Kathrein 9986492 Satellite TV System User Manual


 
Const Menu
75
Examples for QPSK constellation diagrams
QPSK signal without faults QPSK signal with phase noise (LNC)
QPSK signal with intermodulation noise QPSK signal with superposed broadband
noise. Possible cause: Defective amplifier
or high cable loss.
QPSK signal with amplitude hum of an amplifier