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Functions and Measurements
Making a Power Measurement with USB Power Sensor
7 Press Meas Setup > Disp Range to set the display range of the
measurement. when it is set to On, the display range will be
adjusted automatically according to the signal power
dynamic range. When it is set to Off, press Top and Bottom to
set the display range manually.
8 Press General Setup > Freq to set the power frequency for the
DUT. The current frequency will display in the bottom line.
9 Press Power Range > Auto Power to toggles the measurement
range between On and Off. When it is set to On, the power
range will be adjusted automatically. Use auto range when
you are not sure of the power level you are about to
measure. When it is set to Off, press Range to select the
upper range or lower range. The lower range uses the more
sensitive path and the upper range uses the attenuated path.
Table 1 Power Sensor Range
Sensor Lower range Upper range
U2000/1/2/4A
–60 dBm to –7 dBm –7 dBm to +20 dBm
U2000/1/2H
–50 dBm to +3 dBm +3 dBm to +30 dBm
U2000/1B
–30 dBm to +23 dBm +23 dBm to +44 dBm
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