[ARC5] Receiver Filter Adaptor

[David Stinson]

Thank you for this, Ken.  Good info.
This level of circuit changes are forbidden in "my world," but
the ideas and concepts are still fertile fields to plow.
73 Dave S.

----- Original Message ----- 
From: <kgordon2006 at frontier.com>
Subject: Re: [ARC5] Receiver Filter Adaptor


> Well, David, et al. Your musings are well taken here.
>
> Now, considering a simple method of increasing selectivity in 
> our BAs, we
> might take a look at Mike Murphy's WU2D youtube video "ARC-5
> Command Receivers Part-4" on selectivity.
>
> Near the end of this video, Mike shows how he improved the 
> selectivity of a
> BC-455 by modifying the first IF transformer into a crystal 
> filter.