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Chapter 1: Introduction
The Digidata® 1550B digitizer is a high-resolution, low-noise digitizer plus HumSilencer™
Adaptive Noise Cancellation System intended for electrophysiology experiments. It is
particularly designed to send and receive signals from microelectrode amplifiers and to
interact with peripheral instruments such as solution changers and stimulators.
The Digidata 1550B digitizer has eight independent analog input channels at up to 500 kHz
each, and has eight independent 16-bit analog outputs for arbitrary waveform generation.
There are eight digital output lines, as well as a dedicated SCOPE digital output and TAG and
START digital inputs. There are three models of the Digidata 1550B digitizer, one of which
excludes the HumSilencer Adaptive Noise Cancellation System. The other two models of the
Digidata 1550B digitizer with adaptive noise cancellation (ANC) provide configuration through
Analog Input Channels #0, or Analog Input Channels #0, #2, #4 and #6 to eliminate 50 Hz or 60
Hz line-frequency noise and associated high-frequency harmonics. The Digidata 1550B
digitizer communicates with the host computer using USB 2.0.
The Digidata 1550B digitizer is a plug‐and‐play device, so it is automatically recognized by
Windows. The Digidata 1550B digitizer is supported on Windows systems by AxoScope
software Version 11 or newer and by pCLAMP Clampex software Version 11. AxoScope
software is an easy‐to‐use, full‐featured data acquisition program for Windows that is included
with the Digidata 1550B digitizer.
The Digidata 1550B digitizer is contained within a rack-mount case, and has
non-marking-elastomeric feet for use on a desktop.
Included Components
Digidata 1550B digitizer
Power cord
USB 2.0 cable
USB software license key dongles
Software download instructions
Printed Quick Start Guide
Recommended Computer System
PC with a 2 GHz CPU (or faster)
Windows 10 (64-bit)
(Windows 7 (32-bit and 64-bit) is supported.)
4 GB RAM (or more)
2 GB hard disk (or more)
1680 x 1050 (or higher) display system
3 USB 2 ports
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