[opendtv] Re: (No Date: Tue, 28 Sep 2004 10:30:37 -0400

  • From: "Allen Le Roy Limberg" <allimberg@xxxxxxxxxxxx>
  • To: <opendtv@xxxxxxxxxxxxx>
  • Date: Fri, 15 Oct 2004 17:45:11 -0400

Smaller capacitances to charge allows lower current levels for given speed,
which reduces power consumption.

Al Limberg
----- Original Message ----- 
From: "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx>
To: "OpenDTV (E-mail)" <opendtv@xxxxxxxxxxxxx>
Sent: Friday, October 15, 2004 5:38 PM
Subject: [opendtv] Re: (No Date: Tue, 28 Sep 2004 10:30:37 -0400


> Frank Eory wrote:
>
> > Bert is fond of invoking Moore's Law to argue that
> > in time, the cost differences due to silicon area
> > between COFDM and 8-VSB will be in the noise.
>
> Correct. I'll stick with my original $35 prediction
> for built-in ATSC receivers by 2007. I was going to
> hedge, and say that an extension of NTSC shutdown to
> 2009 might delay that. But perhaps such CYA behavior
> is uncalled for, because the tuner mandate does not
> change its schedule even if the shutoff date is
> extended (that I know of).
>
> > But Moore's Law doesn't apply to power dissipation.
> > In fact, the power problem keeps getting worse as
> > CMOS geometries continue to shrink. The desktop PC
> > solution to this problem -- a massive heatsink & fan
> > -- will never fly in the CE world.
>
> And yet, Pentium 4s are also available in battery
> powered lap tops.
>
> Correct me if I'm wrong, but with shrinking CMOS
> comes a mandatory reduction in voltage, to prevent
> arching. Doesn't this result in power reduction
> as well? The 18 um of today's ATSC receivers
> might have seemed bleeding edge in 2000, but it's
> very mature technology today, right? Not positive
> about the LG receiver, but the Linx did use 18 um,
> no different from the 2nd gen receivers.
>
> Bert
>
>
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