The Analog Brain Imaging Laboratory

Hardware Overview

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The main features of the HF-1 hardware system are:

Variable sampling rate of up to 20 kHz per channel.
User selectable bandwidth from DC to 500 Hz or 4 kHz.
High dynamic range achieved through use of 24-bit analog-to-digital converters (ADC).
Programmable microcontroller unit to permit end-user customization of data acquisition functions.
Synchronization of electrophysiological acquisition clock and MRI acquisition clock to improve gradient artifact removal.
Thoroughly tested at MRI field strengths of up to 7 Tesla.
Flexible amplifier cable and chassis configurations to allow compatibility with a multitude of coil and MRI bore configurations.
Optical USB communications system for simple and reliable digital data transfer to acquisition computers.