R&S AFQ100A Operating Manual page 303

R&S AFQ100A
[SOURce:]CLOCk:SOURce INTernal | EXTernal
The command selects the memory clock source (internal or external).
Internal
Parameter:
External
Reference Clock Oscillator Subsystem - Outline
This subsystem contains the commands for setting the external and internal reference frequency.
Note:
The commands of the SOURce:ROSCillator Subsystem are not affected by an instrument reset
(*RST).
Command
[:SOURce:]ROSCillator:DELay
[SOURce:]ROSCillator:EXTernal:SBAN
dwidth
[SOURce:]ROSCillator:SOURce
[SOURce:]ROSCillator:SYNC:MODE
[SOURce:]ROSCillator:DELay 0...5 ns
The command sets a time shift (delay) to the reference clock signal for adjusting the clocks in the
slaves.
Note:
The synchronization of several connected R&S AFQ I/Q Modulation Generators requires the
Baseboard Revision 8 or higher. Up to baseboard Revision 5 only synchronization mode normal
is provided (stand-alone mode).
Example: ROSC:DEL 2.5
*RST value
0
1401.3084.32
The internal clock reference is used to generate the sample clock.
The external clock reference is fed in as the sample clock via the CLOCK IN
connector.
Parameters
0 ... 5 ns
WIDE | NARRow
INTernal | EXTernal
LAST | MASTer | SLAVe | NORMal
'sets a delay of 2.5 ns to the reference clock signal.
Resolution Options
0.001
AFQ Commands - Signal Generation
6.42
Default Remark
unit
s
-
-
NORMa
l
SCPI
Device-specific
E-3