CLC034

更新时间： 2024-09-22 22:50:31

品牌	Logo	应用领域
美国国家半导体 - NSC		/
页数	文件大小	规格书
6页	462K
描述
SMPTE 292M / 259M Adaptive Cable Equalizer

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CLC034 数据手册

PRELIMINARY

February 2005

CLC034

SMPTE 292M / 259M Adaptive Cable Equalizer

General Description

Features

n SMPTE 292M, SMPTE 344M and SMPTE 259M

compliant

The CLC034 SMPTE 292M / 259M adaptive cable equalizer

is a monolithic integrated circuit for equalizing data transmit-

ted over cable (or any media with similar dispersive loss

characteristics). The equalizer operates over a wide range of

data rates from 143 Mbps to 1.485 Gbps and supports

SMPTE 292M, SMPTE 344M and SMPTE 259M.

n Supports DVB-ASI at 270Mbps

n High data rates: 143 Mbps to 1.485 Gbps

n Equalizes up to 140 meters of Belden 1694A at 1.485

Gbps or up to 350 meters of Belden 1694A at 270 Mbps

n Manual bypass, cable length indicator, and output mute

with a programmable threshold

n Single-ended or differential input

n 50Ω differential outputs

The CLC034 implements DC restoration to correctly handle

pathological data conditions. DC restoration can be by-

passed for low data rate applications. The equalizer is flex-

ible in allowing either single-ended or differential input drive.

Additional features include a combined carrier detect and

output mute pin which mutes the output when no signal is

present. A programmable mute reference is used to mute the

output at a selectable level of signal degradation. A cable

length indicator is provided to determine the amount of cable

being equalized.

n Single 3.3V supply operation

n Replaces the GS1524

Applications

n SMPTE 292M, SMPTE 344M, and SMPTE 259M serial

digital interfaces

Typical Application

20085901

DS200859

www.national.com

12 3 4 5 6

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