[Elecraft] Different focus
Wayne Burdick
n6kr at elecraft.com
Sun Jan 24 11:59:40 EST 2021
The short answer is "yes."
In the K4 it takes the form of distributed processing, including multiple high-speed FPGAs in the demodulation path, a new DSP that's twice as fast any we've used before, and virtually unlimited resources in our main processor.
It's also a very modular radio. For example, if a higher-performance A-to-D converter becomes available in the future, we'll be able to offer an upgraded digital downconversion module.
73,
Wayne
N6KR
> On Jan 24, 2021, at 8:35 AM, <evert at pa2kw.com> <evert at pa2kw.com> wrote:
>
> For many years dynamic range and other receiver performance figures (see Sherwood) and digital “features” like NB, NR, APF, Notch etc got a lot of attention (which was good).
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> The transition from hardware to software opened a new world of possibilities.
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> But ….
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> Today, most of us are battling near-field man made noise instead of receiver overload.
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> Reality tells us that this noise is not going to reduce the next decade or so.
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> Receivers will outperform competitors if they enable noise reduction and improve S/N ratio.
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> This will be a combi of hardware (antenna’s and receivers) and smart software solutions (algorithms etc.)
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> Just wondering if during the K4 design this “chance” was considered and if so, how this was implemented ?
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> 73, Evert PA2KW
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> (waiting for the K4 kit)
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