Measurement key figures

Modulation Error Ratio (MER)

The modulation error ratio for DVB signals (MER) is the measure of the quality of digitally modulated signals.

The MER should not fall below the values ​​in the table below!

Modulation of the signal MER (dB)
DVB-S, QPSK, FEC = 2/3 6
DVB-S, QPSK, FEC = 7/8 9
DVB-S2, QPSK, FEC = 9/10 7
DVB-S2, 8 PSK, FEC = 2/3 7
DVB-S2, 8 PSK, FEC = 9/10 11
DVB-S2/S2X, 16 APSK 16
DVB-S2/S2X, 32 APSK 18
DVB-C, 16 QAM 20
DVB-C, DOCSIS-DS, 64 QAM 26
DVB-C, DOCSIS-DS, 256 QAM 32
DVB-T, COFDM, 16 QAM, FEC = 2/3 16
DVB-T, COFDM, 64 QAM, FEC = 2/3 22
DVB-T, COFDM, 64 QAM, FEC = 3/4 24
DVB-T2, COFDM, 16 QAM, FEC = 2/3 14
DVB-T2, COFDM, 64 QAM, FEC = 2/3 20
DVB-T2, COFDM, 256 QAM, FEC = 2/3 25
DVB-T2, COFDM, 256 QAM, FEC = 5/6 32
DAB/DAB+, COFDM 10