[Elecraft] P3IQ
Clay Autery
KY5G at montac.com
Sat Jul 28 11:13:30 EDT 2018
96kHz? I get 200kHz in the P3 now.... most decent audio interfaces are
192kHz....
I would set 192kHz as the MINIMUM spec.
______________________
Clay Autery, KY5G
(318) 518-1389
On 28-Jul-18 09:06, Volker.Debus at t-online.de wrote:
> Hi Wayne,
>
> as you stated, we only need it digital (e.g. USB)....
> What bandwidth shall be available - 96 kHz
>
> TNX
>
> Volker
>
> DL4ZBG
>
>
>
> -----Original-Nachricht-----
> Betreff: [Elecraft] P3IQ
> Datum: 2018-07-28T15:31:42+0200
> Von: "Wayne Burdick" <n6kr at elecraft.com>
> An: "donwilh at embarqmail.com" <donwilh at embarqmail.com>
>
> Nice explanation, Don.
>
> However, when we do an I/Q add-on for the P3, it will be fully digital (like a USB sound card), not analog (like the KX3’s RX I/Q outputs).
>
> These digital signals already exist in the P3; we just need to repackage them for use with a computer.
>
> Wayne
> N6KR
>
> Don Wilhelm wrote:
>
>> The KX3 has I/Q signals (and I/Q outputs) because the I/Q signals are at baseband (audio frequency spectrum). ....
>
>> The current fact is that the K3 I/Q signals exist, but they are only in the digital world. The P3 does extract them, but for purposes of the P3, they remain in the digital world.
>> Getting those signals into the analog world will take some work and design effort. It is more complex than a digital to analog converter.
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