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*Ron Hranac
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02/01/2011
What’s A Codeword Or Two Among Friends?
During Communications Technology’s December 2010 “Did You Know?” Webcast, several participants asked about codewords, codeword errors and acceptable percentages of DOCSIS upstream codeword errors. A good way to answer these questions is first to define what a codeword is and how it applies to the world of data transmission over cable networks. All of this […]
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01/01/2011
Understanding Constant Power- Per-Carrier
“Constant power-per-carrier operation causes a fair amount of confusion, largely because of the observed change in the upstream signal’s 'haystack' height.”
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12/01/2010
Cable-Tec Expo Show Picks
What a difference a year makes. Well, perhaps also location. Mother Nature cooperated quite nicely for SCTE’s 2010 Cable-Tec Expo, held for the first time ever in New Orleans in late October. No snow and, thankfully, no hurricane. Despite the still dreadful economy, Expo 2010 managed to bring together more than 8,200 attendees and nearly […]
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11/01/2010
Why Use Terminators?
Transmission line theory tells us that when the impedances of a signal source, transmission medium—usually assumed to be lossless for analysis purposes—and load or termination are equal, all of the power in an incident wave transmitted by the source is absorbed by the load. When the impedance of, say, the load and transmission medium aren’t […]
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Premium Content
10/25/2010
Honors
CTAM board chair Sean Bratches of ESPN honored Warner Bros vp, worldwide marketing, programming and acquisitions Michele Edelman and Comcast svp, marketing Peter Intermaggio with the Chairman's Award at
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10/21/2010
Sunflower Broadband Accepts ‘System of the Year’ Award
“The state of Kansas has hosted Quantrill’s Raiders, Bat Masterson, Wyatt Earp, Carrie Nation (and her modern-day counterpart, a former Kansas attorney general who tried to bar airlines from serving liquor as they flew over the then-dry state) and President Dwight D. Eisenhower,” said Debra Baker, editor of Communications Technology magazine during yesterday’s SCTE Awards […]