
Keysight M8070A Programming Guide
261
SCPI Command Reference
5
Description
This command select the external clock recovery to be used when using
the clock source ‘ECRecovery’
This query returns the present state.
This SCPI is applicable for M8046A.
Example
:CLOCK:CREC:SEL"M2.DataIn","DCA1.Slot1"
:CLOCk:FREQuency [?]
Syntax
CLOCk:FREQuency ‘Identifier', <NRf>
CLOCk:FREQuency? ‘Identifier'
Input
Parameters
‘identifier’: 'M*.DataOut' or 'M*.DataIn'
Return Range
NRf
Description
This command sets the clock frequency applied to the output channel.
This query returns the present state.
This SCPI is applicable for M8061A, M8062A and M8046A.
Example
:CLOCK:FREQ 'M3.DataOut', 8.0e9
:CLOCk:FREQuency:MULTiplier[?]
Syntax
:CLOCk:FREQuency:MULTiplier ‘Identifier’, <NRf>
:CLOCk:FREQuency:MULTiplier? ‘Identifier’
Input
Parameters
‘identifier’: 'M*.DataIn'
Return Range
NRf
Description
This command sets the frequency multiplier that is applied to the
externally provided clock in order to achieve the desired symbol rate.
Symbol Rate = Multiplier x Clock Frequency
This query returns the present setting.
This SCPI is applicable for M8046A.
Example
:CLOCK:FREQ:MULT ‘M2.DataIn’,2