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Real-Time I/Q Baseband Generator User’s and Programming Guide
Softkey Reference
ESG Family Signal Generators
S
Options UN8 and 202
Selecting a Modulation
In the Modulation Type menu, press this softkey to accesses a menu for
defining the modulation types. In addition to the pre-defined
modulations, you can access a catalog of FSK or I/Q files stored in the
signal generator memory, where you can select a modulation that you
have created and stored in either the Define User FSK or Define User
I/Q menu.
Default Values
Custom, NADC, PDC, PHS, and TETRA:
π
/4 DQPSK
DECT: 2-Lvl FSK
EDGE: EDGE
GSM: MSK
Softkey Locations
Custom:
Mode
>
Custom
>
Modulation Type
>
Select
Other Formats:
Mode
>
TDMA
>
desired format
>
Modify Standard
>
Modulation Type
>
Select
Select File
Press this softkey to select a file in the displayed catalog of binary files.
To make your selection, scroll through the list using the front panel
knob or up and down arrow keys until the desired file is highlighted;
then press
Select File
. If you select a custom file as a data pattern for
modulated transmissions,
UserFile
appears in the
Data
field of the
text display. If you select a custom file as the modulation type, UserFile
appears in the
Mod Type
field of the text display.
Select File
is located in each of the catalogs of files.
Sine
Pressing this softkey to specify sine for the timeslot burst shape. Sine,
as it is modified by the default burst rise and fall values, is the default
burst shape.
Softkey Location:
Mode
>
TDMA
>
EDGE (Rev 8.3.0 Release 1999)
>
Modify Standard
>
Burst Shape
>
Burst Shape Type
>
Sine
Single Shot
Press this softkey to select Single Shot External Frame Trigger mode.
In Single Shot External Frame Trigger mode, the pattern waits at the
last bit until triggered. If the pattern is playing and a trigger signal is
received before the last bit of the pattern has been played, the trigger
signal is ignored. If triggered after end of pattern, the pattern resets
and runs.
Softkey Location:
Mode
>
TDMA
>
desired format
>
Data Format Pattern Framed
>
Frame Repeat Single Cont
>
Frame Trigger
>
Ext
>
Single Shot
Содержание ESG series
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