[Elecraft] Specs KIO3-B internal sound card

[Ed Muns]

I think the chip is the two-channel TI PCM2902.

73,
Ed W0YK
On Sep 19, 2017 3:55 PM, Udo Langenohl - DK5YA <dk5ya at dk5ya.de> wrote:
>
> Thanks Christopher,
>
> compared to high quality external devices SNR and THD+N is rather poor. 
> And so is the dynamic range and the max. sampling rate of just 48KHz.
> Rather disappointing, to be honest.
>
> 73 Udo, DK5YA
>
> Am 20.09.2017 um 00:24 schrieb Christopher Hoover:
> > The circuit is based on PCM2901 <<http://www.ti.com/product/PCM2901>>
> > 
> > 
> > 
> > 
> > On Tue, Sep 19, 2017 at 2:05 PM, Udo Langenohl - DK5YA <dk5ya at dk5ya.de 
> > <mailto:dk5ya at dk5ya.de>> wrote:
> > 
> >     Gentleman,
> > 
> >     I'm looking for specs of the internal sound device which is part of
> >     the KIO3B board but couldn't find any on the Elecraft web site.
> >     Anybody out there who's got detailed information?
> > 
> >     I.e.:
> >     Sample Rates
> >     Frequency Response
> >     Dynamic Range
> >     THD+N
> >     Noise EIN
> >     THD+N Outputs
> > 
> >     I'm just preparing all the stuff we gonna take with us for our
> >     144/432 EME DXPedition to DU (DX7EME) in November and I would like
> >     to reduce parts we have to carry as much as I can. We have two K3
> >     with us, usually connected to very high quality external sound
> >     devices (Focusrite Scarlett, Delta 44). Since we are doing
> >     moonbounce (JT65b) and each and every dB counts we are focussing on
> >     lowest noise possible in our sound devices. If the internal sound
> >     card of the KIO3B will meet our needs we could propably reduce
> >     weight and lower all the cable mess a lot.
> > 
> >     73 Udo, on behalf of DX7EME team
> > 
> >     P.S.: Anybody in the group using the internal sound device on EME?
> >     P.P.S.: I'be ordered a KIO3B already and will upgrade one of the
> >     K3's at the end of the week, delivery permitting.
> > 
> >     -- 
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