Radar Field Analyser - RFA641 Edition Date: 28-Feb-18
3.4. Troubleshooting
1. No pulses are recorded; the preview window does not show any pulses.
◦ Check the antenna connection and the cable between the filter and the receiver.
◦ Check the video output on the oscilloscope.
◦ Check the frequency settings. Maybe you selected the wrong (PSR) frequency.
2. Lots of pulses are recorded, no boresight can be found in the noise-like pulse distribution.
◦ Probably the input amplitude is way too high. Add an external attenuator in the antenna cable.
3. The boresight of the antenna diagram is flattened; side lobes are at less than 20 dB of the boresight.
◦ Probably the input amplitude is way too high. Add an external attenuator to the antenna cable.
4. The sample window is not updated at all (Pulse Count does not increase).
◦ Lower the trigger value. If this doesn’t help, adjust the frequency and check whether the antenna
is properly connected to the equipment
IE-UM-00165-005 RFA641 User Manual.odt 42/110
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