L64734
L64733/L64734 Tuner and Satellite Receiver Chipset
The L64733/34 chipset is designed specifically to meet the needs of satellite broadcast digital TV and is pliant with the European digital video broadcast (DVB-S) standard and the technical specifications for DSS systems. The chipset forms a plete “L-Band to bits” system. A typical application of the L64733/34 chipset is satellite digital TV reception in accordance with ETS 300 421. Figure 1 shows the L64733/34 chipset satellite receiver implemented in a typical satellite receiver set-top decoder box. Figure 1 Block Diagram of Set-Top Decoder Box Using the L64733/34 Chipset
Optional DRAM 256K x 16 L64733/L64734 Chipset Satellite In RF Out (Loop Through) L64733 L64734 CO [7:0] Optional Decryption Engine
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Transport Demux 8
/ 8
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High-Speed Port
Microprocessor Data and Address Bus
/ 2
27 MHz VCXO
Microprocessor
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Audio Oversampling Clock
NTSC PAL S-Video L-Speaker R-Speaker
PAL / NTSC Encoder
CCIR601VIDEO
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