new TV Tuner Chip, the Si2177

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Pete Zaitcev zaitcev at kotori.zaitcev.us
Sat Sep 21 05:17:12 UTC 2013


On Sat, 21 Sep 2013 02:43:14 +0200
Leif Asbrink <leif at sm5bsz.com> wrote:

> The bandwidth of the I/Q pair is too large to be transmitted 
> over USB for the reception of TV signals. After demodulation
> the bandwidth is lower so it would (marginally) fit an USB 
> interface if we talk about traditional analogue TV. For digital
> TV the bandwidth reduction by the decoder is much larger.

How much is actually needed? You know there's USB 3 these days,
which can transmit about a megabit with some change (due to
overhead).

-- Pete




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