CN206948290U - A kind of radio frequency amplification treatment circuit and communication terminal - Google Patents
A kind of radio frequency amplification treatment circuit and communication terminal Download PDFInfo
- Publication number
- CN206948290U CN206948290U CN201720533970.7U CN201720533970U CN206948290U CN 206948290 U CN206948290 U CN 206948290U CN 201720533970 U CN201720533970 U CN 201720533970U CN 206948290 U CN206948290 U CN 206948290U
- Authority
- CN
- China
- Prior art keywords
- radio
- circuit
- wireless communication
- communication signals
- line
- 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.)
- Active
Links
Landscapes
- Transmitters (AREA)
- Transceivers (AREA)
Abstract
The utility model discloses a kind of radio frequency amplification treatment circuit and communication terminal, the radio frequency amplification treatment circuit includes：Transmitting antenna；The power of the first wireless communication signals after modulation or the second wireless communication signals is subjected to radio frequency amplification, and the first wireless communication signals after amplification are transmitted to transmitting antenna via first line and launched, or the radio-frequency power amplifier by the second wireless communication signals after amplification via the second line transmission to filter part；The second wireless communication signals after amplification are filtered with processing, and filtered second wireless communication signals are continued on through to the filter part launched by the second line transmission to transmitting antenna.
Description
Technical field
It the utility model is related to wireless communication signals transmitting-receiving process technical field, and in particular to a kind of radio frequency enhanced processing electricity
Road and communication terminal.
Background technology
The radio communication public network that mobile communication terminal uses has developed to forth generation mobile communications network, i.e. 4G nets
Network, but it is limited to the timeliness and stage of radio communication public network construction, in actual use, the shifting of the second generation, the third generation
Dynamic communication network, i.e. 2G, 3G network are also using.Therefore, mobile communication terminal not only needs to launch or receive forth generation movement
Signal of communication, it is also desirable to which transmitting receives the second generation, the mobile communication signal of the third generation.
Because Generation Mobile Telecommunication System signal needs bigger power output, lower load impedance, tightened up harmonic wave
Suppress to require, therefore in the prior art, in the radio-frequency power amplification before wireless communication signals transmitting, used two radio frequency work(
Rate amplifier is amplified to the third generation, forth generation mobile communication signal and Generation Mobile Telecommunication System signal respectively；It is specifically shown in figure
1, as shown in figure 1, radio frequency amplification treatment circuit of the prior art includes radio-frequency power amplifier 11,12, output matching network
111st, 121, duplexer 112.
But because two radio-frequency power amplifiers need to take more printed board space, increase cost of manufacture；Two
Individual radio-frequency power amplifier needs to be connected by cabling in fabric swatch, and in radio-frequency region, cabling is constantly present ghost effect, and
It is easy to produce with the component of surrounding and couples；Ghost effect and coupling can influence the power output of radio-frequency power amplifier, bear
Carry the indexs such as impedance harmony wave power；Therefore, using two radio-frequency power amplifiers, more printed board space is taken, is increased
Cost of manufacture, and increase the debugging difficulty of amplifier.
Utility model content
In view of this, the utility model embodiment it is expected to provide a kind of radio frequency amplification treatment circuit and communication terminal, can drop
The cost of manufacture of low radio frequency amplifying circuit and the debugging difficulty of amplifier.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
The utility model embodiment provides a kind of radio frequency amplification treatment circuit, and the circuit includes：
Transmitting antenna；
The power of the first wireless communication signals after modulation or the second wireless communication signals is subjected to radio frequency amplification, and will be put
The first wireless communication signals after big are transmitted to transmitting antenna via first line to be launched, or second after amplification is wireless
Signal of communication via the second line transmission to filter part radio-frequency power amplifier；
The second wireless communication signals after amplification are filtered with processing, and by filtered second wireless communication signals after
The continuous filter part launched via the second line transmission to transmitting antenna.
Preferably, the circuit also includes selecting switch, and the fixing end of the selecting switch is amplified with the radio-frequency power
The output end connection of device, the selection end of the selecting switch select connection first line or the second circuit according to control signal.
Preferably, the circuit also includes：Transmission signal and reception signal are carried out to the isolation filter part of isolation filter,
The isolation filter part is in the first line between the radio-frequency power amplifier and the transmitting antenna.
Preferably, the circuit also includes：According to the load impedance of the transmitting antenna to the radio-frequency power amplifier
Carry out the impedance match part of impedance matching；The input of the impedance match part connects the radio-frequency power amplifier, institute
The output end for stating impedance match part connects the first line or the second circuit according to control signal selection.
Preferably, the filter part is harmonic filter.
The utility model embodiment additionally provides a kind of communication terminal, and the communication terminal includes down coversion part, low noise
Acoustic amplifier, signal modulation part, intermediate frequency amplifier, up-conversion part and radio frequency amplification treatment circuit；At the radio frequency amplification
Reason circuit includes：
Transmitting antenna；
The power of the first wireless communication signals after modulation or the second wireless communication signals is subjected to radio frequency amplification, and will be put
The first wireless communication signals after big are transmitted to transmitting antenna via first line to be launched, or second after amplification is wireless
Signal of communication via the second line transmission to filter part radio-frequency power amplifier；
The second wireless communication signals after amplification are filtered with processing, and by filtered second wireless communication signals after
The continuous filter part launched via the second line transmission to transmitting antenna.
Preferably, the radio frequency amplification treatment circuit also includes selecting switch, the fixing end of the selecting switch with it is described
The output end connection of radio-frequency power amplifier, the selection end of the selecting switch according to control signal select connection first line or
Second circuit.
Preferably, the radio frequency amplification treatment circuit also includes：Transmission signal and reception signal are subjected to isolation filter
Isolation filter part, First Line of the isolation filter part between the radio-frequency power amplifier and the transmitting antenna
Lu Shang.
Preferably, the radio frequency amplification treatment circuit also includes：Penetrated according to the load impedance of the transmitting antenna to described
Frequency power amplifier carries out the impedance match part of impedance matching；The input of the impedance match part connects the radio frequency work(
Rate amplifier, the output end of the impedance match part connect the first line or the second circuit according to control signal selection.
Preferably, the communication terminal also includes：According to the wireless communication signals type of determination, the control selection is sent
The main control chip of switch connection first line or the control signal of the second circuit.
The radio frequency amplification treatment circuit and communication terminal that the utility model embodiment provides, including transmitting antenna；Will modulation
The first wireless communication signals or the power of the second wireless communication signals afterwards carry out radio frequency amplification, and first after amplification is wireless
Signal of communication is transmitted to transmitting antenna via first line to be launched, or by the second wireless communication signals after amplification via
Two line transmissions to filter part radio-frequency power amplifier；Processing is filtered to the second wireless communication signals after amplification,
And filtered second wireless communication signals are continued on through to the filter part launched by the second line transmission to transmitting antenna；
It can be seen that the utility model embodiment will need two or more radio-frequency power amplifiers just treatable multiple network originally
The mobile communication signal of standard, multiple frequency range, handled by same radio-frequency power amplifier, then again to therein
Two third-generation mobile communication signals, which increase after extra filter part carries out harmonic power suppression and FREQUENCY IMPEDANCE conversion process, to be launched, and is kept away
Exempt to use two radio-frequency power amplifiers, reduce the printed board space that radio-frequency power amplifier needs to take, simplify circuit
Wires design, reduce the cost of manufacture of radio frequency amplifying circuit and the debugging difficulty of amplifier.
Brief description of the drawings
Fig. 1 is the principle schematic of wireless communication signals radio frequency amplification treatment circuit in the prior art；
Fig. 2 is the principle schematic of the radio frequency amplification treatment circuit of the utility model embodiment one；
Fig. 3 is the structural representation of the output matching network in Fig. 2；
Fig. 4 is the structural representation of the harmonic filter in Fig. 2.
Embodiment
The utility model embodiment provides a kind of radio frequency amplification treatment circuit, including radio-frequency power amplifier, transmitting day
Line and filter part；Wherein,
The radio-frequency power amplifier, for the power of the first wireless communication signals after modulation to be carried out into radio frequency amplification,
And the first wireless communication signals after amplification are transmitted to transmitting antenna via first line and launched；Or by after modulation
The power of two wireless communication signals carries out radio frequency amplification, and by the second wireless communication signals after amplification via the second line transmission
To filter part；
The filter part, for being filtered processing to the second wireless communication signals after amplification, and will be filtered
Second wireless communication signals continue on through to be launched by the second line transmission to transmitting antenna.
The principle of the utility model embodiment is：Various wireless communication is handled by same radio-frequency power amplifier to believe
Number, then increase Generation Mobile Telecommunication System signal therein extra filter part again and carry out harmonic power suppression and fundamental frequency resistance
Launch after anti-conversion process, avoid using two or more radio-frequency power amplifiers, reduce radio-frequency power amplification
Device needs the printed board space taken, simplifies the wires design of circuit, reduces the cost of manufacture of radio frequency amplifying circuit and puts
The debugging difficulty of big device.
Here, various wireless communication signal can include the various wireless communication signals for needing radio frequency to amplify, and can both wrap
The various signals for having mobile communications network standards including the second generation, the third generation and forth generation are included, wireless protect can also be included
Very (WiFi, WIreless-Fidelity) and worldwide interoperability for microwave accesses (WiMAX, Worldwide Interoperability
For Microwave Access) signal, other wireless communication signals for needing radio frequency to amplify are can also be, do not make example one by one
Lift；
Specifically, the signal of mobile communications network standard can include the global system for mobile communications of the second generation (2G)
(GSM, Global System for Mobile Communication)/CDMA (CDMA, Code Division
Multiple Access), Time Division-Synchronous Code Division Multiple Access (TD-SCDMA, the Time of the mobile communication of the third generation (3G)
Division-Synchronous Code Division Multiple Access)/CDMA2000(Code Division
Multiple Access 2000)/WCDMA (WCDMA, Wideband Code Division Multiple
Access) and the mobile communication of forth generation (4G) time-division-Long Term Evolution (TD-LTE, Time Division Long Term
Evolution)/FDD-Long Term Evolution (FDD-LTE, Frequency Division Duplexing Long Term
Evolution it is) etc. a variety of；
Wherein, the signal of each mobile communications network standard can also include multiple frequency ranges, such as GSM mobile communication
Network formats can support multiple frequency ranges such as 850M, 900M, 1800M, 1900M.
In the utility model embodiment, second wireless communication signals are the relative bigger power outputs, lower of needing
Load impedance, tightened up harmonics restraint requirement wireless communication signals, in addition first wireless communication signals are
Other wireless communication signals；
Specifically, first wireless communication signals can be 3G (Third Generation) Moblie in mobile communications network standard signal
Wireless communication signals more than network formats, including existing 3 G mobile communication network standard and forth generation mobile radio communication
Network standard or WiFi signal or WiMAX signals；Second wireless communication signals can be Generation Mobile Telecommunication System net
The signal of communication of network standard.
The radio-frequency power amplifier can be triode (Bipolar Junction Transistor) or
FET (FET, Field Effect Transistor) or metal-oxide-semiconductor (metal oxide semiconductor)；
In actual use, the preferred triode of the radio-frequency power amplifier, the triode can be in the prior art
The triode of the triode for handling 2G wireless communication signals or the wireless communication signals for handling more than 3G.
Specifically, for a variety of signals, it is necessary to adjust the parameter of the radio-frequency power amplifier；
It is logical based on the third generation movement when signal is signal of communication more than 3 G mobile communication network standard
The launch requirements of signal of communication more than communication network standard, adjust the radio-frequency power amplifier；
When the signal is WiFi signal or WiMAX signals, the launch requirements based on WiFi signal or WiMAX signals, adjust
The whole radio-frequency power amplifier；
When the signal is the signal of communication of Generation Mobile Telecommunication System network formats, based on the Generation Mobile Telecommunication System net
The launch requirements of the signal of communication of network standard, adjust the radio-frequency power amplifier；
Here, the parameter of the radio-frequency power amplifier can be adjusted in terms of power and bandwidth；Usually, by institute
Terminal device where stating radio frequency amplification treatment circuit is adjusted to the radio-frequency power amplifier.
Second circuit is used to transmitting the relative bigger power output, lower load impedance, tightened up humorous of needing
Ripple suppresses desired wireless communication signals, and the first line is used to transmit other wireless communication signals；
Specifically, the first line is used to transmit signal of communication, WiFi more than 3 G mobile communication network standard
Signal and WiMAX signals, second circuit are used for the signal of communication for transmitting Generation Mobile Telecommunication System network formats；
Because second generation wireless communication signals need bigger power output, lower load impedance, tightened up harmonic wave
Suppress to require, therefore second circuit is additionally provided with the filtering part that can carry out signal harmonic power suppression and FREQUENCY IMPEDANCE conversion
Part；
Specifically, the filter part can be harmonic filter (harmonic filter).
Further, the radio frequency amplification treatment circuit also includes selecting switch, the fixing end of the selecting switch and institute
The output end connection of radio-frequency power amplifier is stated, the selection end of the selecting switch selects connection first line according to control signal
Or second circuit.
So, can be via the First Line by output of the selecting switch to the radio-frequency power amplifier
Road, or second line transmission to transmitting antenna carry out transmitting and made a choice；Usually, by radio frequency amplification treatment circuit institute
Terminal device the selecting switch is controlled.
Further, the radio frequency amplification treatment circuit also includes isolated part, for by transmission signal and reception signal
Isolated, the isolated part is in the first line between the radio-frequency power amplifier and the transmitting antenna；
Usually, signal of communication more than 3 G mobile communication network standard, WiFi signal and WiMAX signals it is upper,
Downstream signal is all received and dispatched by same transmitting antenna, so needing to use isolated part to carry out uplink and downlink signals
Isolation, is allowed to be independent of each other；
Specifically, the isolated part can be duplexer (Duplexer).
Further, the radio frequency amplification treatment circuit also includes impedance match part, for according to the transmitting antenna
Load impedance, to the radio-frequency power amplifier carry out impedance matching；Described in the input connection of the impedance match part
Radio-frequency power amplifier, the output end of the impedance match part connect the first line or second according to control signal selection
Circuit.
Further to improve the transmission power of signal, it is necessary to carry out meeting 3G (Third Generation) Moblie to radio-frequency power amplifier
The output impedance matching treatment of network formats above communication signal emitting requirement；
Because the power requirement of the signal of communication of Generation Mobile Telecommunication System network formats is higher, therefore first radio-frequency power is put
Big device carries out the output impedance matching for meeting the requirement of 3 G mobile communication network standard above communication signal emitting；If the
The signal of communication of two third generation mobile communication network standards, then on this basis it is another for further processing, that is, into the second circuit
It is further processed；
Specifically, the impedance match part can be output matching network (OMN, output matching
network)。
The utility model embodiment additionally provides a kind of communication terminal, and the communication terminal includes down coversion part, low noise
Acoustic amplifier, signal modulation part, intermediate frequency amplifier, up-conversion part and radio frequency amplification treatment circuit；At the radio frequency amplification
Reason circuit includes radio-frequency power amplifier, transmitting antenna and filter part, wherein,
The radio-frequency power amplifier, for the power of the first wireless communication signals after modulation to be carried out into radio frequency amplification,
And the first wireless communication signals after amplification are transmitted to transmitting antenna via first line and launched；Or by after modulation
The power of two wireless communication signals carries out radio frequency amplification, and by the second wireless communication signals after amplification via the second line transmission
To filter part；
The filter part, for being filtered processing to the second wireless communication signals after amplification, and will be filtered
Second wireless communication signals continue on through to be launched by the second line transmission to transmitting antenna.
Further, the radio frequency amplification treatment circuit also includes selecting switch, the fixing end of the selecting switch and institute
The output end connection of radio-frequency power amplifier is stated, the selection end of the selecting switch selects connection first line according to control signal
Or second circuit.
Further, the radio frequency amplification treatment circuit also includes isolated part, for by transmission signal and reception signal
Isolated, the isolated part is in the first line between the radio-frequency power amplifier and the transmitting antenna.
Further, the radio frequency amplification treatment circuit also includes impedance match part, for according to the transmitting antenna
Load impedance, to the radio-frequency power amplifier carry out impedance matching；Described in the input connection of the impedance match part
Radio-frequency power amplifier, the output end of the impedance match part connect the first line or second according to control signal selection
Circuit.
Further, the communication terminal also includes main control chip, for the wireless communication signals type according to determination, hair
Go out the control signal for controlling the selecting switch connection first line or the second circuit；
Further, the main control chip is additionally operable to the wireless communication signals type according to determination, to the radio frequency work(
The parameter of rate amplifier is adjusted.
The characteristics of in order to more understand the utility model in detail and technology contents, below in conjunction with accompanying drawing to this practicality
New realization is described in detail, appended accompanying drawing purposes of discussion only for reference, is not used for limiting the utility model.
Embodiment one
Fig. 2 is the principle schematic of the radio frequency amplification treatment circuit of the utility model embodiment one；As shown in Fig. 2 described penetrate
Frequency amplification treatment circuit includes radio-frequency power amplifier 21, output matching network 22, first choice switch 23, duplexer 24, humorous
Wave filter 25, the second selecting switch 26 and transmitting antenna 27；
The output end of the radio-frequency power amplifier 21 connects the output matching network 22, the output matching network 22
Output end connect first choice switch 23, the first choice switch 23 can select to connect the duplexer 24 or institute
Harmonic filter 25 is stated, the duplexer 24 or the harmonic filter 25 can connect the transmitting antenna 27；
The radio-frequency power amplifier 21, for will be put including the various wireless communication signals for needing radio frequency to amplify
Greatly；
Specifically, both can including the mobile communications network standard signal including 2G/3G/4G, can also include WiFi and
WiMAX signals.
The output matching network 22, for the load impedance according to the transmitting antenna 27, the radio-frequency power is put
Big device 21 carries out impedance matching；
That is, first to any one signal by communication more than the 3 G mobile communication network standard of relatively low requirement
Signal, impedance matching is carried out to the radio frequency amplifier；
In the present embodiment, the output matching network 22 is using multiple LC resonance circuits output matching network in parallel, tool
Body structure is as shown in Figure 3.
The first choice switch 23, for the network formats according to signal, selects the defeated of the output matching network 22
Go out the line alignment at end；
The signal is more than 3 G mobile communication network standard signal, WiFi signal or during WiMAX signals, described
First choice switch 23 is placed in top, and the output matching network 22 is connected with the duplexer 24；
When the signal is the signal of Generation Mobile Telecommunication System network formats, the first choice switch 23 is placed below,
The output matching network 22 is connected with the harmonic filter 25；
The first choice switch 23 can be entered as the main control chip in the terminal device where radio frequency amplification treatment circuit
Row control.
The duplexer 24, for the signal be 3 G mobile communication network standard more than signal of communication when, will
The signal that the signal receives with transmitting antenna 27 is isolated；
Because the uplink and downlink signal of signal of communication more than 3 G mobile communication network standard is all by same hair
Penetrate what antenna 27 was received and dispatched, duplexer 24 is mainly used for being isolated uplink and downlink signals, is independent of each other.
The harmonic filter 25, for the signal be Generation Mobile Telecommunication System network formats signal of communication when, it is right
The signal carries out harmonic power and suppressed and FREQUENCY IMPEDANCE conversion；
The harmonic filter 25 can also make FREQUENCY IMPEDANCE conversion, further except that can carry out harmonic power suppression
Signal power is improved, meets the launch requirements of Generation Mobile Telecommunication System network formats signal of communication；
The structure of the harmonic filter 25 is as shown in Figure 4；
Second selecting switch 26, for the network formats according to signal, determine the duplexer 24 or the harmonic wave
One in wave filter 25 is connected with the transmitting antenna 27；
The main control chip in terminal device where the radio frequency amplification treatment circuit to second selecting switch 26 with
The first choice switch 23 carries out coordinated signals.
Embodiment two
A kind of communication terminal, including main control chip, down coversion part, low-noise amplifier, letter are provided in the present embodiment
Number modulating part, intermediate frequency amplifier, up-conversion part and radio frequency amplification treatment circuit；Wherein,
Annexation and each composition portion between the composition structure of the radio frequency amplification treatment circuit, each part
The principle of work and power divided is identical with described in embodiment one, repeats no more.
The main control chip, for the wireless communication signals type according to determination, control the selecting switch connection first
Circuit or the second circuit.
Specifically, network of the main control chip according to residing for the communication terminal, determines radio communication letter to be launched
Number type, and according to the wireless communication signals type of determination, send the control selecting switch connection first line or the second line
The control signal on road；
The main control chip, the wireless communication signals type according to determination is additionally operable to, to the radio-frequency power amplifier
Parameter is adjusted.
It is described above, preferred embodiment only of the present utility model, it is not intended to limit protection of the present utility model
Scope, all made within spirit of the present utility model and principle all any modification, equivalent and improvement etc., should be included in
Within the scope of protection of the utility model.
Claims (10)
1. a kind of radio frequency amplification treatment circuit, it is characterised in that the circuit includes：
Transmitting antenna；
The power of the first wireless communication signals after modulation or the second wireless communication signals is subjected to radio frequency amplification, and by after amplification
The first wireless communication signals transmit to transmitting antenna and launched via first line, or by the second radio communication after amplification
Signal via the second line transmission to filter part radio-frequency power amplifier；
The second wireless communication signals after amplification are filtered with processing, and filtered second wireless communication signals are continued on through
The filter part launched by the second line transmission to transmitting antenna.
2. circuit according to claim 1, it is characterised in that the circuit also includes selecting switch, the selecting switch
Fixing end be connected with the output end of the radio-frequency power amplifier, the selection end of the selecting switch selects according to control signal
Connect first line or the second circuit.
3. circuit according to claim 1 or 2, it is characterised in that the circuit also includes：By transmission signal and receive letter
The isolation filter part of isolation filter number is carried out, the isolation filter part is located at the radio-frequency power amplifier and the transmitting
In first line between antenna.
4. circuit according to claim 1 or 2, it is characterised in that the circuit also includes：According to the transmitting antenna
Load impedance carries out the impedance match part of impedance matching to the radio-frequency power amplifier；The input of the impedance match part
End connects the radio-frequency power amplifier, and the output end of the impedance match part is according to control signal selection connection described first
Circuit or the second circuit.
5. circuit according to claim 1 or 2, it is characterised in that the filter part is harmonic filter.
6. a kind of communication terminal, it is characterised in that the communication terminal includes down coversion part, low-noise amplifier, signal and adjusted
Part, intermediate frequency amplifier, up-conversion part and radio frequency amplification treatment circuit processed；The radio frequency amplification treatment circuit includes：
Transmitting antenna；
The power of the first wireless communication signals after modulation or the second wireless communication signals is subjected to radio frequency amplification, and by after amplification
The first wireless communication signals transmit to transmitting antenna and launched via first line, or by the second radio communication after amplification
Signal via the second line transmission to filter part radio-frequency power amplifier；
The second wireless communication signals after amplification are filtered with processing, and filtered second wireless communication signals are continued on through
The filter part launched by the second line transmission to transmitting antenna.
7. communication terminal according to claim 6, it is characterised in that the radio frequency amplification treatment circuit is also opened including selection
Close, the fixing end of the selecting switch is connected with the output end of the radio-frequency power amplifier, the selection end of the selecting switch
Connection first line or the second circuit are selected according to control signal.
8. the communication terminal according to claim 6 or 7, it is characterised in that the radio frequency amplification treatment circuit also includes：Will
Transmission signal and reception signal carry out the isolation filter part of isolation filter, and the isolation filter part is located at the radio-frequency power
In first line between amplifier and the transmitting antenna.
9. the communication terminal according to claim 6 or 7, it is characterised in that the radio frequency amplification treatment circuit also includes：Root
The impedance match part of impedance matching is carried out to the radio-frequency power amplifier according to the load impedance of the transmitting antenna；The resistance
The input of anti-matching block connects the radio-frequency power amplifier, and the output end of the impedance match part is according to control signal
Selection connects the first line or the second circuit.
10. communication terminal according to claim 7, it is characterised in that the communication terminal also includes：According to the nothing of determination
Line communication signal type, send the master control core for the control signal for controlling the selecting switch connection first line or the second circuit
Piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720533970.7U CN206948290U (en) | 2017-05-15 | 2017-05-15 | A kind of radio frequency amplification treatment circuit and communication terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720533970.7U CN206948290U (en) | 2017-05-15 | 2017-05-15 | A kind of radio frequency amplification treatment circuit and communication terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206948290U true CN206948290U (en) | 2018-01-30 |
Family
ID=61360645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720533970.7U Active CN206948290U (en) | 2017-05-15 | 2017-05-15 | A kind of radio frequency amplification treatment circuit and communication terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206948290U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107104684A (en) * | 2017-05-15 | 2017-08-29 | 尚睿微电子（上海）有限公司 | A kind of radio frequency amplification treatment circuit and communication terminal |
-
2017
- 2017-05-15 CN CN201720533970.7U patent/CN206948290U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107104684A (en) * | 2017-05-15 | 2017-08-29 | 尚睿微电子（上海）有限公司 | A kind of radio frequency amplification treatment circuit and communication terminal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2017113583A1 (en) | Control circuit for implementing carrier aggregation and dual-band wifi mimo, and terminal | |
| CN107210775B (en) | High frequency power amplification module and communication device | |
| CN107104684A (en) | A kind of radio frequency amplification treatment circuit and communication terminal | |
| CN106559100A (en) | A kind of communication RF front-end module and communication means | |
| CN108900411B (en) | Lora full duplex gateway | |
| CN106027167A (en) | Anti-harmonic interference device for carrier aggregation, antenna device and mobile terminal | |
| CN103368718B (en) | A kind of Full-duplex wireless communications device, method and system | |
| CN105610453A (en) | High-gain narrowband radio frequency receiver | |
| CN102420634A (en) | Wireless communication transmitting and receiving system | |
| CN102404021A (en) | Duplex amplifying module, radio frequency front end module and multi-mode terminal | |
| CN102970260B (en) | Noise suppressing method, device and LTE digital microwave radio remote unit coverage system | |
| CN106559048A (en) | A kind of multi-mode radio frequency power amplifier | |
| CN108649971A (en) | A kind of terminal device | |
| CN201947260U (en) | Bluetooth device and terminal | |
| CN104902588A (en) | Multimode two-way terminal | |
| CN111431545B (en) | Electronic equipment and communication interference control method | |
| CN102404020A (en) | Power amplification module, multimode radio frequency transceiver and multimode terminal | |
| CN204928833U (en) | Digit remote radio head system suitable for two standards of single power amplifier | |
| CN102611469B (en) | A kind of phase-shift filtering method | |
| CN109150229A (en) | Control the mobile terminal and tdd systems of the receiving sensitivity of TDD system | |
| CN102404881A (en) | Dual-mode radio frequency transceiver, filtering device and dual-mode terminal | |
| CN106374964B (en) | Wireless communication module and its method for reducing radiation dispersion | |
| CN206948290U (en) | A kind of radio frequency amplification treatment circuit and communication terminal | |
| CN105305985A (en) | Radio frequency amplification device | |
| CN104580043B (en) | A kind of digital pre-distortion system and its method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |