Tektronix PSM3000 Series, Руководство пользователя

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Pulse Pro fi ling Application
Overshoot (OvSh).
Returns the difference in dB between the highest point after
a rising edge and the average power of the pulse. The gates for this type of
measurement must be positioned with the same restrictions as the rise time
measurement.
Droop (Droop).
Returns in dB a decrease in pulse power measured between the
fi rst 5% after the left gate and the last 5% before the right gate.
The gates also provide the following three groups of measurements:
Power Set : peak power, pulse power and crest factor
Time & Frequency Set : pulse width, pulse repetition time, pulse repetition
frequency
Mixed Set : peak power, crest factor, pulse width, pulse repetition frequency
Below is a general gate positioning diagram that shows where to place the gates
for the various measurement types.
Figure 4: Gate positioning diagram
All Gates Off. Select to turn off and reset all gates. You will lose gate positioning
if you click this button.
Display Control
This toolbar allows you to adjust the trace display views and switch control of the
mouse pointer function between Markers, Highlight, or Gates.
Zoom In and Out. Click the zoom icons to increase or decrease the trace display
resolution. These icons are also available at the top of the Results window.
44 RF and Microwave Power Sensors/Meters