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DVB-T/H modulator

DVB-T/H modulator
IP Vendor: 
MVD Cores
IP Target Vendor: 
Xilinx
IP Code Language: 
VHDL
IP Type: 
Design
IP Category: 
Audio, Video and Image Processing
IP Supported FPGA Device: 
Spartan-3
Spartan-3A
Spartan-3A DSP
Spartan-3E
Virtex-4 FX
Virtex-4 LX
Virtex-4 SX
Virtex-5 FXT
Virtex-5 LX
Virtex-5 LXT
Virtex-5 SXT
IP Description: 

Description

The MVD DVB-T/H modulator is a drop-in module that includes the following functions :

  • Input data framer from Microprocessor, DVB-SPI source (MPEG-TS flow)
  • DVB-T modulator
    • Energy dispersal
    • Reed Solomon encoder
    • Convolutional interleaver
    • FEC convolution encoder
    • Inner interleaver
    • QPSK/QAM symbol mapper
    • Framer with pilots & TPS inserter
    • IFFT and guard interval insertion
  • Flexible Digital Up Converter
  • Modulator for FI output
  • Output for simple DAC (14 bits) or complex DAC (2x16bits)

Features
 

  • ETSI, DVB-T/H (EN 300 744 V1.5.1) compliant baseband transmitter for Digital Terrestrial Television
  • Drop-in module for Virtex-5™, Virtex-4™ and Spartan™-3 FPGAs
  • Single clock (up to 140 MHz+ for Spartan-3™, 160 MHz+ for Virtex-4™ and 180 MHz+ for Virtex-5™)
  • Robust SPI input (discarding of incorrect input packets)
  • PCR re-stamping
  • Single channel, supports hierarchical transmission
  • Configurable Convolutional Rate
  • Configurable in-depth interleaving for DVB-H
  • Programmable QPSK, 16-QAM and 64-QAM Symbol Mapping
  • Configurable support for 2k, 8k and 4k (DVB-H) OFDM modes
  • Programmable Guard Interval (1/4, 1/8, 1/16, 1/32)
  • Supports variable channel width 5 to 8 MHz
  • Intermediate frequency output for single DAC (14 bits) or complex DAC (2 x 16 bits)
  • Full synthesizable RTL VHDL design (not delivered) for easy customization
  • Design delivered as Netlist
  • MER > 41dB

The DVB-T/H modulator modules an MPEG-TS DVB-SPI input into a OFDM output in base band or IF. 

DescriptionThe MVD DVB-T/H modulator is a drop-in module for FPGA that includes the following functions :

  • Input data framer from Microprocessor, DVB-SPI source (MPEG-TS flow)
  • DVB-T modulator
    • Energy dispersal
    • Reed Solomon encoder
    • Convolutional interleaver
    • FEC convolution encoder
    • Inner interleaver
    • QPSK/QAM symbol mapper
    • Framer with pilots & TPS inserter
    • IFFT and guard interval insertion
  • Flexible Digital Up Sampler
  • Modulator for FI output
  • Output for simple DAC (14 bits) or complex DAC (2x16bits)

Features

  • ETSI, DVB-T/H (EN 300 744 V1.5.1) compliant baseband transmitter for Digital Terrestrial Television
  • Drop-in module for Virtex-6™, Virtex-5™, Spartan-6™ and Spartan™-3/E/A/ FPGA
  • Single clock (up to 140 MHz+ for Spartan-3/6™, 180 MHz+ for Virtex-5/6™)
  • Robust SPI input (discarding of incorrect input packets)
  • PCR re-stamping
  • Single channel, supports hierarchical transmission
  • Configurable Convolutional Rate
  • Configurable in-depth interleaving for DVB-H
  • Programmable QPSK, 16-QAM and 64-QAM Symbol Mapping
  • Configurable support for 2k, 8k and 4k (DVB-H) OFDM modes
  • Programmable Guard Interval (1/4, 1/8, 1/16, 1/32)
  • Supports variable channel width 5 to 8 MHz
  • Intermediate frequency output for single DAC (14 bits) or complex DAC (2 x 16 bits)
  • Full synthesizable RTL VHDL design (not delivered) for easy customization
  • Design delivered as Netlist
  • MER > 42dB
  • Carrier suppression > 45dB

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