[Elecraft] K3 Filter question

[Matt Zilmer]

Hi Keith,

In the K3 utility program, you can change the filter bandwidths to
whatever you need.  Many ops use this function to set filter switch
points that are different than the listed bandwidth.  Look under the
Configure tab, then push the Configure Crystal Filters radio button.

Note that setting a non-standard filter bandwidth only changes the
point at which changing the Width (or Hi/Lo) control causes a switch
to the next filter in your "stack".  Actual filter performance stays
as it is.  Just a normal disclaimer... :)

73,
matt W6NIA

On Wed, 26 Feb 2014 06:28:59 -0800, you wrote:

>I have recently been examining how my K3 filters operate and was curious if I could somehow expand the range I can use my lowest filter which is 250 kHz. It generally cuts out at 300 kHz and then my 1.8 kHz filter takes over. I would like to use the 250 kHz filter up to 400 kHz as I have read the filter is actually specified for 370 kHz. How do i change the cut out point for this filter? Is this something I can change in the utility program under filter calibration? I appreciate any advice on this.
>
>Thanks,
>
>Keith
>AK6ZZ
>
>Sent from my iPhone please excuse typos
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Matt Zilmer, W6NIA
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