Datasheet > L64733C/L64734

L64733C/L64734

更新时间： 2024-11-11 23:43:59

品牌	Logo	应用领域
其他 - ETC		接收机
页数	文件大小	规格书
52页	555K
描述
L64733C/L64734 Tuner and Satellite Receiver Chipset data sheet 2/01

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L64733C/L64734 数据手册

L64733C/L64734 Tuner and

Satellite Receiver Chipset

Datasheet

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.

Figure 1

Set-Top Box Block Diagram

27 MHz

VCXO

FLASH

SDRAM-B

SDRAM-A

Expansion

Bus

Analog

Audio

AMPs

Satellite

RF Signal

L64734

Demodulator

L64733C

Tuner

SC2000

Single-Chip

Source Decoder

Analog CVBS

Analog Y/C

Analog RGB

Digital Video

Serial Bus

IEEE

1284

Smart

Cards

RS232-C

Interface

I/R

Rx & Tx

GPIO

Pins

CODEC

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

12 3 4 5 6 7...52

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