Digital TV
McAdams On: Our Clunky Tech
It’s probably a form of sacrilege to refer to technology as “clunky” under the banner of a technology publication, but I refer primarily to what I use on a daily basis and how I’ve watched it evolve.
Auction-Displaced LPTV Costs Could Reach $1 Billion
McAdams On: Caveat Auctor
HBO, CBS Raise OTT Profile
McAdams On: SMPTE
Repercussions of Wheeler's 'Online Video' Blog
What Tom Said: About Appointment TV
IBC Reflections
Forward Thinker
C-SPAN Pay Wall Spotlights Multiplatform Challenge
It’s All Just ‘Television,’ Or Is It?
What Tom Said: Hatching the UHD Egg
Ready for YouTube’s Networks
CableCARD: Acknowledge the Inevitable
McAdams On: Ferguson Unraveling
A Look Back at Broadcast Engineering Magazine
 
Nov 07, 2014 / 03:00 PM
The FCC’s DTV Interference Dilemma
By now almost everyone knows the NAB has filed a lawsuit against the FCC over its spectrum auctions TV channel repack.
Oct 13, 2014 / 01:33 AM
Turned Off TV Sets Can Jam Signals
My colleague Linley Gumm and I accidentally discovered when we turned our RF test bed on for a second day of testing of inter-band interference, all seven of our DTV receivers failed to come on. Some had much greater jamming than in our tests two days earlier.
Aug 08, 2014 / 02:43 AM
How Will IBI Affect DTV Reception After Repacking?
Last month, we discussed third-order intermodulation products seldom covered in the technical literature: 2Fa + Fb, and 2Fb + Fa. We started with spectrum plots for two unmodulated carriers at the center of Ch. 9 (189 MHz) and Ch. 11 (201 MHz).
Jun 23, 2014 / 04:37 PM
Inter-Band RFI: Should Stations Worry?
All third-order intermodulation products, (IM3 and Triple Beats), occupy three contiguous channels, so there can be interference to reception on Chs. 30, 31, 32, 33, 34, and 35.
Apr 14, 2014 / 05:55 AM
Some Hope for Interference Issues
The most amazing finding from the FCC tests of converter boxes is the number of such toxic channel pairs there are.
Mar 12, 2014 / 04:00 AM
Detecting Unique DTV Reception Problems
His trouble started suddenly one evening when he discovered interference across the high VHF band that he had never had before.
Feb 01, 2014 / 06:34 PM
Moving Into an Interference-Limited Environment in 2015
This column has used the term “D/U ratio” (desired/ undesired) in describing how the FCC might repack the UHF TV spectrum.
Jan 13, 2014 / 02:09 PM
The Effects of ACI on UHF Channel Allotments
Last month, this column introduced a scheme for allocating UHF band channels by analyzing a set of contiguous channels for a given community.
Nov 18, 2013 / 06:00 PM
Minimizing DTV Interference After Channel Repacking
Last month we discussed the restrictions that the FCC must work under in repacking UHF broadcast spectrum.
Oct 09, 2013 / 06:13 AM
Repacking Likely to Multiply Interference
The FCC recently released details of how it will repack remaining TV spectrum in the UHF band.
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