[Elecraft] K3 DSP processor speed

[Steve Ellington]

The IC-7851 consumes *200 Watts in RECEIVE mode!*
The K3.....About 12 watts.

On Mon, Nov 9, 2015 at 9:46 PM, Wayne Burdick <n6kr at elecraft.com> wrote:

> The K3's DSP code is written in very efficient assembly language. It
> executes quickly, because it doesn't need the lengthy library-routine calls
> typical of the C or C++ code written for GHz-clock DSPs. The code is also
> extremely compact.
>
> The crystal oscillator frequency is not a direct indicator of clock speed.
> An on-chip PLL multiples it to a much higher frequency. And again,
> efficient DSP code written for 48-kHz IF/12-kHz AF sample rates doesn't
> require a lot of time to execute.
>
> This same philosophy applies to the K3's microcontroller. One result is
> that a K3 draws far less current in receive mode than most desktop
> transceivers.
>
> The K3's NR has a lot of flexibility (with 32 settings), and some
> experimentation is required for best results.
>
> 73,
> Wayne
> N6KR
>
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