Apollo II

high-performance data acquisition (DAQ) system for animal neurophysiology experiments using up to 64 microelectrodes


Apollo II is an affordable, high-performance data acquisition (DAQ) system for animal neurophysiology experiments using up to 64 microelectrodes.  It's intuitive software and plug & play hardware provide scientists and engineers with a sophisticated yet easy-to-use neural DAQ system.  The Apollo digital signal process and software acquires, processes, and analyzes physiological signals (e.g. spikes, local field potentials) together with experiment event from third-party equipment including behavior, stimulation, and video systems.  Miniature front-end analog and digital microelectronics (headstage) provide a noise-immune link to in vivo, extracellular microelectrodes.  Stereo audio output allows for real-time monitoring of neural signals using headphones or speakers.  A battery-power mode eliminates inadvertent ground loops to ensure high signal-to-noise recordings even in the most demanding electrical and magnetic noise environments.
32ch with Quarter size comparison


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  • Compact and portable design.
  • Rack mountable.
  • 64 electrode channels for recording.
  • User-defined, per-channel digital filters.
  • 16 digital inputs (TTL or 16-bit strobed word).
  • 4 analog inputs.
  • Stereo audio output.
  • Battery-powered option (line-noise immunity).
  • Commutator option for freely-moving animal studies.

Example Applications

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  • Advanced Neuroscience experiments.
  • Drug studies.


Item Description
Headstage recording channels 64 (+/- 5 mV, 16 bits, 30 kHz)
Headstage ports 1 (aviation connector)
Analog inputs 4 (+/- 5 V, 24 bits, 16 kHz, BNC)
Digital inputs 16 TTL (D-Sub)
Audio outputs Stereo line level (3.5 mm jack)
Audio output filter Software-selectable DC or 300 Hz high pass
PC interface USB 2.0 (laptop), Optical (desktop)
Power supply Switchable 5 VDC or 110-240 VAC
Size (L x W x H) 400 mm x 240 mm x 44 mm



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