Agilent N5181A/82A MXG Signal Generators SCPI Command Reference 131
Analog Modulation Commands
Pulse Modulation Subsystem–Option UNU and UNW([:SOURce])
Pulse Modulation Subsystem–Option UNU and UNW([:SOURce])
:PULM:EXTernal:POLarity
Supported All with Option UNU and UNW
[:SOURce]:PULM:EXTernal:POLarity NORMal|INVerted
[:SOURce]:PULM:EXTernal:POLarity?
This command selects the polarity of the TTL input signal at the TRIG IN rear panel connector. The
signal generator can respond to either a normal (a TTL high) or an inverted (TTL low) signal.
Example
:PULM:EXT:POL NORM
The preceding example selects normal (TTL high) polarity.
*RST Normal
Key Entry Ext Polarity Normal Inverted
:PULM:INTernal[1]:DELay:STEP
Supported All with Option UNU and UNW
[:SOURce]:PULM:INTernal[1]:DELay:STEP <num><time_suffix>
[:SOURce]:PULM:INTernal[1]:DELay:STEP?
This command sets the step increment for the pulse delay.
The step value, set by this command, is used with the UP and DOWN choices in the
“:PULM:INTernal[1]:DELay[1]|2” on page 131 command.
The step value set with this command is not affected by a signal generator power- on, preset, or *RST
command.
Example
:PULM:INT:DEL:STEP 10NS
The preceding example sets the pulse delay step value to 10 nanoseconds.
Range 10nS to (pulse period – 20 nS)
Key Entry Incr Set
:PULM:INTernal[1]:DELay[1]|2
Supported All with Option UNU and UNW
[:SOURce]:PULM:INTernal[1]:DELay[1]|[2] <num><time_suffix>|UP|DOWN
[:SOURce]:PULM:INTernal[1]:DELay[1]|[2]
This command sets the pulse delay for the internally- generated pulse modulation using the variable
<num>[<time_suffix>]. The command, used with the UP|DOWN parameters, will change the delay by a
user- defined step value. Refer to the :PULM:INTernal[1]:DELay:STEP command on page 131 for
setting the value associated with the UP and DOWN choices.
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