| Philips磁共振射频软故障的检修与分析 |
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| 引用本文： | 刘宏,刘颖.Philips磁共振射频软故障的检修与分析[J].CT理论与应用研究,2001,10(3):39-41. |
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| 作者姓名： | 刘宏 刘颖 |
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| 作者单位： | {江苏省徐州医学院附属医院MR室 |
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| 摘 要： | Philips T5-NT磁共振设备中的射频放大器出现了偏流超出正常值的软故障,经过测试软件测试,以及进行最大功率调节等处理,最终判定功率放大部件故障,并由替代法证实。
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| 关 键 词： | 磁共振 射频放大器 偏流 故障 替代法 |
| 修稿时间： | 2001年5月8日 |
Detecting A Soft Trouble of Philips MRI RF Amplifier |
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| LIU Hong and LIU Ying.Detecting A Soft Trouble of Philips MRI RF Amplifier[J].Computerized Tomography Theory and Applications,2001,10(3):39-41. |
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| Authors: | LIU Hong and LIU Ying |
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| Abstract: | A soft trouble of Philips MRI RF amplifier occurred with message -"Bias current out of range" on operating console screen, and the scan stopped. After checking the RF amplifier by "Test Software", and adjusting maximum RF power, the malfunction unit-RF power amplifier board was found, and it was proved by replaced the board. |
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| Keywords: | MR RF amplifier Bias current |
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