VLSI VES1820
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A DVB-C Demodulator. Formerly produced by VLSI Technology, prior to acquisition by Philips. Successor is the TDA10021 produced by Philips Semiconductors.
A Linux driver exists but is known to have problems in some networks with high-order modulation schemes like 128-QAM or 256-QAM.
Used e.g. on the Siemens and TechnoTrend DVB-C cards with onboard MPEG-decoder.