Chapter 5 Power Sensor Operation
Reading the power measurement
9102 Handheld Spectrum Analyzer Software version 5.31
107
Defining the displayed
measurement unit
The 9102 can display results either in Watts (linear unit) or in dBm (loga-
rithmic unit).
To select the desired unit, press the
Display function softkey once or
twice until the desired display mode (log or lin) is highlighted.
Reading the power measurement
The 9162 Insertion Power Sensor performs broadband measurements
of the forward and reverse power. The results are shown as follows:
Forward power The 9102 displays a bar indicating the power to the scale shown below
the bar, either in Watts (linear display) or in dBm (logarithmic display).
The numerical value is also shown on the right-hand side.
The forward power is the amount of power being transmitted into the
RF In port and further from the RF Out port to the signal sink, without
being reflected.
Reverse power The 9102 displays a bar indicating the power to the scale shown below
the bar, either in Watts (linear display) or in dBm (logarithmic display).
The numerical value is also shown on the right-hand side.
The reverse power is the amount of power being transmitted (or
reflected by the sink) into the RF Out port and further from the RF Out
port to the signal sink, without being reflected.
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