[Elecraft] K3s IF bandwidth?

K9MA k9ma at sdellington.us
Mon Dec 25 17:58:45 EST 2017


Yes, they are bandpass filters, to reject the image 16 MHz from the 
desired frequency, among other things.  There are, of course, also low 
pass filters, to reduce transmitted harmonics.

73,
Scott K9MA

On 12/25/2017 16:27, ab2tc wrote:
> Hi again,
>
> Heavens no, they are definitely bandpass filters, tailored to each ham band.
> I think I have seen a plot of their responses somewhere,  but can't remember
> where. Each filter covers 2 bands with a relay to choose which one of the
> two.
>
> AB2TC - Knut
>
>
> David Gilbert wrote
>> I could be wrong, but I thought they were low pass filters, not band
>> pass.  I think each filter even covers more than one band if they are
>> within an octave or something like that.
>>
>> Somebody please correct me if I'm wrong.
>>
>> Dave   AB7E


-- 
Scott  K9MA

k9ma at sdellington.us



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