Datasheet > GS9074A_09

GS9074A_09

更新时间： 2024-09-29 10:37:15

品牌	Logo	应用领域
GENNUM		/
页数	文件大小	规格书
17页	1465K
描述
HD-LINX II Adaptive Cable Equalizer

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GS9074A_09 数据手册

GS9074A HD-LINX® II Adaptive Cable Equalizer

Features

Description

•

SMPTE 259M compliant

The GS9074A is a second-generation high speed BiCMOS

integrated circuit designed to equalize and restore signals

received over 75Ωco-axial cable.

Automatic cable equalization

Multi-standard operation from 143Mb/s to 360Mb/s

Supports DVB-ASI at 270Mb/s

The GS9074A is designed to support SMPTE 259M, and is

optimized for performance at 270Mb/s.

Small footprint (4mm x 4mm)

The GS9074A features DC restoration to compensate for

the DC content of SMPTE pathological test patterns.

Pb-free and RoHS compliant

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 GS9074A output when an

approximate selected cable length is reached for SMPTE

259M signals. This feature allows the GS9074A to

distinguish between low amplitude SD-SDI signals and

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

the GS9074A may be forced to a mute state by applying a

voltage to the MUTE pin.

•

Performance optimized for 270Mb/s

Typical maximum equalized length of Belden 1694A

cable: 350m at 270Mb/s

•

50Ωdifferential output (with internal 50Ωpull-ups)

Manual output mute or programmable mute based on

max cable length adjust

•

Single 3.3V power supply operation

Power consumption is typically 215mW using a 3.3V

power supply. The GS9074A is lead-free, and the

encapsulation compound does not contain halogenated

flame retardant (RoHS compliant).

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

Applications

•

SMPTE 259M Coaxial Cable Serial Digital Interfaces

CABLE LENGTH ADJUSTOR

CARRIER DETECT

MCLADJ

MUTE

BYPASS

SDO

SDI

EQUALIZER

AGC

DC RESTORE

OUTPUT

Figure A: GS9074A Functional Block Diagram

GS9074A HD-LINX® II Adaptive Cable Equalizer

Data Sheet

1 of 17

Proprietary & Confidential

www.gennum.com

34166 - 4

November 2009

12 3 4 5 6 7...17

中文翻译

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