Jim,
The Asus cards are about $60-$70 and my Steinberg was $120. It makes
no sense to spend that amount of money for a card for an application
that will work just fine with your computer's built in card. However,
you will need some additional "stuff", like isolation and a PTT method
if you don't use vox. That is why I recommend that something like a
SignLink USB, or equal, be used. To go some other way, the bottom line
costs will run you more than than either card to do it right. And, yes
there are really cheap cards out there for $20, but they just won't
perform for spectrum viewing.
I suggest looking at this for picking a card to view the spectrum:
http://www.telepostinc.com/soundcards.html and a SignaLink USB for its
simplicity to make work for running digital modes.
73,
Barry
K3NDM
------ Original Message ------
From: "Jim Brown" <[email protected]>
To: [email protected]
Sent: 1/19/2016 12:54:59 AM
Subject: Re: [Elecraft] USB Soundcard
On Mon,1/18/2016 8:35 PM, Barry LaZar wrote:
A card useful for spectrum is massive overkill for running the digital
modes.
Not if it's half the cost of the lower bandwidth units!
On Mon,1/18/2016 8:06 PM, Walter Underwood wrote:
There are some pretty convincing measurements that show that the
SignaLink USB is not as good as it should be.
Yes.
For this application, the SignaLink is useless, because for I/Q output
from the KX3, he’ll need stereo in. The SignaLink is mono.
Yes.
The SignaLink is a pretty old design. In the digital world, 10 years is
forever! And it's VERY overpriced for what it is. It's popular ONLY
because of lots of advertising hype from the vendors reselling it.
73, Jim K9YC
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