switching circuit chip, 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 are each again including multiple sub-band signals.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 global Communications Market 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.However, current carrier aggregation energy
Enough frequency ranges being polymerize and the frequency range of corresponding frequency dividing are single, lack of diversity, 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
Improve the diversity that electronic equipment is divided to carrier aggregation signal.
The embodiment of the present invention provides a kind of radio frequency switching circuit chip, including：First frequency divider, the first wave filter, second
Wave filter, the 3rd wave filter and first switch；
First frequency divider is used for the letter that input aggregate signal therein is separated into the first frequency range and the second frequency range
Number, and the signal of the first frequency range is transferred to first wave filter, the signal of the second frequency range is transferred to the first switch；
The passband of first wave filter is located at the first frequency sub-band, and the passband of second wave filter is the second frequency sub-band, the described 3rd
The passband of wave filter is the 3rd frequency sub-band, and the first frequency sub-band is located in the first frequency range, and the second frequency sub-band and the 3rd frequency sub-band are equal
In the second frequency range；
The first switch optionally connects second wave filter or the 3rd wave filter with first frequency divider
It is logical.
The embodiment of the present invention provides a kind of radio circuit, including antenna module, radio frequency switching circuit chip and radio frequency are received
Transmitter；
The antenna module, the radio frequency switching circuit chip and the radio-frequency receiving-transmitting emitter are sequentially connected；It is described to penetrate
Frequency circuit switch chip is the radio frequency switching circuit chip described in any of the above-described.
The embodiment of the present invention provides a kind of antenna assembly, including the radio frequency switching circuit chip described in any of the above-described.
The embodiment of the present invention 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 the radio circuit that above-mentioned office is stated.
A kind of electronic equipment of the embodiment of the present invention, including the radio frequency switching circuit chip described in any of the above-described.
Radio frequency switching circuit chip provided in an embodiment of the present invention, radio circuit, antenna assembly and electronic equipment, can be controlled
The frequency dividing of a variety of carrier aggregation signals frequency dividing is made, so as to improve electronic equipment to the various of the frequency dividing of carrier aggregation signal
Property.
Brief description of the drawings
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 the 4th kind of structural representation of radio frequency switching circuit provided in an embodiment of the present invention.
Fig. 8 is second of structural representation of radio frequency switching circuit chip provided in an embodiment of the present invention.
Embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the present invention, and is not considered as limiting 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 effectors 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 effectors such as camera, proximity transducer and processor.Meanwhile, display screen 102 can be electrically connected to electricity
Road plate 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 antenna module 201, radio frequency switching circuit chip
202 and radio-frequency receiving-transmitting emitter 203.Wherein, the antenna module 201, radio frequency switching circuit chip 202 and radio-frequency receiving-transmitting emitter
203 are sequentially connected.
Radio-frequency receiving-transmitting emitter 203 is used for the signal for receiving and launching various frequency ranges.
Wherein, the antenna module 201 includes switch module 2011, primary antenna 2012, the first divided antenna 2013 and second
Divided antenna 2014.
The switch module 2011 is opened including the second frequency divider 2011a, the 3rd switch 2011b, the 4th switch 2011c, the 5th
Close 2011d and combiner 2011f.
In certain embodiments, the radio frequency switching circuit chip 202 include the first frequency divider 2021, first switch 2022,
First wave filter 2023, the second wave filter 2024 and the 3rd wave filter 2025.
In certain embodiments, the radio circuit 200 also includes filtering unit 204, and the filtering unit 204 includes the 5th filter
The wave filter 2041 of ripple device 2042 and the 6th.Wherein, the 5th wave filter 2042 and the 6th wave filter 2041 can be duplexing
Device.
Wherein, primary antenna 2012, the first divided antenna 2013 and the second divided antenna 2014 are used equally for receiving radiofrequency signal.
First divided antenna 2013 and the second divided antenna 2014 are connected with combiner 2011f respectively.
Wherein, the radio frequency that combiner 2011f is used to receive the first divided antenna 2013 and the second divided antenna 2014 is believed
Number carrier aggregation is carried out, and obtained signal will be polymerize to be sent to the 5th switch 2011d.
Wherein, the 5th switch 2011d is used for the 5th wave filter 2042 and primary antenna 2012 or combining optionally
Device 2011f is connected, or for optionally connecting the second frequency divider 2011a and the primary antenna 2012 or combiner 2011f.
Second frequency divider 2011a input be connected with the 5th switch 2011d first end d4, and the 5th switchs the of 2011d
Two end d6, the 5th wave filter 2042 and the RF transceiver 203 are sequentially connected, the 5th switch 2011d the 3rd end d5 with
The primary antenna 2012 is connected, and the 5th switch 2011d the 4th end d8 is connected with combiner 2011f output end.
Second frequency divider 2011a output end is connected with the 3rd switch 2011b one end, the 3rd switch 2011b
The other end be connected with the 6th wave filter 2041, the 6th wave filter 2041 is connected with the RF transceiver 203.This second point
Frequency device 2011a another output end, the 4th switch 2011c, radio frequency switching circuit chip 202 the first frequency divider 2021 successively
Connection.
In radio frequency switching circuit chip 202, the first frequency divider 2021 is used to input aggregate signal therein being separated into
The signal of first frequency range and the second frequency range, and the signal of the first frequency range is transferred to first wave filter 2021, by second
The signal of frequency range is transferred to the first switch 2022.The first of the input of first frequency divider 2021 and the 4th switch 2011c
Hold d4 connections.Two output ends of the first frequency divider 2021 are connected with the first wave filter 2023 and first switch 2022 respectively.
Wherein, the first switch 2022 is hilted broadsword N throw switches, wherein, N is the natural number more than 1.
In the present embodiment, the first switch 2022 is single-pole double-throw switch (SPDT).One output end of first frequency divider 2021
It is connected with the input d1 of first switch 2021, the first output end d2 and the second wave filter 2024 of the first switch 2021 connect
Connect, the second output end d3 of the first switch 2021 is connected with the 3rd wave filter 2025.
Fig. 4 is refer to, the first switch 2022 can also be other forms, for example, it can include the first single-pole single-throw(SPST
Switch K1 and the second single-pole single-throw switch (SPST) K2；First single-pole single-throw switch (SPST) K1 one end and second single-pole single-throw switch (SPST)
Output end of the K2 one end with first frequency divider 2021 is connected；The other end of the first single-pole single-throw switch (SPST) K1 and institute
State the second wave filter 2024 to connect, the other end of the second single-pole single-throw switch (SPST) K2 is connected with the 3rd wave filter 2025.
In actual applications, the passband of first wave filter 2023 is located at the first frequency sub-band, and it is used to supply the first subchannel
Signal by and filter out the signals of other frequency ranges.First frequency sub-band is located in the first frequency range.
In actual applications, the passband of the second wave filter 2024 is the second frequency sub-band, and it is used for the letter for the second subchannel
Number by and filter out the signals of other frequency ranges.
In actual applications, the passband of the 3rd wave filter 2025 is the 3rd frequency sub-band, and it is used for the letter for the 3rd subchannel
Number by and filter out the signals of other frequency ranges.Second frequency sub-band and the 3rd frequency sub-band are respectively positioned in the second frequency range.
The passband of 5th wave filter 2042 is the 5th frequency sub-band, its be used for signal for the 5th frequency sub-band by and filter out
The signal of other frequency ranges.
The passband of 6th wave filter 2041 is the 6th frequency sub-band, its be used for signal for the 6th frequency sub-band by and filter out
The signal of other frequency ranges.
In real work, when coordinating while meeting the carrier aggregation of B3 frequency range+B7 frequency ranges, the load of B3 frequency range+B38 frequency ranges
When ripple polymerize two kinds of carrier aggregation demands, aggregate signal is separated into intermediate-freuqncy signal by the first frequency divider 2021 and high frequency is believed
Number.The signal of B3 frequency ranges in intermediate-freuqncy signal is transferred to radio-frequency receiving-transmitting by intermediate-freuqncy signal by the filtering of the first wave filter 2023
Device 203.High-frequency signal is optionally transferred to the wave filter of the second wave filter 2024 or the 3rd by the first switch 2022
2025.When being transferred to the second wave filter 2024, the signal of B7 frequency ranges in high-frequency signal is transferred to by the second wave filter 2024 to be penetrated
Frequency transceiver 203 and the signal for filtering out other channels.When being transferred to three wave filters 2025, the 3rd wave filter 2025 is by height
The signal of B38 frequency ranges is transferred to the RF transceiver 203 in frequency signal.
So as to, can not only the carrier aggregation signals of B3 frequency range+B7 frequency ranges be separated by realizing, can also by B3 frequency ranges+
B38 frequency ranges carrier aggregation signal is separated, and can improve the functional diversity and adaptability of radio circuit.
Fig. 5 is refer to, in certain embodiments, on the basis of above-described embodiment, radio frequency switching circuit chip 202 is also wrapped
Include the wave filter 2027 of second switch 2026 and the 4th, the passband of the 4th wave filter 2027 is the 4th frequency sub-band, described the
Four frequency sub-band are located in first frequency range.The port d9 of the second switch 2026 and the first frequency divider 2021 output end
Connection, the 4th wave filter 2027 is connected with the port d11 of second switch 2026, the first wave filter 2023 and second switch 2026
Port d10 connections.Second switch 2026 optionally by first wave filter 2023 or the 4th wave filter 2027 with
First frequency divider 2026 is connected.
Wherein, the second switch 2026 can be single-pole double-throw switch (SPDT).
It is to be appreciated that the second switch 2026 can also be hilted broadsword N throw switches, its output end is corresponded to respectively leads to by one
Band is connected for the wave filter of default frequency range with the RF transceiver 203.
In real work, when coordinating while meeting the carrier aggregation of B3 frequency range+B7 frequency ranges, the load of B3 frequency range+B38 frequency ranges
When ripple polymerization, the carrier aggregation of BX frequency range+B7 frequency ranges, four kinds of carrier aggregation demands of carrier aggregation of BX frequency range+B38 frequency ranges, gather
Close signal and be separated into intermediate-freuqncy signal and high-frequency signal by the first frequency divider 2021.Intermediate-freuqncy signal passes through the first wave filter 2023
Filtering, the signal of the B3 frequency ranges in intermediate-freuqncy signal is transferred to RF transceiver 203；Or intermediate-freuqncy signal is by the 4th filtering
The filtering of device 2027, by the BX band transmissions of intermediate-freuqncy signal to RF transceiver 203.High-frequency signal passes through the first switch 2022
Optionally it is transferred to the wave filter 2025 of the second wave filter 2024 or the 3rd.When being transferred to the second wave filter 2024, second
The signal of B7 frequency ranges in high-frequency signal is transferred to RF transceiver 203 and filters out the signal of other channels by wave filter 2024.When
When being transferred to three wave filters 2025, the signal of B38 frequency ranges in high-frequency signal is transferred to the radio frequency by the 3rd wave filter 2025
Transceiver 203.Wherein, the signal of BX frequency ranges is the signal beyond B3 frequency ranges in intermediate-freuqncy signal.
Wherein, as shown in fig. 6, this second to open 2026 passes can also be two single-pole single-throw switch (SPST) parallel connections.Or multiple lists
Monopole single throw switch is in parallel.
Fig. 7 is refer to, in certain embodiments, on the basis of above-described embodiment, radio frequency switching circuit chip 202 is also wrapped
The 7th wave filter 2028 is included, the 7th wave filter 2028 is connected with the first switch 2022.First switch 2022 may be selected
Property by the wave filter 2025 of the second wave filter 2024 or the 3rd or the 7th wave filter 2027 and first frequency divider
2021 connect.The passband of 7th wave filter 2028 is the 7th frequency sub-band, and the 7th frequency sub-band is located at second frequency range
It is interior.First switch 2022 is SP3T switch；The input d1 of first switch 2022 and the one of first frequency divider 2021
Output end is connected, and the first output end d2 of the first switch 2022 is connected with second wave filter 2024, and described first opens
Close 2022 the second output end d3 be connected with second wave filter 2024, the 3rd output end d7 of the first switch 2022 and
7th wave filter 2028 is connected.
In real work, when coordinating while meeting the carrier aggregation of B3 frequency range+B7 frequency ranges, the load of B3 frequency range+B38 frequency ranges
Ripple polymerization, the carrier wave of the carrier aggregation of BX frequency range+B7 frequency ranges, the carrier aggregation of BX frequency range+B38 frequency ranges, BX frequency range+BY frequency ranges gather
When conjunction, six kinds of carrier aggregation demands of carrier aggregation of B3 frequency range+BY frequency ranges, aggregate signal is separated into by the first frequency divider 2021
Intermediate-freuqncy signal and high-frequency signal.Intermediate-freuqncy signal is by the filtering of the first wave filter 2023, by the B3 frequency ranges in intermediate-freuqncy signal
Signal is transferred to RF transceiver 203；Or intermediate-freuqncy signal passes through the filtering of the 4th wave filter 2027, by the BX frequencies of intermediate-freuqncy signal
Section is transferred to RF transceiver 203.High-frequency signal is optionally transferred to second wave filter by the first switch 2022
2024 or the 3rd wave filter 2025 or the 7th wave filter 2028.When being transferred to the second wave filter 2024, the second wave filter 2024
The signal of B7 frequency ranges in high-frequency signal is transferred to RF transceiver 203 and the signal of other channels is filtered out.When being transferred to the 3rd
During wave filter 2025, the signal of B38 frequency ranges in high-frequency signal is transferred to the RF transceiver 203 by the 3rd wave filter 2025.
When being transferred to seven wave filters 2028, the signal of BY frequency ranges therein is transferred to RF transceiver 203.
Wherein, the signal of BY frequency ranges is the signal of the frequency range outside B7 frequency ranges and B38 frequency ranges in high-frequency signal.BX frequency ranges
Signal be signal in intermediate-freuqncy signal beyond B3 frequency ranges.
In certain embodiments, Fig. 8 is refer to, the first switch 2022 can include the first single-pole single-throw switch (SPST) K1, the
Two single-pole single-throw switch (SPST) K2 and the 3rd single-pole single-throw switch (SPST) K3；One end of the first single-pole single-throw switch (SPST) K1, described second
Single-pole single-throw switch (SPST) K2 one end and one end of the 3rd single-pole single-throw switch (SPST) K3 with first frequency divider 2021
One output end is connected.The other end of the first single-pole single-throw switch (SPST) K1 is connected with second wave filter 2024, and described second
The single-pole single-throw switch (SPST) K2 other end is connected with the 3rd wave filter 2025, the other end of the 3rd single-pole single-throw switch (SPST) K3
It is connected with the 7th wave filter 2028.
Radio frequency switching circuit chip provided in an embodiment of the present invention, radio circuit, antenna assembly and electronic equipment, can be controlled
The frequency dividing of a variety of carrier aggregation signal frequency dividings is made, so as to improve frequency dividing and polymerization of the electronic equipment to carrier aggregation signal
Diversity.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation
The description of mode ", " example ", " specific example " or " some examples " etc. means with reference to the embodiment or example description
Specific features, structure, material or feature are contained at least one embodiment of the present invention or example.In this specification
In, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.Moreover, the specific spy of description
Levy, structure, material or feature can in an appropriate manner be combined in any one or more embodiments or example.
In summary, although the present invention it is disclosed above with preferred embodiment, but above preferred embodiment and be not used to limit
The system present invention, one of ordinary skill in the art without departing from the spirit and scope of the present invention, can make various changes and profit
Adorn, therefore protection scope of the present invention is defined by the scope that claim is defined.
In summary, although the present invention it is disclosed above with preferred embodiment, but above preferred embodiment and be not used to limit
The system present invention, one of ordinary skill in the art without departing from the spirit and scope of the present invention, can make various changes and profit
Adorn, therefore protection scope of the present invention is defined by the scope that claim is defined.
Claims (12)
1. a kind of radio frequency switching circuit chip, it is characterised in that including：First frequency divider, the first wave filter, the second wave filter,
3rd wave filter and first switch；
First frequency divider is used for the signal that input aggregate signal therein is separated into the first frequency range and the second frequency range, and
The signal of first frequency range is transferred to first wave filter, the signal of the second frequency range is transferred to the first switch；It is described
The passband of first wave filter is located at the first frequency sub-band, and the passband of second wave filter is the second frequency sub-band, the 3rd filtering
The passband of device is the 3rd frequency sub-band, and the first frequency sub-band is located in the first frequency range, and the second frequency sub-band and the 3rd frequency sub-band are respectively positioned on
In second frequency range；
The first switch optionally connects second wave filter or the 3rd wave filter with first frequency divider.
2. radio frequency switching circuit chip according to claim 1, it is characterised in that the first switch is that hilted broadsword N is thrown out
Close, wherein, N is the natural number more than 1；
The input of the first switch is connected with an output end of first frequency divider, the first output of the first switch
End is connected with second wave filter, and the second output end of the first switch is connected with the 3rd wave filter.
3. radio frequency switching circuit chip according to claim 2, it is characterised in that the first 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 first switch includes the first hilted broadsword
Single-throw switch and the second single-pole single-throw switch (SPST)；
One end of first single-pole single-throw switch (SPST) and one end of second single-pole single-throw switch (SPST) are divided with described first
The output end connection of device；
The other end of first single-pole single-throw switch (SPST) is connected with second wave filter, second single-pole single-throw switch (SPST) it is another
One end is connected with the 3rd wave filter.
5. the radio frequency switching circuit chip according to claim any one of 2-4, it is characterised in that also including second switch with
And the 4th wave filter, the passband of the 4th wave filter is the 4th frequency sub-band, and the 4th frequency sub-band is located at first frequency range
It is interior；
Another output end of first frequency divider is connected with the second switch, the 4th wave filter and first filter
Ripple device is connected with the second switch respectively, and the second switch is optionally by first wave filter or the 4th filter
Another output end of ripple device and first frequency divider is connected.
6. radio frequency switching circuit chip according to claim 1, it is characterised in that also including the 7th wave filter, described
Seven wave filters are connected with the first switch and the RF transceiver, and the first switch is optionally by described second
Wave filter, the 3rd wave filter or the 7th wave filter are connected with first frequency divider；The passband of 7th wave filter is
7th frequency sub-band, the 7th frequency sub-band is located in second frequency range.
7. radio frequency switching circuit chip according to claim 6, it is characterised in that the first switch is opened for SP3T
Close；
The input of the first switch is connected with the output end of first frequency divider, the first output end of the first switch
It is connected with second wave filter, the second output end of the first switch is connected with the 3rd wave filter, described first opens
The 3rd output end closed is connected with the 7th wave filter.
8. radio frequency switching circuit chip according to claim 6, it is characterised in that the first switch includes the first hilted broadsword
Single-throw switch, the second single-pole single-throw switch (SPST) and the 3rd single-pole single-throw switch (SPST)；
One end of first single-pole single-throw switch (SPST), one end of second single-pole single-throw switch (SPST) and the 3rd single-pole single-throw(SPST
Output end of the one end of switch with first frequency divider is connected；
The other end of first single-pole single-throw switch (SPST) is connected with second wave filter, second single-pole single-throw switch (SPST) it is another
One end is connected with the 3rd wave filter, and the other end of the 3rd single-pole single-throw switch (SPST) is connected with the 7th wave filter.
9. a kind of radio circuit, it is characterised in that including antenna module, radio frequency switching circuit chip and radio-frequency receiving-transmitting emitter；
The antenna module, the radio frequency switching circuit chip and the radio-frequency receiving-transmitting emitter are sequentially connected；The radio frequency electrical
Way switch chip is the radio frequency switching circuit chip described in claim any one of 1-8.
10. radio circuit according to claim 9, it is characterised in that also including the 5th wave filter and the 6th wave filter,
The antenna module includes primary antenna, the first divided antenna, the second divided antenna, the second frequency divider, the 3rd switch, the 4th switch, the
Five switches and combiner；
First divided antenna is connected with an input of the combiner, and second divided antenna is another with the combiner
Input is connected；
Output end, the primary antenna, the 5th wave filter and the institute of the 5th switch connection respectively with the combiner
State the input connection of the second frequency divider；
One output end of second frequency divider, the 3rd switch, the 6th wave filter and the RF transceiver according to
Secondary connection；The input of another output end of second frequency divider, the 4th switch and first frequency divider is successively
Connection；
5th wave filter is connected with the RF transceiver；
Described 5th switchs for optionally by the 5th wave filter and the connection of the primary antenna or the combiner, or use
In optionally by second frequency divider and the connection of the primary antenna or the combiner.
11. a kind of antenna assembly, it is characterised in that including the radio frequency switching circuit chip described in claim any one of 1-8.
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 described in claim 9 or 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710470930.7A CN107317590A (en) | 2017-06-20 | 2017-06-20 | Radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710470930.7A CN107317590A (en) | 2017-06-20 | 2017-06-20 | Radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107317590A true CN107317590A (en) | 2017-11-03 |
Family
ID=60184160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710470930.7A Pending CN107317590A (en) | 2017-06-20 | 2017-06-20 | Radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107317590A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109347515A (en) * | 2018-10-23 | 2019-02-15 | 惠州Tcl移动通信有限公司 | A kind of electronic equipment and communication means |
| CN111884671A (en) * | 2020-08-04 | 2020-11-03 | 维沃移动通信有限公司 | Radio frequency circuit and electronic device |
| CN113765527A (en) * | 2021-07-23 | 2021-12-07 | 上海闻泰信息技术有限公司 | Frequency divider and control method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201278522Y (en) * | 2008-08-07 | 2009-07-22 | 中兴通讯股份有限公司 | Radio frequency front-end circuit for mobile terminal system |
| CN105119627A (en) * | 2015-09-14 | 2015-12-02 | 联想(北京)有限公司 | Circuit board and electronic equipment |
| CN105634569A (en) * | 2015-12-31 | 2016-06-01 | 宇龙计算机通信科技(深圳)有限公司 | Control circuit and terminal achieving carrier aggregation and WIFI double-frequency MIMO |
| CN106230569A (en) * | 2016-07-29 | 2016-12-14 | 广东欧珀移动通信有限公司 | Antenna assembly and mobile terminal |
| CN106253914A (en) * | 2016-07-29 | 2016-12-21 | 广东欧珀移动通信有限公司 | Antenna assembly and mobile terminal |
| US20170093442A1 (en) * | 2015-09-28 | 2017-03-30 | Skyworks Solutions, Inc. | Integrated front-end architecture for carrier aggregation |
-
2017
- 2017-06-20 CN CN201710470930.7A patent/CN107317590A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201278522Y (en) * | 2008-08-07 | 2009-07-22 | 中兴通讯股份有限公司 | Radio frequency front-end circuit for mobile terminal system |
| CN105119627A (en) * | 2015-09-14 | 2015-12-02 | 联想(北京)有限公司 | Circuit board and electronic equipment |
| US20170093442A1 (en) * | 2015-09-28 | 2017-03-30 | Skyworks Solutions, Inc. | Integrated front-end architecture for carrier aggregation |
| CN105634569A (en) * | 2015-12-31 | 2016-06-01 | 宇龙计算机通信科技(深圳)有限公司 | Control circuit and terminal achieving carrier aggregation and WIFI double-frequency MIMO |
| CN106230569A (en) * | 2016-07-29 | 2016-12-14 | 广东欧珀移动通信有限公司 | Antenna assembly and mobile terminal |
| CN106253914A (en) * | 2016-07-29 | 2016-12-21 | 广东欧珀移动通信有限公司 | Antenna assembly and mobile terminal |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109347515A (en) * | 2018-10-23 | 2019-02-15 | 惠州Tcl移动通信有限公司 | A kind of electronic equipment and communication means |
| CN109347515B (en) * | 2018-10-23 | 2021-09-21 | 惠州Tcl移动通信有限公司 | Electronic equipment and communication method |
| CN111884671A (en) * | 2020-08-04 | 2020-11-03 | 维沃移动通信有限公司 | Radio frequency circuit and electronic device |
| CN113765527A (en) * | 2021-07-23 | 2021-12-07 | 上海闻泰信息技术有限公司 | Frequency divider and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107332573A (en) | A kind of radio circuit, antenna assembly and electronic equipment | |
| CN107070485A (en) | Radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment | |
| CN107086873A (en) | Radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment | |
| CN107359894A (en) | Radio circuit, antenna assembly and electronic equipment | |
| CN107634766A (en) | Radio circuit, antenna assembly and electronic equipment | |
| CN107483060B (en) | Radio frequency circuit, antenna device and electronic equipment | |
| CN107404332A (en) | Radio circuit, antenna assembly and electronic equipment | |
| CN107302373A (en) | Radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment | |
| CN107395216A (en) | Radio circuit, antenna assembly and electronic equipment | |
| CN107171672A (en) | A kind of radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment | |
| CN107493114A (en) | Radio circuit, antenna assembly and electronic equipment | |
| CN112769450B (en) | Radio frequency circuit and electronic equipment | |
| CN107317590A (en) | Radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment | |
| CN108880571A (en) | Radio circuit and electronic equipment | |
| CN107508606B (en) | Radio frequency circuit, antenna device and electronic equipment | |
| CN107404324A (en) | Radio circuit, antenna assembly and electronic equipment | |
| CN107302374A (en) | Radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment | |
| CN107104683A (en) | A kind of radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment | |
| CN110546908B (en) | Radio frequency circuit, antenna device and electronic equipment | |
| CN107171674B (en) | Radio frequency circuit switch chip, radio frequency circuit, antenna device and electronic equipment | |
| CN107404325A (en) | Radio circuit, antenna assembly and electronic equipment | |
| CN107104698B (en) | Radio frequency circuit switch chip, radio frequency circuit, antenna device and electronic equipment | |
| CN108768432A (en) | Radio circuit and electronic equipment | |
| CN110537331A (en) | Radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment | |
| CN109951204A (en) | Radio circuit, antenna assembly and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171103 |