Tektronix PSM3000 Series, Руководство пользователя

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Operating Basics
Pulse Pro fi ling
NOTE.
This information applies to the PSM5000 series instruments only.
The PSM5000 series instruments using the Pulse Pro fi ling application use
equivalent-time sampling to build a trace of the envelope of repetitive input
signals. The equivalent-time sample rate is 48 MS/s.
A wide variety of measurements are available in the Pulse Pro fi ling application.
These include:
Rise Time (RT)
Fall Time (FT)
Pulse Width (PW)
Pulse Repetition Time (PRT)
Pulse Repetition Frequency (PRF)
Duty Cycle (DC)
Pulse Power (Pls)
Peak Power (Pk)
Average Power (Avg)
Crest Factor (CF or CrF)
Overshoot (OvSh)
Droop
On/Off Ratio
You can set trigger levels and conditions, apply digital fi lters to the envelope, and
set the software to average traces together.
The overall trace is shown in the Panoramic Trace window. Pan and zoom
functions let you select a subset of the trace, which is displayed in the
Measurement Trace window. All measurements are taken on the Measurement
window data. These measurements can be further quali
fi ed by using markers
and gates.
An Auto Measurements feature allows all measurements to be taken on the fi rst
two pulses in the Measurement trace with the click of a button.
Statistics can be taken on the Measurement Trace window data, including CDF,
CCDF, and PDF. (See page 33,
CDF, CCDF, and PDF Display .)
You can read more about this application. (See page 31, Pulse Pro fi ling
Application .) (See page 42, Gate Measurement Types in Gates Toolbar .)
16 RF and Microwave Power Sensors/Meters