[Elecraft] Confusion on Roofing Filters

[Wayne Burdick]

Hi Mike,

The KX3 converts RF directly to baseband, so the roofing filters are  
made using high-performance op-amps and very tight-tolerance discrete  
parts, not crystals.

73,
Wayne
N6KR


On Sep 6, 2011, at 2:06 PM, w0ih wrote:

> Wayne,
>
> Thanks for the very prompt reply last week to my query.
>
> So now I have another question concerning roofing filters.  Will the  
> KX3 use
> the same roofing filter series as the K3?
>
> I added a 2.1 kHz filter in my K3 and found it very effective (after  
> a bit
> of learning!).  Since then, I've wanted to upgrade the 5 pole filter  
> that I
> have in my K3 to an 8 pole.   Can I put the 5 pole that I pull from  
> the K3
> into the KX3?
>
> Mike
>
>
>
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