{"title":"具有放松采样率要求的PA特性和预失真实验测试平台","authors":"P. Bagot, Souheil Ben Smida, O. Hammi","doi":"10.1109/ARFTG.2017.8000819","DOIUrl":null,"url":null,"abstract":"This paper explores an interleaving approach to expand the effective sampling rate of analog-to-digital converters (ADCs) with application to power amplifier characterization and digital pre-distortion. By interleaving a known test signal, it is shown that a 250 MSPS ADC can be used to effectively sample at 2 GSPS, providing 1 GHz of observational bandwidth. A 200 MHz “stretched” LTE signal is then acquired using this technique, and digital pre-distortion is successfully applied to an amplifier under test to prove the concept.","PeriodicalId":282023,"journal":{"name":"2017 89th ARFTG Microwave Measurement Conference (ARFTG)","volume":"247 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Experimental testbed for PA characterization and pre-distortion with relaxed sampling rate requirements\",\"authors\":\"P. Bagot, Souheil Ben Smida, O. Hammi\",\"doi\":\"10.1109/ARFTG.2017.8000819\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper explores an interleaving approach to expand the effective sampling rate of analog-to-digital converters (ADCs) with application to power amplifier characterization and digital pre-distortion. By interleaving a known test signal, it is shown that a 250 MSPS ADC can be used to effectively sample at 2 GSPS, providing 1 GHz of observational bandwidth. A 200 MHz “stretched” LTE signal is then acquired using this technique, and digital pre-distortion is successfully applied to an amplifier under test to prove the concept.\",\"PeriodicalId\":282023,\"journal\":{\"name\":\"2017 89th ARFTG Microwave Measurement Conference (ARFTG)\",\"volume\":\"247 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2017-06-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2017 89th ARFTG Microwave Measurement Conference (ARFTG)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ARFTG.2017.8000819\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 89th ARFTG Microwave Measurement Conference (ARFTG)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ARFTG.2017.8000819","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Experimental testbed for PA characterization and pre-distortion with relaxed sampling rate requirements
This paper explores an interleaving approach to expand the effective sampling rate of analog-to-digital converters (ADCs) with application to power amplifier characterization and digital pre-distortion. By interleaving a known test signal, it is shown that a 250 MSPS ADC can be used to effectively sample at 2 GSPS, providing 1 GHz of observational bandwidth. A 200 MHz “stretched” LTE signal is then acquired using this technique, and digital pre-distortion is successfully applied to an amplifier under test to prove the concept.
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