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부품번호 | CE6313 기능 |
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기능 | DVB-S Satellite Demodulator | ||
제조업체 | Intel | ||
로고 | |||
전체 24 페이지수
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CE6313
DVB-S Satellite Demodulator
Data Sheet
Features
• Conforms to EBU specification for DVB-S and
DirecTV specification for DSS
• On-chip digital filtering supports 1 - 45 MSps
symbol rates
• On-chip 60 or 90 MHz dual-ADC
• High speed scanning mode for blind symbol
rate/code rate acquisition
• Automatic spectral inversion resolution
• High level software interface for minimum
development time
• Up to ±22.5 MHz LNB frequency tracking
• DiSEqC™ v2.2: receive/transmit for full control of
LNB, dish and other components
• Compact 64-pin LQFP package (7 x 7 mm)
• A full DVB-S front-end reference design is
available, ref. CE9541
Applications
• DVB 1 - 45 MSps compliant satellite receivers
• DSS 20 MSps compliant satellite receivers
• SMATV (Single Master Antenna TV) trans-
modulators
• Satellite PC applications
May 2006
Ordering Information
DJCE6313 882131
WJCE6313 882207
64 Pin LQFP Trays
64 Pin LQFP* Trays
*Pb Free Matte Tin
0°C to +70°C
Description
The CE6313 is a QPSK/BPSK 1 - 45 MSps
demodulator and channel decoder for digital satellite
television transmissions to the European Broadcast
Union ETS 300 421 specification. It receives analogue
I and Q signals from the tuner, digitises and digitally
demodulates this signal, 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
CE6313 also provides automatic gain control to the RF
front-end device.
The CE6313 has a serial 2-wire bus interface to the
control microprocessor. Minimal software is required to
control the CE6313 because of the built in automatic
search and decode control functions.
I I/P
Q I/P
Dual ADC
De-rotator
Decimation
Filtering
Timing recovery
Matched filter
Phase recovery
DVB
DSS
FEC
MPEG/
DSS
Packets
Analog
AGC
Control
Clock Generation
Acquisition
Control
2-Wire Bus Bus I/O
Interface
Figure 1 - Functional Block Diagram
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CE6313
Data Sheet
List of Figures
Figure 1 - Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Figure 2 - CE6313 Pin Allocation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Figure 3 - CE6313 Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 4 - Typical Application Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 5 - Viterbi Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 6 - Viterbi Error Count Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 7 - Viterbi Error Count Coarse Indication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 8 - DVB Conceptual Diagram of the Convolutional De-Interleaver Block . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 9 - DSS Conceptual Diagram of the Convolutional De-Interleaver Block . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 10 - DVB Block Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 11 - DVB Energy Dispersal Conceptual Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 12 - DVB Energy Dispersal Conceptual Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 13 - CE6313 Control Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 14 - Primary 2-Wire Bus Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 15 - Crystal Oscillator Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 16 - Package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
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1.0 Application Diagram
CE6313
Data Sheet
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Figure 4 - Typical Application Schematic
7
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부품번호 | 상세설명 및 기능 | 제조사 |
CE6313 | DVB-S Satellite Demodulator | Intel |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |