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Real-Time I/Q Baseband Generator User’s and Programming Guide
3-151
ESG Family Signal Generators
Softkey Reference
Options UN8 and 202
S
Secondary Frame Trigger
Pressing this softkey displays a menu of choices for triggering the use of
either the primary frame or the secondary frame (whichever is not
being currently used). You can choose to trigger using the front panel
Trigger
key, an external trigger supplied to the PATTERN TRIG IN
connector, or by either a *TRG command or GET (group execute trigger)
signal sent over GPIB.
Default Value: Ext
Softkey Location:
Mode
>
TDMA
>
desired format
>
Data Format Pattern Framed
>
Configure Timeslots
>
Configure Frame
>
Secondary Frame Trigger
Select
There are two softkeys named Select, one in the Filter menu and one in
the Modulation type menu. In the Filter menu, you can select a
pre-modulation filter type; in the Modulation type menu, you can select
a modulation.
Selecting a Filter
In the Filter menu, press this softkey to access a menu for selecting the
pre-modulation filter type. The pre-defined choices are Root Nyquist,
Nyquist, Gaussian, several IS-95 filters, User FIR, Rectangle, EDGE
(EDGE modulation type only), APCO 25 C4FM, and UN3/4 GSM
Gaussian. In addition to the pre-defined filters, you can access the
catalog of files stored in the signal generator memory. You can select
any filter that you have either created externally and downloaded into
memory, or that you have created internally in the Define User FIR
menu and then subsequently stored.
Default Values
EDGE: EDGE
Custom, NADC, PHS, PDC, TETRA: Root Nyquist
DECT, GSM: Gaussian
Softkey Locations
Custom:
Mode
>
Custom
>
Filter
>
Select
Other Formats:
Mode
>
TDMA
>
desired format
>
Modify Standard
>
Filter
>
Select
Содержание ESG series
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