MDO3000 Programmer Manual.pdf - 第607页

Commands Listed in Alphabetical Order Conditions MDO4000/B/C mo dels only . Group RF Syntax RF:RF_FREQuen cy:VERTical:POSi tion <NR3> RF:RF_FREQuen cy:VERTical:POSi tion? Related Commands RF:RF_FREQuency:VER T ical…

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Commands Listed in Alphabetical Order
Group
RF
Syntax
RF:RF_AVErage:NUMAVg <NR1>
RF:RF_AVErage:NUMAVg?
Related Commands
RF:RF_AVErage:COUNt?
Arguments
<NR1> is an integer.
Examples
RF:RF_AVErage:NUMAVg 100 sets the number of acquisitions to be used for the
RF average trace to 128 (the closest power of 2 increment).
RF:RF_AVErage:NUMAVg? might return 16, indicating that the number of
averages for the RF average trace has been set to 16.
RF:RF_FREQuency:LABel
This command specifies the label for the RF Frequency vs. Time trace.
Conditions
MDO4000/B/C models only.
Group
RF
Syntax
RF:RF_FREQuency:LABel <QString>
RF:RF_FREQuency:LABel?
Related Commands
RF:RF_AMPlitude:LABel, RF:RF_PHASe:LABel, RF:LABel
Arguments
<QString> is a quoted string of up to 32 characters.
RF:RF_FREQuency:VERTical:POSition
This command specifies the vertical position for the RF Frequency vs. Time trace.
The position value determines the vertical graticule location at which thetrace
is displayed. Increasing the position value of a waveform causes the waveform
to move up. Decreasing the position value causes the waveform to move down.
The minimum is -50 divisions and the maximum is 50 divisions with a resolution
of 0.02 divisions.
2-576 MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual
Commands Listed in Alphabetical Order
Conditions
MDO4000/B/C mo
dels only.
Group
RF
Syntax
RF:RF_FREQuency:VERTical:POSition <NR3>
RF:RF_FREQuency:VERTical:POSition?
Related Commands
RF:RF_FREQuency:VERTical:SCAle
Arguments
<NR3> is a floating point number.
Examples
RF:RF_FREQuency:VERTical:POSition —1 sets the vertical position of the
RF Frequency vs. Time trace to –1 division.
RF:RF_FREQuency:VERTical:POSition? might return 0.0E+0, indicating a
vertical position of 0.
RF:RF_FREQuency:VERTical:SCAle
This command specifies the vertical scale for the RF Frequency vs. Time tr
ace.
For a signal with constant amplitude, increasing the scale causes the waveform to
be displayed smaller. Decreasing the scale causes the waveform to be displayed
larger.
Conditions
MDO4000/B/C models only.
Group
RF
Syntax
RF:RF_FREQuency:VERTical:SCAle <NR3>
RF:RF_FREQuency:VERTical:SCAle?
Related Commands
RF:RF_FREQuency:VERTical:POSition
Arguments
<NR3> is a floating point number that specifies the vertical scale.
Examples
RF:RF_FREQuency:VERTical:SCAle 1.0000E+6 sets the vertical scale to
1 MHz/division.
MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual 2-577
Commands Listed in Alphabetical Order
RF:RF_FREQuen
cy:VERTical:SCAle?
might return 1.0000E+6, indicating
that the vertical scale has been set to 1 MHz/division.
RF:RF_PHASe:LABel
This command specifies the label for the RF Phase vs. Time trace.
Conditions
MDO4000/B/C models only.
Group
RF
Syntax
RF:RF_PHASe:LABel <QString>
RF:RF_PHASe:LABel?
Related Commands
RF:RF_AMPlitude:LABel, RF:RF_FREQuency:LABel, RF:LABel
Arguments
<QString> is a quoted string of up to 32 characters.
RF:RF_PHASe:REFERence:DEGrees
This command sets or returns the phase, in degrees, at the trigger point for the
RF_PHASe time domain trace. The value can range from –180 to +180 degrees.
The default is 0.0 degrees and the resolution is 1.0 degrees.
Conditions
MDO3000, MDO4000/B, or MDO4000C models with option SA3 or SA6 only.
Group
RF
Syntax
RF:RF_PHASe:REFERence:DEGre
es?
RF:RF_PHASe:REFERence:DEGrees <NR3>
RF:RF_PHASe:VERTical:POSition
This command specifies the vertical position for RF Phase vs. Time trace. The
position value determines the vertical graticule location at which the trace is
displayed. Increasing the position value of a waveform causes the waveformto
move up. Decreasing the position value causes the waveform to move down. The
minimum is -50 divisions and the maximum is 50 divisions with a resolution
of 0.02 divisions.
2-578 MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual