[TenTec] O2 - High/Low Cut Anomaly

[N4PY2]

That's the way it is supposed to work.  High cut just needs to change the 
bandwidth because all the filters have the same locut frequency.

Carl Moreschi N4PY
121 Little Bell Drive
Hays, NC 28635
www.n4py.com


----- Original Message ----- 
From: <ac9s at mchsi.com>
To: <tentec at contesting.com>
Sent: Saturday, November 21, 2009 10:28 PM
Subject: [TenTec] O2 - High/Low Cut Anomaly


> Although I rarely use the the "Cut" control, I was playing with it today 
> and noticed that "high" and "low" cut seem to have different actions.  Low 
> cut appears to act as advertised, with the passband shifting and bandwidth 
> changing in tandem as the control is rotated.  The "high" cut appears to 
> only change the bandwidth.  Thinking this might be related to the sideband 
> I tried both lower and upper sideband with the same result.  I am using 
> the current Beta - 2.041XT.
>
> Anyone else notice the same behaviour?
>
> Thanks --
>
> Keith
> AC9S
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