Chapter 8
Using LTE-FDD Signal Analyzer
224
JD700B Series User’s Guide
Measurement example
Figure 119 ACLR measurement with LTE-FDD 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 227 for more
information.
Multi-ACLR
The Multi-ACLR measurement is used to perform multi-channel ACLR measurements with as many
channels as possible. It helps you to measure ACLR in multi-channel transmitting Base Station environment.
Setting measure setup
After configuring test parameters as described in the “Configuring test parameters” on page 214, you can
continue your measurement.
Procedure
1
Press the
MEASURE SETUP
hot key.
2
To set the nominal channel bandwidth to be measured, complete the following steps:
Press the
Bandwidth
soft key.
Select the bandwidth option from the choices:
1.4 MHz
,
3 MHz
,
5 MHz
,
10 MHz
,
15 MHz
,
and
20 MHz
.
3
To set the frequency, do one of the following:
To set the center frequency, complete the following steps:
Toggle the
Unit
soft key and select
Freq
.
Press the
Lowest Frequency
soft key to set the starting center frequency.
Enter a value by using the numeric keys. You can also use the rotary knob.
Select the unit:
GHz
,
MHz
,
kHz
, or
Hz
.
Press the
Highest Frequency
soft key to set the stopping center frequency.
Enter a value by using the numeric keys. You can also use the rotary knob.
Select the unit:
GHz
,
MHz
,
kHz
, or
Hz
.
To set the channel number, complete the following steps:
Toggle the
Unit
soft key and select
Channel
.
