A Spectral-Scanning Nuclear Magnetic Resonance Imaging (MRI) Transceiver

Arjang Hassibi, Aydin Babakhani, Ali Hajimiri
2009 IEEE Journal of Solid-State Circuits  
An integrated spectral-scanning nuclear magnetic resonance imaging (MRI) transceiver is implemented in a 0.12 m SiGe BiCMOS process. The MRI transmitter and receiver circuitry is designed specifically for small-scale surface MRI diagnostics applications where creating low (below 1 T) and inhomogeneous magnetic field is more practical. The operation frequency for magnetic resonance detection and analysis is tunable from 1 kHz to 37 MHz, corresponding to 0-0.9 T magnetization for 1 H (Hydrogen).
more » ... he concurrent measurement bandwidth is approximately one frequency octave. The chip can also be used for conventional narrowband nuclear magnetic resonance (NMR) spectroscopy from 1 kHz up to 250 MHz. This integrated transceiver consists of both the magnetic resonance transmitter which generates the required excitation pulses for the magnetic dipole excitation, and the receiver which recovers the responses of the dipoles.
doi:10.1109/jssc.2009.2020456 fatcat:oyhs5jwl3vgmzarj7ouz7qws2u