A digital receiver with fast frequency- and gain-switching capabilities for MRI systems

  title={A digital receiver with fast frequency- and gain-switching capabilities for MRI systems},
  author={Ning Ruipeng and Dai Yidong and Yang Guang and Li Gengying},
  journal={Magnetic Resonance Materials in Physics, Biology and Medicine},
In this article, two issues pertaining to MRI digital receivers are addressed. One is the maintenance of phase coherence between the transmitter and the receiver—an effective solution is proposed, in which the receiver frequency is switched synchronously with the transmitter frequency. The other is the dynamic range of the receiver—gain-switching technique is utilized to improve the dynamic range. To meet the hardware requirements of these solutions, a digital receiver with fast frequency- and… CONTINUE READING


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