Perhaps a bit more explanatory
The K2 is definitely not an SDR. The K2 uses traditional rf amps, mixers, if
amplifier, crystal filters in the if and a product detector, followed by an
audio amp, none of which are defined in software. Elecraft does offer an add on
audio DSP option which wor
The K2 is definitely not an SDR. The K2 uses traditional rf amps, mixers, if
amps, crystal filters in the if, and a product detector, followed by an audio
amp. Elecraft does offer an add on audio DSP option which works quite well.
JIm, W4ATK
On Dec 24, 2012, at 7:39 AM, Mike Reublin wrote:
>
Maybe some light would be shed if those who think the K2 is NOT a SDR would
detail why.
73, Mike NF4L
On Dec 23, 2012, at 5:55 PM, Rick Tavan N6XI wrote:
> I dunno, folks, we may be gilding lilies trying to define SDR. If software
> handles modulation and demodulation, that's SDR to me. The K3
I dunno, folks, we may be gilding lilies trying to define SDR. If software
handles modulation and demodulation, that's SDR to me. The K3 and KX3 both
fit fine.
/Rick
On Sun, Dec 23, 2012 at 10:34 AM, John Lawrence wrote:
>
>
>
> Don
>
> As I'd expect, you did a beautiful job summarizing the di
> I'd call the K3 a hybrid SDR and the KX3 a true SDR?
No - both are hybrid SDRs if that's the term you want to apply.
The K3 is a traditional IF based superhetrodyne/SDR where the
KX3 is a "zero IF" or direct conversion SDR. The K3 uses two
stages of IF - 8.125 MHz and 15 KHz - with SDR modula
Don
As I'd expect, you did a beautiful job summarizing the difference between the
K3 and KX3
design architecture.
I'd call the K3 a hybrid SDR and the KX3 a true SDR?
What's interesting to me comes from looking at the leap forward in component
technology to make
direct SDR from RF poss
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