VES1820X
Description
The VES1820X is a single chip channel receiver for 16, 32, 64, 128 and 256-QAM modulated signals.
Key Features
- 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
Applications
- DVB-C fully patible. Digital data transmission using QAM modulations. Cable demodulation. Cable modems MMDS (ETS 300-429)
