User guide

Remote GPIB Interface
62
Serial BERT 12.5 Gb/s User Guide
Command
:SOURce:ROSCillator:SOURce {INTernal | EXTernal}
Type
Command
Description
Selects the low-frequency clock to be used. INTernal selects and powers the
internally-generated clock, EXTernal selects the external clock connected to Ext
CKI, and powers down the internal clock.
Parameters
{INTernal | EXTernal}
Example
OUTPUT 725; ":SOUR:ROSC:SOUR INT"
OUTPUT 725; ":SOUR:ROSC:SOUR?"
ENTER 725; value$
PRINT value$ ! should be “INT”
Command
:SOURce:ROSCillator:[INTernal]:FREQuency?
Type
Query
Description
Returns the current value of the programmable high-frequency clock, in MHz.
Results
{9850 <= value <= 11350} (if INT clock selected)
{500 to 12500} (if EXT clock selected)
Example
See below