Rohde & Schwarz R&S SMW-K116 DVB-S2/S2X, User Manual

Page: 53 / 106

Signal generation control
R&S
®
SMW-K52/-K116
53 User Manual 1175.6778.02 ─ 19
This section focuses on the available settings.
For information on how these settings affect the signal, refer to section "Basics on ..."
in the R&S
SMW user manual.
Defining the clock
The provided clock signals are not dedicated to a particular connector. They can be
mapped to one or more USER x and T/M/C connectors.
Use the
Local and global connectors settings to configure the signal mapping, the
polarity, the trigger threshold, and the input impedance of the input connectors.
To route and enable a trigger signal, perform the following
general steps :
●
Define the signal source, that is select the "Clock > Source".
●
Define the connector where the selected signal is provided.
Use the
Local and global connectors settings .
Settings:
Clock Source .................................................................................................................53
Clock Mode ................................................................................................................... 53
Measured External Clock .............................................................................................. 53
Clock Source
Selects the clock source.
●
"Internal"
The instrument uses its internal clock reference.
●
"External Local Clock"
Option: R&S
SMW-B10
The instrument expects an external clock reference at the local T/M/C connector.
"External Local Clock" requires R&S SMW-B10.
Remote command:
[:SOURce<hw>]:BB:DVB:CLOCk:SOURce
on page 72
Clock Mode
Option: R&S SMW-B10
Sets the type of externally supplied clock.
Remote command:
[:SOURce<hw>]:BB:DVB:CLOCk:MODE
on page 71
Measured External Clock
Provided for permanent monitoring of the enabled and externally supplied clock signal.
Remote command:
CLOCk:INPut:FREQuency?
Clock settings