Article(id=1154038483162227430, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1154038481564197598, articleNumber=null, orderNo=null, doi=10.13234/j.issn.2095-2805.2024.2.421, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1617033600000, receivedDateStr=2021-03-30, revisedDate=1622131200000, revisedDateStr=2021-05-28, acceptedDate=1623254400000, acceptedDateStr=2021-06-10, onlineDate=1753073815384, onlineDateStr=2025-07-21, pubDate=1711728000000, pubDateStr=2024-03-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753073815384, onlineIssueDateStr=2025-07-21, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753073815384, creator=13701087609, updateTime=1753073815384, updator=13701087609, issue=Issue{id=1154038481564197598, tenantId=1146029695717560320, journalId=1146031654075715584, year='2024', volume='22', issue='2', pageStart='1', pageEnd='455', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1753073815003, creator=13701087609, updateTime=1753780998609, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1157004624629683026, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1154038481564197598, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1157004624629683027, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1154038481564197598, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=421, endPage=430, ext={EN=ArticleExt(id=1154038483661349609, articleId=1154038483162227430, tenantId=1146029695717560320, journalId=1146031654075715584, language=EN, title=Research on 2.45 GHz Power Amplifier Based on Power Synthesizer and Power Splitter, columnId=1153695648848269792, journalTitle=Journal of Power Supply, columnName=Special Power Supply, runingTitle=null, highlight=null, articleAbstract=
The existing power amplifier cannot strike a balance among aspects such as its output efficiency, output power and linearity. To solve this problem, on the basis of a three-level cascade amplification method, a kind of AB class RF power amplifier based on a power synthesizer and a power splitter is proposed. Aimed at the problems of linearity and gain, the band-pass matching and T-network matching techniques are used to optimize the design of the pre-driver circuit. The problem that the output power of the final amplifier is too large is solved by using the power synthesis technique, and the stability and efficiency of the power amplifier are guaranteed. To prevent the temperature of the power amplifier from being too high, the thermal characteristics of the power amplifier cavity are analyzed. The highest temperature is 81°C, which can make the power amplifier get a good cooling. At room temperature, the RF power amplifier has an output power of 47 dBm, an amplification gain of 42 dB and a maximum power added efficiency of more than 45% at a central frequency point of 2.45 GHz. The test results were close to simulation results, indicating that the research in this paper can provide some guidance for the subsequent research and design of amplifiers.
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当前功率放大器在输出效率、输出功率以及线性度等方面不能很好地兼顾,针对这一问题,在三级级联放大方法的基础上,提出了一种基于功率合成器和功率分配器的 AB 类射频功率放大器。针对线性度和增益的问题,带通匹配和T型网络匹配技术对前置驱动级电路进行了优化设计;利用功率合成技术解决了末级放大器输出功率过大的问题,并且使功率放大器的稳定性和效率得到了保证。为防止功放的温度过高,对功率放大器腔体进行了热特性分析,最高温度为81℃,可以使功放得到良好的降温。在室温测试环境下,当中心频点为2.45 GHz时,射频功率放大器的输出功率为47 dBm,放大增益为42 dB,最大功率附加效率大于45%。测试结果与仿真结果相近,为后续放大器的研究与设计提供了一定的指导。
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李钰梁(1995-),男,硕士研究生。研究方向:电子测量与仪器。E-mail: liyuliang5512@163.com。 |
杨祯(1980-),男,通信作者,博士,副教授。研究方向:电子测量与仪器。E-mail: yangzhen1980219@163.com。
李艳(1990-),女,硕士研究生。研究方向:电子测量与仪器。E-mail: 653031624@qq.com。
王宇宁(1998-),女,硕士研究生。研究方向:电子测量与仪器。E-mail: 1207697508@qq.com。
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46(2): 124-128 (in Chinese)., articleTitle=C band GaN MMIC power amplifiers with high efficiency and linearity, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1154038659645956366, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, xref=null, ext=[AuthorCompanyExt(id=1154038659654344975, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, companyId=1154038659645956366, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Faculty of Electrical and Control Engineering Liaoning Technical University Huludao 125105 China), AuthorCompanyExt(id=1154038659658539280, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, companyId=1154038659645956366, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=辽宁工程技术大学 电气与控制工程学院 葫芦岛 125105)])], figs=[ArticleFig(id=1154038661902491991, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=EN, label=Fig. 1, caption=
Topology of common-emission amplifier transistor circuit, figureFileSmall=XklnpgiZki0Sn/n1Tf2cWw==, figureFileBig=MoslDJHyEa+t/rylGwxqEg==, tableContent=null), ArticleFig(id=1154038661973795161, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=CN, label=图1, caption=
共射放大晶体管电路拓扑, figureFileSmall=XklnpgiZki0Sn/n1Tf2cWw==, figureFileBig=MoslDJHyEa+t/rylGwxqEg==, tableContent=null), ArticleFig(id=1154038662053486939, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=EN, label=Fig. 2, caption=
Cascade topology of power amplifier, figureFileSmall=v1wfVswOpyMuThhGwltJHA==, figureFileBig=r4MyFIHM4vnMDzFeF6P/RA==, tableContent=null), ArticleFig(id=1154038662116401501, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=CN, label=图2, caption=
功率放大器级联拓扑, figureFileSmall=v1wfVswOpyMuThhGwltJHA==, figureFileBig=r4MyFIHM4vnMDzFeF6P/RA==, tableContent=null), ArticleFig(id=1154038662170927455, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=EN, label=Fig. 3, caption=
Block diagram of structure of RF power amplifier, figureFileSmall=ekoQfsa4UDwbJ7q6qOPiXQ==, figureFileBig=wokmYl9lOMbuRYWCJ+AXJw==, tableContent=null), ArticleFig(id=1154038662242230625, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=CN, label=图3, caption=
射频功率放大器的结构框图, figureFileSmall=ekoQfsa4UDwbJ7q6qOPiXQ==, figureFileBig=wokmYl9lOMbuRYWCJ+AXJw==, tableContent=null), ArticleFig(id=1154038662300950883, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=EN, label=Fig. 4, caption=
Structure of power amplifier, figureFileSmall=1tFhL52CQJPdYRIWBDReVw==, figureFileBig=N7F7Vo6gJdTPQjiAbRHCJg==, tableContent=null), ArticleFig(id=1154038662351282533, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=CN, label=图4, caption=
功率放大器的结构, figureFileSmall=1tFhL52CQJPdYRIWBDReVw==, figureFileBig=N7F7Vo6gJdTPQjiAbRHCJg==, tableContent=null), ArticleFig(id=1154038662397419878, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=EN, label=Fig. 5, caption=
Schematic of MHT1008N circuit, figureFileSmall=qi/xJlz2QUwlEafhXAaScA==, figureFileBig=p5XWk4iME63o3XJoQBgFWg==, tableContent=null), ArticleFig(id=1154038662451945831, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=CN, label=图5, caption=
MHT1008N 电路原理, figureFileSmall=qi/xJlz2QUwlEafhXAaScA==, figureFileBig=p5XWk4iME63o3XJoQBgFWg==, tableContent=null), ArticleFig(id=1154038662502277480, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=EN, label=Fig. 6, caption=
Layout of MHT1008N, figureFileSmall=0+bwO42kSwxw7yKi7REwuA==, figureFileBig=WxOh8/qE3On038/mLTskhw==, tableContent=null), ArticleFig(id=1154038662552609129, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=CN, label=图6, caption=
MHT1008N 版图, figureFileSmall=0+bwO42kSwxw7yKi7REwuA==, figureFileBig=WxOh8/qE3On038/mLTskhw==, tableContent=null), ArticleFig(id=1154038662611329386, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=EN, label=Fig. 7, caption=
Simulation of driver-stage circuit layout, figureFileSmall=uEVyQqsFgyGqvMIfvf5Nqw==, figureFileBig=XOiHacoXygSSYteGAqxLiw==, tableContent=null), ArticleFig(id=1154038662678438251, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=CN, label=图7, caption=
驱动级电路版图仿真, figureFileSmall=uEVyQqsFgyGqvMIfvf5Nqw==, figureFileBig=XOiHacoXygSSYteGAqxLiw==, tableContent=null), ArticleFig(id=1154038662728769900, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=EN, label=Fig. 8, caption=
Series diagram of two-stage amplifier, figureFileSmall=W7t1x7gujEVKsTYIW00WJQ==, figureFileBig=PYsnyYsA4RB3hLiyRqY7jQ==, tableContent=null), ArticleFig(id=1154038662783295853, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=CN, label=图8, caption=
两级放大器串联, figureFileSmall=W7t1x7gujEVKsTYIW00WJQ==, figureFileBig=PYsnyYsA4RB3hLiyRqY7jQ==, tableContent=null), ArticleFig(id=1154038662846210414, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=EN, label=Fig. 9, caption=
Simulation of two-level amplification, figureFileSmall=FxSpRomIg0XQCV+dq9QAWw==, figureFileBig=3qJkls+QtMUNie6OsE3OWA==, tableContent=null), ArticleFig(id=1154038662909124975, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=CN, label=图9, caption=
两级放大仿真, figureFileSmall=FxSpRomIg0XQCV+dq9QAWw==, figureFileBig=3qJkls+QtMUNie6OsE3OWA==, tableContent=null), ArticleFig(id=1154038662959456624, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=EN, label=Fig. 10, caption=
Circuit structure of power splitter, figureFileSmall=E6y9BfeEm4w6wXyXT9iuJg==, figureFileBig=tNtO7MdpA3XKkdjUCYLwLA==, tableContent=null), ArticleFig(id=1154038663030759794, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=CN, label=图10, caption=
功率分配器的电路结构, figureFileSmall=E6y9BfeEm4w6wXyXT9iuJg==, figureFileBig=tNtO7MdpA3XKkdjUCYLwLA==, tableContent=null), ArticleFig(id=1154038663089480051, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=EN, label=Fig. 11, caption=
Schematic of four-in-one combiner, figureFileSmall=kgLQSPjo5zQu/jSEV4L1ug==, figureFileBig=OaIh4hqyHu2yRFqTH4h+vQ==, tableContent=null), ArticleFig(id=1154038663144006004, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=CN, label=图11, caption=
四合一合路器原理, figureFileSmall=kgLQSPjo5zQu/jSEV4L1ug==, figureFileBig=OaIh4hqyHu2yRFqTH4h+vQ==, tableContent=null), ArticleFig(id=1154038663202726261, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=EN, label=Fig. 12, caption=
Simulation of four-in-one combiner layout, figureFileSmall=X2yevnLUV1QyrHBBf4H+mw==, figureFileBig=MTd1Cz+xa0x+wNWVzJQS/Q==, tableContent=null), ArticleFig(id=1154038663257252214, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=CN, label=图12, caption=
四合一合路器版图仿真, figureFileSmall=X2yevnLUV1QyrHBBf4H+mw==, figureFileBig=MTd1Cz+xa0x+wNWVzJQS/Q==, tableContent=null), ArticleFig(id=1154038663315972471, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=EN, label=Fig. 13, caption=
Simulation results of four-in-one combiner layout, figureFileSmall=iStqxW8YxJVL2gxtB+0dNQ==, figureFileBig=fa/k7oQEJMFUPOKddSPXzA==, tableContent=null), ArticleFig(id=1154038663370498424, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=CN, label=图13, caption=
四合一合路器版图仿真结果, figureFileSmall=iStqxW8YxJVL2gxtB+0dNQ==, figureFileBig=fa/k7oQEJMFUPOKddSPXzA==, tableContent=null), ArticleFig(id=1154038663420830073, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=EN, label=Fig. 14, caption=
SolidWorks heat sink model, figureFileSmall=thEkK6uaKU+f0NUZntVYwQ==, figureFileBig=dc3KmP4z9sxb39MzcRITEQ==, tableContent=null), ArticleFig(id=1154038663471161722, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=CN, label=图14, caption=
SolidWorks 散热片模型, figureFileSmall=thEkK6uaKU+f0NUZntVYwQ==, figureFileBig=dc3KmP4z9sxb39MzcRITEQ==, tableContent=null), ArticleFig(id=1154038663525687675, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=EN, label=Fig. 15, caption=
Ansys heat sink thermal simulation model, figureFileSmall=cEGh9mNcO79pgU4OT+y46Q==, figureFileBig=RHXrcWddFyPt8jWd7RQVNg==, tableContent=null), ArticleFig(id=1154038663613768060, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=CN, label=图15, caption=
Ansys 散热片热仿真模型, figureFileSmall=cEGh9mNcO79pgU4OT+y46Q==, figureFileBig=RHXrcWddFyPt8jWd7RQVNg==, tableContent=null), ArticleFig(id=1154038663676682621, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=EN, label=Fig. 16, caption=
Specimen of driver-stage circuit, figureFileSmall=JZ//BsSff0CmF7b2o8FgiQ==, figureFileBig=x0Bfoa0sfO+mG27+JfTvxQ==, tableContent=null), ArticleFig(id=1154038663731208574, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=CN, label=图16, caption=
驱动级电路实物, figureFileSmall=JZ//BsSff0CmF7b2o8FgiQ==, figureFileBig=x0Bfoa0sfO+mG27+JfTvxQ==, tableContent=null), ArticleFig(id=1154038663806706047, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=EN, label=Fig. 17, caption=
MAMG-100227-010C0L final power amplifier PCB, figureFileSmall=zxhQeMnYDxiPIOsjWfzAuQ==, figureFileBig=5QAHpMWYmq+Mi8RX1hKTng==, tableContent=null), ArticleFig(id=1154038663886397824, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=CN, label=图17, caption=
MAMG-100227-010C0L 末级功率放大器 PCB, figureFileSmall=zxhQeMnYDxiPIOsjWfzAuQ==, figureFileBig=5QAHpMWYmq+Mi8RX1hKTng==, tableContent=null), ArticleFig(id=1154038663936729473, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=EN, label=Fig. 18, caption=
Power test of power amplifier, figureFileSmall=kIHb49KQyQJlJr/Z2qudvA==, figureFileBig=4y37YgOLSg9E0An4VsjHbQ==, tableContent=null), ArticleFig(id=1154038663999644034, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=CN, label=图18, caption=
功率放大器功率测试, figureFileSmall=kIHb49KQyQJlJr/Z2qudvA==, figureFileBig=4y37YgOLSg9E0An4VsjHbQ==, tableContent=null), ArticleFig(id=1154038664049975683, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=EN, label=Fig. 19, caption=
Frequency response curves, figureFileSmall=1HqeEXGeGLOoaN/C2U0cXg==, figureFileBig=BN0bwes20LBeklneUQC4ZA==, tableContent=null), ArticleFig(id=1154038664121278852, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=CN, label=图19, caption=
频率响应曲线, figureFileSmall=1HqeEXGeGLOoaN/C2U0cXg==, figureFileBig=BN0bwes20LBeklneUQC4ZA==, tableContent=null), ArticleFig(id=1154038664171610501, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=EN, label=Fig. 20, caption=
Voltage standing wave ratio, figureFileSmall=EHGGW2BYN6sc7hK0VfGveA==, figureFileBig=HRGBkV5V6Rsw3cRnW9Udvw==, tableContent=null), ArticleFig(id=1154038664230330758, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=CN, label=图20, caption=
电压驻波比, figureFileSmall=EHGGW2BYN6sc7hK0VfGveA==, figureFileBig=HRGBkV5V6Rsw3cRnW9Udvw==, tableContent=null), ArticleFig(id=1154038664280662407, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=EN, label=Tab. 1, caption=
Design indexes for three-level power amplifier, figureFileSmall=null, figureFileBig=null, tableContent=
| 功率 放大器 | 工作频率/$\mathrm{{GHz}}$ | 增益/dB | 输出功率/$\mathrm{{dBm}}$ | 效率1% |
| 初级功率 放大器 | 2.45 | 11 | 16 | - |
| 驱动级功 率放大器 | 2.45 | 18 | 35 | 50 |
| 末级功率 放大器 | 2.45 | 12 | 47 | 40 |
), ArticleFig(id=1154038664330994056, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1154038483162227430, language=CN, label=表1, caption=
三级功放设计指标, figureFileSmall=null, figureFileBig=null, tableContent=
| 功率 放大器 | 工作频率/$\mathrm{{GHz}}$ | 增益/dB | 输出功率/$\mathrm{{dBm}}$ | 效率1% |
| 初级功率 放大器 | 2.45 | 11 | 16 | - |
| 驱动级功 率放大器 | 2.45 | 18 | 35 | 50 |
| 末级功率 放大器 | 2.45 | 12 | 47 | 40 |
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