old US Telephone hybrid ('Network' block)

Gene Buckle geneb at deltasoft.com
Wed Mar 30 14:51:23 CDT 2011

On Wed, 30 Mar 2011, Tony Duell wrote:

> like disks with metal coating on the surfaces), the anti-sidetone
> transformer ('induction coil'. call it what you like :-)), some

Tony, what function does an "anti-sidetone" transformer perform?  Is it a 
filter of some kind?


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