Datasheet > GS1574A_11

GS1574A_11

更新时间： 2024-11-07 11:57:27

品牌	Logo	应用领域
GENNUM		/
页数	文件大小	规格书
16页	1506K
描述
HD-LINX II Adaptive Cable Equalizer

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GS1574A_11 数据手册

GS1574A HD-LINX® II Adaptive Cable Equalizer

Features

Description

•

SMPTE 292M and SMPTE 259M compliant

The GS1574A is a second-generation high-speed BiCMOS

integrated circuit designed to equalize and restore signals

received over 75Ω co-axial cable.

Automatic cable equalization

Multi-standard operation from 143Mb/s to 1.485Gb/s

Supports DVB-ASI at 270Mb/s

The GS1574A is designed to support SMPTE 292M and

SMPTE 259M, and is optimized for performance at 270Mb/s

and 1.485Gb/s.

Small footprint (4mm x 4mm)

Pb-free and RoHS compliant

The GS1574A features DC restoration to compensate for

the DC content of SMPTE pathological test patterns.

Manual bypass (useful for low data rates with slow

rise/fall times)

A voltage programmable mute threshold (MCLADJ) is

included to allow muting of the GS1574A output when an

approximate selected cable length is reached for SMPTE

259M signals. This feature allows the GS1574A to

distinguish between low amplitude SD-SDI signals and

noise at the input of the device. The serial digital outputs of

the GS1574A may be forced to a mute state by applying a

voltage to the MUTE pin.

•

Performance optimized for 270Mb/s and 1.485Gb/s

Typical equalized length of Belden 1694A cable: 200m

at 1.485Gb/s, 350m at 270Mb/s

•

50Ω differential output (with internal 50Ω pull-ups)

Manual output mute or programmable mute based on

max cable length adjust

•

Single 3.3V power supply operation

Operating temperature range: 0°C to +70°C

Power consumption is typically 215mW using a 3.3V

power supply. The GS1574A is lead-free, and the

encapsulation compound does not contain halogenated

flame retardant.

Application

•

SMPTE 292M and SMPTE 259M Coaxial Cable Serial

Digital Interfaces

This component and all homogeneous subcomponents are

RoHS compliant.

CABLE LENGTH ADJUSTOR

CARRIER DETECT

MCLADJ

MUTE

BYPASS

SDO

SDI

EQUALIZER

AGC

DC RESTORE

OUTPUT

Figure A: GS1574A Functional Block Diagram

GS1574A HD-LINX® II Adaptive Cable Equalizer

Data Sheet

1 of 16

www.gennum.com

33416 - 10

August 2011

12 3 4 5 6 7...16

中文翻译

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