CN106506036A - Radio circuit and mobile terminal - Google Patents
Radio circuit and mobile terminal Download PDFInfo
- Publication number
- CN106506036A CN106506036A CN201611010255.1A CN201611010255A CN106506036A CN 106506036 A CN106506036 A CN 106506036A CN 201611010255 A CN201611010255 A CN 201611010255A CN 106506036 A CN106506036 A CN 106506036A
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- China
- Prior art keywords
- wave filter
- switching switch
- radiofrequency signal
- external low
- several
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- 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.)
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Classifications
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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
- H04B1/401—Circuits for selecting or indicating operating mode
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
Abstract
The present invention relates to a kind of radio circuit and mobile terminal, including antenna, several wave filter, switching switch, several external low-noise amplifiers, RF transceiver and controller, the switching switch includes several not moved end and several moved ends, each does not connect the outfan of a wave filter in moved end respectively, the switching switch is used for the output channel for switching the wave filter, the input of each external low-noise amplifier connects a moved end of the switching switch respectively, the controller is used for being controlled with switched conductive the switching switch or turns off the output channel of the wave filter；By increasing the external low-noise amplifier for being adapted to different frequency range in the front end of RF transceiver, and switch the receiving path of different frequency range radiofrequency signal by switching switch, denoising and processing and amplifying can be carried out to the radiofrequency signal of multiband, circuit is simple and reliable, effectively raises the communication quality of mobile terminal.
Description
Technical field
The present invention relates to radio-frequency technique, more particularly to a kind of radio circuit and mobile terminal.
Background technology
In modern communicationses field, the requirement more and more higher to the receptivity of mobile terminal, in order to improve mobile terminal
Signal receiving quality, at present, universal communication terminal adds low-noise amplifier in RF transceiver chip internal to realize
The amplification and denoising of signal, and then carry out debugging demodulation.
But the performance of the low-noise amplifier of chip manufacturer is limited to, the reception of its radiofrequency signal to different frequency range is sensitive
Degree is different, causes the RF signal strength of band segment not enough, affects the communication quality of mobile terminal.
Content of the invention
It is based on this, it is necessary to a kind of radio circuit mobile terminal is provided, the radiofrequency signal of different frequency range can be gone
Make an uproar and processing and amplifying, the sensitivity of enhancing signal improves the communication quality of mobile terminal.
On the one hand, the present invention proposes a kind of radio circuit, including：
Antenna, for receiving the radiofrequency signal of different frequency range；
Several wave filter, for being filtered process respectively to the radiofrequency signal of the different frequency range；
Switching switch, comprising several not moved end and several moved ends, each does not connect a wave filter in moved end respectively
Outfan；Output channel of the switching switch for wave filter described on or off；
Several external low-noise amplifiers, the input of each external low-noise amplifier connect the switching respectively and open
The moved end that closes；Radiofrequency signal after the external low-noise amplifier is used for processing after filtering carries out denoising and power
Processing and amplifying；
RF transceiver, connects the outfan of the external low-noise amplifier, for through the external low noise
Radiofrequency signal after amplifier process carries out radio-frequency receiving-transmitting process；
Controller, for being controlled to the switching switch with the output channel of wave filter described on or off.
On the other hand, the present invention proposes a kind of mobile terminal, including：
Antenna, for receiving the radiofrequency signal of different frequency range；
Several wave filter, for being filtered process respectively to the radiofrequency signal of the different frequency range；
Switching switch, comprising several not moved end and several moved ends, each does not connect a wave filter in moved end respectively
Outfan；Output channel of the switching switch for wave filter described on or off；
Several external low-noise amplifiers, the input of each external low-noise amplifier connect the switching respectively and open
The moved end that closes；Radiofrequency signal after the external low-noise amplifier is used for processing after filtering carries out denoising and power
Processing and amplifying；
RF transceiver, connects the outfan of the external low-noise amplifier, for through the external low noise
Radiofrequency signal after amplifier process carries out radio-frequency receiving-transmitting process；
Controller, for being controlled to the switching switch with the output channel of wave filter described on or off.
Above-mentioned radio circuit and mobile terminal, including several wave filter, switching switch, several external low noise amplifications
Device, RF transceiver and controller, the switching switch include several not moved end and several moved ends, and each is not distinguished moved end
Connection one wave filter outfan, for switching the output channel of the wave filter, each external low-noise amplifier defeated
Enter the moved end that end connects the switching switch respectively, denoising and work(is carried out for the radiofrequency signal after to processing after filtering
Rate processing and amplifying, the controller are used for being controlled with switched conductive the switching switch or turn off the defeated of the wave filter
Go out passage；By increasing the external low-noise amplifier for being adapted to different frequency range in the front end of RF transceiver, and by switching
Switch to switch the receiving path of different frequency range radiofrequency signal, the radiofrequency signal of multiband can be carried out at denoising and amplification
Reason, circuit are simple and reliable, effectively raise the communication quality of mobile terminal.
Description of the drawings
Fig. 1 is the circuit structure diagram of radio circuit in an embodiment.
Specific embodiment
Referring to Fig. 1, Fig. 1 is the circuit structure diagram of radio circuit in an embodiment.
In the present embodiment, the radio circuit include antenna 16, several wave filter 10, switching switch 11, outside several
Set low noise amplifier 12, RF transceiver 13 and controller 14.
Antenna 16 is used for the radiofrequency signal for receiving different frequency range.
Several wave filter 10 are used for being filtered process respectively to the radiofrequency signal of the different frequency range that antenna 16 is received.?
Mobile terminal, such as mobile phone, intelligent watch, PAD etc., can receive the radiofrequency signal of different frequency range, to meet user differently
The communicating requirement in domain, radiofrequency signal need to be filtered process when receiving, and remove interference, ensure passing through for useful signal, by
The radiofrequency signal for having fixed working band, different frequency range in wave filter needs different wave filter to process.
Switching switch 11 includes several not moved end and several moved ends, and each does not connect a wave filter in moved end respectively
Outfan；Output channel of the switching switch for wave filter described on or off.
The input of each external low-noise amplifier 12 connects a moved end of the switching switch 11 respectively, for right
Radiofrequency signal after processing after filtering carries out denoising and power amplification is processed.One external low-noise amplifier 12 can be to more
The radiofrequency signal of individual frequency range carries out denoising and processing and amplifying, radio frequency of the such as frequency range for Band5 (frequency range 5) and Band8 (frequency range 8)
Signal is the radiofrequency signal less than 1GHz, can share the external low-noise amplifier 12 that working frequency range is 0～1GHz
To process, the radiofrequency signal that frequency range is located between 1GHz～2GHz can share a working frequency range for the external of 1GHz～2GHz
Low-noise amplifier 12 processing, more than frequency range 2GHz radiofrequency signal then with another external low-noise amplifier 12 come place
Reason.
The corresponding external low-noise amplifier 12 of the radiofrequency signal of a certain frequency range is controlled by switching switch 11 to connect
Logical, the frequency range of the radiofrequency signal is located in the working frequency range of the external low-noise amplifier.
Wherein in one embodiment, the switching switch 11 includes several single pole multiple throws, throws each hilted broadsword more
Moved end does not connect a wave filter to each of switch, and the moved end of each single pole multiple throw connects an external low-noise amplifier
12.Each single pole multiple throw is used for switching one group of wave filter, and the frequency range of the radiofrequency signal of this group of filter process is located at and this
In the working frequency range of the external low-noise amplifier 12 of single pole multiple throw connection.
The switching switch 11 can include a single pole multiple throw, the radiofrequency signal of the different frequency range that mobile terminal is received
Processed by an external low-noise amplifier 12.
RF transceiver 13 connects the outfan of the external low-noise amplifier 12, for through the external low noise
Radiofrequency signal after the process of acoustic amplifier 12 carries out radio-frequency receiving-transmitting process.Radiofrequency signal after filtering, denoising and processing and amplifying it
Afterwards, it is sent to RF transceiver 13 and is modulated, is mixed and demodulates etc. reason, finally gives the echo signal of needs.
Controller 14 is used for being controlled with the output channel of wave filter described on or off the switching switch 11.
The switching of controller 14 pairs switch 11 switches over control, ensures control corresponding switch closure when receiving radiofrequency signal, turns on
Receiving path of the radiofrequency signal from wave filter to RF transceiver between 13.Specifically, the controller 14 is used for controlling certain
Corresponding branch road conducting in the corresponding single pole multiple throw of the radiofrequency signal of frequency range.The radio circuit need not be in each wave filter
An external low-noise amplifier 12 is accessed below, can carry out denoising and processing and amplifying to the radiofrequency signal of different frequency range,
The signal receiving quality of the circuit is ensured, the sensitivity of enhancing signal, so that improve the communication quality of mobile terminal, circuit structure
Simply, practical.
Wherein in one embodiment, the radio circuit also includes duplexer module 15, and input connects antenna 16, defeated
Go out the input that end connects a wave filter respectively, for penetrating described on or off under the control action of the controller 14
The receiving channel of frequency signal.The duplexer module 15 once only allows the radio frequency letter of a frequency range in the presence of controller 14
Number by the radio circuit, anti-stop signal interference ensures the quality of reception of signal.
Wherein in one embodiment, the RF transceiver includes built-in low-noise amplifier 131, for through institute
State the further denoising of the radiofrequency signal after external low-noise amplifier 12 is processed and power amplification.
After radiofrequency signal is through the process of external low-noise amplifier 12, the built-in low noise that is sent in RF transceiver 13
Amplifier 131 is further processed to which, it is achieved that inside and outside two-stage denoising and power amplification, greatly enhances the radio frequency for receiving
The intensity and quality of signal.
The radio circuit can be arranged in mobile terminal, such as mobile phone, intelligent watch, PAD etc., improve the letter of mobile terminal
Number quality of reception, so that improve its communication quality.
Each technical characteristic of embodiment described above arbitrarily can be combined, for making description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but simultaneously
Therefore can not be construed as limiting the scope of the patent.It should be pointed out that for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (10)
1. a kind of radio circuit, it is characterised in that include：
Antenna, for receiving the radiofrequency signal of different frequency range；
Several wave filter, for being filtered process respectively to the radiofrequency signal of the different frequency range；
Switching switch, comprising several not moved end and several moved ends, each does not connect the output of a wave filter in moved end respectively
End；Output channel of the switching switch for wave filter described on or off；
Several external low-noise amplifiers, the input of each external low-noise amplifier connect the switching switch respectively
One moved end；Radiofrequency signal after the external low-noise amplifier is used for processing after filtering carries out denoising and power amplification
Process；
RF transceiver, connects the outfan of the external low-noise amplifier, for through the external low noise amplification
Radiofrequency signal after device process carries out radio-frequency receiving-transmitting process；
Controller, for being controlled to the switching switch with the output channel of wave filter described on or off.
2. radio circuit according to claim 1, it is characterised in that also include：
Duplexer module, input connect antenna, and outfan connects the input of a wave filter respectively, in the control
The receiving channel of radiofrequency signal described on or off under the control action of device processed.
3. radio circuit according to claim 1, it is characterised in that the switching switch comprising throwing out several hilted broadswords more
Close, each of each single pole multiple throw does not connect a wave filter in moved end, and the moved end of each single pole multiple throw connects one
External low-noise amplifier.
4. radio circuit according to claim 3, it is characterised in that the switching switch includes throwing out a hilted broadsword more
Close.
5. radio circuit according to claim 1, it is characterised in that the RF transceiver includes built-in low noise amplification
Device, for the further denoising of radiofrequency signal after the external low-noise amplifier is processed and power amplification.
6. a kind of mobile terminal, it is characterised in that include：
Antenna, for receiving the radiofrequency signal of different frequency range；
Several wave filter, for being filtered process respectively to the radiofrequency signal of different frequency range that the antenna is received；
Switching switch, comprising several not moved end and several moved ends, each does not connect the output of a wave filter in moved end respectively
End；Output channel of the switching switch for wave filter described on or off；
Several external low-noise amplifiers, the input of each external low-noise amplifier connect the switching switch respectively
One moved end；Radiofrequency signal after the external low-noise amplifier is used for processing after filtering carries out denoising and power amplification
Process；
RF transceiver, connects the outfan of the external low-noise amplifier, for through the external low noise amplification
Radiofrequency signal after device process carries out radio-frequency receiving-transmitting process；
Controller, for being controlled to the switching switch with the output channel of wave filter described on or off.
7. mobile terminal according to claim 6, it is characterised in that also include：
Duplexer module, input connect the antenna, and outfan connects the input of a wave filter respectively, in institute
State the receiving channel of radiofrequency signal described on or off under the control action of controller.
8. mobile terminal according to claim 6, it is characterised in that the switching switch comprising throwing out several hilted broadswords more
Close, each of each single pole multiple throw does not connect a wave filter in moved end, and the moved end of each single pole multiple throw connects one
External low-noise amplifier.
9. mobile terminal according to claim 8, it is characterised in that the switching switch includes throwing out a hilted broadsword more
Close.
10. mobile terminal according to claim 6, it is characterised in that the RF transceiver includes that built-in low noise is put
Big device, for the further denoising of radiofrequency signal after the external low-noise amplifier is processed and power amplification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611010255.1A CN106506036A (en) | 2016-11-16 | 2016-11-16 | Radio circuit and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611010255.1A CN106506036A (en) | 2016-11-16 | 2016-11-16 | Radio circuit and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106506036A true CN106506036A (en) | 2017-03-15 |
Family
ID=58324672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611010255.1A Withdrawn CN106506036A (en) | 2016-11-16 | 2016-11-16 | Radio circuit and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106506036A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107733451A (en) * | 2017-11-15 | 2018-02-23 | 珠海市魅族科技有限公司 | RF front-end circuit and mobile terminal device |
| CN108011192A (en) * | 2017-11-30 | 2018-05-08 | 广东欧珀移动通信有限公司 | Non-linear component, board structure of circuit and terminal device |
| CN108281781A (en) * | 2018-01-18 | 2018-07-13 | 广东欧珀移动通信有限公司 | Non-linear component, board structure of circuit and electronic device |
| CN110086478A (en) * | 2019-04-28 | 2019-08-02 | 维沃移动通信有限公司 | A kind of radio circuit and mobile terminal |
| CN110798232A (en) * | 2018-07-16 | 2020-02-14 | 中兴通讯股份有限公司 | Antenna receiving circuit, method, mobile terminal and storage medium |
| CN111600625A (en) * | 2020-05-14 | 2020-08-28 | 锐石创芯（深圳）科技有限公司 | Radio frequency front-end circuit and radio frequency front-end device |
| WO2021238534A1 (en) * | 2020-05-26 | 2021-12-02 | Oppo广东移动通信有限公司 | Radio frequency pa mid device, radio frequency transceiving system, and communication device |
| WO2022017174A1 (en) * | 2020-07-23 | 2022-01-27 | 华为技术有限公司 | Downlink transmission system and switching method |
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| CN1890898A (en) * | 2003-10-09 | 2007-01-03 | 英特尔公司 | Method and apparatus to provide an area efficient antenna diversity receiver |
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| CN103563261A (en) * | 2011-05-27 | 2014-02-05 | 高通股份有限公司 | Tunable multi-band receiver |
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- 2016-11-16 CN CN201611010255.1A patent/CN106506036A/en not_active Withdrawn
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| CN1439195A (en) * | 2000-06-26 | 2003-08-27 | 汤姆森许可贸易公司 | Self-adaptivve frequency band-pass filering device in microwave signal transceiver |
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| CN1890898A (en) * | 2003-10-09 | 2007-01-03 | 英特尔公司 | Method and apparatus to provide an area efficient antenna diversity receiver |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107733451A (en) * | 2017-11-15 | 2018-02-23 | 珠海市魅族科技有限公司 | RF front-end circuit and mobile terminal device |
| CN108011192A (en) * | 2017-11-30 | 2018-05-08 | 广东欧珀移动通信有限公司 | Non-linear component, board structure of circuit and terminal device |
| CN108011192B (en) * | 2017-11-30 | 2021-03-12 | Oppo广东移动通信有限公司 | Nonlinear assembly, circuit board structure and terminal equipment |
| CN108281781A (en) * | 2018-01-18 | 2018-07-13 | 广东欧珀移动通信有限公司 | Non-linear component, board structure of circuit and electronic device |
| CN110798232A (en) * | 2018-07-16 | 2020-02-14 | 中兴通讯股份有限公司 | Antenna receiving circuit, method, mobile terminal and storage medium |
| CN110086478A (en) * | 2019-04-28 | 2019-08-02 | 维沃移动通信有限公司 | A kind of radio circuit and mobile terminal |
| CN111600625A (en) * | 2020-05-14 | 2020-08-28 | 锐石创芯（深圳）科技有限公司 | Radio frequency front-end circuit and radio frequency front-end device |
| WO2021238534A1 (en) * | 2020-05-26 | 2021-12-02 | Oppo广东移动通信有限公司 | Radio frequency pa mid device, radio frequency transceiving system, and communication device |
| WO2022017174A1 (en) * | 2020-07-23 | 2022-01-27 | 华为技术有限公司 | Downlink transmission system and switching method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20170315 |