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Numeric Measurement Modes
R&S
®
EVSG1000
90
User Manual 1178.6227.02 ─ 06
–
green
: power in a valid range
●
If applicable: overload messages
Overload messages
The following messages indicate an overload:
●
"RF Overload"
Overload of the input mixer or of the analog IF path.
●
"IF Overload"
Overload of the IF signal.
●
"ADC Overload"
The dynamic range of the AD-converter is exceeded (clipping).
A combination of these overloads is also possible.
In all cases, set the RF attenuation to normal or low distortion (for RF input), or reduce
the input level.
In recorded data lists, overloads are indicated by an
"O"
Remote commands to retrieve results:
4.2.2.2
IF Spectrum Preview
A preview of the measured spectrum (power level vs. frequency) for the IF (intermedi-
ate frequency) signal is provided. The center frequency is the nominal channel fre-
quency. The frequency range shows the measured bandwidth. The power range is
selected such that the noise level remains visible.
Figure 4-15: IF spectrum preview
This preview spectrum allows you to check if the current measurement settings are
appropriate, such as the bandwidth or frequency offsets. For a larger, more detailed
spectrum diagram, select one of the graphical Spectrum modes. If you switch to such a
ILS Marker Beacon Mode (Option R&S
EVSG-K3)