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Chapter 12 Using TD-SCDMA Signal Analyzer
Measurement example
Figure 201 Spurious emissions measurement with TD-SCDMA 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 388 for more
information.
Setting limit for RF tests
By default, test limits specified in the standard are set for you. You can change thresholds if you desire.
Procedure
1
Press the LIMIT hot key.
2
Press the RF Test Limits soft key.
3
Select the test item(s) and set the limit(s) depending on your selected measurement mode:
To set the limit for
Channel power
Occupied bandwidth
Spectrum emission mask
ACLR
Multi-ACLR
Spurious emissions
4
Optional. You can enable alarm sound that goes off if the measurement falls outside of the limit.
Toggle the Beep soft key between On and Off to enable or disable the beep sound.
5
Optional. Go to SAVE/LOAD > Save, and then select Limit to save the limit settings.
See "Using save" on page 32 for more information.
388
Select
Channel Power
Occupied BW
Spectrum Emission Mask
ACLR
Multi-ACLR
Spurious Emissions
JD700B Series User's Guide
Set
High Limit
Low Limit
High Limit
(On/Off only)
(On/Off only)
(On/Off only)
(On/Off only)
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