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VES1993 - SINGLE CHIP SATELLITE CHANNEL RECEIVER

General Description

The VES 1993 is a single-chip channel receiver for satellite television reception which matches both DSS and DVB-S standards.

Key Features

  • DSS and DVB-S compatible single chip demodulator & forward error correction.
  • Dual 6-bit ADC on chip.
  • PLL for crystal frequency multiplication.
  • Variable rate BPSK/QPSK coherent demodulator.
  • Modulation rate from 1 to 45MBaud.
  • Automatic Gain Control output.
  • Digital symbol timing recovery : Acquisition range up to ±240ppm.
  • Digital carrier recovery : Acquisition range up to ±12% of symbol rate.
  • Half Nyquist baseba.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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VES 1993 SINGLE CHIP SATELLITE CHANNEL RECEIVER FEATURES • DSS and DVB-S compatible single chip demodulator & forward error correction. • Dual 6-bit ADC on chip. • PLL for crystal frequency multiplication. • Variable rate BPSK/QPSK coherent demodulator. • Modulation rate from 1 to 45MBaud. • Automatic Gain Control output. • Digital symbol timing recovery : Acquisition range up to ±240ppm • Digital carrier recovery : Acquisition range up to ±12% of symbol rate • Half Nyquist baseband filters on chip roll-off = 0.35 for DVB and 0.2 for DSS • Channel quality estimation. • Viterbi decoder : Supported rates : from 1/2 to 8/9. Constraint length K = 7 with G1 = 1718 G2 = 1338 VBER measurement provided. • Convolutional deinterleaver and Reed Solomon decoder according to DVB and DSS specifications.