Chapter 14
Using NB-IoT Signal Analyzer
506
JD700B Series User’s Guide
External
(green)
The green
EXT
icon indicates that an external reference is connected
and locked and that the instrument uses the same reference clock as
the signal source.
External
(red)
The red
EXT
icon indicates that an external reference is connect but not
locked.
GPS
(green)
The green GPS antenna icon indicates that a GPS antenna is
connected and locked.
GPS
(yellow)
The yellow GPS antenna icon indicates that a GPS antenna is
connected and locking is in progress.
GPS
(grey)
The grey GPS antenna icon indicates that a GPS antenna is not
connected, failed, or unable to be locked.
Conducting NB-IoT in band spectrum measurement
Setting measure setup
After configuring test parameters as described in the “Configuring test parameters” on page 502, you can
continue your measurement. You can just check the spectrum based on the bandwidth you chose.
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
, or
20 MHz
.
Setting trace
You can display up to six traces on the measurement chart simultaneously.
Procedure
1
Press the
TRACE/DISPLAY
hard key.
2
Press the
Select Trace
soft key, and then select the trace number:
T1
,
T2
,
T3
,
T4
,
T5
, or
T6
.
The legend shape of the selected trace changes from square to round to indicate that the trace is
the active one now.
3
Complete one of the following:
To
Select
Trace Legend
Clear current data and display with new
measurements
Clear Write
W
Display the input signal’s maximum response only
(unlimited or for a certain amount of time)
Max Hold
M
Display the input signal’s minimum response only
(unlimited or for a certain amount of time)
Min Hold
m
Capture the selected trace and compare traces
Capture
C
Load a saved trace
More (1/2) > Load
L
Hide the displayed trace
Trace View > Off
F
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 ...