Signal quality loss?

HannibalX

Diamond Member
May 12, 2000
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I just ordered a 15ft DVI cable from Newegg to replace my 4ft stocker cable.

Is the length of the cable going to cause any loss in signal quality? I have never heard of this happening but was curious.
 

Lord Evermore

Diamond Member
Oct 10, 1999
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Might depend on the quality of the cable. Here's one brand's info:

Copper based cables available at lengths of 1,6,10,15,25,30,40 and 50 feet. Cable lengths 1-15' are good for use with displays at resolutions of 1920x1200. Cable lengths within 50' are good for use with displays at resolutions of 1280x1024.
 

Talcite

Senior member
Apr 18, 2006
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DVI was pretty much engineered not to lose signal. It digitally rebuilds the signal at the recieving end. Unless you lose both parts of the signal, you won't have signal loss. 5m is well within the DVI specification. I had them on sale at the place I used to work at all the time.
 

w00t

Diamond Member
Nov 5, 2004
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Originally posted by: Talcite
DVI was pretty much engineered not to lose signal. It digitally rebuilds the signal at the recieving end. Unless you lose both parts of the signal, you won't have signal loss. 5m is well within the DVI specification. I had them on sale at the place I used to work at all the time.


Impressive
 

Geomagick

Golden Member
Dec 3, 1999
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On really long runs there is some attenuation of the signal which can affect displays at higher resolutions. However this is only really going to affect someone using a 1080p projector with a long hidden cable installation.
 

JimPhelpsMI

Golden Member
Oct 8, 2004
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Hi, There is loss in any cable or wire. Any wire has a resistance although very small. The bigger and/or shorter the wire the less loss occurs. Loss is Current X Resistance = Voltage. Probably insignificant in your case.

Good Luck, Jim
 

NanoStuff

Banned
Mar 23, 2006
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Originally posted by: JimPhelpsMI
Hi, There is loss in any cable or wire. Any wire has a resistance although very small. The bigger and/or shorter the wire the less loss occurs. Loss is Current X Resistance = Voltage. Probably insignificant in your case.

Good Luck, Jim
A loss in signal strength is not necessarily a loss in quality, particularly for digital signals. You obviously didn't consider that.
 

NaOH

Diamond Member
Mar 2, 2006
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No. it is not an analog signal which could be affected with a slight loss of signal quality. It is either off or on.
 

JimPhelpsMI

Golden Member
Oct 8, 2004
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Hi Nano, Thanks for the correction. I merely stated the facts about resistance. Did you consider the effects about inductance and capacitance in the the cables. Obviously you don't know much about electronics. This is still a forum isn't it?

Jim