[Elecraft] K3 Rev C DSP with Low Freq Enhancement

[Mike Harris]

G'day,

Would this module be available already fitted to a swap out DSP 
board?

Regards,

Mike VP8NO

----- Original Message ----- 
From: "Wayne Burdick" <n6kr at elecraft.com>
To: <no3m at no3m.net>
Cc: <elecraft at mailman.qth.net>
Sent: Tuesday, October 13, 2009 2:31 PM
Subject: Re: [Elecraft] K3 Rev C DSP with Low Freq Enhancement


>I believe the add-on LPF module for the DSP board will be available
> soon. We'll post details at that time. It's easy to install.
>
> The rolloff of this module is 4.5 kHz, and it completely 
> eliminates
> all high-frequency artifacts resulting from the CODEC's 12-kHz 
> sample
> rate.
>
> I can't hear the artifacts, which are typically 60 dB down from 
> even
> weak audio signals, but some operators with better ears apparently 
> can.
>
> 73,
> Wayne
> N6KR