[Elecraft] RIGblaster Advantage for Serious Digital Modes, with KX3?

[Walter Underwood]

The KX3 DATA A mode bypasses audio processing and TX EQ.  --wunder, K6WRU

On Sep 17, 2013, at 12:24 PM, Joe Subich, W4TV wrote:

> 
> I think "serious DXpedition use with digital ... modes" and the KX3
> are a bit of an oxymoron.  The KX3 lacks dedicated a fixed level audio
> output (independent of the operator monitor [headphone] level and any
> receive equalization) and a dedicated line level audio input with input
> level independent of the SSB mic gain, clipping/compression controls
> and transmit equalization.
> 
> Both of those features are a must for serious digital operation.
> The independent, fixed level receive output means there are significant
> "level conflicts" between operator needs and the needs of the digital
> software.  It also represents a real potential for hearing damage if
> the digital software requires a high audio level and headphones are
> plugged in with the level too high.
> 
> The lack of an input that bypasses audio processing and TX EQ also
> creates the possibility of signal distortion and/or excess IMD
> generation in the audio stages *prior to modulation.
> 
> 73,
> 
>   ... Joe, W4TV
> 
>> On Sep 17, 2013, at 9:00 AM, elecraft-request at mailman.qth.net wrote:
>> 
>>> Message: 6
>>> Date: Tue, 17 Sep 2013 08:40:16 -0500
>>> From: CRAIG W BEHRENS <craigb44 at msn.com>
>>> To: "qrp-l at mailman.qth.net" <qrp-l at mailman.qth.net>, Elecraft List
>>> 	For-eMails	<elecraft at mailman.qth.net>
>>> Subject: [Elecraft] RIGblaster Advantage for Serious Digital Modes
>>> 	with KX3?
>>> Message-ID: <BLU178-W8E4A45C7F48A6847AA366D9270 at phx.gbl>
>>> Content-Type: text/plain; charset="iso-8859-1"
>>> 
>>> I'm looking at different approaches for a compact interface unit to use with my KX3 and MicroSoft Surface Pro Tablet PC.
>>> The KX3 has some neat built in features for light field use, but I need to be set-up for serious DXpedition use with the digital (and other) modes.
>>> Anyone have any experience in this area that could help me pull such a system (or similar approach) together?
>>> 
>>> 72/73 & DX,
>>> Craig W. Behrens -- NM4T
>> 
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--
Walter Underwood
wunder at wunderwood.org