[opendtv] Re: opendtv Digest V2 #24

"all consumer analog TV tuners worldwide"

----- Original Message ----- 
From: "Dale Kelly" <dalekelly@xxxxxxxxxxx>
To: <opendtv@xxxxxxxxxxxxx>
Sent: Friday, January 28, 2005 6:06 PM
Subject: [opendtv] Re: opendtv Digest V2 #24


SJB Wrote:
> single conversion with narrow tracking filters, derived from standard
> analog tradition, but with improved-phase-noise converter chips (Philips,
> Infineon) for digital. These, as with all consumer analog TV tuners
> worldwide, incorporate a simple tracking filter of nominally 12 to 15 MHz
> bandwidth,

By "worldwide" I assume that you mean DVB-TV worldwide

It seems that you can construct a relatively good single conversion receiver
by incorporating a tracking filter and an LNA. If you intend to build an
inexpensive receiver, you eliminate those devices and forego their benefit,
which appears to be the current U.S. DTV model.


.



 
 
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