CXD2027R Description
The CXD2027Q/R are audio signal processors designed for DBS applications. These LSIs perform all digital processing from QPSK demodulation to analog audio output on a single chip.
CXD2027R Key Features
- Carrier, clock and data regeneration
- ALC and VCXO adjustment-free PCM demodulator
- Frame sync protection by correlation detection
- De-interleaving and descrambling
- BCH error correction, range bit error correction
- Audio data range control Expansion from 10 to 14 bits in A mode Upper bit majority correction in B mode
- Control sign integration correction, chargeable flag integration correction by master frame synchronization
- Interface output for external DAC
- Digital interface output 1-bit DAC output
- Quadruple oversampling filter