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Real-Time I/Q Baseband Generator User’s and Programming Guide
2-31
HP ESG Family Signal Generators
Using Functions
Options UN8 and 202
Creating User-Defined FIR Filters
Modifying the Coefficients
1. The value for coefficient 0 should be highlighted. Use the front panel knob to scroll
down until coefficient 15 is highlighted.
2. Press
0
>
Enter
to change the value of the coefficient to 0.
3. Press
Display FFT
to see the effects of the change:
Notice that the graphic display can provide a useful troubleshooting tool (in this case
indicating a missing coefficient value for a proper Gaussian response).
4. To return to the menu keys, press
Return
.
5. In addition to changing existing values, you can also insert and delete rows of
coefficients and change the oversample ratio. Press
More (2 of 2)
to access these softkeys.
Содержание ESG series
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