[Elecraft] P3IQ

[Clay Autery]

The ability to manipulate the signals via software is a plus, and if it 
is done in software, one could also integrate the software via Win4K3 / 
com0com for CAT integration....  multiple ways to skin the "cat".  <smile>

73,

______________________
Clay Autery, KY5G
(318) 518-1389

On 28-Jul-18 10:01, Don Wilhelm wrote:
> Dave,
>
> My opinion is that there is no need for the SDRPlay, and you can have 
> better integration with the K3/P3.
>
> 73,
> Don W3FPR
>
> On 7/28/2018 10:11 AM, Dave Fugleberg wrote:
>> Aha, NOW the proposed add on module makes sense to me... assuming one 
>> already has a P3 (as I do), adding this will make the P3 appear as a 
>> USB device to SDR software on a PC (much like a SDRPlay or RTL SDR 
>> dongle. Correct?
>>
>> What will be the advantages of this versus connecting a SDRPlay, etc 
>> to the P3 IF Out?
>> On Sat, Jul 28, 2018 at 8:31 AM Wayne Burdick <n6kr at elecraft.com 
>> <mailto:n6kr at elecraft.com>> wrote:
>>
>>     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.