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| 供应商 | T2M |
|---|---|
| 型号 | DVB T2/T/C Modulator IP |
| 类型 | Soft IP |
| 到期日 | In Production |
| 源网址 | View more |
| 特征 | Compliant with ETSI EN 302 755 including T2-Lite. Enables rapid development of audio/visual systems using commodity Free-to-Air set-top-box technology and low-cost FPGAs. Configurable support for 1K, 2K, 4K, 8K, 16K and 32K OFDM modes. Integrated LDPC channel coder with short (16kb) or normal (64kb) frame support. Automatic L1-PRE/L1-POST padding and puncturing. Configurable support for 1/4, 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 1/3 and 2/5 code-rates. BPSK, QPSK, 16-QAM, 64-QAM and 256-QAM support. All pilot patterns supported : PP1¦PP8 SISO and/or MISO operation. Future Extension Frames (FEF) support. |
| 详情页 | View more |
| 附件链接 | http:// t-2-m.com |
DVB-T2 Modulator provides all the necessary processing steps to modulate a single transport stream into a complex I/Q signal for input to a pair of DACs or interpolating DAC devices such as the AD9857/AD9957 or RF- DACs such as the AD9789. Optionally the output can be selected as an IF to supply a single DAC. Additional extension cores are available for multiple- PLP (common/data) support, T2M interface support, and SFN deployment support. The design has been optimized to provide excellent performance in low-cost FPGA devices such as the Cyclone¤ range from Altera or the Spartan range from Xilinx
Processing Steps are following -:
TS Processing
Null packet deletion
CRC-8 Encoding
Baseband buffer and Padding
Baseband Scrambling
BCH, LDPC Encoders
Bit Interleaver and Demux
Mapping and Rotation
Cell and Timing Interleaving
T2 Frame builder
Frequency interleaving and Pilot insertion
IFFT
Resampler
Baseband-to-IF
DAC Aperture Correction
Radio Interface
Register Bank
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