Natalia Gudino1, Jacco A de Zwart1, Qi Duan1, Peter van Gelderen1, and Duyn Jeff H1
We demonstrate a new on-coil current-source switch-mode
amplifier and communication setup for 7T imaging, which allows monitoring of
the RF phase, frequency and amplitude at the amplifier output. This information
is made available through a single optical signal per amplifier, making it a
practical approach for safety monitoring and fast calibration of on-coil
amplifier technology for parallel RF transmission.