TRIGGY: Physical-to-Digital Trigger Interface with Oscilloscope

TRIGGY is a sophisticated electronic device that accepts input from various types of sensors, including audio, photocell, manual pressure, microphone, digital port, and response buttons, and produces TTL digital output for each sensor input immediately after sensing a change in its state. The TTL outputs are precisely temporally linked to the physical inputs with minimal delay and jitter, making them suitable for use in triggering or event marking in behavioral and electrophysiological experiments. Triggy has many types of analog input, several modes of TTL digital input, several modes of TTL digital output, and several modes of serial input and output. TRIGGY is designed to be universally compatible with any experimental control software that supports a serial interface, and it is compatible with any physiological recording system that supports serial or TTL triggering.

So Many Signals!

  • Audio, photocell, pressure, microphone, response buttons, and digital port inputs
  • Adjustable thresholds, TTL output durations, channel modes (raw, decoupled, rectified)
  • Save and recall full system presets
  • 8 internally generated TTL signals, 8-bit passthrough
  • TTL outputs transmitted via 16 parallel lines can be interpreted as two bytes or independent bits
  • Built-in eight channel DAQ / oscilloscope + software
  • USB output to experimental control software
  • USB powered

Measure It! Record It!

Bench testing or continuous recording can be accomplished with the built-in eight channel USB oscilloscope.

Perfect Timing

Triggy TTL output signals have very low latency and jitter with respect to the physical events they measure. This is the principal benefit of the device compared to other methods of generating TTL output triggers. Other devices and software for generating TTL triggers that incorporate microprocessors and serial I/O interfaces will result in much greater latency and jitter, making them unsuitable for use in timing critical applications. Triggy utilizes a dedicated timing chip for each input channel to accomplish near-perfect parallel TTL output timing.


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Basic System