[hpsdr] Pico-ITX as possible processor for HPSDR?

[Philip Covington]

On 8/12/07, Chris Albertson <chrisalbertson90278 at yahoo.com> wrote:

> The new Yaesu FT-450 is an SDR although they don't market it as such.
> What they do say is the they digitize the signal at the IF stage
> and do all further processing including demodulation and filters
> digitally.  Sound like SDR to me.  The FT-450 uses an Analog
> Devices "Blackfin".  The neat thing about the Blackfin is that (1)
> the hole thing sell for between $14 and $28.  Compared to a
> "pico ITX" the AD chip is almost free.

What about the 16 bit DSP limitation of the Blackfin? The RISC CPU of
the Blackfin is 32 bits but the DSP engine is only 16. That sucks for
dynamic range and you might as well then not bother with a 24 bit ADC.

Phil N8VB

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