VES1820X
FEATURES
- 16/32/64/128/256 QAM demodulator (DVB-C patible : ETS 300-429).
- On chip 9-bit ADC.
- On chip PLL for crystal frequency multiplication.
- Digital down conversion.
- Half Nyquist filters (roll off = 15 %).
- Automatic gain control PWM output (AGC).
- Symbol timing recovery, with programmable second order loop filter.
- Variable symbol rate capability from SACLK/64 to SACLK/4 (SACLK max = 36 MHz)
- Programmable anti-aliasing filters.
- Full digital carrier recovery loop.
- Carrier acquisition range up to 8 % of symbol rate.
- Integrated adaptative equalizer (Linear Transversal Equalizer or Decision Feedback Equalizer).
- On chip FEC decoder (Deinterleaver & RS decoder), full DVB-C pliant.
- DVB patible differential decoding and mapping.
- Parallel or serial transport stream interface.
- I2C bus interface, for easy control.
- CMOS 0.35µm technology.
APPLICATIONS
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- DVB-C fully patible. Digital data transmission using QAM modulations. Cable demodulation. Cable modems...
