[opendtv] Re: DVB Receiver Standard

  • From: "John Shutt" <shuttj@xxxxxxxxx>
  • To: <opendtv@xxxxxxxxxxxxx>
  • Date: Tue, 6 Dec 2005 17:34:31 -0500

It's not just how stringent the requirements of a standard are, but how 
economically they can be achieved in a real world receiver.


----- Original Message ----- 
From: "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx>

> Interestingly, the terrestrial receiver requirements are not all
> that stringent, at least comparing the performance minima set
> for 3.3 b/s/Hz (equivalent to 8-VSB). This includes sensitivity,
> dynamic range, adjacent channel rejection, co-channel rejection,
> and C/N margins required in gaussian noise or with a single 0 dB
> echo. In all the above, A/74 is similar or more stringent, where
> it gives goals, or the newer ATSC receivers themselves measure
> within these specs, even when A/74 does not explicitly state a
> goal.

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