[Test-Equipment] Q and filters

David davidwhess at gmail.com
Sun Jun 22 13:56:34 EDT 2014


One of the advantages of the phasing method of SSB generation and reception is
suppose to be its better audio quality do to less phase distortion.

On Sun, 22 Jun 2014 12:16:11 -0400, you wrote:

>Its very possible to do with LC components vs the group delay thru a 
>mechanical or crystal filter.
>
>The CIA couldnt use a R-390A for data due to the distortion and had a 
>special model built using the earlier R-390 all LC IF section.
>
>Listen to a properly aligned HRO-60 with its many IF transformers, even SSB 
>sounds different (better).
>
>Carl
>KM1H


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