Description
The CXD1961Q is a single chip DVB Satellite Broadcasting Front-end IC, including dual ADC for analog I/O inputs, QPSK demodulator, Viterbi decoder, de-interleaver, Reed-Solomon decoder and Energy Dispersal descrambler.
It is suitable for use in a DVB Integrated Receiver Decoder.

Features
• Dual 6 bit A/D converters
• QPSKdemodulator
    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
    Punctured rate search function
    BER monitor
• De-interleaver
    Packet synchronization
    Convolutional de-interleaver
• Reed-Solomon decoder (204, 188)
• Energy dispersal descrambler
• CPU interface
    l2C bus interface/8 bit CPU bus
    TTL interface level (5V input capability)
• JTAG(IEEE std 1149.1–1990) test mode
• Package : QFP-100pin
• Single +3.3V Power Supply
• Symbol rate max:32MSPS min:TBD
• Power consumption TBD
• 0.4um CMOS Technology

Applications
• DVB-S Set Top Box (Satellite)