Demonstration of High Efficiency on Coil RF Amplifier for 7 Tesla MRI

Keywords

accurate active adaptation added additional amplification amplifier amplifiers amplify amplitude antenna array avoids bands black block boards bore cable capability capable capacitance chain channel circuit circuitry class clearly closely coil connected consequently console contains control cool cross demonstrating demonstration dependent desirable determined digital directly driven driver efficiency element enabling envelope equivalent excess excitation existing extensive fact feedback fields frequency functionality future gradient gradients hardware heat hence highly in vivo includes incorporating input interface interfaced isotropic like linearity little load local loop losses magnet measured medical mens middle modifications modulated modulation modulator note nova optimized originating oscilloscope output parallel particularly peter phantom place placed possibility potential power principle problem proof properties providing pulse pulses radiology readout receive regulated relatively remains removing require requires resolution sampling saturated scaling scanner schematic selection selective setup shape since slice slices solved source sphere still sufficient suited supply system though trace translated transmit upper voltage volunteer waveform waveforms wrist