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CXD1961AQ

Features: • Dual 6 bit A/D converter• QPSK demodulator Multi-symbol rate operation Nyquist Roll off filter (a = 0.35) Clock recovery circuit Carrier recovery circuit AGC control (PWM output)• Viterbi decoder Constraint length 7 Truncation length 144 BER monitor of QPSK demodula...

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SeekIC No. : 004318473 Detail

CXD1961AQ: Features: • Dual 6 bit A/D converter• QPSK demodulator Multi-symbol rate operation Nyquist Roll off filter (a = 0.35) Clock recovery circuit Carrier recovery circuit AGC control (PWM o...

CXD1961AQ Data Sheet

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Part Number:
CXD1961AQ
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/12/21

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Product Details

Description



Features:

• Dual 6 bit A/D converter
• QPSK demodulator Multi-symbol rate operation
  Nyquist Roll off filter (a = 0.35) Clock recovery circuit
   Carrier recovery circuit AGC control (PWM output)
• Viterbi decoder Constraint length 7 Truncation length 144
   BER monitor of QPSK demodulator output
• Frame synchronization circuit
• Convolutional de-interleaver
• Reed-Solomon decoder (204,188) BER monitor of Viterbi decoder output
• Energy dispersal descrambler
• CPU interface circuit I2C bus interface (5V input capability)
• Package QFP 100pin
• Operating frequency 20 to 30MSPS
• Power consumption 750mW (@3.3V 30MSPS typical)
• Process 0.4m CMOS Technology


Application

DVB-S Set Top Box (Satellite)


Specifications

Power Supply VDD 0.5 to +4.6 V
Input Voltage VIN 0.5 to VDD + 0.5 V
Output Voltage VOUT 0.5 to VDD + 0.5 V
I/O Voltage VI/O 0.5 to VDD + 0.5 V
CPU I/F pin Vcpuif 0.5 to +5.5 V
Storage Temperature Tstg 55 to +150 °C



Description

The CXD1961AQ is a single chip DVB compliant Satellite Broadcasting Frontend IC, including dual A/D converter for analog baseband I/Q input, QPSK demodulator, Viterbi decoder Reed-Solomon decoder and Energy Dispersal descrambler. It is suitable for use in a DVB Integrated Receiver Decoder.




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