在CDMA通信系统中使用宽带交叉调制的LSNA进行时域表征

2009 International Conference on Advances in Computational Tools for Engineering Applications Pub Date : 2009-07-15 DOI:10.1109/ACTEA.2009.5227935

M. Abou chahine, A. Saleh, D. Rousset, G. Neveux, D. Barataud, J. Nebus

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引用次数: 0

摘要

提出了一种用于非线性微波器件特性表征的四通道时域测量系统。这个基于使用LSNA(大信号网络分析仪)的表征系统是完全校准的。它允许时域波形表征由宽带调制信号驱动的非线性器件。我们对用于CDMA通信系统的FREESCALE PW6IC1940-50W放大器在1.94 GHz频率下的交叉调制进行了测量。记录和讨论了振幅和相位调制指数随输入功率的变化。

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Time-domain characterization using LSNA of a broad band cross modulation in CDMA communication systems

This paper presents a four channel time-domain measurement system for the characterization of nonlinear microwave devices. This characterization system based on the use of a LSNA (Large Signal Network Analyzer) is fully calibrated. It allows the time domain waveforms characterization of non linear devices driven by broadband modulated signals. We perform the measurement of a cross modulation for a FREESCALE PW6IC1940-50W amplifier used in CDMA communication systems at a frequency of 1.94 GHz. Variations of amplitude and phase modulation indices versus input power are recorded and discussed.

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2009 International Conference on Advances in Computational Tools for Engineering Applications

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