Technical data

DIGital Commands SCPI Commands Reference
Agilent 81133A/81134A Pulse Generator Programming Guide, March 2007 31
:DIGital[1|2][:STIMulus]:PATTern:LENGth
Syntax :DIG[1|2][:STIM]:PATT:LENG[?]
Form Set & Query
Description Defines the length of the data pattern. If the current pattern is
longer than the new value for :LENGth, the pattern is truncated. If
the current pattern is shorter than the new value for :LENGth, the
pattern is lengthened and the new bits are set to ’0’.
Parameter Numeric
Valid values are:
32 … 8192 in steps of 32.
*RST value 32
Example Define a data pattern length of 64 bits.
:DIG:PATT:LENG 64
:DIGital[1|2][:STIMulus]:SIGNal:FORMat
Syntax :DIG[1|2][:STIM]:SIGN:FORM[?]
Form Set & Query
Description This command is used to program the signal format for data and
PRBS signals:
Parameter RZ|NRZ|R1
•RZ
Return to Zero. A pulse of 50% duty cycle is generated for each
1.
•NRZ
Non- Return to Zero. A pulse of 100% duty cycle is generated for
each 1.
•R1
Return to One. A pulse of 100% duty cycle is generated for each
0.
*RST value NRZ