Chapter 5
Using Interference Analyzer
JD700B Series User’s Guide
111
CAUTION
If the input signal level to be measured is less than 0 dBm, set it to 0 dB attenuation or
turn on the preamp to have better dynamic range for the testing.
Using an AntennaAdvisor handle
In the Interference Finder mode and the Radar Chart mode, you can perform interference hunting using the
AntennaAdvisor Handle after attaching a broadband directional antenna to it. The handle is a device that
has a built-in GPS antenna and LNA.
Procedure
1
Mount a broadband antenna to your AntennaAdvisor Handle according to the quick start guide of
the AntennaAdvisor Handle.
2
Connect the
RF Type-N jack
of the handle to the
RF In port
of the instrument.
3
Connect the
GPS SMA jack
of the handle to the
GPS port
of the instrument.
The GPS status indicator appears on the instrument screen. If GPS is locked, the indicator turns
green.
4
Connect the
USB plug
of the handle to the
USB Host port
of the JD700B series.
The device icon appears in the system status bar on the screen.
Figure 48 Connection using AntennaAdvisor handle and log-periodic antenna
