Chapter 3 179
Mode
Two Port Insertion Loss Measurement
Mode
Trace/Detector
The following Trace/Detector keys are for setting up a Two Port Insertion Loss
measurement. The measurement must already be running to access these keys. Press
Meas, Two Port Insertion Loss to turn on the measurement.
Select Trace
Selects which trace the menu keys will affect. Press
Select Trace until the number of the
desired trace is underlined. Only 2 traces are available in the Stimulus Response mode
(compared to 4 traces in the Spectrum Analyzer Mode). Note as well that in the “Two Port
Insertion Loss” measurement, there is only one trace being generated, so if both are active
using the “Update On/Off” feature described below, they will contain identical data and the
one on top will hide the bottom one (only one will be seen, but both are there). The purpose
of the “Trace/Detector” feature in this measurement is to allow an A/B comparison. For
instance, you could store one set of measurement results in Trace 2 (Turn ON first the
“Update” parameter of this Trace 2 to get the results then turning back OFF this “Update”
parameter to store the results) and then compare it with set of measurement results
displayed by Trace 1 (Set the “Update” parameter of the Trace 1 to ON).
Preset This actual achievable leveled of 10 dBm power depends on the
frequency.
State Saved Saved in instrument state.
Min –30 dBm
Max –15 dBm
Key Path Front-panel key
Mode: All
Key Path Front-panel key
Preset Trace 1
State Saved The number of the selected trace is saved in Instrument State
Range 1 | 2
Key Path
Trace/Detector, Select Trace
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