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[AMPS] DSP & and other curiosities

To: <amps@contesting.com>
Subject: [AMPS] DSP & and other curiosities
From: doug@nc.rr.com (Doug Hall)
Date: Wed, 17 Jan 2001 12:55:00 -0500

I wrote:
> >FIR filters are not
> realizable
> >in the analog world.
> >73,
> >Doug, K4DSP

WC6W wrote:
> Hi Doug,
>   Just for the history books, I can offer one example of an "analog" FIR.
>    The Reticon (last I heard acquired by EG&G) FIR filters (part no.
> RT5602, if memory serves this morning) which were implemented with bucket
> brigade technology.
>    I used one of those to implement an outboard CW filter about 15 years
> ago.

Yes Marv, I had forgotten the Reticon parts. The bucket brigade approach
does indeed make an FIR filter possible without resorting to a DSP.
73,
Doug, K4DSP


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