With the switch to digital TV broadcasts, owners of TVs with analog (NTSC) tuners must utilize a digital-to-analog converter box or find an alternative for receiving the new digital channels with an antenna. All TVs (including HDTVs) manufactured after March 2007 are equipped with a digital (ATSC) tuner, meaning a converter box is not necessary; but, depending on how the viewer receives channels, an antenna may not be required either. Writer Bio
