Front Panel Key Reference RIGOL
User’s Guide for DSA1000 Series
The span and resolution bandwidth in this measurement type are automatically
set to smaller values.
Select the Channel Power measurement and press Meas Setup to set
corresponding parameters.
4. OBW
Calculates the power within the whole bandwidth by integral operation and works
out the occupied bandwidth by this value based on the specified power ratio. The
center frequency difference between the measured channel and the analyzer will
also be given in the measurement result.
Select the OBW measurement and press Meas Setup to set corresponding
parameters.
5. EBW
Measures the bandwidth of the two points at both sides of the max signal when
the amplitude of this max signal falls off X dB within the span range.
Select the EBW measurement and press Meas Setup to set corresponding
parameters.
6. C/N Ratio
Measures the power of both the carrier and noise within specified bandwidth as
well as their power ratio.
Select the C/N Ratio measurement and press Meas Setup to set corresponding
parameters.
7. Harmo Dist
Measures each order harmonic power and THD of the carrier. The available range
is up to 10 orders, and the fundamental wave amplitude must be higher than -50
dBm or else the measurement will be invalid.
Select the Harmo Dist measurement and press Meas Setup to set
corresponding parameters.
8. TOI
Measures the parameters of the production generated by two signals which have
the same amplitude and similar frequency. The measured results include the
Frequency and Amplitude of the Base Lower, Base Upper, 3rd Order Lower and
3rd Order Upper signal, as well as the Intercepts of both the Base Lower and Base
Upper.
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