CMU RF: Power vs. Time Measurement
1100.4903.12 4.43 E-10
Level
Scale
The Level Scale hotkey defines the level range of the Power test diagram (ordinate
scale). The scale can be adjusted in 0.1 dB steps. Note that, in contrast to the ref-
erence level, the range selection doesn’t have any impact on the measurement.
The ordinate scale is calculated from the maximum level defined in the Connection
Control menu (see section Analyzer Settings – Table-Oriented Version on page
4.59) and the range such that
• The Max Level defines the upper edge of the diagram.
• The difference Max Level – Level Scale defines the lower edge of the diagram.
• The number of horizontal grid lines (corresponding to 10, 15, or 16 cells) and
the ordinate labeling is adapted to the range.
Remote control
[SENSe:]POWer:LEVel:RANGe <Range>
Time
Scale Start
The Time Scale Start hotkey defines the left edge of the Power test diagram (ab-
scissa scale). The time scale of the diagram is derived from the Time Scale Start
and the Time Scale Span assuming a constant number of 10 horizontal cells:
• Time Scale Start defines the left edge of the diagram.
• Time Scale Start + Time Scale Span defines the right edge of the diagram.
• The abscissa labeling is adapted to the defined time scale.
Time Scale Start is defined relative to the trigger time (delay). The permissible
range of start times depends on the span (see below) and on the resolution band-
width of the power measurement. As a general rule, larger values are allowed if the
span is increased and the resolution bandwidth decreased.
Remote control
[SENSe:]POWer:TIME:DELay <Delay>
Time
Scale Span
The Time Scale Span hotkey defines the time range of the Power test diagram
(abscissa scale). The span is equal to the total measurement range of the Power
measurement.
The time scale of the diagram is derived from the Time Scale Start and the Time
Scale Span as explained above.
Remote control
[SENSe:]POWer:TIME:SPAN <Span>
Menus
The Menus softkey displays the hotkey bar for switching over to the other meas-
urement menus.
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