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Chapter 8 Using LTE - FDD Signal Analyzer
Figure 72
Direct connection
JD785B/JD745B
Indirect connection
Procedure
1
Connect the Spectrum Analyzer RF In port of the JD700B series and the monitor (test) port of
BTS.
Figure 73
Indirect connection
JD785B/JD745B
CAUTION
The maximum power for the Spectrum Analyzer RF In port is +25 dBm (0.316 W) for
JD780B series and +20 dBm (0.1 W) for JD740B series. If the level of the input signal to
be measured is greater than this, use a High Power Attenuator to prevent damage
when you directly connect the signal to the instrument or connect the signal from the
coupling port of a directional coupler.
Over the air (OTA)
Procedure
1
Connect an Omni/directional RF antenna to the Spectrum Analyzer RF In port of the JD700B
series.
2
Connect a GPS antenna to the GPS port of the JD700B series.
172
JD700B Series User's Guide
JD788B/JD748B
JD788B/JD748B
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