Are you old enough to remember growing up with no more than three or four TV stations to watch…and something called a test pattern when the stations were not broadcasting? Yes, TV actually signed off ...

CRTs don’t last forever, and neither do the electronics that drive them. When you have a screen starting to go wonky, then you need a way to troubleshoot which is at fault. A great tool for that is a ...

Many digital-communications systems use non-return-to-zero (NRZ) signaling, and system designers have created many NRZ test patterns to test and verify their products. These patterns usually either ...