DCT载波泄漏校正

S. Tedjini, S. Gaoua, R. Touhami, M. Yagoub, A. Bellaouar
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引用次数: 0

摘要

针对直接转换变送器直流偏置引起的载波泄漏,提出了一种改进的数字校准方法。我们使用功率检测器来估计直流偏置。之后,我们注入了一个补偿电压来消除这个直流偏移。为了验证我们的技术,提出了一种工作在2GHz的新型直接转换发射机。利用Agilent - ADS软件进行仿真和标定。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Carrier leakage calibration in DCT
In this paper, an improved version of the digital calibration method for carrier leakage, which is caused by the DC offset on direct conversion transmitter, is proposed. We have used a power detector for estimating the DC offset. After, we have injected a compensation voltage for eliminating this DC offset. In order to validate our technique, a new direct conversion transmitter that operates at 2GHz, is proposed. The simulation and the implementation of the calibration were performed using the Agilent - ADS software.
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