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06/01/2004
Digitally Modulated Carrier CNR
We have, for as long as I can remember, been concerned with carrier-to-noise ratio (C/N or CNR) in our networks. CNR, in cable industry vernacular, is a pre-detection measurement—that is, a measurement made in the frequency domain. By definition, CNR is the difference, in decibels, between the amplitude of an RF signal and the amplitude of noise present in the RF signal’s transmission path.
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05/26/2004
Honors
BET led the nominations for Cable Positive’s 3rd annual POP Awards, with 6 . The POPs recognize outstanding HIV/AIDs-related cable programming. Winners will be announced at a ceremony June 22 in NY. Fellow Viacom- [VIA] net Showtime was 2nd in noms with 4, while HBO and MTV each earned 3 and VH1 received 2. A&E, […]
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05/01/2004
Tackling Serious Ingress
Those of you who read this column regularly know that I'm a ham radio operator. I've written about ham radio-related interference in the past, most recently in the April 2003 issue (http://www.broadband-pbimedia.com/archives/ct/0403/0403_broadband.html). Here's an interference story you may find enlightening.
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05/01/2004
Is Your VOD Interface Nasty?
Cable operators appear increasingly eager to get the Data Over Cable Service Interface Specification (DOCSIS) into the set-top box. The potential benefits include efficiency, flexibility and new revenue.
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04/30/2004
Don't Miss
Your plane to New Orleans … it’s way down yonder by the bend in that little stream, below sea level, so pack appropriately. If you go tomorrow, take in the last of the Jazz Festival and hope you find a place to eat. — On Sunday, stuff starts. Cool stuff. I don’t know if you […]
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