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ES1983S +BOM

Modem

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 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 = 171 8 G2 = 1338 VBER measurement provided.
  • Convolutional deinterleaver and Reed Solomon decoder according to DVB and DSS specifications.
  • Automatic Frame Synchronization.
  • Selectable DVB-S descrambling.
  • I2C bus interface.
  • 100-pin MQFP package.
  • CMOS technology (0.35 µm 3.3V).

Specifications

Part Life Cycle Code Contact Manufacturer Reach Compliance Code

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