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Diagnostic Board
Product description
The Diagnostic Board provides the user with several tools to analyze the current consumption of
their device and current generated from the rectified output of the AC Power Cell. It contains a
low power Current Sense Circuit based on a Texas Instruments INA326 Instrumentation Amplifier
that enables measurement of current with low noise levels. Gain configuration jumpers allow the
user to view different current draw ranges via an external oscilloscope (not provided).
The Diagnostic Board requires a power source to for the INA326. An external AC/DC adapter is
provided, but a 9V battery can also be used when operating in remote locations. In addition to
the Current Sense Circuit, the Diagnostic Board contains a Blinking LED Test Circuit that can be
used as a direct load for the rectified output of the AC Power Cell, or indirectly as a load for the
Current Sense Circuit.
Figure 8: Diagnostic Board
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