CMU RF: Power vs. Time Measurement
1100.4903.12 4.41 E-10
Power
vs Time
The Power vs Time softkey controls the power measurement and indicates its
status (RUN | HLT | OFF). This status can be changed after softkey selection
(pressing once) by means of the ON/OFF key or the CONT/HALT key.
Remote control
INITiate:POWer; ABORt:POWer; STOP:POWer; CONTINUE:POWer
FETCh:POWer:STATus?
Measurement
configuration
Pressing the Power vs Time softkey twice opens the popup menus Power Configu-
ration (see page 4.45). Besides, the measurement control softkey provides hotkeys
to define the scope of the measurement. All these settings are described in more
detail in section Measurement Configurations (Power Configuration) section on
page 4.45 ff.
Analyzer
Level
The Analyzer Level softkey controls the level in the RF input signal path and pro-
vides the trigger settings for the current measurement.
The input level and trigger settings are general settings and therefore also provided
in the Connection Control menu. They are described in more detail in sections
Analyzer Settings – Table-Oriented Version on page 4.59 and Trigger (Connection
Control – Trigger) on p. 4.72 ff.
Analyzer
Settings
The Analyzer Settings softkey determines the center frequency of the RF analyzer
and the resolution bandwidth of the measurement filter. The settings are specific to
the Power menu and also provided in the Control tab of the Power Configuration
menu; see section Measurement Configurations (Power Configuration) section on
page 4.45 ff.
Generator
Tx Aux Tx
The Generator softkey configures the RF signals generated. The generator settings
are general settings and therefore also provided in the Connection Control menu.
They are described in more detail in section Generator Settings (Connection Con-
trol – Generator) on p. 4.61 ff.
The RF Level hotkey is also used to switch the RF generator on and off.
If option R&S CMU-B95, Second RF Generator, is fitted, the Generator softkey
toggles between the primary RF signal (Tx) and the auxiliary RF signal (Aux Tx)
settings. The properties of the Aux Tx signal are also described in section
Generator Settings (Connection Control – Generator) on p. 4.61 ff
Marker
Display
The Marker/Display softkey positions up to 3 markers and a D-line in the test dia-
gram and displays their values.
If pressed once again, the selected Marker/Display softkey changes to the Dis-
play/Marker softkey, see below.
Markers are graphical tools for marking points on the measurement curve and
for numerical output of measured values. The measurement menu
Power provides a reference marker and two further markers which
permit to measure differences (delta marker 1 and 2).
The coordinates of the three markers are indicated in the format Ordi-
nate value (level)/abscissa value (time) in a parameter line above the
test diagram. The position of the reference marker is expressed in ab-
solute units (level in dBm and time in bits), the delta marker by abso-
lute or relative values (relative level in dB or time differences from the
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