Racal Instruments 3155, User Manual

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User Manual 3155
Programming Reference 4-38
SWEep:[STATe]{OFF|ON}
Purpose
This command turns the sweep function on or off.
•
ON turns the sweep function on.
•
OFF turns the sweep function off.
Parameter Type
Boolean
SWEep?
Response and Default
The 3155 returns 1 if sweep is on, or 0 if sweep is off. Default is 0.
SWEep:TRIGger:SLOPe?
Response and default
The 3155 returns POS, or NEG depending on its present setting. Default is POS.
SWEep:MARKer<mark_sclk>
Purpose
This command sets the marker sample clock frequency for the sweep mode.
Parameter type
Numeric
Parameter range
<mark_sclk> 100e-3 to 100e6 in units of samples per second
SWEep:MARKer?
Response and default
The 3155 returns the present sweep sample clock frequency value. The returned value is in standard scien-
tific format (for example: 1KHz would be returned as 1E3 – positive numbers are unsigned). Default value is
64e6.
VOLTage{<ampl>|MINimum|MAXimum}
Purpose
This command programs the peak-to-peak amplitude of the output waveform. The amplitude is calibrated
when the source impedance is 50
Ω
.
•
<ampl> sets the amplitude
•
<MINimum> sets the amplitude to its lowest value
•
<MAXimum> sets the amplitude to its highest value
Parameter type
Numeric
Parameter range
<ampl> 10e-3 to 8 in units of Volts
<MINimum> 10e-3 in units of Volts
<MAXimum> 8 in units of Volts
VOLTage?
Response to query version