{"title":"一个8 ppm, 45 pJ/bit的UWB发射机，减少了PA元件的数量","authors":"V. Majidzadeh, A. Schmid, Y. Leblebici, J. Rabaey","doi":"10.1109/VLSIC.2012.6243777","DOIUrl":null,"url":null,"abstract":"A pulsed UWB transmitter (Tx) using finite impulse response synthesis of the raised-cosine pulse is presented. Symmetric pulse combining technique is proposed to reduce the number of power amplifier elements by half. A novel all-digital delay locked loop (AD-DLL) serves as an 8-array pulse position modulator (PPM) for aggressive duty-cycling of the Tx. The chip is fabricated with 90nm CMOS technology and consumes 540 μW from 1 V power supply resulting in 45 pJ/bit energy efficiency with -26 dBm of output power.","PeriodicalId":6347,"journal":{"name":"2012 Symposium on VLSI Circuits (VLSIC)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2012-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"9","resultStr":"{\"title\":\"An 8-PPM, 45 pJ/bit UWB transmitter with reduced number of PA elements\",\"authors\":\"V. Majidzadeh, A. Schmid, Y. Leblebici, J. Rabaey\",\"doi\":\"10.1109/VLSIC.2012.6243777\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A pulsed UWB transmitter (Tx) using finite impulse response synthesis of the raised-cosine pulse is presented. Symmetric pulse combining technique is proposed to reduce the number of power amplifier elements by half. A novel all-digital delay locked loop (AD-DLL) serves as an 8-array pulse position modulator (PPM) for aggressive duty-cycling of the Tx. The chip is fabricated with 90nm CMOS technology and consumes 540 μW from 1 V power supply resulting in 45 pJ/bit energy efficiency with -26 dBm of output power.\",\"PeriodicalId\":6347,\"journal\":{\"name\":\"2012 Symposium on VLSI Circuits (VLSIC)\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2012-06-13\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"9\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2012 Symposium on VLSI Circuits (VLSIC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/VLSIC.2012.6243777\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 Symposium on VLSI Circuits (VLSIC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/VLSIC.2012.6243777","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
An 8-PPM, 45 pJ/bit UWB transmitter with reduced number of PA elements
A pulsed UWB transmitter (Tx) using finite impulse response synthesis of the raised-cosine pulse is presented. Symmetric pulse combining technique is proposed to reduce the number of power amplifier elements by half. A novel all-digital delay locked loop (AD-DLL) serves as an 8-array pulse position modulator (PPM) for aggressive duty-cycling of the Tx. The chip is fabricated with 90nm CMOS technology and consumes 540 μW from 1 V power supply resulting in 45 pJ/bit energy efficiency with -26 dBm of output power.
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