5023399 A
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Interface Description
Front Panel
The following is the front panel description of the Digidata 1550 digitizer.
Figure 3-1:
Front panel of the Digidata 1550 digitizer.
There is a single rocker-style
On/Off
switch.
There are two indicator lights:
POWER
and
READY
.
•
When the digitizer is powered on, and the USB cable is
connected to the computer, the green
POWER
light is
continuously on.
•
When the digitizer is recognized by the software and ready for
use, the yellow
READY
light is continuously on.
The front panel connectors are all BNCs.
Analog Inputs
There are eight 16-bit single-ended analog input channels. The BNC
shields for the Analog Inputs are connected to the Analog ground. All of
these channels can be used simultaneously without any reduction in
each channel’s throughput. These input channels are typically used to
digitize biological signals.
Analog Outputs
The front panel has eight 16-bit analog output channels. Each channel
has an operational amplifier to buffer the output signal of the D/A
converter. The eight analog output channels can be simultaneously used
for waveform generation.
