Improving Power Amplifier Efficiency and Linearity Using a Dynamically Controlled Tunable Matching Network
This paper presents a tunable matching network that enhances both efficiency and linearity of power amplifiers (PAs). A medium-power amplifier with a varactor-based matching network is designed, fabricated, and tested. It is demonstrated that not only the power efficiency at reduced drive levels can...
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| Veröffentlicht in: | IEEE transactions on microwave theory and techniques 2008-12, Vol.56 (12), p.3239-3244 |
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| container_title | IEEE transactions on microwave theory and techniques |
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| creator | Jia-Shiang Fu Mortazawi, A. |
| description | This paper presents a tunable matching network that enhances both efficiency and linearity of power amplifiers (PAs). A medium-power amplifier with a varactor-based matching network is designed, fabricated, and tested. It is demonstrated that not only the power efficiency at reduced drive levels can be improved but also the AM-AM and AM-PM distortions of the PA are reduced when the tunable matching network is biased according to the input drive level. Moreover, under 3GPP WCDMA modulated input, the PA with a dynamically controlled tunable matching network achieves up to 5% improvement in drain efficiency when compared with a PA employing a fixed matching network. |
| doi_str_mv | 10.1109/TMTT.2008.2007094 |
| format | Article |
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A medium-power amplifier with a varactor-based matching network is designed, fabricated, and tested. It is demonstrated that not only the power efficiency at reduced drive levels can be improved but also the AM-AM and AM-PM distortions of the PA are reduced when the tunable matching network is biased according to the input drive level. Moreover, under 3GPP WCDMA modulated input, the PA with a dynamically controlled tunable matching network achieves up to 5% improvement in drain efficiency when compared with a PA employing a fixed matching network.</description><identifier>ISSN: 0018-9480</identifier><identifier>EISSN: 1557-9670</identifier><identifier>DOI: 10.1109/TMTT.2008.2007094</identifier><identifier>CODEN: IETMAB</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Amplifiers ; Applied sciences ; Circuit properties ; Complexity theory ; Distortion ; Drains ; Drives ; Efficiency ; Electric, optical and optoelectronic circuits ; Electronic circuits ; Electronic equipment and fabrication. Passive components, printed wiring boards, connectics ; Electronics ; Energy consumption ; Equipments and installations ; Exact sciences and technology ; Impedance matching ; Linearity ; Matching ; Microwaves ; Mobile radiocommunication systems ; Multiaccess communication ; Networks ; Power amplifiers ; power amplifiers (PAs) ; Power efficiency ; Radiocommunications ; Telecommunications ; Telecommunications and information theory ; Testing ; Tunable circuits and devices ; tunable matching networks ; Varactors</subject><ispartof>IEEE transactions on microwave theory and techniques, 2008-12, Vol.56 (12), p.3239-3244</ispartof><rights>2009 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2008</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c385t-9166f804a9fc693058f78c7c9a7de326b87c31c162a0410799719e80ed63550e3</citedby><cites>FETCH-LOGICAL-c385t-9166f804a9fc693058f78c7c9a7de326b87c31c162a0410799719e80ed63550e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/4682653$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,314,776,780,785,786,792,23911,23912,25120,27903,27904,54736</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/4682653$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21033759$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Jia-Shiang Fu</creatorcontrib><creatorcontrib>Mortazawi, A.</creatorcontrib><title>Improving Power Amplifier Efficiency and Linearity Using a Dynamically Controlled Tunable Matching Network</title><title>IEEE transactions on microwave theory and techniques</title><addtitle>TMTT</addtitle><description>This paper presents a tunable matching network that enhances both efficiency and linearity of power amplifiers (PAs). A medium-power amplifier with a varactor-based matching network is designed, fabricated, and tested. It is demonstrated that not only the power efficiency at reduced drive levels can be improved but also the AM-AM and AM-PM distortions of the PA are reduced when the tunable matching network is biased according to the input drive level. Moreover, under 3GPP WCDMA modulated input, the PA with a dynamically controlled tunable matching network achieves up to 5% improvement in drain efficiency when compared with a PA employing a fixed matching network.</description><subject>Amplifiers</subject><subject>Applied sciences</subject><subject>Circuit properties</subject><subject>Complexity theory</subject><subject>Distortion</subject><subject>Drains</subject><subject>Drives</subject><subject>Efficiency</subject><subject>Electric, optical and optoelectronic circuits</subject><subject>Electronic circuits</subject><subject>Electronic equipment and fabrication. Passive components, printed wiring boards, connectics</subject><subject>Electronics</subject><subject>Energy consumption</subject><subject>Equipments and installations</subject><subject>Exact sciences and technology</subject><subject>Impedance matching</subject><subject>Linearity</subject><subject>Matching</subject><subject>Microwaves</subject><subject>Mobile radiocommunication systems</subject><subject>Multiaccess communication</subject><subject>Networks</subject><subject>Power amplifiers</subject><subject>power amplifiers (PAs)</subject><subject>Power efficiency</subject><subject>Radiocommunications</subject><subject>Telecommunications</subject><subject>Telecommunications and information theory</subject><subject>Testing</subject><subject>Tunable circuits and devices</subject><subject>tunable matching networks</subject><subject>Varactors</subject><issn>0018-9480</issn><issn>1557-9670</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNp9kU1v1DAQhi0EEkvhByAuFhL0lDKO469jtbRQaQsc0rPlem3w4jiLnaXKv8dhVz1w4OKxNc_MeN4XodcELggB9aG_7fuLFkAuhwDVPUErwphoFBfwFK0AiGxUJ-E5elHKrj47BnKFdjfDPo-_Q_qOv40PLuPLYR-DD_V25X2wwSU7Y5O2eBOSMzlMM74rC27wxzmZIVgT44zXY5ryGKPb4v6QzH10-NZM9sdCfnHTw5h_vkTPvInFvTrFM3R3fdWvPzebr59u1pebxlLJpkYRzr2EzihvuaLApBfSCquM2Dra8nspLCWW8NZAR0AoJYhyEtyWU8bA0TN0fuxbF_t1cGXSQyjWxWiSGw9FS8GgTpJtJd__l6RVI6aYquDbf8DdeMipbqFVu2gpO14hcoRsHkvJzut9DoPJsyagF5P0YpJeTNInk2rNu1NjU6qQPptkQ3ksbAlQKv5-4M2RC865x3THZcsZpX8AQ5uZxg</recordid><startdate>20081201</startdate><enddate>20081201</enddate><creator>Jia-Shiang Fu</creator><creator>Mortazawi, A.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope><scope>F28</scope><scope>FR3</scope></search><sort><creationdate>20081201</creationdate><title>Improving Power Amplifier Efficiency and Linearity Using a Dynamically Controlled Tunable Matching Network</title><author>Jia-Shiang Fu ; Mortazawi, A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c385t-9166f804a9fc693058f78c7c9a7de326b87c31c162a0410799719e80ed63550e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Amplifiers</topic><topic>Applied sciences</topic><topic>Circuit properties</topic><topic>Complexity theory</topic><topic>Distortion</topic><topic>Drains</topic><topic>Drives</topic><topic>Efficiency</topic><topic>Electric, optical and optoelectronic circuits</topic><topic>Electronic circuits</topic><topic>Electronic equipment and fabrication. Passive components, printed wiring boards, connectics</topic><topic>Electronics</topic><topic>Energy consumption</topic><topic>Equipments and installations</topic><topic>Exact sciences and technology</topic><topic>Impedance matching</topic><topic>Linearity</topic><topic>Matching</topic><topic>Microwaves</topic><topic>Mobile radiocommunication systems</topic><topic>Multiaccess communication</topic><topic>Networks</topic><topic>Power amplifiers</topic><topic>power amplifiers (PAs)</topic><topic>Power efficiency</topic><topic>Radiocommunications</topic><topic>Telecommunications</topic><topic>Telecommunications and information theory</topic><topic>Testing</topic><topic>Tunable circuits and devices</topic><topic>tunable matching networks</topic><topic>Varactors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jia-Shiang Fu</creatorcontrib><creatorcontrib>Mortazawi, A.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><jtitle>IEEE transactions on microwave theory and techniques</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Jia-Shiang Fu</au><au>Mortazawi, A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Improving Power Amplifier Efficiency and Linearity Using a Dynamically Controlled Tunable Matching Network</atitle><jtitle>IEEE transactions on microwave theory and techniques</jtitle><stitle>TMTT</stitle><date>2008-12-01</date><risdate>2008</risdate><volume>56</volume><issue>12</issue><spage>3239</spage><epage>3244</epage><pages>3239-3244</pages><issn>0018-9480</issn><eissn>1557-9670</eissn><coden>IETMAB</coden><abstract>This paper presents a tunable matching network that enhances both efficiency and linearity of power amplifiers (PAs). A medium-power amplifier with a varactor-based matching network is designed, fabricated, and tested. It is demonstrated that not only the power efficiency at reduced drive levels can be improved but also the AM-AM and AM-PM distortions of the PA are reduced when the tunable matching network is biased according to the input drive level. Moreover, under 3GPP WCDMA modulated input, the PA with a dynamically controlled tunable matching network achieves up to 5% improvement in drain efficiency when compared with a PA employing a fixed matching network.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TMTT.2008.2007094</doi><tpages>6</tpages></addata></record> |
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| identifier | ISSN: 0018-9480 |
| ispartof | IEEE transactions on microwave theory and techniques, 2008-12, Vol.56 (12), p.3239-3244 |
| issn | 0018-9480 1557-9670 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Amplifiers Applied sciences Circuit properties Complexity theory Distortion Drains Drives Efficiency Electric, optical and optoelectronic circuits Electronic circuits Electronic equipment and fabrication. Passive components, printed wiring boards, connectics Electronics Energy consumption Equipments and installations Exact sciences and technology Impedance matching Linearity Matching Microwaves Mobile radiocommunication systems Multiaccess communication Networks Power amplifiers power amplifiers (PAs) Power efficiency Radiocommunications Telecommunications Telecommunications and information theory Testing Tunable circuits and devices tunable matching networks Varactors |
| title | Improving Power Amplifier Efficiency and Linearity Using a Dynamically Controlled Tunable Matching Network |
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