... & DVB-T2 Channel Complied Standard ETSI EN 302 755 V 1.1.1 (2009-09) Input impedance 75Ω Modulation COFDM: QPSK, ... Input signal level 36~85dBμV FEC coding LDPC Code + BCH Code, Code rates: 1 /2, 3/5, 2/ ... PP1 to PP8 Guard intervals 1/128, 1/32, 1/16, 19/256, 1/8, 19/128, 1 /4. Channel raster 7 ... to display Teletext subtitling, meeting the requirements for level 1.5 in ref. [ETS 300 706, “Enhanced ...