{"title":"低带外噪声LTE发射机与电流模式的方法","authors":"Nicola Codega, A. Liscidini, R. Castello","doi":"10.1109/ESSCIRC.2013.6649128","DOIUrl":null,"url":null,"abstract":"A 55nm CMOS current-mode transmitter for multistandard wireless communications (including LTE) that requires only 1.5mm2 (with 4 output ports) is presented. The circuit is made up of two portions: a class A/B up-converter and a baseband that includes DAC, VGA, low-pass filter (two Biquad plus a passive first order) and class A/B signal conditioner. Combining a third order filter with the class A/B conditioner results in a reduction of both current consumption and RX-band noise injection. For LTE10, the consumption is 96mW and 34mW at 4dBm and at -10dBm output power, respectively. The complete transmitter gives -158dBc/Hz RX-band noise injection at 30MHz offset.","PeriodicalId":183620,"journal":{"name":"2013 Proceedings of the ESSCIRC (ESSCIRC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2013-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"A low out-of-band noise LTE transmitter with current-mode approach\",\"authors\":\"Nicola Codega, A. Liscidini, R. Castello\",\"doi\":\"10.1109/ESSCIRC.2013.6649128\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A 55nm CMOS current-mode transmitter for multistandard wireless communications (including LTE) that requires only 1.5mm2 (with 4 output ports) is presented. The circuit is made up of two portions: a class A/B up-converter and a baseband that includes DAC, VGA, low-pass filter (two Biquad plus a passive first order) and class A/B signal conditioner. Combining a third order filter with the class A/B conditioner results in a reduction of both current consumption and RX-band noise injection. For LTE10, the consumption is 96mW and 34mW at 4dBm and at -10dBm output power, respectively. The complete transmitter gives -158dBc/Hz RX-band noise injection at 30MHz offset.\",\"PeriodicalId\":183620,\"journal\":{\"name\":\"2013 Proceedings of the ESSCIRC (ESSCIRC)\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2013-10-31\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2013 Proceedings of the ESSCIRC (ESSCIRC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ESSCIRC.2013.6649128\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2013 Proceedings of the ESSCIRC (ESSCIRC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ESSCIRC.2013.6649128","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A low out-of-band noise LTE transmitter with current-mode approach
A 55nm CMOS current-mode transmitter for multistandard wireless communications (including LTE) that requires only 1.5mm2 (with 4 output ports) is presented. The circuit is made up of two portions: a class A/B up-converter and a baseband that includes DAC, VGA, low-pass filter (two Biquad plus a passive first order) and class A/B signal conditioner. Combining a third order filter with the class A/B conditioner results in a reduction of both current consumption and RX-band noise injection. For LTE10, the consumption is 96mW and 34mW at 4dBm and at -10dBm output power, respectively. The complete transmitter gives -158dBc/Hz RX-band noise injection at 30MHz offset.
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