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‘db by dt’
•
Gradient waveform trapezoidal
•
Amplitude, Rise time, Slew rate
e.g. 40 mT/m & 200
s = 200 T/m/s
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Rapid changes (‘db/dt’) potential safety
aspects
Slew Rate (T/m/s) = Amplitude (mT/m)
Rise Time (
s)
Rise time
Max amplitude plateau