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TDA8205 - NICAM QPSK DEMODULATOR
CX24130 - Dual Qpsk/bpsk Demodulator ic
HSP50306 - Digital QPSK Demodulator
SX061 - 1 Mbit/s DQPSK/DBPSK Digital Demodulator
CXD1961Q - DVB-S Front-end IC (QPSK demodulator + FEC)
MC92303 - QPSK/BPSK DIGITAL DEMODULATOR
CX24110 - Qpsk/bpsk Demodulator ic
SDA6310 - DSR QPSK-Demodulator
STV0196B - QPSK/BPSK DEMODULATOR AND FEC IC