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VP310CGGQ1R Datasheet

  • VP310CGGQ1R

  • Satellite Channel Decoder

  • 31頁

  • MITEL

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VP310
Satellite Channel Decoder
Preliminary Information
SHORTFORM TECHNICAL MANUAL
DS5155 -1.00 21/04/99
Ordering Information
VP310 - Key Features
VP310 CG GQ1R
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Conforms to EBU specification for DVB-S and DirecTV specification for DSS.
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On-chip digital filtering supports 1 to 45MBaud Symbol rates.
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On-chip 6-bit 60 or 90MHz dual-ADC.
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High speed scanning mode for blind symbol rate and code rate acquisition.
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Up to 鹵 15MHz LNB frequency tracking.
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Fully digital timing and phase recovery loops.
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High level software interface for minimum development time.
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DiSEqC鈩?v1.1: control outputs for full control of LNB and dish.
Applications
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DVB 1 to 45MBaud compliant satellite receivers.
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DSS 20MBaud compliant satellite receivers.
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SCPC receivers. (Single Channel Per Carrier)
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SMATV trans-modulators. (Single Master Antenna TV)
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LMDS. (Local Multipoint Distribution Service)
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Satellite PC applications.
The VP310 is a QPSK/BPSK 1 to 45MBaud demodulator and channel decoder for
digital satellite television transmissions to the European Broadcast Union ETS 300 421
specification. It receives analog I and Q signals from the tuner, digitises and digitally
demodulates this signal, and implements the complete DVB/DSS FEC (Forward Error
Correction), and de-scrambling function. The output is in the form of MPEG2 or DSS
transport stream data packets. The VP310 also provides automatic gain control to the
RF front-end devices.
The VP310 has a serial I虜C port interface to the control microprocessor. Minimal
software is required to control the VP310 because of the built in automatic search and
decode control functions.

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