A digitally controlled PA with tunable matching network
A class AB power amplifier (PA) with output power digital controllability for WSNs is implemented in 65nm CMOS technology. The programmable output power is realized by altering the number of working cells and adjusting the load through a tunable matching network, which can increase the back-off effi...
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| creator | Fei Jia Dong Huang Shengxi Diao Zhongqian Fu Fujiang Lin |
| description | A class AB power amplifier (PA) with output power digital controllability for WSNs is implemented in 65nm CMOS technology. The programmable output power is realized by altering the number of working cells and adjusting the load through a tunable matching network, which can increase the back-off efficiency significantly. Dummy FETs are used for neutralization to increase reverse isolation. The measurement results show a peak output power of 3dBm and a PAE of 40% with a 1.2V supply. Drain efficiency at back off (above 3dB) increases by more than 10%, comparing to traditional digital controlled PA. |
| doi_str_mv | 10.1109/RFIT.2012.6401674 |
| format | Conference Proceeding |
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The programmable output power is realized by altering the number of working cells and adjusting the load through a tunable matching network, which can increase the back-off efficiency significantly. Dummy FETs are used for neutralization to increase reverse isolation. The measurement results show a peak output power of 3dBm and a PAE of 40% with a 1.2V supply. 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Drain efficiency at back off (above 3dB) increases by more than 10%, comparing to traditional digital controlled PA.</description><subject>Arrays</subject><subject>Capacitors</subject><subject>Digital control</subject><subject>Dynamic range</subject><subject>FETs</subject><subject>Inductors</subject><subject>neutralization</subject><subject>power amplifier</subject><subject>Power generation</subject><subject>tunable matching network</subject><subject>wireless sensor networks</subject><isbn>9781467323031</isbn><isbn>1467323039</isbn><isbn>1467323047</isbn><isbn>9781467323055</isbn><isbn>1467323055</isbn><isbn>9781467323048</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2012</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNo1j11LwzAYhSMiqLM_QLzJH2h982GyXJbhdDBQpPfjbfJ2i2attJGxf-_AeXU48JwHDmP3AiohwD1-LFdNJUHIymgQxuoLdiu0sUoq0PaSFc7O_7sS16yYpk8AOG2Nk3DDbM1D3MaMKR25H_o8DilR4O81P8S84_mnxzYR32P2u9hveU_5MIxfd-yqwzRRcc4Za5bPzeK1XL-9rBb1uowOcokkjUNUOljnOiQlxZM3Qeu2M0ZZLwG01B4CnqDOCtDeCj2n1lDnlEQ1Yw9_2khEm-8x7nE8bs5X1S9erEbA</recordid><startdate>201211</startdate><enddate>201211</enddate><creator>Fei Jia</creator><creator>Dong Huang</creator><creator>Shengxi Diao</creator><creator>Zhongqian Fu</creator><creator>Fujiang Lin</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>201211</creationdate><title>A digitally controlled PA with tunable matching network</title><author>Fei Jia ; Dong Huang ; Shengxi Diao ; Zhongqian Fu ; Fujiang Lin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i90t-ae269aa34d799fae3215c6d44bf6637c200424c0daaa3f7104c7148eb6ef932a3</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Arrays</topic><topic>Capacitors</topic><topic>Digital control</topic><topic>Dynamic range</topic><topic>FETs</topic><topic>Inductors</topic><topic>neutralization</topic><topic>power amplifier</topic><topic>Power generation</topic><topic>tunable matching network</topic><topic>wireless sensor networks</topic><toplevel>online_resources</toplevel><creatorcontrib>Fei Jia</creatorcontrib><creatorcontrib>Dong Huang</creatorcontrib><creatorcontrib>Shengxi Diao</creatorcontrib><creatorcontrib>Zhongqian Fu</creatorcontrib><creatorcontrib>Fujiang Lin</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>Fei Jia</au><au>Dong Huang</au><au>Shengxi Diao</au><au>Zhongqian Fu</au><au>Fujiang Lin</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>A digitally controlled PA with tunable matching network</atitle><btitle>2012 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)</btitle><stitle>RFIT</stitle><date>2012-11</date><risdate>2012</risdate><spage>243</spage><epage>245</epage><pages>243-245</pages><isbn>9781467323031</isbn><isbn>1467323039</isbn><eisbn>1467323047</eisbn><eisbn>9781467323055</eisbn><eisbn>1467323055</eisbn><eisbn>9781467323048</eisbn><abstract>A class AB power amplifier (PA) with output power digital controllability for WSNs is implemented in 65nm CMOS technology. The programmable output power is realized by altering the number of working cells and adjusting the load through a tunable matching network, which can increase the back-off efficiency significantly. Dummy FETs are used for neutralization to increase reverse isolation. The measurement results show a peak output power of 3dBm and a PAE of 40% with a 1.2V supply. Drain efficiency at back off (above 3dB) increases by more than 10%, comparing to traditional digital controlled PA.</abstract><pub>IEEE</pub><doi>10.1109/RFIT.2012.6401674</doi><tpages>3</tpages></addata></record> |
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| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Arrays Capacitors Digital control Dynamic range FETs Inductors neutralization power amplifier Power generation tunable matching network wireless sensor networks |
| title | A digitally controlled PA with tunable matching network |
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