R&S FSV-K7 Operating Manual page 18

Analog demodulation and fm stereo
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R&S
FSV-K7/K7S
Max Hold
The maximum value is determined over several sweeps and displayed. The
R&S FSVA/FSV saves the sweep result in the trace memory only if the new value is
greater than the previous one.
The detector is automatically set to "Positive Peak".
This mode is especially useful with modulated or pulsed signals. The signal spectrum
is filled up upon each sweep until all signal components are detected in a kind of enve-
lope.
This mode is not available for statistics measurements.
Remote command:
DISP:TRAC:MODE MAXH, see
on page 110
Min Hold
The minimum value is determined from several measurements and displayed. The
R&S FSVA/FSV saves the smallest of the previously stored/currently measured values
in the trace memory.
The detector is automatically set to "Negative Peak".
This mode is useful e.g. for making an unmodulated carrier in a composite signal visi-
ble. Noise, interference signals or modulated signals are suppressed whereas a CW
signal is recognized by its constant level.
This mode is not available for statistics measurements.
Remote command:
DISP:TRAC:MODE MINH, see
on page 110
Average
The average is formed over several sweeps. The
of averaging procedures.
All available detectors can be selected. If the detector is automatically selected, the
sample detector is used (see
This mode is not available for statistics measurements.
Remote command:
DISP:TRAC:MODE AVER, see
on page 110
View
The current contents of the trace memory are frozen and displayed.
Note: If a trace is frozen, the instrument settings, apart from level range and reference
level (see below), can be changed without impact on the displayed trace. The fact that
the displayed trace no longer matches the current instrument setting is indicated by the
icon on the tab label.
If the level range or reference level is changed, the R&S FSVA/FSV automatically
adapts the measured data to the changed display range. This allows an amplitude
zoom to be made after the measurement in order to show details of the trace.
Operating Manual 1176.7561.02 ─ 06
Analog Demodulation Option R&S FSV–K7
Instrument Functions Analog Demodulation
DISPlay[:WINDow<n>]:TRACe<t>:MODE
DISPlay[:WINDow<n>]:TRACe<t>:MODE
Sweep Count
Chapter 2.1.8, "Detector
DISPlay[:WINDow<n>]:TRACe<t>:MODE
determines the number
Overview",
on page 19).
18

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