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Re: Harmonics


 

On Mon, Aug 13, 2018 at 09:02 PM, ajparent1/KB1GMX wrote:
I don't think stretching the 20/17M filter to add 15m is going to be effective enough unless
it has a brick wall shape.? The attenuation would have to be under 1db at 21.45 and not
less than 25db down at 23.55.? That is a rather tall order.?

Allison,

I agree with that totally, 25 dB down 2Mhz over is a tall order for any LPF. So that's how much it has to be reduced ?
Oh, well, at least we're on the same page. Thanks.

73 Kees K5BCQ
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