Rohde & Schwarz FSV3000, User Manual

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Common analysis and display functions
R&S
®
FSVA3000/ R&S
®
FSV3000
538 User Manual 1178.8520.02 ─ 08
Note: If normal marker 1 is the active marker, switching the "Mkr Type" activates an
additional delta marker 1. For any other marker, switching the marker type does not
activate an additional marker, it only switches the type of the selected marker.
"Normal" A normal marker indicates the absolute value at the defined position
in the diagram.
"Delta" A delta marker defines the value of the marker relative to the speci-
fied reference marker (marker 1 by default).
Remote command:
CALCulate<n>:MARKer<m>[:STATe]
on page 1176
CALCulate<n>:DELTamarker<m>[:STATe]
on page 1173
Noise Measurement State
Activates or deactivates noise measurement for the marker in the diagram.
This function is only available for normal markers.
If activated, the marker displays the noise power density measured at the position of
the marker.
For details see Chapter 7.3.4.2, "Measuring noise density (noise meas marker)" ,
on page 535.
Remote command:
CALCulate<n>:MARKer<m>:FUNCtion:NOISe[:STATe]
on page 1206
CALCulate<n>:MARKer<m>:FUNCtion:NOISe:RESult?
on page 1206
Switching All Noise Measurement Off
Deactivates noise measurement for all markers.
Remote command:
CALCulate<n>:MARKer<m>:FUNCtion:NOISe[:STATe]
on page 1206
7.3.4.3 Phase noise measurement marker
Access : "Overview" > "Analysis" > "Marker Functions" > "Phase Noise" > "Phase
Noise Config"
Or : [MKR FUNC] > "Select Marker Function" > "Phase Noise" > "Phase Noise Config"
For each of the 16 markers, you can activate a phase noise measurement.
Phase noise is unintentional modulation of a carrier; it creates frequencies next to the
carrier frequency. A phase noise measurement consists of noise density measure-
ments at defined offsets from the carrier; the results are given in relation to the carrier
level (dBc). The phase noise marker function measures the noise power at the delta
markers referred to 1 Hz bandwidth. Marker 1 is used as the reference for the phase
noise measurement. By default, the current frequency and level of marker 1 are used
as the fixed reference marker. However, you can start a peak search to use the current
signal peak as the reference point, or you can define a reference point manually.
The reference point for the phase noise measurement is fixed. After phase noise mea-
surement is started, you can set the reference level or the center frequency so that the
carrier is outside the displayed frequency range. You can also activate a notch filter to
suppress the carrier.
Marker usage