Commands Listed in Alphabetical Order
Examples
POWER:MODULAT
ION:SOURCE CURRent
sets the modulation source to Current.
POWER:MODULATION:SOURCE? might return :POWER:MODULATION:SOURCE
VOLT
indicating that the modulation source is set to Voltage.
POWer:MODulation:TYPe
This command specifies the modulation type.
Conditions
This command requires a DP
O4PWR application module for 4000 series models,
or an MDO3PWR application module for MDO3000 series models.
Group
Power
Syntax
POWer:MODulation:TYPe
{PWIdth|NWIdth|PERIod|PDUty|NDUty|FREQ uency}
POWer:MODulation:TYPe?
Arguments
PWIdth (positive width) is the distance (time) between the middle reference
(default = 50%) amplitude points of a p
ositive pulse. The measurement is made
on all the cycles in the waveform or gated region.
NWIdth (negative width) measurement is the distance (time) between the middle
reference (default = 50%) amplitude points of a negative pulse. The measurement
is made on all the cycles in the waveform or gated region.
PERIod is the time required to complete the first cycle in a waveform or the
gated region. The time is measured between the mid reference (default being
50%) amplitude points of the waveform.
PDUty (positive duty cycle) is the ratio of the positive pulse width to the signal
period, expressed as a percentage. It is measured on all the cycles in the waveform
or gated region.
Positive Duty Cycle = ((Positive Width)/Period) × 100%
NDUty (negative duty cycle) is the ratio of the negative pulse width to the signal
period, expressed as a percentage. The duty cycle is measured on all the cycles in
the waveform or gated region.
Negative Duty Cycle = ((Negative Width) / Period) × 100%
FREQuency measures all the cycles in the waveform or gated region. Frequency
is the reciprocal of the period and is measured in hertz (Hz), where 1 Hz = 1
cycle per second.
Frequency = 1 / Period
2-488 MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual
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