CN101521519A - Signal transceiver for radio communication device - Google Patents
Signal transceiver for radio communication device Download PDFInfo
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- CN101521519A CN101521519A CN200810082304A CN200810082304A CN101521519A CN 101521519 A CN101521519 A CN 101521519A CN 200810082304 A CN200810082304 A CN 200810082304A CN 200810082304 A CN200810082304 A CN 200810082304A CN 101521519 A CN101521519 A CN 101521519A
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Abstract
A signal transceiver capable of saving the cost of a radio communication device comprises an antenna, an antenna switch module, a radio frequency signal-processing unit, a radio-frequency front-end circuit unit, a first selection unit and a second selection unit. The signal transceiver utilizes the operation of the first and the second selection units to ensure that a plurality of operation frequency bands of the radio communication device can share the radio-frequency front-end circuit unit, so that the production cost of the radio-frequency front-end circuit unit can be reduced greatly.
Description
Technical field
The present invention is meant a kind of signal receiving/transmission device that is used for a radio communication device, refers to a kind of signal receiving/transmission device of saving the production cost of a radio communication device especially.
Background technology
The generation evolution of wireless communication system changes fast in the period of several, the wireless communication system of main flow is from global system for mobile communications (Global System for Mobile Communications at present, GSM) march toward 3-G (Generation Three mobile communication system) (Universal Mobile Telecommunications System, UMTS).Countries in the world are different separately for the open frequency range of each wireless communication system, are example with the global system for mobile communications, and north America region uses frequency range to be 850MHz and 1900MHz, and Europe uses frequency range to be 900MHz and 1800MHz; With the 3-G (Generation Three mobile communication system) is example, and north America region uses frequency range to be 850MHz and 1900MHz, and Europe uses frequency range to be 2100MHz.Because countries in the world are for the open frequency range difference of each wireless communication system, therefore, when manufacturer in design during radio communication device, in order transnationally to peddle and reduce production cost, in the radiofrequency signal R-T unit of radio communication device, usually comprise many covers radio-frequency (RF) front-end circuit unit (RF Front-End), correspond respectively to different ghz area and use.
Please refer to Fig. 1, Fig. 1 is the schematic diagram of a known signal R-T unit 10.As shown in Figure 1, signal receiving/transmission device 10 comprises a radiofrequency signal processing unit (RF transceiver) 100,1 first radio-frequency (RF) front-end circuit unit 102, one second radio-frequency (RF) front-end circuit unit 104, an antenna switch module (AntennaSwitch Module, ASM) 106 and one antenna 108.Radiofrequency signal processing unit 100 is coupled to the first radio-frequency (RF) front-end circuit unit 102 and the second radio-frequency (RF) front-end circuit unit 104, comprise a plurality of signals emission terminals and a plurality of signal receiving end, be used for to radiofrequency signal modulate, rectification, synthesize, relative program such as mixing.The first radio-frequency (RF) front-end circuit unit 102 and the second radio-frequency (RF) front-end circuit unit 104 are coupled between radiofrequency signal processing unit 100 and the antenna switch module 106, be that two groups of correspondences are used in different frequency range, function class like but the different circuit of part specifications is used for radiofrequency signal carried out relative programs such as filtering, power amplification, coupling, duplex.Antenna switch module 106 is coupled to the first radio-frequency (RF) front-end circuit unit 102, the second radio-frequency (RF) front-end circuit unit 104 and antenna 108, comprise a plurality of duplex transmission terminals, be used for operation frequency range according to radio communication device, select a duplexing transmission terminal to be coupled to antenna 108 by a plurality of duplex transmission terminals of antenna switch module 106.Antenna 108 is used for launching or received RF signal.
Further specify the first radio-frequency (RF) front-end circuit unit 102 and the second radio-frequency (RF) front-end circuit unit 104.With the first radio-frequency (RF) front-end circuit unit 102 is example, and it comprises a radio-frequency transmissions processing unit 120 in addition, a radio frequency receives a processing unit 122 and a duplexer (Duplexer) 124.Radio-frequency transmissions processing unit 120 includes Surface Acoustic Wave Filter (SAW filter), power amplifier, and (Power Amplifier PA), coupler (Coupler), isolator associated components such as (Isolator), is used for handling and transmitting radiofrequency signal.Radio frequency receives processing unit 122 and includes Surface Acoustic Wave Filter and low noise amplifier (LowNoise Amplifier, associated component such as LNA) are used for receiving and handling radiofrequency signal.Duplexer 124 is used for switching the emission and the reception of radiofrequency signal.It should be noted that the first radio-frequency (RF) front-end circuit unit 102 and the second radio-frequency (RF) front-end circuit unit 104 are two groups of corresponding radio-frequency (RF) front-end circuit that are used in different frequency range.For instance, desire to sell to north America region or Europe if use the radio communication device of known signal R-T unit 10, the first radio-frequency (RF) front-end circuit unit, 102 required assemblies can design and be used in the 850MHz frequency range, and the second radio-frequency (RF) front-end circuit unit, 104 required assemblies can design and be used in the 2100MHz frequency range.The module position of the first radio-frequency (RF) front-end circuit unit 102 and the second radio-frequency (RF) front-end circuit unit 104 is all reserved on circuit board, the radio communication device dealer can be required according to different sales territories frequency range, how the decision practical application organizes the assembly of radio-frequency (RF) front-end circuit unit.
With the mobile phone product, need take into account miniaturization and multi-functional trend, therefore, the area of circuit layout is more and more littler, and the cost of product is also more and more higher.Yet considerable because of the assembly cost of radio-frequency (RF) front-end circuit, the mode of radio-frequency (RF) front-end circuit unit is organized in known reservation more both can't dwindle wiring area and small product size, also expended production cost, and product is maintained the competitiveness in market.
Summary of the invention
Therefore, main purpose of the present invention promptly is to provide a kind of signal receiving/transmission device of saving a radio communication device cost.
The present invention discloses a kind of signal receiving/transmission device that is used for a radio communication device, and in order to save the wiring area and to reduce cost, it includes an antenna; One antenna switch module is coupled to above-mentioned antenna, includes a plurality of duplex transmission terminals; One radiofrequency signal processing unit includes a plurality of signal emission terminals and a plurality of signal receiving end, is used for producing and handle radiofrequency signal by above-mentioned a plurality of signal emission terminals and above-mentioned a plurality of signal receiving end; One radio-frequency (RF) front-end circuit unit is used for radiofrequency signal is carried out signal processing; One first selected cell, be coupled between above-mentioned radiofrequency signal processing unit and the above-mentioned radio-frequency (RF) front-end circuit unit, be used for operation frequency range according to above-mentioned radio communication device, select a signal emission terminal and signal receiving end to be coupled to above-mentioned radio-frequency (RF) front-end circuit unit respectively by above-mentioned a plurality of signals emission terminals and above-mentioned a plurality of signal receiving end; And one second selected cell, be coupled between above-mentioned radio-frequency (RF) front-end circuit unit and the above-mentioned antenna switch module, be used for operation frequency range according to above-mentioned radio communication device, select a duplexing transmission terminal to be coupled to above-mentioned radio-frequency (RF) front-end circuit unit by above-mentioned a plurality of duplex transmission terminals.
The present invention discloses a kind of signal receiving/transmission device that is used for a radio communication device in addition, and in order to save the wiring area and to reduce cost, it includes an Anneta module; One radiofrequency signal processing unit includes a plurality of signal emission terminals and a plurality of signal receiving end, is used for producing and handle radiofrequency signal by above-mentioned a plurality of signal emission terminals and above-mentioned a plurality of signal receiving end; One radio-frequency (RF) front-end circuit unit, be coupled to above-mentioned Anneta module, be used for radiofrequency signal is carried out signal processing, an and selected cell, be coupled between above-mentioned radiofrequency signal processing unit and the above-mentioned radio-frequency (RF) front-end circuit unit, be used for operation frequency range according to above-mentioned radio communication device, select a signal emission terminal and signal receiving end to be coupled to above-mentioned radio-frequency (RF) front-end circuit unit respectively by above-mentioned a plurality of signals emission terminals and above-mentioned a plurality of signal receiving end.
The present invention discloses a kind of signal receiving/transmission device that is used for a radio communication device in addition, and in order to save the wiring area and to reduce cost, it includes an Anneta module; One radiofrequency signal processing unit includes a plurality of signal emission terminals and a plurality of signal receiving end, is used for producing and handle radiofrequency signal by above-mentioned a plurality of signal emission terminals and above-mentioned a plurality of signal receiving end; One radio-frequency (RF) front-end circuit unit is used for radiofrequency signal is carried out signal processing; An and selected cell, be coupled between above-mentioned radio-frequency (RF) front-end circuit unit and the above-mentioned Anneta module, be used for operation frequency range according to above-mentioned radio communication device, select a duplexing transmission terminal to be coupled to above-mentioned radio-frequency (RF) front-end circuit unit by a plurality of duplex transmission terminals of above-mentioned Anneta module.
Beneficial effect of the present invention is to make a plurality of operation frequency ranges of above-mentioned radio communication device can share above-mentioned radio-frequency (RF) front-end circuit unit, significantly to reduce the production cost of above-mentioned radio communication device.
Description of drawings
Fig. 1 is the schematic diagram of known signal R-T unit.
Fig. 2 is the schematic diagram of a signal receiving/transmission device of the embodiment of the invention.
Embodiment
Please refer to Fig. 2, Fig. 2 is used for the schematic diagram of a signal receiving/transmission device 20 of a radio communication device for the embodiment of the invention.Radio communication device can be that a mobile phone or other can carry out the electronic installation of radio communication, signal receiving/transmission device 20 then is used for receiving and dispatching the radiofrequency signal corresponding to radio communication device, as fundamental frequency signal being converted to radiofrequency signal and being emitted in the air, or the radiofrequency signal that is received is treated to fundamental frequency signal.Signal receiving/transmission device 20 includes an antenna 202, one antenna switch modules 204, a radiofrequency signal processing unit 206, a radio-frequency (RF) front-end circuit unit 208, one first selected cell 210 and one second selected cell 212.
Antenna 202 is coupled to antenna switch module 204, is used for launching or received RF signal.Antenna switch module 204 is coupled between the antenna 202 and second selected cell 212, include duplex transmission terminal 2040,2042, be used for operation frequency range according to radio communication device, by selecting a duplexing transmission terminal to be coupled to antenna 202 in the duplex transmission terminal 2040,2042.Radiofrequency signal processing unit 206 is coupled to first selected cell 210, includes signal emission terminal 2060,2062 and signal receiving end 2064,2066, be used for to radiofrequency signal modulate, relative programs such as rectification, synthetic, mixing.Radio-frequency (RF) front-end circuit unit 208 is coupled between first selected cell 210 and second selected cell 212, comprise one first signal emission terminal 220, one first signal receiving end, 230, one duplexing transmission terminal 240 and other associated component (describing in detail as the back), be used for radiofrequency signal carried out relative programs such as filtering, power amplification, coupling, duplex.First selected cell 210 is coupled between radiofrequency signal processing unit 206 and the radio-frequency (RF) front-end circuit unit 208, and it includes emission switch assembly 2100,2102 and receiving key assembly 2104,2106.Emission switch assembly 2100,2102 is respectively coupled between signal emission terminal 2060,2062 and first signal emission terminal 220, be used for operation frequency range according to radio communication device, set the conducting situation of corresponding signal emission terminal to the first signal emission terminal 220.2104,2106 of receiving key assemblies are respectively coupled between signal receiving end 2064,2066 and first signal receiving end 230, be used for operation frequency range according to radio communication device, set the conducting situation of corresponding signal receiving end to the first signal receiving end 230.Second selected cell 212 is coupled between antenna switch module 204 and the radio-frequency (RF) front-end circuit unit 208, and it includes switch module 2120,2122.Switch module 2120,2122 is respectively coupled between duplex transmission terminal 2040,2042 and the duplex transmission terminal 240, is used for operation frequency range according to radio communication device, sets the conducting situation of corresponding duplex transmission terminal to duplex transmission terminal 240.
Further specify radio-frequency (RF) front-end circuit unit 208.Radio-frequency (RF) front-end circuit unit 208 is except comprising aforesaid first signal emission terminal 220, first signal receiving end 230 and duplex transmission terminal 240, and other includes a duplexer 250, an emission of radio frequency signals processing unit 260 and a radiofrequency signal and receives processing unit 270.Duplexer 250 is coupled to emission of radio frequency signals processing unit 260, radiofrequency signal receives between processing unit 270 and the duplex transmission terminal 240, the emission and the reception that are used for switching radiofrequency signal.Emission of radio frequency signals processing unit 260 is coupled between first signal emission terminal 220 and the duplexer 250, is used for radiofrequency signal carried out signal handlers such as filtering, power amplification, coupling.Radiofrequency signal receives processing unit 270 and is coupled between first signal receiving end 230 and the duplexer 250, is used for radiofrequency signal carried out signal handlers such as filtering, power amplification.
As from the foregoing, first selected cell 210 can be according to the operation frequency range of radio communication device, select signal emission terminal to be coupled to first signal emission terminal 220 of radio-frequency (RF) front-end circuit unit 208 by the signal emission terminal 2060,2062 of radiofrequency signal processing unit 206, reach by signal receiving end 2064,2066 of radiofrequency signal processing unit 206 and select signal receiving end to be coupled to first signal receiving end 230 of radio-frequency (RF) front-end circuit unit 208.On the other hand, second selected cell 212 can select a duplexing transmission terminal to be coupled to the duplex transmission terminal 240 of radio-frequency (RF) front-end circuit unit 208 by the duplex transmission terminal 2040,2042 of antenna switch module 204 according to the operation frequency range of radio communication device.In other words, 20 need of signal receiving/transmission device comprise one group of radio-frequency (RF) front-end circuit (being radio-frequency (RF) front-end circuit unit 208), by the change action of first selected cell 210 and second selected cell 212, can handle the emission and the reception of different frequency range radiofrequency signal.For instance, if use the radio communication device of signal receiving/transmission device 20 to desire to sell to north America region, radio-frequency (RF) front-end circuit unit 208 required assemblies can design and be used in the 850MHz frequency range; Desire to sell to Europe, then radio-frequency (RF) front-end circuit unit 208 required assemblies can design and be used in the 2100MHz frequency range.
It should be noted that Fig. 2 is the schematic diagram of embodiment of the invention signal receiving/transmission device 20, this area tool knows that usually the knowledgeable is when doing different modifications according to this.For instance, the designer can optionally select only to use first selected cell 210 or second selected cell 212.If only use first selected cell 210, then the duplex transmission terminal 240 of radio-frequency (RF) front-end circuit unit 208 promptly is coupled to the duplex transmission terminal 2040,2042 of antenna switch module 204; If only use second selected cell 212, then first signal of radio-frequency (RF) front-end circuit unit 208 emission terminal 220 promptly is coupled to the signal emission terminal 2060,2062 of radiofrequency signal processing unit 206, and first signal receiving end 230 promptly is coupled to signal receiving end 2064,2066 of radiofrequency signal processing unit 206.
In addition, the signal emission terminal that radiofrequency signal processing unit 206 is comprised and the quantity of signal receiving end can be set according to the designer is required, are not limited to specific quantity; In like manner, the duplex transmission terminal that comprised of antenna switch module 204 can also be an any amount.In this case, first selected cell 210 and second selected cell 212 can increase or reduce the quantity of switch module according to this.On the other hand, in Fig. 2, radio-frequency (RF) front-end circuit unit 208 is that it can change according to the designer is required, and is not limited thereto in order to the emission or the reception of processing radiofrequency signal.In embodiments of the present invention, signal receiving/transmission device 20 can be used in two different frequency ranges by first selected cell 210 and the change action of second selected cell 212.In like manner, if radiofrequency signal processing unit 206 includes three signal emission terminals and three signal receiving end, and antenna switch module 204 is when also including three duplex transmission terminals, signal receiving/transmission device 20 can be used in three different frequency ranges by first selected cell 210 and the change action of second selected cell 212, and the rest may be inferred.
As from the foregoing, the designer only need leave the wiring and the part position of one group of radio-frequency (RF) front-end circuit (being radio-frequency (RF) front-end circuit unit 208), and the frequency range required according to different sales territories, switch first selected cell 210 and second selected cell 212, to be applicable to country variant, area etc.Therefore, the embodiment of the invention can be improved in the known technology essential many cover shortcomings that radio-frequency (RF) front-end circuit caused of reserving, and as can't dwindling wiring area and small product size, and expends production cost etc.
In sum, the embodiment of the invention is the change action by first selected cell 210 and second selected cell 212, make the radio-frequency (RF) front-end circuit unit 208 can be according to the operation frequency range of radio communication device, the different assembly of corresponding use, with the emission and the reception of the radiofrequency signal of handling different frequency range, can dwindle wiring area and small product size and then saving production cost.
Though the present invention with preferred embodiment openly as above; right its is not in order to qualification the present invention, those skilled in the art, without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (20)
1. signal receiving/transmission device that is used for radio communication device is characterized in that it includes:
Antenna switch module includes a plurality of duplex transmission terminals;
The radiofrequency signal processing unit includes a plurality of signal emission terminals and a plurality of signal receiving end, is used for producing and handle a radiofrequency signal by above-mentioned a plurality of signal emission terminals and above-mentioned a plurality of signal receiving end;
The radio-frequency (RF) front-end circuit unit is used for radiofrequency signal is carried out signal processing;
First selected cell, be coupled between above-mentioned radiofrequency signal processing unit and the above-mentioned radio-frequency (RF) front-end circuit unit, be used for operation frequency range according to above-mentioned radio communication device, select a signal emission terminal and signal receiving end to be coupled to above-mentioned radio-frequency (RF) front-end circuit unit respectively by above-mentioned a plurality of signals emission terminals and above-mentioned a plurality of signal receiving end; And
Second selected cell, be coupled between above-mentioned radio-frequency (RF) front-end circuit unit and the above-mentioned antenna switch module, be used for operation frequency range according to above-mentioned radio communication device, select a duplexing transmission terminal to be coupled to above-mentioned radio-frequency (RF) front-end circuit unit by above-mentioned a plurality of duplex transmission terminals.
2. signal receiving/transmission device according to claim 1 is characterized in that, wherein above-mentioned antenna switch module is used for according to the operation frequency range of above-mentioned radio communication device, selects a duplexing transmission terminal to be coupled to above-mentioned antenna by above-mentioned a plurality of duplex transmission terminals.
3. signal receiving/transmission device according to claim 1 is characterized in that, wherein above-mentioned radio-frequency (RF) front-end circuit unit pack contains:
First signal emission terminal;
First signal receiving end;
The duplex transmission terminal;
Duplexer is coupled to above-mentioned duplex transmission terminal;
The emission of radio frequency signals processing unit is coupled between above-mentioned first signal emission terminal and the above-mentioned duplexer; And
Radiofrequency signal receives processing unit, is coupled between above-mentioned first signal receiving end and the above-mentioned duplexer.
4. signal receiving/transmission device according to claim 3 is characterized in that, it is to be used for radiofrequency signal is carried out signal processing that wherein above-mentioned emission of radio frequency signals processing unit and above-mentioned radiofrequency signal receive processing unit.
5. signal receiving/transmission device according to claim 1 is characterized in that, wherein above-mentioned first selected cell includes:
A plurality of emission switch assemblies, the signal that each emission switch assembly is coupled in above-mentioned a plurality of signal emission terminal is launched between the signal emission terminal of terminal and above-mentioned radio-frequency (RF) front-end circuit unit, be used for operation frequency range according to above-mentioned radio communication device, set the supreme conducting situation of stating the above-mentioned signal emission terminal of radio-frequency (RF) front-end circuit unit of above-mentioned signal emission terminal; And
A plurality of receiving key assemblies, each receiving key assembly is coupled between signal receiving end of signal receiving end in above-mentioned a plurality of signal receiving end and above-mentioned radio-frequency (RF) front-end circuit unit, be used for operation frequency range according to above-mentioned radio communication device, set the conducting situation of above-mentioned signal receiving end to above-mentioned signal receiving end of above-mentioned radio-frequency (RF) front-end circuit unit.
6. signal receiving/transmission device according to claim 1, it is characterized in that, wherein above-mentioned second selected cell includes a plurality of switch modules, each switch module is coupled between the duplexing transmission terminal of duplexing transmission terminal in above-mentioned a plurality of duplex transmission terminal and above-mentioned radio-frequency (RF) front-end circuit unit, be used for operation frequency range according to above-mentioned radio communication device, set the conducting situation of above-mentioned duplex transmission terminal to the above-mentioned duplex transmission terminal of above-mentioned radio-frequency (RF) front-end circuit unit.
7. signal receiving/transmission device according to claim 1 is characterized in that, wherein above-mentioned radio communication device is a mobile phone.
8. signal receiving/transmission device that is used for radio communication device is characterized in that it includes:
Anneta module;
The radiofrequency signal processing unit includes a plurality of signal emission terminals and a plurality of signal receiving end, is used for producing and handle radiofrequency signal by above-mentioned a plurality of signal emission terminals and above-mentioned a plurality of signal receiving end;
The radio-frequency (RF) front-end circuit unit is coupled to above-mentioned Anneta module, is used for above-mentioned radiofrequency signal is carried out signal processing, and
Selected cell, be coupled between above-mentioned radiofrequency signal processing unit and the above-mentioned radio-frequency (RF) front-end circuit unit, be used for operation frequency range according to above-mentioned radio communication device, select a signal emission terminal and signal receiving end to be coupled to above-mentioned radio-frequency (RF) front-end circuit unit respectively by above-mentioned a plurality of signals emission terminals and above-mentioned a plurality of signal receiving end.
9. signal receiving/transmission device according to claim 8 is characterized in that, wherein above-mentioned Anneta module includes:
Antenna; And
Antenna switch module, be coupled between above-mentioned antenna and the above-mentioned radio-frequency (RF) front-end circuit unit, include a plurality of duplex transmission terminals, be used for operation frequency range according to above-mentioned radio communication device, select a duplexing transmission terminal to be coupled to above-mentioned antenna by above-mentioned a plurality of duplex transmission terminals.
10. signal receiving/transmission device according to claim 9 is characterized in that, wherein above-mentioned radio-frequency (RF) front-end circuit unit is to be coupled to above-mentioned a plurality of duplex transmission terminal.
11. signal receiving/transmission device according to claim 8 is characterized in that, wherein above-mentioned radio-frequency (RF) front-end circuit unit pack contains:
First signal emission terminal;
First signal receiving end;
The duplex transmission terminal;
Duplexer is coupled to above-mentioned duplex transmission terminal;
The emission of radio frequency signals processing unit is coupled between above-mentioned first signal emission terminal and the above-mentioned duplexer; And
Radiofrequency signal receives processing unit, is coupled between above-mentioned first signal receiving end and the above-mentioned duplexer.
12. signal receiving/transmission device according to claim 11 is characterized in that, it is to be used for radiofrequency signal is carried out signal processing that wherein above-mentioned emission of radio frequency signals processing unit and above-mentioned radiofrequency signal receive processing unit.
13. signal receiving/transmission device according to claim 8 is characterized in that, wherein above-mentioned selected cell includes:
A plurality of emission switch assemblies, the signal that each emission switch assembly is coupled in above-mentioned a plurality of signal emission terminal is launched between the signal emission terminal of terminal and above-mentioned radio-frequency (RF) front-end circuit unit, be used for operation frequency range according to above-mentioned radio communication device, set the supreme conducting situation of stating the above-mentioned signal emission terminal of radio-frequency (RF) front-end circuit unit of above-mentioned signal emission terminal; And
A plurality of receiving key assemblies, each receiving key assembly is coupled between signal receiving end of signal receiving end in above-mentioned a plurality of signal receiving end and above-mentioned radio-frequency (RF) front-end circuit unit, be used for operation frequency range according to above-mentioned radio communication device, set the conducting situation of above-mentioned signal receiving end to above-mentioned signal receiving end of above-mentioned radio-frequency (RF) front-end circuit unit.
14. signal receiving/transmission device according to claim 8 is characterized in that, wherein above-mentioned radio communication device is a mobile phone.
15. a signal receiving/transmission device that is used for radio communication device is characterized in that it includes:
Antenna switch module includes a plurality of duplex transmission terminals;
The radiofrequency signal processing unit includes a plurality of signal emission terminals and a plurality of signal receiving end, is used for producing and handle radiofrequency signal by above-mentioned a plurality of signal emission terminals and above-mentioned a plurality of signal receiving end;
The radio-frequency (RF) front-end circuit unit is used for above-mentioned radiofrequency signal is carried out signal processing; And
Selected cell is coupled between above-mentioned radio-frequency (RF) front-end circuit unit and the above-mentioned Anneta module, is used for operation frequency range according to above-mentioned radio communication device, selects a duplexing transmission terminal to be coupled to above-mentioned radio-frequency (RF) front-end circuit unit by above-mentioned a plurality of duplex transmission terminals.
16. signal receiving/transmission device according to claim 15 is characterized in that, the signal emission terminal of wherein above-mentioned radio-frequency (RF) front-end circuit unit is the above-mentioned a plurality of signal emission terminals that are coupled to above-mentioned radiofrequency signal processing unit.
17. signal receiving/transmission device according to claim 15 is characterized in that, signal receiving end of wherein above-mentioned radio-frequency (RF) front-end circuit unit is above-mentioned a plurality of signal receiving end that are coupled to above-mentioned radiofrequency signal processing unit.
18. signal receiving/transmission device according to claim 15 is characterized in that, wherein above-mentioned radio-frequency (RF) front-end circuit unit pack contains:
First signal emission terminal;
First signal receiving end;
The duplex transmission terminal;
Duplexer is coupled to above-mentioned duplex transmission terminal;
The emission of radio frequency signals processing unit is coupled between above-mentioned first signal emission terminal and the above-mentioned duplexer; And
Radiofrequency signal receives processing unit, is coupled between above-mentioned first signal receiving end and the above-mentioned duplexer.
19. signal receiving/transmission device according to claim 18 is characterized in that, it is to be used for radiofrequency signal is carried out signal processing that wherein above-mentioned emission of radio frequency signals processing unit and above-mentioned radiofrequency signal receive processing unit.
20. signal receiving/transmission device according to claim 15, it is characterized in that, wherein above-mentioned selected cell includes a plurality of switch modules, each switch module is coupled between the duplexing transmission terminal of duplexing transmission terminal in above-mentioned a plurality of duplex transmission terminal and above-mentioned radio-frequency (RF) front-end circuit unit, be used for operation frequency range according to above-mentioned radio communication device, set the conducting situation of above-mentioned duplex transmission terminal to the above-mentioned duplex transmission terminal of above-mentioned radio-frequency (RF) front-end circuit unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810082304A CN101521519A (en) | 2008-02-29 | 2008-02-29 | Signal transceiver for radio communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810082304A CN101521519A (en) | 2008-02-29 | 2008-02-29 | Signal transceiver for radio communication device |
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| Publication Number | Publication Date |
|---|---|
| CN101521519A true CN101521519A (en) | 2009-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810082304A Pending CN101521519A (en) | 2008-02-29 | 2008-02-29 | Signal transceiver for radio communication device |
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| CN (1) | CN101521519A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437864A (en) * | 2011-09-13 | 2012-05-02 | 惠州Tcl移动通信有限公司 | Radio frequency signal transceiving module and mobile phone |
| WO2013063931A1 (en) * | 2011-11-04 | 2013-05-10 | 中兴通讯股份有限公司 | Duplex amplifier module, radio frequency front-end module, and multi-mode terminal |
| CN105375946A (en) * | 2014-08-13 | 2016-03-02 | 天工方案公司 | Transmitting front-end module for dual antenna applications |
| WO2023160262A1 (en) * | 2022-02-25 | 2023-08-31 | 华为技术有限公司 | Radio-frequency front-end circuit and electronic device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1549644A (en) * | 2003-05-23 | 2004-11-24 | �ʼҷ����ֵ��ӹɷ�����˾ | Multi-band and multi-mode mobile terminal in radio communication system |
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2008
- 2008-02-29 CN CN200810082304A patent/CN101521519A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1549644A (en) * | 2003-05-23 | 2004-11-24 | �ʼҷ����ֵ��ӹɷ�����˾ | Multi-band and multi-mode mobile terminal in radio communication system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437864A (en) * | 2011-09-13 | 2012-05-02 | 惠州Tcl移动通信有限公司 | Radio frequency signal transceiving module and mobile phone |
| WO2013063931A1 (en) * | 2011-11-04 | 2013-05-10 | 中兴通讯股份有限公司 | Duplex amplifier module, radio frequency front-end module, and multi-mode terminal |
| CN105375946A (en) * | 2014-08-13 | 2016-03-02 | 天工方案公司 | Transmitting front-end module for dual antenna applications |
| CN105375946B (en) * | 2014-08-13 | 2020-03-03 | 天工方案公司 | Transmit front-end module for dual antenna applications |
| WO2023160262A1 (en) * | 2022-02-25 | 2023-08-31 | 华为技术有限公司 | Radio-frequency front-end circuit and electronic device |
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Application publication date: 20090902 |