Extron electronics APP Bedienungsanleitung PDF herunterladen (Seite 31)

Cable Selection – Image Quality

• Contributors to digital

signal degradation

• Digital signal recovery is

based on receiver

’

s ability

signal

degradation

• Cable attenuation - length/quality

• Cable capacitance - length/quality

•Im

p

edance mismatch - connectors

based

on

receiver s

ability

to distinguish high and

low transitions

El dt it

p

• Noise coupling - cabling/products

• Crosstalk and jitter -

cabling/environment

•

E

ye c

l

oses

d

ue

t

o res

i

s

t

ance

and capacitance

• Transitions widen due to reflections,

noise, and crosstalk

• Result: bit errors

Digital System

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