Maximum current output
Maximum voltage output
DC offset trim
About the MXB Series
The MXB series shim power amplifier enables shimming of MRI magnets under static and dynamic shim updating and real time shimming on multiple slices, voxels or regions of interest with simultaneous compensation of shim induced eddy currents.
OEM and Pre-Clinical Applications
5 A @ 24 V DC and 70 V AC
+/-20A or +/-40A
5A per channel, capable of parallel operation
DC compliance +/-24V AC compliance +/-70V
115 or 230 VAC, 50/60 Hz
Customer specific (RS-232, Ethernet, USB, CAN,…)
+/- 5V or +/- 10 V differential
50 ppm/degree C
2-4.8 ohm, 0-20 mH
UL/EN/IEC/CSA C22.2 60601
19“ x 3U x 550 mm (22“)
Real Time Shimming
Dynamic Shim Update
Eddy Current Compensation (ECC)
Ability to change shim current
Process allowing synchronous change of shim currents as
required by the imaging sequence
Modification of shim currents for correction of time dependent field changes after a current change
To provide a stable current source with high output compliance for control of multiple shim channels in a modern MRI system.
To ensure stable operation in the presence of large voltages induced in the shim coils.
To have flexible digital and analog control from the MRI console for static and dynamic operation.
MXB-6 Shim Power Supply