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Real-Time I/Q Baseband Generator User’s and Programming Guide
3-9
ESG Family Signal Generators
Softkey Reference
Options UN8 and 202
Numerics
8PSK
This softkey appears in two different situations, enabling you to either
select a modulation, or load a default I/Q map into the I/Q table editor.
Selecting an 8PSK Modulation
Press this softkey to select 8PSK (8-state phase shift keying) to
modulate a continuous stream of the selected data pattern. 8PSK
modulation transmits data at the rate of bits per symbol. The selected
modulation appears in the
Mod Type
field in the text area of the display,
and under the
Select
and
PSK
softkeys in the Modulation Type menus.
Softkey Locations
Custom:
Mode
>
Custom
>
Modulation Type
>
Select
>
PSK
>
8PSK
Other Formats:
Mode
>
TDMA
>
desired format
>
Modify Standard
>
Modulation Type
>
Select
>
PSK
>
8PSK
Loading an 8PSK I/Q Map into the I/Q Table Editor
Press this softkey to load a 8PSK (8-state phase shift keying) I/Q map
into the I/Q table editor. For details on editing I/Q maps, see “
Symbol Positions with the I/Q Table Editor
Softkey Locations
Custom:
Mode
>
Custom
>
Modulation Type
>
Define User I/Q
>
Load Default I/Q Map
>
PSK
>
8PSK
Other Formats:
Mode
>
TDMA
>
desired format
>
Modify Standard
>
Modulation Type
>
Define User I/Q
>
Load Default I/Q Map
>
PSK
>
8PSK
16 1’s & 16 0’s
Use this softkey to select a binary data pattern that consists of 16 ones
followed by 16 zeroes. This selection is available either as a data
pattern (not framed) or for use with framed data transmissions.
Selecting a 16 1’s & 16 0’s Data Pattern
When you select
16 1’s & 16 0’s
, both the
Data
and the
Other Patterns
softkeys show this selection. In addition,
P16
(where “P” refers to
Pattern and “16” refers to 16 ones and 16 zeroes) is displayed in the
Data
field in the top line of the text area of the display.
Softkey Locations
Custom:
Mode
>
Custom
>
Data
>
Other Patterns
>
16 1’s & 16 0’s
Other Formats:
Mode
>
TDMA
>
desired format
>
Data
>
Other Patterns
>
16 1’s & 16 0’s
Содержание ESG series
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