[TenTec] Triton IV filter

[Duane - N9DG]

Actually I can believe Barry's claim for the 2.7 kHz. I have
a few Corsairs (2 are II's) and everytime I tap into the IF
chain after the 9 MHZ filter using either SDR-1000 or the
Time Machine board I see that those filter's bandwidths to be
closer to the 2.7 mark than 2.4. The filter shape is clean
and flat but just looks a bit wider than 2.4 kHz to me. It
doesn't matter which software package I use to look at it
with either. The hardware I use after the 9 MHz filter is
knoiw to be flat as well. 

Duane
N9DG
  

--- "Harry N. Coates" <WA8HC at charter.net> wrote:

> Barry, 
> 
> The 2.7Khz filter in your 544 is truly an interesting bit
> of information..  Must have been modified by someone.. 
> 
> I found out how the filter in my 540 was used when it went
> bad and TT sent me a new board.. 
> 
> I see Inrad does make a 2.8Khz unit for the Triton IV along
> with many other choices.. I have Inrad 2.8's in both IF's
> of my Omni VI, they're great IMHO..
> 
> I'm really not sure how cost effective a $115 optional
> crystal filter would be in a $200 radio..
> The active op-amp audio filters did a good job for CW as I
> remember.. But, everyone to thier own thing.. 
> 
> Harry N. Coates
> Comstock Park, MI
> WA8HC at charter.net


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