alphaRS

alphaRS

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alphaRS
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Key Features

Details

The alphaRS data acquisition system is a complete platform for conducting multichannel electrophysiology experiments. The system is modular and scalable with options to add on extra features and channels.

alphaRS front and back view

    • Expandability
    • Digitized Headstages. Ultra-small and lightweight headstage suitable for all types of setups and subjects
    • Plug and play system. Suitable to be used with a variety of headstages ie. Intan, Neuronexus, OpenEphys, and more
    • Online statistics. Spike raster, firing rate, PSTH and evoked potential
    • Integrated Recording and Stimulation in one system. Using one software to control all channel’s modes and enabling closed-loop actions with short latency timing
    • Advanced stimulation capabilities. Allowing a variety of stimulation options, patterns, and amplitudes, allowing manual or automatic control over all channel’s modes
    • Online Recording and Stimulation algorithm. An adaptive algorithm for fast recovery from stimulation artifact, the artifact deducted during stimulation enables online spike segmentation and sorting
    • Simultaneous data streaming of Raw, Spike & LFP
    • Real-time closed loop. DSP programming allowing fast response for closed-loop (>1ms)
    • Powerful DSPs. State-of-the-art Octa-core DSPs
    • SDK tool. Two-way communication using MATLAB or C++ for streaming all data and controlling system functionality
    • Optogenetics. Built-in GUI for controlling various optogenetics systems

alphaRS diagram

 

Headstages

We offer a variety of digitizing Headstages with ultra-small size and weight suitable for a wide range of subjects and setups.
Out headstages can record all types of signals, and have integrated stimulation sources and sensors

  • alphaRS System can support up to 8 headstages
  • Supporting all types of brain signals: MER / EEG / EMG / ECOG / AKG
  • Various headstage configurations:

16 channel headstages with 18pin Omnetics connector
32 channel headstages with 36pin Omnetics connector
64 channel headstages with 2x 36pimn Omnetics connector

  • Integrated stimulation
  • Low noise 2.4µV RMS
  • integrated 3-axis accelerometer sensor
  • />Built-in impedance check
  • Flexible cable length
  • alphaRs headstages table
Technical Specs

Features

Specifications and Options

Filtering

4 Selectable software digital filtering per channel (0.02Hz to 10KHz)

Referencing

Digital selected channel referencing

Spike sorting

Up to 4 spike templates per channel using 8-point template matching, an SSQ algorithm, and optional window discriminators

Compatibility

MATLAB, C++, NeuroExplorer® online link

Audio

2 stereo outputs

General purpose digital outputs

8 outputs single-bit digital outputs, Synchronization TTL output

General purpose analog outputs

4 outputs ± 5.0 V, 16-bit analog outputs

General purpose digital Inputs

4 digital input channels (TTLs) , 16-bit digital input port

General purpose analog Input

4 differential analog input channels with 16 bit-resolution and dynamic range of ±5V

PC interface

1 Gbit Ethernet

Power supply

4-pin DC power connector (100-240 VAC, 50-60 Hz)

HeadStage connectivity

Up to 8 HeadStages with micro HDMI connector

LED Indicators

Indicating general system’s state

System size

26*18*5 cm

Software Toolkit
  • Complete MATLAB Control & Data Access
  • Data streaming. All data collected by the AlphaRS can be accessed online in MATLAB.
  • Full system control. From within MATLAB, commands can be sent to adjust almost all system parameters or trigger unique stimulation paradigms.
  • Closed-loop functionality. Data can be analyzed online, and results can directly trigger digital outputs or stimulation
  • Easy programming. Specially designed MATLAB toolbox and instructions make accessing data in MATLAB simple and easy.
  • Endless possibilities. Online access to data means each user can code paradigms specifically for their unique needs.
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