[Elecraft] P3IQ
Wayne Burdick
n6kr at elecraft.com
Sat Jul 28 09:30:12 EDT 2018
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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