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c
d
e
f
g
h
After configuring the test parameters, your measurement result is displayed on the screen as like the
following example, Figure 175.
Figure 175 Multi-ACPR measurement with EV-DO signal analyzer
NOTE
You can use the LIMIT hot key to analyze your measurements with the user-definable
limit and Pass/Fail indication. See "Setting limit for RF tests" on page 347 for more
information.
Spurious emissions
Out-of-band emissions are unwanted emissions immediately outside the channel bandwidth resulting
from the modulation process and non-linearity in the transmitter but excluding spurious emissions. The
Spurious Emissions measurement is to identify and determine the power level of out-of-band spurious
emission within the necessary channel bandwidth and modulated signal measured at the RF port of
the Base Station.
Setting measure setup
Procedure
1
Press the MEASURE SETUP hot key.
2
To set up the range table and frequency range, press the Range Table soft key and then
complete the following steps:
a
Press the Range soft key, and then enter the range number to add a new range or change
an existing one.
band to be measured.
Press the Lowest Channel soft key to set the starting channel.
Enter a value by using the numeric keys. You can also use the rotary knob.
Press the Enter soft key.
Press the Highest Channel soft key to set the stopping channel.
Enter a value by using the numeric keys. You can also use the rotary knob.
Press the Enter soft key.
JD700B Series User's Guide
Chapter 11 Using EV-DO Signal Analyzer
345
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