L64733C LSI Logic Corporation, L64733C Datasheet

L64733C

Manufacturer Part Number

L64733C

Description

Tuner And Satellite Receiver Chipset Data Sheet 2/01

Manufacturer

LSI Logic Corporation

Datasheet

1.L64733C.pdf (52 pages)

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L64733C/L64734 Tuner and

Satellite Receiver Chipset

Datasheet

Figure 1

RF Signal

Satellite

Set-Top Box Block Diagram

L64733C

Tuner

The L64733C/734 chipset is designed for satellite broadcast digital TV. It

is compliant with the European digital video broadcast (DVB-S) standard,

as well as the technical speciﬁcations for DSS systems. The

L64733C/734 chipset forms a complete “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.

The L64733C Tuner IC directly down-converts the satellite signal from

L-band to baseband; it includes an on-chip synthesizer. Using frequency

information programmed into its conﬁguration registers, the L64734

Satellite Receiver generates control signals for the L64733C synthesizer.

The L64734 also controls the programming of the low-pass ﬁlters on the

February 2001

Expansion

IEEE

1284

Bus

Demodulator

L64734

FLASH

Serial Bus

Smart

Cards

SDRAM-B

RS232-C

Interface

Source Decoder

Single-Chip

SC2000

SDRAM-A

CODEC

Rx & Tx

27 MHz

VCXO

I/R

AMPs

GPIO

Analog CVBS

Analog Y/C

Analog RGB

Digital Video

Pins

Analog

Audio

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