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供应商	Global IP Core
型号	DVB-T2 Demodulator + Decoder - Global IP Core
类型	Soft IP
到期日	Silicon proven
源网址	View more
特征	DVB-T2 EN302 755 V1.2.1, Rev.9 compliant Supports IF input Single input – Single output (SISO) Sampling frequency offset (SFO) tracking and compensation Carrier frequency offset (CFO) detection and correction Flexible channel BW (1.7, 5, 6, 7, 8, and 10) MHz BPSK, QPSK, QAM constellations 16, 64, and 256 Channel BW (1.7, 5, 6, 7, 8, and 10) MHz Soft demodulation FFT size (1, 2, 4, 8, 16, and 32) K
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详情

The demodulator is designed to be used together with an RF tuner, and an analog to digital converter. The system has an internal state machine to control the operation, and can be externally configured via the SPI interface. This design is a DVB-T2 OFDM demodulator, supplied as a portable and synthesizable Verilog-2001 IP. The system was designed to be used in conjunction with a standard RF tuner. QAM signal constellations are supported, including QAM16, QAM64 and QAM256. QPSK, and BPSK are also supported. The operation of the demodulator is automated by a master finite state machine. The LDPC block and the BCH decoder deal with short frame and normal frame types. The LDPC decoder decodes iteratively following the minimum-sum algorithm. The BCH decoder can correct up to 12 bits, or 10 bits per code-word, depending on the frame type and coding rate. The other two BICM chains are used for signaling and parameter passing.

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