{"title":"一种新颖的高频、高效率、差分e类功率放大器，采用0.18 /spl mu/m CMOS","authors":"P. Heydari, Ying Zhang","doi":"10.1109/LPE.2003.1231951","DOIUrl":null,"url":null,"abstract":"This paper presents the design of a high efficiency, low THD, 5.7 GHz fully differential power amplifier for wireless communications in a standard 0.18 /spl mu/m CMOS technology. The power amplifier employs a fully differential class-E topology to achieve high power efficiency by exploiting its soft-switching property. In order to achieve high operating frequency, an injection-locked oscillator is utilized, which makes the output voltage of the power amplifier tuned at the input signal frequency. A complementary CMOS cross-coupled pair topology is employed to realize the LC-tank oscillator because it has lower phase-noise, thereby giving lower THD than the single NMOS cross-coupled pair topology. The proposed power amplifier can deliver 25 dBm output power to a 50 /spl Omega/ load at 5.7 GHz with 42.6% power-added efficiency (PAE) from a 1.8 V supply voltage.","PeriodicalId":355883,"journal":{"name":"Proceedings of the 2003 International Symposium on Low Power Electronics and Design, 2003. ISLPED '03.","volume":"39 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"7","resultStr":"{\"title\":\"A novel high frequency, high-efficiency, differential class-E power amplifier in 0.18 /spl mu/m CMOS\",\"authors\":\"P. Heydari, Ying Zhang\",\"doi\":\"10.1109/LPE.2003.1231951\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper presents the design of a high efficiency, low THD, 5.7 GHz fully differential power amplifier for wireless communications in a standard 0.18 /spl mu/m CMOS technology. The power amplifier employs a fully differential class-E topology to achieve high power efficiency by exploiting its soft-switching property. In order to achieve high operating frequency, an injection-locked oscillator is utilized, which makes the output voltage of the power amplifier tuned at the input signal frequency. A complementary CMOS cross-coupled pair topology is employed to realize the LC-tank oscillator because it has lower phase-noise, thereby giving lower THD than the single NMOS cross-coupled pair topology. The proposed power amplifier can deliver 25 dBm output power to a 50 /spl Omega/ load at 5.7 GHz with 42.6% power-added efficiency (PAE) from a 1.8 V supply voltage.\",\"PeriodicalId\":355883,\"journal\":{\"name\":\"Proceedings of the 2003 International Symposium on Low Power Electronics and Design, 2003. ISLPED '03.\",\"volume\":\"39 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"7\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the 2003 International Symposium on Low Power Electronics and Design, 2003. ISLPED '03.\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/LPE.2003.1231951\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the 2003 International Symposium on Low Power Electronics and Design, 2003. ISLPED '03.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/LPE.2003.1231951","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A novel high frequency, high-efficiency, differential class-E power amplifier in 0.18 /spl mu/m CMOS
This paper presents the design of a high efficiency, low THD, 5.7 GHz fully differential power amplifier for wireless communications in a standard 0.18 /spl mu/m CMOS technology. The power amplifier employs a fully differential class-E topology to achieve high power efficiency by exploiting its soft-switching property. In order to achieve high operating frequency, an injection-locked oscillator is utilized, which makes the output voltage of the power amplifier tuned at the input signal frequency. A complementary CMOS cross-coupled pair topology is employed to realize the LC-tank oscillator because it has lower phase-noise, thereby giving lower THD than the single NMOS cross-coupled pair topology. The proposed power amplifier can deliver 25 dBm output power to a 50 /spl Omega/ load at 5.7 GHz with 42.6% power-added efficiency (PAE) from a 1.8 V supply voltage.
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