[hpsdr] Polyphase filters

[ct1izu]

Just found out that the papers are now here
http://rubidium.dyndns.org/~magnus/synths/friends/gingell/




Shel CT1IZU

----- Original Message ----- 
From: "ct1izu" <ct1izu at sapo.pt>
To: <hpsdr at lists.openhpsdr.org>
Sent: Tuesday, July 06, 2010 11:27 PM
Subject: Re: [hpsdr] Polyphase filters


> Mike Gingell who worked for STL did a lot of pioneering work on Polyphase 
> filters. He later became KN4BS,  I was lucky enough to work him about 10 
> years ago and realised who he was. He was very amused to note the the ham 
> interest in his patents in this area and did then  put his original PhD 
> thesis on polyphase and some patent info on his home page.
>
> Possibly an approach to him would again make these interesting documents 
> available.
>
> Shel CT1IZU
>
>
>