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Agilent N5161A/62A/81A/82A/83A MXG Signal Generators User’s Guide 201
Preliminary Basic Digital Operation (Option 651/652/654)
Preliminary Using Finite Impulse Response (FIR) Filters in the Dual ARB Real-Time Modulation Filter
Duplicating the First 16 Coefficients Using Mirror Table
In a windowed sinc function filter, the second half of the coefficients are identical to the first half in
reverse order. The signal generator provides a mirror table function that automatically duplicates the
existing coefficient values in the reverse order.
1. Press Mirror Table. The last 16 coefficients (16 through 31) are automatically generated and the
first of these coefficients (number 16) highlights, as shown in Figure 8-19 on page 201.
Figure 8-19
FIR table coefficient
values, may be from the
factory default values or
entered by the user.
Use the Goto Row
menu to move around
and make changes to
the FIR Values
coefficient table.
For details on each key, use key help as described on page 42.