What does a tv tuner card do - Could Any Technologist help me

[naveenhifi]

Hello Techies,

I need this key info of what a tv tuner card does. It will be more helpful if i can be directed with a few links.

 

[MIKEFLorida]

This may give you a little more understanding. It basically turns your pc into a TV.

http://www.microsoft.com/windows98/usingwindows/fun/articles/902Feb/tv.asp

 

[naveenhifi]

Techies,
I need the hardware components used in the video card and their working( atleast a outlined block diagram ).I need the technical details please

 

[isselt]

What about these links

http://www.hut.fi/Misc/Electronics/circuits/vga2tv/computer_tv.html

http://www.hut.fi/Misc/Electronics/circuits/vga2tv/circuit.html

And if it's not suitable leave a message at the side.