GDP-32
II
INSTRUCTION MANUAL
May 2002 Section 17, Page 2
17.1 BOARD FUNCTIONS AND DIAGNOSTICS
The diagnostics routine is a powerful tool for testing and identifying problems on both the
Analog Boards, and Calibrate and Timing Board. The diagnostics software allows the operator
to manipulate all board functions that are controlled by the computer.
To effectively use these routines, an oscilloscope and signal generator may be useful, but often
much can be learned about the system by observing the display results on the LCD.
In order to use the diagnostic routines, it is essential that the block diagrams and the signal flow
path be understood.
Figure 17.1 - Period and duty cycle control waveform
Duty cycle
Period
Time DomainFrequency Domain
Transmitter
out
off
on
off
on
+
_
+
_
+
_
+
_
OUTPUT SIGNALS
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