RHS Stim/Recording Controller

The Intan RHS stimulation/recording system with USB interface and open-source software allows users to stimulate and record up to 128 signals from multiple RHS headstages. The minimum required components for a functional Intan RHS system are: a Intan stim/recording controller, a Intan Stim SPI interface cable, and an Intan RHS headstage.

Note: The Intan RHS stim/recording system cannot use Intan RHD recording headstages or Intan RHD interface cables. The intan RHD and RHS systems are not compatible. Intan RHS headstages do not work with the Open Ephys system.

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RHS 128 Channel Stim/Recording Controller

The Intan RHS stim/recording controller (Part #M4200) allows users to record electrophysiology signals and perform electrical stimulation across 128 channels using small, affordable hardware and free, open-source software. This device connects to a host computer via a USB 2.0 cable. Small 16- or 32-channel RHS headstages connect to the stim/recording controller via thin, flexible all-digital Stim SPI cables.

Features

  • Supports all Intan RHS headstages with sampling rates of 20, 25, or 30 kS/s.
  • All headstage channels can independently produce stimulation currents from ±10 nA to ±2.5 mA with ±7V compliance.
  • Biphasic or triphasic stimulation pulses are generated with timing resolution as fine as 33 μs.
  • Stimulation pulses are pre-configured in software and triggered by keypresses or digital inputs.
  • Independent ground isolation on each headstage port to reduce noise from ground loops.
  • Software supports in situ electrode impedance measurement.
  • Two analog input ports and two analog output ports with ±10V range.
  • Two digital input ports and two digital output ports.
  • Analog and digital inputs are recorded in sync with amplifier waveforms; may be used to trigger stimulation pulses or to control automated episodic recording sessions.
  • Optional I/O expander increases the number of auxiliary ports to 8 analog in, 8 analog out, 16 digital in, and 16 digital out.
  • May be mounted in standard 19″ rack (1U) or operated from a bench top.
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