CN200950575Y - 4W multi-carrier power amplifier in TD-SCDMA system base station - Google Patents
4W multi-carrier power amplifier in TD-SCDMA system base station Download PDFInfo
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- CN200950575Y CN200950575Y CN 200620096432 CN200620096432U CN200950575Y CN 200950575 Y CN200950575 Y CN 200950575Y CN 200620096432 CN200620096432 CN 200620096432 CN 200620096432 U CN200620096432 U CN 200620096432U CN 200950575 Y CN200950575 Y CN 200950575Y
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Abstract
The utility model relates to a 4W multi-carrier power amplifier used in TD-SCDMA system base stations. The power amplifier mainly comprises a connector A, an input/output circuit 1, a power amplifying circuit, a low-noise amplifying circuit, a switch circuit 15 and a RF switch control circuit 20. The power amplifying circuit mainly comprises a switch circuit 2, an input detection circuit 3, a power divider circuit 4, a predistortion circuit 5, a temperature-compensated attenuator 6, a first stage amplifier 7, a second stage amplifier 8, a third stage amplifier 9, a forth stage amplifier 10, an output power detection circuit 11, a circulator 12, a coupler 13 and a reverse power detection circuit 14. The low-noise amplifying circuit mainly comprises a first stage amplifier 16, a second stage amplifier 17, a third stage amplifier 18 and a switch circuit 19. The utility model is featured with good linear indexes and high operation efficiency, and can be widely used in TD-SCDMA base station systems.
Description
Technical field
The utility model relates to a kind of power amplifier, is specifically related to a kind of 4W Multi-Carrier Power Amplifier of the TD-SCDMA of being used for system base-station.
Background technology
The TD-SCDMA/4W Multi-Carrier Power Amplifier, because neighboring trace suppresses (ACPR) index request height, good linearity, efficient requires high, for the level Four amplifier, how to select the cooperation of amplifier tubes at different levels in design, is a problem with challenge.For the efficiency index requirement, the power tube of last main amplifying stage can not select the excessive power of can not selecting of power too small.The excessive then power consumption of power is bigger; The too small requirement that then can not satisfy the neighboring trace inhibition again of power.Power amplifier for high efficiency requires and high linear index requires only can not satisfy index request with the back-off technology.
Work of TD-SCDMA/4W Multi-Carrier Power Amplifier and time-division state, inner power amplifier and the work of LNA circuit time-division, under power amplifier volume requirement conditions of higher, how to guarantee that the functional reliability of power amplifier and LNA circuit and stability also are technological challenges.
Summary of the invention
The purpose of this utility model is to provide a kind of 4W Multi-Carrier Power Amplifier of the TD-SCDMA of being used for system base-station, and it had both satisfied the requirement of neighboring trace inhibition (ACPR), can accomplish high efficiency again; Can guarantee again simultaneously that power amplifier and LNA circuit working are reliable, stable.
For achieving the above object, the technical solution of the utility model is: the 4W Multi-Carrier Power Amplifier in the TD-SCDMA system base-station, it is characterized in that: it is mainly by connector A, input/output circuitry 1, power amplifier, the LNA circuit, switching circuit 15 and radio-frequency (RF) switch control circuit 20 are formed, input/output circuitry 1 mainly is made up of filter and radio-frequency (RF) switch TRX-SW1, power amplifier is mainly by switching circuit 2, input detecting circuit 3, power divider circuit 4, predistortion circuit 5, temperature compensation attenuator 6, first order amplifier 7, second level amplifier 8, third level amplifier 9, fourth stage amplifier 10, power output detecting circuit 11, circulator 12, coupler 13, backward power detecting circuit 14 is formed, and the LNA circuit is mainly by first order amplifier 16, second level amplifier 17, third level amplifier 18 and switching circuit 19 are formed;
Connector A is connected with the filter of input/output circuitry 1, first output of the radio-frequency (RF) switch TRX-SW1 of input/output circuitry 1 is connected with the first input end of switching circuit 2, and the control end of radio-frequency (RF) switch TRX-SW1 is connected with first control end of radio-frequency (RF) switch control circuit 20; The output of switching circuit 2 is connected with the input mating end of power divider circuit 4, and the control end of switching circuit 2 is connected with second control end of radio-frequency (RF) switch control circuit 20; First output of power divider circuit 4 inputs to the input of input detecting circuit 3, second output of power divider circuit 4 inputs to the input of predistortion circuit 5, the defeated input that connects temperature compensation attenuator 6 of the output of predistortion circuit 5, the output of temperature compensation attenuator 6 connects the input of first order amplifier 7, the output of first order amplifier 7 is connected with the input of second level amplifier 8, the output of second level amplifier 8 is connected with the input of third level amplifier 9, and the output of third level amplifier 9 is connected with the input of fourth stage amplifier 10; The output of fourth stage amplifier 10 has two paths of signals, first via output links to each other with the input of power detection circuit 11, the second road output links to each other with the port one of circulator 12, the port 3 of circulator 12 links to each other with the input of switching circuit 15, first output of switching circuit 15 links to each other with the input of coupler 13, the output of coupler 13 links to each other with the input of backward power detecting circuit 14, and port 2 outputs of circulator 12 link to each other with the input of B;
Second output of switching circuit 15 is connected with the input of first order amplifier 16, the output of first order amplifier 16 is connected with the input of second level amplifier 17, the output of second level amplifier 17 is connected with the input of third level amplifier 18, the input that exports switching circuit 19 to of third level amplifier 18, the output of switching circuit 19 is connected with second output of the radio-frequency (RF) switch TRX-SW1 of input/output circuitry 1;
The control end of switching circuit 15 is connected with the 3rd control end of radio-frequency (RF) switch control circuit 20, and the control end of switching circuit 19 is connected with the 4th control end end of radio-frequency (RF) switch control circuit 20.
Filter in the described input/output circuitry 1 is the DFCH32G01HDNAA of MURURA company, and radio-frequency (RF) switch TRX-SW1 is the HMC221 of HITTITE company; The PA-SW of switching circuit 2 is the HMC221 of HITTITE company; The wave detector of input detecting circuit 3 is the AD8313 of ADI company; The power splitter of power divider circuit 4 is the 1P503 of ANAREN company; The amplifier chip of predistortion circuit 5 is the ECG005 of WJ company and the GALI21 or the GALI4 of MINI-CIRCUITS company; Temperature compensation attenuator 6 is the 3-9 or the 6-9 of SANGSHINE company; The amplifier tube of first order amplifier 7 is the RF3315 of RFMD company, the amplifier tube of second level amplifier 8 is the HMC454 of HITTITE company, the amplifier tube of third level amplifier 9 is the MRF282ZR1 or the MRF282SR1 of FREESCALE company, and the amplifier tube of fourth stage amplifier 10 is the MRF5S19100 or the MRF6S19100 of FREESCALE company; The wave detector of power output detecting circuit 11 is the AD8313 of ADI company; Circulator in the circulator circuit 12 is the PC2018DE-41 of PDI company, and coupler 13 is the JP520 of ANAREN company; The wave detector of backward power detecting circuit 14 is the AD8313 of ADI company; The TRX-SW2 of switching circuit 15 is the MASWSS0006 of MACOM company;
The amplifier tube of first order amplifier 16 is the ATF54143 of Agilent company, and the amplifier tube of second level amplifier 17 is the ATF53189 of Agilent company, and the amplifier tube of third level amplifier 18 is the ATF511P8 of Agilent company; The LNA-SW of switching circuit 19 is the HMC221 of HITTITE company; Chip in the radio-frequency (RF) switch control circuit 20 is the 74AHC04 and the 74AHC08 of TI company.
The utility model is in order to satisfy high efficiency requirement, the model and the operating state of suitable selection power tubes at different levels, suppress the requirement of (ACPR) and very big surplus capacity is arranged in order to satisfy neighboring trace, adopt pre-distortion technology, thereby make power amplifier when power output is 4W ± 1.6MHz band is outer to be suppressed≤-46dBc, the outer inhibition of ± 3.2MHz band≤-51dBc; And by high low temperature test, stability and reliability experiment and HALT experiment, power amplifier and LNA circuit working are reliable, stable; This power amplifier consumes little, and total operating efficiency is 11%～12%.
Description of drawings
Fig. 1 is the utility model schematic block circuit diagram
Embodiment
As shown in Figure 1,4W Multi-Carrier Power Amplifier in the TD-SCDMA system base-station, it is mainly by connector A, input/output circuitry 1, power amplifier, the LNA circuit, switching circuit 15 and radio-frequency (RF) switch control circuit 20 are formed, input/output circuitry 1 mainly is made up of filter and radio-frequency (RF) switch TRX-SW1, power amplifier is mainly by switching circuit 2, input detecting circuit 3, power divider circuit 4, predistortion circuit 5, temperature compensation attenuator 6, first order amplifier 7, second level amplifier 8, third level amplifier 9, fourth stage amplifier 10, power output detecting circuit 11, circulator 12, coupler 13, backward power detecting circuit 14 is formed, and the LNA circuit is mainly by first order amplifier 16, second level amplifier 17, third level amplifier 18 and switching circuit 19 are formed.
The input signal of power amplifier part is connected with the input of switching circuit 2 through input connector A, input/output circuitry 1, filter in the input/output circuitry is realized the filtering to input signal, guarantee that input signal is a signal in the working frequency range, radio-frequency (RF) switch TRX-SW1 is subjected to the control (control end of radio-frequency (RF) switch TRX-SW1 is connected with first control end of radio-frequency (RF) switch control circuit 20) of radio-frequency (RF) switch control circuit 20, when the complete machine power amplifier was in the work of power amplifier state, first output of radio-frequency (RF) switch TRX-SW1 partly linked to each other with power amplifier; LNA output disconnects, and LNA circuit part outage is not simultaneously worked.Switching circuit 2 is subjected to the control (control end of switching circuit 2 is connected with second control end of radio-frequency (RF) switch control circuit 20) of radio-frequency (RF) switch control circuit 20 equally, when the complete machine power amplifier is in the work of power amplifier state, the output of switching circuit 2 links to each other with power splitter 4, input signal is input in the power divider circuit 4, second of power divider circuit 4 exports input detecting circuit 3 to, realizes the power detection to input signal; First output of power divider circuit 4 inputs to predistortion circuit 5, the linear compensation that predistortion circuit 5 realizes power amplifier; The output of predistortion circuit 5 inputs to first order amplifier 7 after decaying through temperature compensation attenuator 6, the output of first order amplifier 7 is connected with the input of second level amplifier 8, the output of second level amplifier 8 is connected with the input of third level amplifier 9, and the output of third level amplifier 9 is connected with the input of fourth stage amplifier 10; The realization of level Four amplifier is satisfied the requirement of gain and power output, linearity to the amplification of signal, cooperates with predistortion circuit simultaneously, improves the index of power amplifier linearity and efficient.The output of fourth stage amplifier 10 has two paths of signals, one the tunnel inputs to power output detecting circuit 11, realization is to the detection of power output, another road inputs to the port one of circulator 12, the port 3 of circulator 12 inputs to switching circuit 15, the control of switching circuit 15 is that the control with switching circuit 2 links, when switching circuit 2 links to each other with power amplifier, first output of switching circuit 15 links to each other with coupler 13, it exports backward power detecting circuit 14 to, realization is to the detection of backward power, and port 2 outputs of circulator 12 link to each other with out connector B, are the physical interface of power amplifier power output.
Described predistortion circuit 5, it comprises two parts, and a part is a power amplifier circuit, and another part is the predistortion amplifier circuit.The predistortion amplifier circuit is a kind of feedback circuit, and the prime power amplifier circuit is realized the amplification to small-signal, and the predistortion amplifier circuit is to the phase place of signal, the predistortion of G, thus the distortion that compensation back level Four amplifier causes.
The input signal of LNA circuit part inputs to the port 2 of circulator circuit (12) through input connector B, the output of the port 2 of circulator circuit (12) is connected with the input of switching circuit (15), switching circuit (15) is subjected to the control (control end of switching circuit 15 is connected with the 3rd control end of radio-frequency (RF) switch control circuit 20) of radio-frequency (RF) switch control circuit 20, when the complete machine power amplifier was in the work of LNA state, radio-frequency (RF) switch TRX-SW1 partly linked to each other with LNA.Second output of switching circuit (15) is connected with the input of first order amplifier (16), the output of first order amplifier (16) is connected with the input of second level amplifier (17), the output of second level amplifier (17) is connected with the input of third level amplifier (18), third level amplifier (18) export switching circuit (19) to, switching circuit (19) is subjected to the control (control end of switching circuit 19 is connected with the 4th control end end of radio-frequency (RF) switch control circuit 20) of radio-frequency (RF) switch control circuit 20, when the complete machine power amplifier is in the work of LNA state, the output work of switching circuit (19).The output of switching circuit (19) links to each other with second output of the radio-frequency (RF) switch TRX-SW1 of input/output circuitry (1), and the output of the filter of input/output circuitry (1) links to each other with connector A.
Claims (2)
1.TD-SCDMA the 4W Multi-Carrier Power Amplifier in the system base-station, it is characterized in that: it is mainly by connector A, input/output circuitry (1), power amplifier, the LNA circuit, switching circuit (15) and radio-frequency (RF) switch control circuit (20) are formed, input/output circuitry (1) mainly is made up of filter and radio-frequency (RF) switch TRX-SW1, power amplifier is mainly by switching circuit (2), input detecting circuit (3), power divider circuit (4), predistortion circuit (5), temperature compensation attenuator (6), first order amplifier (7), second level amplifier (8), third level amplifier (9), fourth stage amplifier (10), power output detecting circuit (11), circulator (12), coupler (13), backward power detecting circuit (14) is formed, and the LNA circuit is mainly by first order amplifier (16), second level amplifier (17), third level amplifier (18) and switching circuit (19) are formed;
Connector (A) is connected with the filter of input/output circuitry (1), first output of the radio-frequency (RF) switch TRX-SW1 of input/output circuitry (1) is connected with the first input end of switching circuit (2), and the control end of radio-frequency (RF) switch TRX-SW1 is connected with first control end of radio-frequency (RF) switch control circuit (20); The output of switching circuit (2) is connected with the input mating end of power divider circuit (4), and the control end of switching circuit (2) is connected with second control end of radio-frequency (RF) switch control circuit (20); First output of power divider circuit (4) inputs to the input of input detecting circuit (3), second output of power divider circuit (4) inputs to the input of predistortion circuit (5), the defeated input that connects temperature compensation attenuator (6) of the output of predistortion circuit (5), the output of temperature compensation attenuator (6) connects the input of first order amplifier (7), the output of first order amplifier (7) is connected with the input of second level amplifier (8), the output of second level amplifier (8) is connected with the input of third level amplifier (9), and the output of third level amplifier (9) is connected with the input of fourth stage amplifier (10); The output of fourth stage amplifier (10) has two paths of signals, first via output links to each other with the input of power detection circuit (11), the second road output links to each other with the port one of circulator (12), the port 3 of circulator (12) links to each other with the input of switching circuit (15), first output of switching circuit (15) links to each other with the input of coupler (13), the output of coupler (13) links to each other with the input of backward power detecting circuit (14), and port 2 outputs of circulator (12) link to each other with the input of (B);
Second output of switching circuit (15) is connected with the input of first order amplifier (16), the output of first order amplifier (16) is connected with the input of second level amplifier (17), the output of second level amplifier (17) is connected with the input of third level amplifier (18), the input that exports switching circuit (19) to of third level amplifier (18), the output of switching circuit (19) is connected with second output of the radio-frequency (RF) switch TRX-SW1 of input/output circuitry (1);
The control end of switching circuit (15) is connected with the 3rd control end of radio-frequency (RF) switch control circuit (20), and the control end of switching circuit (19) is connected with the 4th control end end of radio-frequency (RF) switch control circuit (20).
2. according to the 4W Multi-Carrier Power Amplifier in the described TD-SCDMA system base-station of claim 1, it is characterized in that: the filter in the input/output circuitry (1) is the DFCH32G01HDNAA of MURURA company, and radio-frequency (RF) switch TRX-SW1 is the HMC221 of HITTITE company; The PA-SW of switching circuit (2) is the HMC221 of HITTITE company; The wave detector of input detecting circuit (3) is the AD8313 of ADI company; The power splitter of power divider circuit (4) is the 1P503 of ANAREN company; The amplifier chip of predistortion circuit (5) is the ECG005 of WJ company and the GALI21 or the GALI4 of MINI-CIRCUITS company; Temperature compensation attenuator (6) is the 3-9 or the 6-9 of SANGSHINE company; The amplifier tube of first order amplifier (7) is the RF3315 of RFMD company, the amplifier tube of second level amplifier (8) is the HMC454 of HITTITE company, the amplifier tube of third level amplifier (9) is the MRF282ZR1 or the MRF282SR1 of FREESCALE company, and the amplifier tube of fourth stage amplifier (10) is the MRF5S19100 or the MRF6S19100 of FREESCALE company; The wave detector of power output detecting circuit (11) is the AD8313 of ADI company; Circulator in the circulator circuit (12) is the PC2018DE-41 of PDI company, and coupler (13) is the JP520 of ANAREN company; The wave detector of backward power detecting circuit (14) is the AD8313 of ADI company; The TRX-SW2 of switching circuit (15) is the MASWSS0006 of MACOM company;
The amplifier tube of first order amplifier (16) is the ATF54143 of Agilent company, and the amplifier tube of second level amplifier (17) is the ATF53189 of Agilent company, and the amplifier tube of third level amplifier (18) is the ATF511P8 of Agilent company; The LNA-SW of switching circuit (19) is the HMC221 of HITTITE company; Chip in the radio-frequency (RF) switch control circuit (20) is the 74AHC04 and the 74AHC08 of TI company.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620096432 CN200950575Y (en) | 2006-04-28 | 2006-04-28 | 4W multi-carrier power amplifier in TD-SCDMA system base station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620096432 CN200950575Y (en) | 2006-04-28 | 2006-04-28 | 4W multi-carrier power amplifier in TD-SCDMA system base station |
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| CN200950575Y true CN200950575Y (en) | 2007-09-19 |
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| CN 200620096432 Expired - Fee Related CN200950575Y (en) | 2006-04-28 | 2006-04-28 | 4W multi-carrier power amplifier in TD-SCDMA system base station |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101789764A (en) * | 2010-03-09 | 2010-07-28 | 广州市圣大电子有限公司 | Radio frequency power amplifier |
| CN102291091A (en) * | 2011-06-16 | 2011-12-21 | 熊猫电子集团有限公司 | Linear microwave power amplifier |
| CN101237265B (en) * | 2008-03-05 | 2014-01-22 | 中国科学院嘉兴无线传感网工程中心 | TD-SCDMA multi-carrier power amplifier for wireless sensor network |
| CN107094029A (en) * | 2017-04-18 | 2017-08-25 | 深圳国人通信股份有限公司 | A kind of RF Amplifier Module and its amplification method |
| CN109302150A (en) * | 2018-12-07 | 2019-02-01 | 河南华兴通信技术有限公司 | A kind of 10W Multi-Carrier Power Amplifier in 5G system base-station |
| CN114430258A (en) * | 2022-03-30 | 2022-05-03 | 成都金武科技有限公司 | Multi-branch switch matrix |
-
2006
- 2006-04-28 CN CN 200620096432 patent/CN200950575Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101237265B (en) * | 2008-03-05 | 2014-01-22 | 中国科学院嘉兴无线传感网工程中心 | TD-SCDMA multi-carrier power amplifier for wireless sensor network |
| CN101789764A (en) * | 2010-03-09 | 2010-07-28 | 广州市圣大电子有限公司 | Radio frequency power amplifier |
| CN102291091A (en) * | 2011-06-16 | 2011-12-21 | 熊猫电子集团有限公司 | Linear microwave power amplifier |
| CN102291091B (en) * | 2011-06-16 | 2014-07-23 | 熊猫电子集团有限公司 | Linear microwave power amplifier |
| CN107094029A (en) * | 2017-04-18 | 2017-08-25 | 深圳国人通信股份有限公司 | A kind of RF Amplifier Module and its amplification method |
| CN109302150A (en) * | 2018-12-07 | 2019-02-01 | 河南华兴通信技术有限公司 | A kind of 10W Multi-Carrier Power Amplifier in 5G system base-station |
| CN114430258A (en) * | 2022-03-30 | 2022-05-03 | 成都金武科技有限公司 | Multi-branch switch matrix |
| CN114430258B (en) * | 2022-03-30 | 2023-02-14 | 成都金武科技有限公司 | Multi-branch switch matrix |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070919 Termination date: 20100428 |