L64733C
®
L64733C/L64734 Tuner and Satellite Receiver Chipset
The L64733C/734 chipset is designed for satellite broadcast digital TV. It is pliant with the European digital video broadcast (DVB-S) standard, as well as the technical specifications for DSS systems. The L64733C/734 chipset forms a plete “L-band-to-bits” system. A typical application of the L64733C/734 chipset is satellite digital TV reception in accordance with the ETS 300 421 standard. Figure 1 shows the L64733C/734 chipset satellite receiver implemented in a typical satellite receiver set-top decoder. Figure 1 Set-Top Box Block Diagram
27 MHz VCXO
FLASH
SDRAM-B
SDRAM-A
Expansion Bus Analog Audio Analog CVBS Analog Y/C Analog RGB Digital Video
Satellite RF Signal
L64733C Tuner
L64734 Demodulator
OP AMPs SC2000 Single-Chip Source Decoder
Serial Bus
IEEE 1284
Smart Cards
RS232-C Interface
CODEC
I/R Rx & Tx
GPIO Pins
The L64733C Tuner IC directly down-converts the satellite signal from L-band to baseband;...
