Description
The MVD DVB-C Modulator J.83
Annex A/C core
is a drop-in module that includes the
following functions:
- Input data framer from DVB-SPI
source (MPEG-TS flow)
- J83AC modulator
- Energy dispersal
- Reed Solomon encoder
- QAM symbol mapper
- Output for complex DAC (2 x8
bits)
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Features
- ITU-T J.83 Annex A/C, DVB-C (ETS
300 429) compliant baseband
transmitter for Cable Modem
Termination Systems (CMTS)
- Drop-in module for
Spartan™-3/E/A,
Virtex-4™ and
Virtex-5™ FPGAs
- Single clock (up to 140 MHz+ for
Spartan-3™, 180 MHz+
for Virtex-4™ and
Virtex-5™)
- Robust SPI input (discarding of
incorrect input packets)
- PCR re-stamping
- Supports programmable symbol
rates
- Programmable 16, 32, 64, 128 and
256 QAM Symbol Mapping
- Base band output for complex DAC
(2 x 8 bits)
- Single channel - support for
multiple channels
- Full synthetizable RTL VHDL
design (not delivered) for
easy customization
- Design delivered as Netlist
- MER > 42 dB
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DVB-C J.83 Annex
A/C modulator - RF output with AD9789 DAC
