CXD1961Q - DVB-S Front-end IC (QPSK demodulator + FEC)
CXD1961Q Features
* Dual 6 bit A/D converters
* QPSK demodulator Multi-symbol rate operation Nyquist roll off filter (α = 0.35) Clock recovery circuit Carrier recovery circuit AGC control circuit
* Viterbi decoder Constraint length K =7 Punctured rate R = 1/2
* 7/8 Truncation length 144