If you are having interference on the low side of an SSB signal, you simply
adjust LoCut to improve the filtering. If you have interference on the high
side, you simply adjust HiCut. It is just an easier way to adjust out
interference in one control instead of two.
Carl Moreschi N4PY
----- Original Message -----
From: "Grant Youngman" <nq5t@comcast.net>
To: <tentec@contesting.com>
Sent: Monday, January 05, 2004 11:54 AM
Subject: Re: [TenTec] Orion Filter Controls
> > Perhaps someone who really likes CUT can tell me what it will
> > do
> > that BW/PBT cannot do. Surely I'm missing something.
>
> You're not really missing something.
>
> Hi cut just reduces bandwidth. So in a sense it is redundant.
>
> Low cut reduces bandwith AND adjusts PBT (as Carl pointed out) to
> effectively maintain the upper response edge in a contstant place. This
> slides the lower edge (relative to mode) up to eliminate interference on
> the low side. It is true that PBT can do the same thing, but that also
> slides the upper edge of the response curve which may increase
> interference from the other side in the bargain.
>
> Different strokes ... but I feel certain that if this equivalent to VBT or
Twin
> Passband Tuning or whatever control du jour is being pitched wasn't
> there, there would be someone who'd be asking where it was :-)
>
> Grant/NQ5T
>
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