Agilent Technologies E8247C PSG CW User Manual
Page 148
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138
Chapter 6
Custom Arb Waveform Generator
Working with Modulation Types
4. Press
Return
>
Goto Row
>
0011 0000
>
Enter
; this is row 48.
5. Press the
Delete Row
softkey 16 times.
Repeat this pattern of steps using the following table:
6. Press
Display I/Q Map
to view the new constellation that has been
created. The I/Q State Map in this example has 128 symbols.
7. Press
Return
. When the contents of an
I/Q Values
table have not
been stored,
I/Q Values (UNSTORED)
appears on the display.
8. Press
More (1 of 2)
>
Load/Store
>
Store To File
.
If there is already a file name from the
Catalog of IQ Files
occupying the active entry area, press the following keys:
Editing Keys
>
Clear Text
9. Enter a file name (for example,
128QAM
) using the alpha keys and
the numeric keypad.
10. Press
Enter
.
The user-defined I/Q State Map should now be stored in the
Catalog of IQ Files
.
Goto Row
...
Press the
Delete Row
softkey...
0110 0000 (96)
16 times
1001 0000 (144)
16 times
1100 0000 (192)
16 times
0001 0000 (16)
4 times
0001 0100
(20)
4 times
0001 1000
(24)
8 times
0011 0000
(48)
4 times
0011 0100
(52)
4 times
0011 1000
(56)
4 times
0101 1000
(88)
8 times
0111 0000
(112)
4 times
0111 0100
(116)
4 times
0111 1000
(120)
8 times