波谱学杂志2011，Vol.28Issue(3)：326-338,13.
核磁共振波谱仪用射频功率放大器的设计与实现
Design and Implementation of An RF Power Amplifier Used in Nuclear Magnetic Resonance Spectrometer
摘要
Abstract
The design and implementation of a broadband RF power amplifier used in nu clear magnetic resonance spectrometer were introduced. Based on a two-stage architec ture, the power amplifier was composed of a high frequency module, a broadband mod ule and two directional couplers, to meet various requirements of NMR experiments. The rise time, fall time and power linearity of the power amplifier was measured on a home-built 500 MHz NMR spectrometer. Comparison of NMR sensitivity demonstrated good performance of this power amplifier in common NMR experiments.关键词
核磁共振(NMR)/功率放大器/传输线变压器/匹配网络Key words
NMR, power amplifier, transmission line transformer, matching circuits分类
数理科学引用本文复制引用
李由,毛文平,王恢旺,刘洋,陈方,刘朝阳..核磁共振波谱仪用射频功率放大器的设计与实现[J].波谱学杂志,2011,28(3):326-338,13.基金项目
国家自然科学基金资助项目(10675162),科技支撑计划资助项目(2006BAK03A22). （10675162）
