Chapter 4
65
Operation
Operating the N5102A Module in Output Mode
Figure 4-12
Data Setup Softkey Menu with Parallel Port Configuration
2.
If a real-time modulation format is being used, press the
Data Type
softkey. (This softkey is inactive when
an ARB modulation format is turned on.)
In this menu, select whether the real-time baseband data from the signal generator is either filtered
(
Samples
) or unfiltered (
Pre-FIR Samples
). The selection is dependent on the test needs. The
Samples
selection provides FIR filtered baseband samples according to the communication standard of the active
modulation format. This is the preset selection and the one most commonly used. However if the device
being tested already incorporates FIR filters, the
Pre-FIR Samples
selection should be used to avoid
double filtering.
3.
Select the data type that is appropriate for the test.
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.
Inactive for a serial port
Frame polarity is active
configuration
for a serial port configuration
Inactive for ARB formats
Inactive for word
size = 16 bits
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