[Elecraft] RX Test (long)

R. Kevin Stover rkstover at mchsi.com
Sat Jan 9 08:08:51 EST 2010


I suspect that's about it in a nutshell.
People have gotten used to listening to a certain level and quality of 
noise from the YaeKenIcom crowd that when presented with a receiver this 
good they are convinced it's "noisier". Noise, which used to be covered 
up or attenuated by phase noise or other crud in the other rigs isn't in 
the K3.

People simply haven't been hearing true reproductions of band noise 
etc... with the other rigs.

My own pet theory.

Al Lorona wrote:
> So what you are saying is the K3 is too quiet for its own good, and that's what makes it so noisy!
>
>
>
> ----- Original Message ----
> From: "Joe Subich, W4TV" <lists at subich.com>
> To: don at w3fpr.com; Al Lorona <alorona at sbcglobal.net>
> Cc: Elecraft Reflector <elecraft at mailman.qth.net>
> Sent: Fri, January 8, 2010 8:46:21 PM
> Subject: RE: [Elecraft] RX Test (long)
>
>
>
> However, the stopband also has 
> many leakage products (DAC artifacts) in the stopband some 
> of which are as much as 50 dB ABOVE the noise floor.  
>
> While these products are well below the desired audio in the 
> passband, they are "in the clear" as far a local noise.  
> This requires the ear/brain system to subconsciously work 
> to reject (filter) the undesired discrete frequency products. 
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-- 
R. Kevin Stover

ACØH



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