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Chapter 11 235
Peripheral Devices
N5102A Digital Signal Interface Module
Figure 11-20 Data Setup Softkey Menu with Parallel Port Configuration
2. Press the Data Type softkey.
In this menu, select the data type to be either filtered (
Samples) or unfiltered (Pre-FIR Samples). The
selection is dependent on the test needs and the device under test. However if the device being
tested already incorporates FIR filters, the
Pre-FIR Samples selection should be used to avoid double
filtering. Refer to “Data Types” on page 218, for more information.
3. Select the data type that is appropriate for the test needs.
4. Press the
Numeric Format softkey.
From this menu, select how the binary values are represented. Selecting 2’s complement allows
both positive and negative data values. Use the Offset Binary selection when components cannot
process negative values.
5. Select the numeric format required for the test.
Inactive for a serial port
Frame polarity is active
configuration
for a serial port configuration
Only available when the
N5102A digital module is
turned on
Only available when
data type is
Pre-FIR Samples