I simply don't fret about the cost of the PC I use with the
SDR. To me it is about the least expensive component that
there is to the whole system. It is also a piece that you can
give to some non radio person to use for whatever else should
you not like it or can't use it.

Consider the cost of a perfectly workable PC and a soundcard
needed for the SDR-1000 and compare it against some common
radio specific accessories that you may add to a tradtional
radio:

Plenty good enough PC $500
Proper sound card $150-250

While that may seem like a sizeable chunk of money at first
it really isn't when you consider that the typical crystal
filter used in the more traditonal radio designs will set you
back anywhere from $100-200 a piece. For a non DSP radio you
would be considering up to 3 or 4 of them. That's a big chunk
of change for something that does nothing but filter. That
same amount of money spent in the land of PC based SDR's
represents major portions of the radio's IF, AF, Filter, UI
display etc.

Then there is this new trend to offer extra RF bandpass
filtering as a several hundred dollar option to a radio that
already costs $3K. Once again if that BP filter doesn't do
what you thought it would you won't be giving it to the grand
kids to play games on that's for sure. That $750 PC/Soundcard
on the other hand could very well be used for such things.

Duane
N9DG 

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