The CEA-909 standard calls out two different communications modes, A and B. Mode A is unidirectional, namely tv/convertor box to antenna only. Mode B is bidirectional, where in the smart antenna and tv/convertor box talk to one another. By far mode B is the best way to go… but nothing is ever simple. The problem […]
Tag: smart antenna
Digital TV Smart Antenna Connector
CEA-909 appears to have chosen a legacy connector for the smart antenna interface. Its the old DEC MMJ, and while it was a common part years back (even Digikey stocked the Amp 5-555237-2) the offset modular plug has long since seen its days come and go. Fortunately Cxtec still has some, and they are clearanced […]
DTV transition headaches
Well, Feb 17th has come and gone, but not without some issues for me here in southeast MN. Some of it is due to partial transitions, much of it is due to multipath problems as stations changed their real channel frequencies.For folks close to the tower, no problem, for folks like me in fringe areas, […]