Do I need an analog TV Tuner to receive ATSC TV signal on Windows Vista Media Center?
No, Windows Vista Media Center does not require analog TV Tuner to receive ATSC TV signal. However, it is a requirement for Windows XP Media Center 2005. Windows Media center in the XP version does not support a digital tuner by itself; unfortunately that’s what this tuner is. It must be accompanied by an analog tuner in order for Media Center to recognize. This is a limitation of Microsoft and there is no way around it except get an alalog tuner to co-exist with it.