MDO3000 Programmer Manual.pdf - 第516页

Commands Listed in A lphabetical Order Conditions This command re quires a DPO4PWR application m odule for 4000 series models, or an MDO3PWR application module for MDO3000 series models. Group Power Syntax POWer:HARMoni …

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Commands Listed in Alphabetical Order
Syntax
POWer:HARMoni
cs:RESults:SAVe <String>
POWer:HARMonics:RESults:THDF? (Query Only)
Returns the Total Harmonic Distortion (THD) in percentage, measured as a ratio
to the RMS value of the fundamental component of the source waveform.
Conditions
This command requires a DPO4PWR application module for 4000 series models,
or an MDO3PWR application module for MDO3000 series models.
Group
Power
Syntax
POWer:HARMonics:RESults:THDF?
Examples
POWER:HARMONICS:RESULTS:THDF? might return
:POWER:HARMONICS:RESULTS:THDF 40 indicating that the THDF is set to 40.
POWer:HARMonics:RESults:THDR? (Query Only)
Returns the Total Harmonic Distortion (THD) in percentage, measured as a ratio
to the RMS value of the source waveform.
Conditions
This command requires a DPO4PWR application module for 4000 series models,
or an MDO3PWR application module for MDO3000 series models.
Group
Power
Syntax
POWer:HARMonics:RESults:THDR?
Examples
POWER:HARMONICS:RESULTS:THDR? might return
:POWER:HARMONICS:RESULTS:THDR 40 indicating that the THDR is set to 40.
POWer:HARMonics:SOURce
This command specifies the source waveform for harmonics tests. The voltage
source w
aveform is specified using the POWer:VOLTAGESOurce command and
the current waveform is specified using the POWer:CURRENTSOurce command.
MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual 2-485
Commands Listed in Alphabetical Order
Conditions
This command re
quires a DPO4PWR application module for 4000 series models,
or an MDO3PWR application module for MDO3000 series models.
Group
Power
Syntax
POWer:HARMonics:SOURce {VOLTage|CURRent}
POWer:HARMonics:SOURce?
Arguments
VOLTage specifies voltage source waveform for harmonic tests.
CURRent specifies current source waveform for harmonic tests.
Examples
POWER:HARMONICS:SOURCE VOLTage sets voltage source for harmonic tests.
POWER:HARMONICS:SOURCE? might return :POWer:HARMonics:SOURCE
CURRENT
indicating that the harmonic source is set to current.
POWer:HARMonics:STANDard
This command specifies the standard for harmonics tests.
Conditions
This command requires a DPO4PWR application module for 4000 series models,
or an MDO3PWR application module for MDO3000 series models.
Group
Power
Syntax
POWer:HARMonics:STANDard {NONe|IEC|MIL}
POWer:HARMonics:STANDard?
Arguments
NONe sets no standard for harmonic tests.
IEC sets IEC 610003-2 standard for harmonic tests.
MIL sets MIL1399 standard for harmonic tests.
Examples
POWER:HARMONICS:STANDARD IEC sets IEC standard for harmonic tests.
POWER:HARMONICS:STANDARD? might return :POWer:HARMonic s:STANDard
NONe
indicating that no standard is set.
2-486 MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual
Commands Listed in Alphabetical Order
POWer:INDICa
tors
This command specifies the state of the measurement indicators for the power
application.
Conditions
This command requires a DPO4PWR application module for 4000 series models,
or an MDO3PWR application module for
MDO3000 series models.
Group
Power
Syntax
POWer:INDICators {OFF|ON|0|1}
POWer:INDICators?
Arguments
OFF or 0 turns off the measurement indicators.
ON or 1 turns on the measurement indicators.
Examples
POWER:INDICATORS 1 turns on the indicator.
POWER:INDICATORS? might return : POWER:INDICators 0 indicating that
the indicator is off.
POWer:MODulation:SOUrce
This command specifies the source waveform for modulation tests. The voltage
source waveform is specified using the POWer:VOLTAGESOurce command and
the current waveform is specified using the POWer:CURRENTSOurce command.
Conditions
This command requires a DPO4PWR application module for 4000 series models,
or an MDO3PWR application module for MDO3000 series models.
Group
Power
Syntax
POWer:MODulation:SOUrce {VOLTage|CURRent}
POWer:MODulation:SOUrce?
Arguments
VOLTage specifies voltage source waveform for modulation tests.
CURRent specifies current source waveform for modulation tests.
MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual 2-487