Agilent Technologies E4428C, User Manual

Page: 274 / 700

250 Chapter 7
Digital Signal Interface Module
Operating the N5102A Module in Input Mode
Figure 7-20 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 232 , 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 and using input mode
Only available when
data type is
Pre-FIR Samples