Efficiency enhanced class-F Doherty power amplifier at 3.5GHz for LTE-Advanced application
This paper presents a high-efficiency broadband GaN HEMT class-F Doherty Power amplifier at 3.5GHz for LTE-Advanced applications. The carrier and peak amplifier of the Doherty amplifier both adopts class-F design strategy to obtain higher efficiency, in which the transmission-line harmonic suppressi...
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| creator | Cheng-zhi Fan Xiao-Wei Zhu Jing Xia Lei Zhang |
| description | This paper presents a high-efficiency broadband GaN HEMT class-F Doherty Power amplifier at 3.5GHz for LTE-Advanced applications. The carrier and peak amplifier of the Doherty amplifier both adopts class-F design strategy to obtain higher efficiency, in which the transmission-line harmonic suppression network for controlling the second and third harmonics is employed. Measurement results show that DE of the proposed PA can achieve higher than 50% at the output power range of 40-46dBm. The efficiency is improved 10% comparing to conventional class-AB Doherty amplifier at most. The linearity performance of class-F Doherty PA is demonstrated with LTE-Advanced signals by utilizing the PA linearization technique combined of DPD and PAPR reduction techniques, the ACLR can reach -47dBc and -46dBc for 40MHz and 60MHz bandwidth respectively. |
| doi_str_mv | 10.1109/APMC.2013.6694963 |
| format | Conference Proceeding |
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The carrier and peak amplifier of the Doherty amplifier both adopts class-F design strategy to obtain higher efficiency, in which the transmission-line harmonic suppression network for controlling the second and third harmonics is employed. Measurement results show that DE of the proposed PA can achieve higher than 50% at the output power range of 40-46dBm. The efficiency is improved 10% comparing to conventional class-AB Doherty amplifier at most. The linearity performance of class-F Doherty PA is demonstrated with LTE-Advanced signals by utilizing the PA linearization technique combined of DPD and PAPR reduction techniques, the ACLR can reach -47dBc and -46dBc for 40MHz and 60MHz bandwidth respectively.</description><identifier>ISSN: 2165-4727</identifier><identifier>EISSN: 2165-4743</identifier><identifier>EISBN: 9781479914722</identifier><identifier>EISBN: 147991472X</identifier><identifier>DOI: 10.1109/APMC.2013.6694963</identifier><language>eng</language><publisher>IEEE</publisher><subject>Bandwidth ; broadband ; class-F Doherty ; Harmonic analysis ; high efficiency ; Linearity ; Long Term Evolution ; LTE-Advanced ; power amplifier ; Power amplifiers ; Power generation ; Power measurement</subject><ispartof>2013 Asia-Pacific Microwave Conference Proceedings (APMC), 2013, p.707-709</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/6694963$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,776,780,785,786,2052,27902,54895</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/6694963$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Cheng-zhi Fan</creatorcontrib><creatorcontrib>Xiao-Wei Zhu</creatorcontrib><creatorcontrib>Jing Xia</creatorcontrib><creatorcontrib>Lei Zhang</creatorcontrib><title>Efficiency enhanced class-F Doherty power amplifier at 3.5GHz for LTE-Advanced application</title><title>2013 Asia-Pacific Microwave Conference Proceedings (APMC)</title><addtitle>APMC</addtitle><description>This paper presents a high-efficiency broadband GaN HEMT class-F Doherty Power amplifier at 3.5GHz for LTE-Advanced applications. The carrier and peak amplifier of the Doherty amplifier both adopts class-F design strategy to obtain higher efficiency, in which the transmission-line harmonic suppression network for controlling the second and third harmonics is employed. Measurement results show that DE of the proposed PA can achieve higher than 50% at the output power range of 40-46dBm. The efficiency is improved 10% comparing to conventional class-AB Doherty amplifier at most. The linearity performance of class-F Doherty PA is demonstrated with LTE-Advanced signals by utilizing the PA linearization technique combined of DPD and PAPR reduction techniques, the ACLR can reach -47dBc and -46dBc for 40MHz and 60MHz bandwidth respectively.</description><subject>Bandwidth</subject><subject>broadband</subject><subject>class-F Doherty</subject><subject>Harmonic analysis</subject><subject>high efficiency</subject><subject>Linearity</subject><subject>Long Term Evolution</subject><subject>LTE-Advanced</subject><subject>power amplifier</subject><subject>Power amplifiers</subject><subject>Power generation</subject><subject>Power measurement</subject><issn>2165-4727</issn><issn>2165-4743</issn><isbn>9781479914722</isbn><isbn>147991472X</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2013</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNo9kM1OwzAQhA0CiarkARAXv0CC7fVPfIxCf5CK4FAuXConWatGaRIlEag8fYNacZn5DjOr1RDywFnCObNP2ftrngjGIdHaSqvhikTWpFwaaycR4prMBNcqlkbCzT8Lc0eiYfhijHFjlAI1I58L70MZsCmPFJu9a0qsaFm7YYiX9LndYz8eadf-YE_doauDD380UkjUav1LfdvTzXYRZ9X3ueq6KVS6MbTNPbn1rh4wuvicfCwX23wdb95WL3m2iYOQfIyn35hUhUm9UtwgoHLcwIQuVVCBsYiqZJIBFgaELZxnGpRNeeV1UWkDc_J4vhsQcdf14eD64-6yDJwA_B5TZQ</recordid><startdate>201311</startdate><enddate>201311</enddate><creator>Cheng-zhi Fan</creator><creator>Xiao-Wei Zhu</creator><creator>Jing Xia</creator><creator>Lei Zhang</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>201311</creationdate><title>Efficiency enhanced class-F Doherty power amplifier at 3.5GHz for LTE-Advanced application</title><author>Cheng-zhi Fan ; Xiao-Wei Zhu ; Jing Xia ; Lei Zhang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i241t-165045b78f5517e3e5a173517a853d379ee5c0403eb7329baf0635981df6bd673</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Bandwidth</topic><topic>broadband</topic><topic>class-F Doherty</topic><topic>Harmonic analysis</topic><topic>high efficiency</topic><topic>Linearity</topic><topic>Long Term Evolution</topic><topic>LTE-Advanced</topic><topic>power amplifier</topic><topic>Power amplifiers</topic><topic>Power generation</topic><topic>Power measurement</topic><toplevel>online_resources</toplevel><creatorcontrib>Cheng-zhi Fan</creatorcontrib><creatorcontrib>Xiao-Wei Zhu</creatorcontrib><creatorcontrib>Jing Xia</creatorcontrib><creatorcontrib>Lei Zhang</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Cheng-zhi Fan</au><au>Xiao-Wei Zhu</au><au>Jing Xia</au><au>Lei Zhang</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Efficiency enhanced class-F Doherty power amplifier at 3.5GHz for LTE-Advanced application</atitle><btitle>2013 Asia-Pacific Microwave Conference Proceedings (APMC)</btitle><stitle>APMC</stitle><date>2013-11</date><risdate>2013</risdate><spage>707</spage><epage>709</epage><pages>707-709</pages><issn>2165-4727</issn><eissn>2165-4743</eissn><eisbn>9781479914722</eisbn><eisbn>147991472X</eisbn><abstract>This paper presents a high-efficiency broadband GaN HEMT class-F Doherty Power amplifier at 3.5GHz for LTE-Advanced applications. The carrier and peak amplifier of the Doherty amplifier both adopts class-F design strategy to obtain higher efficiency, in which the transmission-line harmonic suppression network for controlling the second and third harmonics is employed. Measurement results show that DE of the proposed PA can achieve higher than 50% at the output power range of 40-46dBm. The efficiency is improved 10% comparing to conventional class-AB Doherty amplifier at most. The linearity performance of class-F Doherty PA is demonstrated with LTE-Advanced signals by utilizing the PA linearization technique combined of DPD and PAPR reduction techniques, the ACLR can reach -47dBc and -46dBc for 40MHz and 60MHz bandwidth respectively.</abstract><pub>IEEE</pub><doi>10.1109/APMC.2013.6694963</doi><tpages>3</tpages></addata></record> |
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| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Bandwidth broadband class-F Doherty Harmonic analysis high efficiency Linearity Long Term Evolution LTE-Advanced power amplifier Power amplifiers Power generation Power measurement |
| title | Efficiency enhanced class-F Doherty power amplifier at 3.5GHz for LTE-Advanced application |
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