Semi-analytic design method for dual-band power amplifiers
A semi-analytic method is presented for dual-band power amplifier design. A commensurate transmission line is applied to reduce the number of independent variables in a given topology so that the optimisation algorithm would be more robust to handle it. At the same time, it could be described as a r...
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| Veröffentlicht in: | Electronics letters 2015-08, Vol.51 (17), p.1336-1337 |
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| container_end_page | 1337 |
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| container_issue | 17 |
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| container_title | Electronics letters |
| container_volume | 51 |
| creator | Dai, Zhijiang He, Songbai Pang, Jingzhou Huang, Chaoyi |
| description | A semi-analytic method is presented for dual-band power amplifier design. A commensurate transmission line is applied to reduce the number of independent variables in a given topology so that the optimisation algorithm would be more robust to handle it. At the same time, it could be described as a rational function. To pursue a good performance at the two bands, continuous mode is also considered for controlling the harmonics. The impedance of the lower band is controlled up to the third harmonic, while that of the upper band is up to the second harmonic. The efficiency of the dual band is, respectively, 69.4 and 70.7%, and the corresponding output power is 41.7 and 41.5 dBm at 2.4 and 3.45 GHz, respectively. |
| doi_str_mv | 10.1049/el.2015.0830 |
| format | Article |
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A commensurate transmission line is applied to reduce the number of independent variables in a given topology so that the optimisation algorithm would be more robust to handle it. At the same time, it could be described as a rational function. To pursue a good performance at the two bands, continuous mode is also considered for controlling the harmonics. The impedance of the lower band is controlled up to the third harmonic, while that of the upper band is up to the second harmonic. 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A commensurate transmission line is applied to reduce the number of independent variables in a given topology so that the optimisation algorithm would be more robust to handle it. At the same time, it could be described as a rational function. To pursue a good performance at the two bands, continuous mode is also considered for controlling the harmonics. The impedance of the lower band is controlled up to the third harmonic, while that of the upper band is up to the second harmonic. The efficiency of the dual band is, respectively, 69.4 and 70.7%, and the corresponding output power is 41.7 and 41.5 dBm at 2.4 and 3.45 GHz, respectively.</description><subject>Algorithms</subject><subject>circuit optimisation</subject><subject>commensurate transmission line</subject><subject>continuous mode</subject><subject>dual‐band power amplifier</subject><subject>efficiency 69.4 percent</subject><subject>efficiency 70.7 percent</subject><subject>frequency 2.4 GHz</subject><subject>frequency 3.45 GHz</subject><subject>Handles</subject><subject>harmonic analysis</subject><subject>Harmonics</subject><subject>harmonics control</subject><subject>Impedance</subject><subject>independent variable reduction</subject><subject>lower band impedance</subject><subject>microwave power amplifiers</subject><subject>Microwave technology</subject><subject>optimisation algorithm</subject><subject>Optimization</subject><subject>Power amplifiers</subject><subject>rational function</subject><subject>Rational functions</subject><subject>semianalytic design method</subject><subject>Topology</subject><subject>transmission lines</subject><subject>UHF power amplifiers</subject><issn>0013-5194</issn><issn>1350-911X</issn><issn>1350-911X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNp9kMFKw0AQhhdRsNTefIAcPHgwdSbZpFlvWloVCh5U8LZssrO6smnibkvp25sQQQWROczl-2d-PsZOEaYIXFySmyaA2RSKFA7YCNMMYoH4cshGAJjGGQp-zCYh2BKQI8-B44hdPVJtY7VWbr-xVaQp2Nd1VNPmrdGRaXykt8rFpVrrqG125CNVt84aSz6csCOjXKDJ1x6z5-XiaX4Xrx5u7-fXq7jqvoiYUJARpRaQlamq0izXueBGcNJcFwJMWQqcVYUxpHiSlxVCpahEkScF8BmmY3Y-3G1987GlsJG1DRU5p9bUbIPEArrhIunRiwGtfBOCJyNbb2vl9xJB9pYkOdlbkr2lDs8GfGcd7f9l5WK1Sm6WkBSZ6HJnQ87SRr43W9_pCx3xA2-1-S7-C_uzySdXQIIs</recordid><startdate>20150820</startdate><enddate>20150820</enddate><creator>Dai, Zhijiang</creator><creator>He, Songbai</creator><creator>Pang, Jingzhou</creator><creator>Huang, Chaoyi</creator><general>The Institution of Engineering and Technology</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>L7M</scope></search><sort><creationdate>20150820</creationdate><title>Semi-analytic design method for dual-band power amplifiers</title><author>Dai, Zhijiang ; He, Songbai ; Pang, Jingzhou ; Huang, Chaoyi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4149-e19ef9bd905b3ac356d694f94ed4d890fbb917c8ffea426bc10caeb1962804713</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Algorithms</topic><topic>circuit optimisation</topic><topic>commensurate transmission line</topic><topic>continuous mode</topic><topic>dual‐band power amplifier</topic><topic>efficiency 69.4 percent</topic><topic>efficiency 70.7 percent</topic><topic>frequency 2.4 GHz</topic><topic>frequency 3.45 GHz</topic><topic>Handles</topic><topic>harmonic analysis</topic><topic>Harmonics</topic><topic>harmonics control</topic><topic>Impedance</topic><topic>independent variable reduction</topic><topic>lower band impedance</topic><topic>microwave power amplifiers</topic><topic>Microwave technology</topic><topic>optimisation algorithm</topic><topic>Optimization</topic><topic>Power amplifiers</topic><topic>rational function</topic><topic>Rational functions</topic><topic>semianalytic design method</topic><topic>Topology</topic><topic>transmission lines</topic><topic>UHF power amplifiers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dai, Zhijiang</creatorcontrib><creatorcontrib>He, Songbai</creatorcontrib><creatorcontrib>Pang, Jingzhou</creatorcontrib><creatorcontrib>Huang, Chaoyi</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Electronics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Dai, Zhijiang</au><au>He, Songbai</au><au>Pang, Jingzhou</au><au>Huang, Chaoyi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Semi-analytic design method for dual-band power amplifiers</atitle><jtitle>Electronics letters</jtitle><date>2015-08-20</date><risdate>2015</risdate><volume>51</volume><issue>17</issue><spage>1336</spage><epage>1337</epage><pages>1336-1337</pages><issn>0013-5194</issn><issn>1350-911X</issn><eissn>1350-911X</eissn><abstract>A semi-analytic method is presented for dual-band power amplifier design. A commensurate transmission line is applied to reduce the number of independent variables in a given topology so that the optimisation algorithm would be more robust to handle it. At the same time, it could be described as a rational function. To pursue a good performance at the two bands, continuous mode is also considered for controlling the harmonics. The impedance of the lower band is controlled up to the third harmonic, while that of the upper band is up to the second harmonic. The efficiency of the dual band is, respectively, 69.4 and 70.7%, and the corresponding output power is 41.7 and 41.5 dBm at 2.4 and 3.45 GHz, respectively.</abstract><pub>The Institution of Engineering and Technology</pub><doi>10.1049/el.2015.0830</doi><tpages>2</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Algorithms circuit optimisation commensurate transmission line continuous mode dual‐band power amplifier efficiency 69.4 percent efficiency 70.7 percent frequency 2.4 GHz frequency 3.45 GHz Handles harmonic analysis Harmonics harmonics control Impedance independent variable reduction lower band impedance microwave power amplifiers Microwave technology optimisation algorithm Optimization Power amplifiers rational function Rational functions semianalytic design method Topology transmission lines UHF power amplifiers |
| title | Semi-analytic design method for dual-band power amplifiers |
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