BCM3034 Features
• Integrated QAMLink Advanced downstream modulator
• Supports 4, 16, 32, 64, 128, 256, 512 and 1024 QAM
• Variable symbol rates up to 10 Mbaud
• Programmable 80-tap dual square-root Nyquist filters
• Programmable complex 24-tap T/2 pre-distortion filter
• Digital interpolation filters
• Quadrature direct digital frequency synthesizer and upconverter
• X/sinX filter for DAC distortion compensation
• Fully integrated ITU-T J.83 Annex A
(DVB/DAVIC/EuroDOCSIS /IEEE802.14), Annex B
(DigiCipher II®/SCTE/DOCSIS/IEEE 802.14 and Annex C (Japan) FEC encoder
• All codes extended to support 512/1024-QAM
• On chip 64K static RAM for interleaving
• Integrated 10-bit digital-to-analog converter
• Integrated additional burst modulator for power management of CPE equipment
• Optional 12- or 14-bit digital IF output for external DAC
• I2C or SPI-compatible microcontroller interface
• JTAG test interface
• 128-pin PQFP package
• Operates over industrial temperature range (-40 to +85 degrees C)
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