[TenTec] not quite OT: outboard DSPs

[Duane Calvin]

Hi Mike,
	I've used both, and I liked the NIR-12 much better than the DSP,
although it works also.  The NIR uses two processors and two different
algorithms for digital signal processing. One of them (the NIR mode) will
cause a delay in signal, so if you do QSK CW, it will not work well with
that.  (In fact, it will not work well if you use the rig's sidetone while
you're keying!)  I don't recall what they call the two processing modes, but
if you google the NIR-12 it should turn up their old description sheet.
It's an excellent unit, and includes simultaneous variable passband
rejection as well as the other processing.

	73, Duane

Duane Calvin, AC5AA
Austin, Texas
www.ac5aa.com  
 
-----Original Message-----
From: tentec-bounces at contesting.com [mailto:tentec-bounces at contesting.com]
On Behalf Of Michael Tortorella
Sent: Thursday, January 15, 2009 6:56 PM
To: tentec at contesting.com
Subject: [TenTec] not quite OT: outboard DSPs

Good evening, all:

Some of using older Tentec equipment can benefit from outboard DSP audio
filtering, so this is not quite OT..I wonder if I can tap the list wisdom
regarding a preference for the JPS NIR-12 versus the JPS NIR-10 versus the
Timewave DSP 59?

Thanks for any input and 73 to all,

Mike W2IY

 

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