RF: Analyzer/Generator Menu CMU
1100.4903.12 4.34 E-10
power of the input signal inside a wide frequency range. For modulated RF signals, the
result of the wideband power measurement depends on the modulation characteristics.
The main purpose of the measurement is to indicate whether an input signal is available
and whether it is advisable to change the Max Level settings.
Power vs. Time
The Power vs. Time measurement yields the power of the RF input signal over a variable
time range. The result is displayed in a graphical diagram; see section Power on p. 4.40 ff.
The measurement is performed at fixed frequency. A wide range of Gaussian measurement
filters is available. The Power vs. Time measurement can be used to analyze an RF signal
with variable power, e.g. a burst signal.
Types of settings The purpose of the Analyzer/Generator menu is to provide quick access to the
most common RF analyzer and generator settings and to present the basic power
results at a glance. Two measurement applications Analyzer Power or Power Meter
Freq. Sel. can be selected with the Application softkey. The remaining soft-
keys/hotkey combinations provide two different types of settings:
General settings are valid for all applications of the RF function group. Changing
general settings in any application will have an impact on all measurements and
applications of the function group. All general settings are also provided in the
Connection Control menu (see p. 4.58 ff.). Examples of general settings are the
RF Max. Level and the trigger settings (softkey Analyzer Level) and the configu-
ration of the RF generator (softkey Generator).
Specific settings are relevant for one application only, or they can be set independ-
ently for several applications. Changing specific settings in an application will not
affect the other measurements and applications of the function group. No spe-
cific settings are provided in the Connection Control menu (see p. 4.58 ff.). Ex-
amples of specific settings are the Repetition mode (to be set independently for
all applications) and Statistic Count (not relevant for the Analyzer Power applica-
tion).
Measurement
results
The output fields in the left half of the Analyzer/Generator menu show the current
measurement results. The results depend on the selected application. They are
described in detail in section Measurement Results on p. 4.37 f.
The results displayed in the Analyzer/Generator menu represent only a small frac-
tion of the power results that the CMU is able to acquire. More results are displayed
in the Power and Spectrum measurement menus; see sections Power on p. 4.40 ff.
and Spectrum on p. 4.48 ff. In particular, the Power and Spectrum menus show the
results as a function of time and frequency.
The main menu Analyzer/Generator is opened from the main menu Menu Select (with associated key
at front of instrument). It can also be accessed from the other measurement menus of the function
group RF via the Ana./Gen. hotkey.
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