Operating Your Instrument
Application Presets
Pulse Trace: Shows the trace of the selected pulse and a readout of the selected measurement from
the pulse table.
Pulse Measurement Table: This shows a full report for the user-selected pulse measurements.
You can make a selected pulse and measurement appear in the Pulse Trace display by highlighting it in the
Pulse Measurement Table. Key pulse-related parameters that are set by the Pulse Analysis application
preset are:
Measurement Filter: No Filter.
Measurement Bandwidth: This is set to the maximum real-time bandwidth of the instrument
(40 MHz in a base instrument or 110 MHz with instruments with Option 110). Note: The label
on the “Measurement Bandwidth” setting is just “Bandwidth”. Like the main instrument Preset
command and the other application presets, the Pulse Analysis application preset also sets most other
instrument controls to default values.
Analysis Period: This is set to 2 ms to ensure a good probability of catching several pulses for
typical signals.
To use the Pulse Analysis preset:
1.
Select
File
>
Application Presets
>
Pulse Analysis
. Click
OK
.
2.
Set the Center Frequency control to the carrier frequency of your pulsed signal.
3.
Set the Reference Level to place the peak of the pulse signal approximately 0-10 dB down from
the top of the Time Overview display.
You may need to trigger on the signal to get a more stable display. This is set up in the Trigger control
panel. (“Trig” button). Using the Power trigger type with the RF Input source works well for many
pulsed signals.
4.
Set the Analysis Period to cover the number of pulses in your signal that you want to analyze. To do
this, click in the data entry
fi
eld of the Time Overview window and set the analysis length as needed.
Spectrum Analysis
The Spectrum Analysis application preset opens a Spectrum display and sets several parameters. There are
two presets are available for spectrum analysis, as follows.
Spectrum Analysis (0.1- 6.2 GHz)
: This sets the frequency range to 0.1 to 6.2 GHz, and sets
RF/IF optimization to
Minimize Sweep Time
. This application preset is con
fi
gured for use with the
RSA6106A, but it can be also used with the RSA6114A.
Spectrum Analysis (0.1-14 GHz)
: This sets the frequency range to 0.1 to 14 GHz, and sets the
RF/IF optimization to
Minimize Sweep Time
. This application preset is con
fi
gured for use with the
RSA6114A. If you use this preset on the RSA6106A, you will have to manually adjust the center
frequency and span. If you have Option 110 installed in your instrument, using
Minimize Sweep Time
will improve the screen update rate for wide spans approximately 3X compared to the auto settings. If
Option 110 is not installed, no improvement in sweep speed is gained by minimizing sweep time.
To use the either of the spectrum analysis application presets:
22
RSA6100A Series Real-Time Spectrum Analyzers Help
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