Gradient amplifier system with flexible amplifier allocation

Details Gradient amplifier system with flexible amplifier allocation Gradient amplifier system with flexible amplifier allocation

G - Physics

01

N

324/1

G01N 24/08 (2006.01) G01R 33/385 (2006.01) H03F 3/217 (2006.01)

Patent

CA 2034477

15NM03268 Abstract of the Disclosure A magnetic resonance imaging system uses a pool of amplifiers to generate gradient signals. Each amplifier within the pool may be switched among any of the gradient axes, so as to efficiently allocate amplifier power among the gradients. In one embodiment, the amplifiers of the pools are connected in stacks by an input and output matrix comprised of mechanical switches driven in tandem by interlocked motors. The switches connect the outputs of the amplifiers in series. The input signal is "boot strapped" through the amplifier stack to provide proper signal level.

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