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Kāhu, our new Multi-Channel MRI Console

4 receive channel and 16 receive channel models, now available! 

Kāhu, our new Multi-Channel MRI Console

A preview of our new MRI console now with Multi Channel support, coming soon...

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4 Channel Model

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16 Channel Model

Peripheral Hardware

Build your own research system with the new plug-and-play driver modules for our Kāhu Multi-Channel MRI Console.

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RF Amplifier Module

This module enables you to connect a Transmit/Receive MR probe to Kāhu, amplifying the transmitted and received signals.

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  • 50 W RF power amplifier for transmit

  • 30 to 75 dB programmable gain preamplifier for receive

  • Active Transmit/Receive switch with swappable quarter-wave line

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Shim Amplifier

This module allows you to drive up to 8 shim coils with current controlled output of up to 1 Amp.

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  • 8 Channel Shim Amplifier

  • Dual Heater Driver

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Gradient Amplifier

The Gradient Amplifier module can be used with Kāhu to drive a single gradient coil with a controlled-current output of up to 10 A.

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Request a Quotation

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Kāhu Read the Docs

View our online documentation for more details on Kāhu and the peripheral modules.

Kāhu Brochure

Download our online Kāhu brochure.

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Python API

Learn more about the Python API used to control the Kāhu MR Console.

Kāhu Technical Specifications

Contact us for updated specifications and a quotation.

Frequency Range

100kHz-120MHz

Transmit

2x 16-bit DAC’s @ 500MSPS

Receive

Two Options:

4 x 16-bit ADC’s @ 100 MSPS

16 x 16-bit ADC’s @ 100 MSPS

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Digital Recieve Processor

FPGA based, 32-bit quadrature

Main Processor

Quad-core ARM Cortex-A53

Real Time Pulse Sequencer

500 MHz Dual-core Arm

Operating System

Linux

Memory

4 GB 64-bit DDR4

Ethernet

Gbit Ethernet

Real Time Clock

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Embedded Platform

RF

Fast Digital IO

16 channels pulse program controlled

Slow Digital IO

16 channels API controlled

Gradient Controllers

4x 16-bit 100 kSPS

Shim Controllers

16x 16-bit 50 kSPS

Temperature Sensor

2x 24-bit PT100 Inputs

Optical Transceiver 

SFP+

Interface

JupyterLab Environment with GUI Experiments and Python Notebooks

Python Notebooks

Customize experiment methods, data processing, & visualization

Pulse Programs

Python-based pulse sequence programming

API

Run experiments & acquire data programmatically

Power Supply

24V DC Input, 80W

Dimensions/weight

300 x 200 x 60 mm / 2.8 Kg

Software/General
I/O

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