Chinese Journal of Magnetic Resonance ›› 2007, Vol. 24 ›› Issue (4): 426-432.

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The Design of an Arbitrary Waveform Generator

LEI Du, JI Wen-bin, QIAO Yong, ZHOU Juan,  JIANG Yu*   

  1. Shanghai Key Laboratory of Functional Magnetic Resonance Imaging, Department of Physics, East China Normal University, Shanghai 200062, China
  • Received:2007-08-28 Online:2007-12-05 Published:2007-12-05
  • About author:*Corresponding author: Jiang Yu, Tel:021-62233290, E-mail:yjiang@phy.ecnu.edu.cn.
  • Supported by:

    上海市科委项目(06DZ11315); 上海市功能磁共振成像重点实验室开放课题基金资助.

Abstract:

Arbitrary Waveform Generator (AWG) plays an important role in general purpose signal generators. It is widely used in physics, electronics and computer area. In this paper, a non-PC dependent AWG designed specifically for use in low-field MRI is proposed. The performance of the AWG is tested with MRI experiment. Potential problems in the current design are discussed.

Key words: NMR, arbitrary waveform generator, DDS, analog multiplexer

CLC Number: