FEATURES
s s s s s s s s s 4,16, 32, 64, 128 and 256 QAM demodulator (ITU-T J.83 annex A-B and C compatible) High performance for 256 QAM especially for direct IF applications On-chip 10-bit ADC On-chip PLL for crystal frequency multiplication (typically 16 MHz crystal) Digital down conversion Programmable half Nyquist filter (roll off = 0.12, 0.13, 0.15 and 0.18) Two PWM AGC outputs with programmable take-over point (for tuner and down converter control) Clock timing recovery, with programmable second order loop filter Variable symbol rate capability from SACLK/64 to SACLK/4 (with low sampling clock: SACLK = 36 MHz maximum) or from SACLK/128 to SACLK/8 (with high sampling clock: SACLK = 72 MHz maximum) Programmable anti-aliasing filters Full digital carrier recovery loop Carrier acquisition range up to 9 % of symbol rate Integrated adaptive equalizer (linear transversal equalizer or decision feedback equalizer) DVB compatible differential decoding and mapping On chip DVB-C full compliant...