CXD1961Q Overview
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.
CXD1961Q Key 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
- Viterbi decoder Constraint length K =7 Punctured rate R = 1/2 -7/8 Truncation length 144 Punctured rate search function
- 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