[TenTec] DSP in CW transmit?

Tommy aldermant at alltel.net
Fri Aug 13 11:41:02 EDT 2004


Nope...I won't go  the Kenwood or Yaesu route. Maybe we  could come up with
a stable frequency control and add your audio generator in the Corsair 2 and
just hang onto the Omni 6 forever?

Tom

----- Original Message -----
From: "n4lq" <n4lq at iglou.com>
To: <tentec at contesting.com>
Sent: Friday, August 13, 2004 11:11 AM
Subject: Re: [TenTec] DSP in CW transmit?


> Have you ever checked out a Kenwood's QSK Tom? What about the TS-950sdx?
> I've never tried one. My 930 has great sounding qsk but I do prefer the
> sound of the Omni 6's receiver. Maybe we can combine them.
> Steve
>
> -----Original Message-----
> From: "Tommy" <aldermant at alltel.net>
> To: <tentec at contesting.com>
> Date: Fri, 13 Aug 2004 09:48:42 -0400
> Subject: Re: [TenTec] DSP in CW transmit?
>
> > >From what little I know, DSP has a lot to do with transmitting a
> > signal. In
> > the Orion, I think it is used to adjust the Tr/Tf of the transmitted
> > wave
> > form. TT also, starting with the Omni 6,  uses the DSP to generate the
> > sidetone, and evidentially that takes time, thus the rig is not able to
> > run
> > full QSK at the faster speeds because it has to QRX for the DSP to do
> > it's
> > thing. The more DSP or digital crap you put into a radio design, the
> > more
> > bells and whistles you can sell...all at the expense of performance.
> > And the
> > manufacturer is caught up in the rat race....I'm  sure you recall all
> > the
> > complaining about a non-color screen...can you imagine the grief TT
> > would
> > have taken if they didn't have DSP? You would have thought the end of
> > the
> > world was here.
> >
> > Do you recall the very raspy square wave sidetone generated in the
> > Corsair?
> > Well, it's gone, and the trade off was slower QSK. Guess they didn't
> > know
> > how to build a simple sine wave generator? Or was  it cheaper to just
> > use
> > DSP and let CW performance drop?
> >
> > Tom - W4BQF
> >
> >
> > ----- Original Message -----
> > From: <K4IA at aol.com>
> > To: <tentec at contesting.com>
> > Sent: Friday, August 13, 2004 8:09 AM
> > Subject: Re: [TenTec] DSP in CW transmit?
> >
> >
> > > I don't understand what DSP has to do with transmitting a CW signal.
> >  I
> > am
> > > not arguing "it ain't so" but could someone explain what is happening
> > here?
> > >
> > > k4ia
> > > Craig  "Buck"
> > > Fredericksburg, Virginia USA
> > >
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>
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