[Elecraft] Analysis of FT-1000 APF

[Bill W4ZV]

Bill W4ZV wrote:
> 
> If you send all 6 APF plots directly to me I'll post them for all to see
> (attachments must be sent directly since they will not go through the list
> filters).
> 

It turns out Al W6LX was one step ahead of me and had already sent me his
PowerPoint file.  It's viewable on the following link if you can read .ppt
files (readers are available from Microsoft for free if you don't have
PowerPoint installed):

http://ft1000apf.googlepages.com/w6lxanalysisoftheapfcircuitintheft-1000

Just eyeballing the plots, I don't believe the current DSP filter
implementation will duplicate the APF filter characteristic, but Lyle is the
one to best determine that.

73,  Bill

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