[linux-dvb] Re: Status of HDTV5 lite?
mkrufky at linuxtv.org
Wed Oct 5 02:59:51 CEST 2005
> Michael Krufky wrote:
>> Luis Ochoa wrote:
>>> list like crazy for the past week or so, when you guys talk about the
>>> frontend, what is it? is it the actual part of the board that does the
>>> "tuning", the big metal box? Sorry for the noobiness here.
>> The big metal box is the TUNER... In your case, it's a LG-H062F ...
>> Inside that box, there is a tua6034 pll (this does the actual tuning),
>> tda9887 IF demod, and lgdt3303 atsc demod ... That last item is what
>> we have been referring to as a "frontend."
> I'm not certain as to the discussion Micheal & Luis are reffering too,
> but I would define the "frontend" of a card as being the both the tuner
> and demodulator(s). When the demodulator(s) is/(are) contained within
> the metal housing surrounding the tuner you will often find this
> referred to as a NIM (Network Interface Module) or, less frequently, as
> a ITD (Integrated Tuner Demodulator). But a frontend need not have
> its demodulator(s) contained within the tuner section -- examples of
> which are the pchdtv cards, which have their Oren demods exposed on the
> surface of the cards
CityK, thanks for the correction... LG-H062F is the NIM, tua6034 tuner,
and lgdt3303 demodulator.
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