Chapter 13
Using Mobile WiMAX Signal
Analyzer
488
JD700B Series User’s Guide
Press the
Delay
soft key to set the amount of delay in µs.
Enter a value by using the numeric keys. You can also use the rotary knob.
Press the
µs
soft key.
NOTE
The Delay setting is used only when there is a time offset in the signals to be measured.
Measurement example
Figure 291 EVM vs. symbol measurement with Mobile WiMAX 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 modulation tests” on page 488 for
more information. The Spectral Flatness and Frequency Error are not used in the EVM
vs. Subcarrier mode.
Setting limit for modulation tests
Procedure
1
Press the
LIMIT
hot key.
2
Press the
Modulation Test Limits
soft key to set the limits.
3
Select the test item(s) and set the limit(s) depending on your selected measurement mode:
To set the limit for
Select
Set
Spectral flatness
Spectral Flatness
On/Off
Frequency error
Frequency Error
High Limit, Low Limit
RMS for RCE
RCE RMS
High Limit
Peak for RCE
RCE Peak
High Limit
RMS for error vector magnitude
EVM RMS
High Limit
Peak for error vector magnitude
EVM Peak
High Limit
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.
Содержание CellAdvisor JD700B Series
Страница 2: ...CellAdvisorTM JD700B Series FW3 120 User s Guide ...
Страница 105: ...Chapter 4 Using Spectrum Analyzer 104 JD700B Series User s Guide Figure 44 PIM detection for multiple carriers ...
Страница 406: ...Chapter 11 Using EV DO Signal Analyzer JD700B Series User s Guide 405 3 Pilot 4 MAC 64 5 MAC 128 ...
Страница 734: ...Chapter 18 Perfroming BBU Emulation JD700B Series User s Guide 733 Figure 441 Example of verification of link status ...
Страница 763: ...Chapter 21 Performing Fiber Inspection 762 JD700B Series User s Guide Figure 461 Fiber inspection report ...
Страница 808: ...Appendix JD700B Series User s Guide 807 JD740B series ...
Страница 811: ...Appendix 810 JD700B Series User s Guide Figure 470 Append keywords window ...