Keysight Technologies N9322C, Руководство пользователя, Страница: 85 / 214

77
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