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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.

  • 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.

  • 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.

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.

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

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

2x 1 Gbit Ethernet

Real Time Clock

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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