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Abstract #3139

Onboard RF Combination for Receiver Channel Reduction

Ziyuan Fu 1 , Mark Bolding 2 , and Shumin Wang 1

1 Auburn University, Auburn, AL, United States, 2 Radiology, University of Alabama, Birmingham, AL, United States

Multi-channel surface receiver arrays are a popular approach for improving the signal-to-noise ratio (SNR) in MRI when sample noise is dominant1. It has been demonstrated that even at the center of the human head where conventional circularly polarized birdcage coils perform very well, the SNR can still be significantly increased by using a receiver array2. In order to support their functionality, multi-channel receiver systems are normally required on a MRI scanner. The aim of this study is to develop an onboard RF combination circuit that can support multi-channel signal reception with fewer or just one RF receiver channel.

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