Chapter 7
Using WCDMA/HSPA+ Signal Analyzer
184
JD700B Series User’s Guide
Figure 94 Multi-ACLR measurement with WCDMA/HSPA+ 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 185 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 parameters, press the
Range Table
soft key and then complete
the following steps:
Press the
Range
soft key, and then select the range number between
1
and
20
to add
as a new or change the existing settings.
Do the following as desired:
Select
Start Frequency
, and then specify the start frequency for the selected range.
Select
Stop Frequency
, and then specify the stop frequency for the selected range.
Select
Start Limit
, and then specify the lower limit for Pass/Fail indication.
Select
Stop Limit
, and then specify the upper limit for Pass/Fail indication.
Select
More (1/2) > Attenuation
, and then specify an value in the multiple of five.
Select
More (1/2) > RBW
, and then specify a RBW value.
Select
More (1/2) > VBW
, and then specify a VBW value.
Press the
PREV
hard key.
Toggle the
Range
soft key and select
On
to display the selected range in the result table or
Off
to hide it from the table.
3
Toggle the
Measure Type
soft key between
Examine
and
Full
to select the measurement type.