[Elecraft] K3S DSP filter plots

[George Fritkin]

And I will add a filter is not a filter.  No, I am not crazy.  There are many types of filters with various trade-offs.   In band ripple.....loss......phase shift.......skirt shape....are just some of the trade offs.  DSP software can emulate any or combos

George, W6GF


Sent from my iPad

> On Nov 16, 2015, at 5:03 PM, Fred Jensen <k6dgw at foothill.net> wrote:
> 
> No doubt Wayne is qualified, however he has deferred on several occasions to Lyle who I believe actually writes the code.
> 
> And a teeny point from a math major ... inasmuch as arithmetic is a part of math, it is clearly "done mathematically."  The "real" math however is in figuring out what arithmetic to do.  At the implementation level, it's all arithmetic, generally in base-2.
> 
> I'll bet my next paycheck, if I got one anymore, that both Lyle and Wayne understand both.
> 
> 73,
> 
> Fred K6DGW
> - Northern California Contest Club
> - CU in the Cal QSO Party 1-2 Oct 2016
> - www.cqp.org
> 
>> On 11/16/2015 4:18 PM, Bob McGraw - K4TAX wrote:
>> 
>> Perhaps Wayne is better qualified to define the performance of the DSP
>> filter system, usually limited by the number of poles and is done
>> mathematically.
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