Tony,
As I understand the K3 you won't even need the RigBlaster, it can
connect directly to the computer (only cables and plugs needed) - even
does RTTY/PSK31 without the computer at all if you want.
For the K2, you should provide some isolation between the computer and
the K2 - transformers in the audio-out and mic-in do that job and a
voltage divider is needed in the mic input because the soundcard output
is much greater than the mic input level. The RigBlaster should provide
that isolation.
Then if you want automatic transmit/receive, you need a transistor
keying switch to turn transmit on (PTT) from the digital computer
application - easily accomplished with a simple transistor switch to
drive the PTT line - Google on PSK31 and you will find a lot of
information about how to hook things up.
Of course, your RigBlaster includes many of these things, so you may
just want to unpack it.
If you want a fixed audio output level from the K2, I have a few boards
left (no kits) - you can take a look at my website article about it at
http://w3fpr.qrpradio.com
73,
Don W3FPR
N2TK, Tony wrote:
I finally am going to get on the digital modes. Never did any of the digital
stuff before so I am asking advice from you digital mavens. At Dayton I
would like to pick up the hardware I need.
I have my K3 on order. For now I would be using my K2.
Figured I would look especially at the Microham and Navigator offerings. I
like the idea that I wouldn't need to use an audio card in the PC.
I have a RIGblaster that has never been out of the box. Maybe that works
fine for digital modes? Do I need more than this? What does more than this
buy me?
What advice can you give me as to what to look for, what to recommend for
hardware to use on my K2 and forthcoming K3 so that it would be easy to
switch from CW, SSB and any of the popular digital modes?
Tnx for your advice.
N2TK, Tony
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