Philips磁共振射频软故障的检修与分析

详细信息

Detecting A Soft Trouble of Philips MRI RF Amplifier

Department of Radiology of Affiliated hospital of Xuzhou medical collage, 221002

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。
- 磁共振 /
- 射频放大器 /
- 偏流
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.
- MR /
- RF amplifier /
- Bias current