[TenTec] General 2nd order questions

Steve N4LQ n4lq at iglou.com
Mon Jan 17 18:18:35 EST 2005


True but when dealing with steady state signals as in the ARRL lab test, I 
don't see that "clipping" enters into the picture.
Steve N4LQ
----- Original Message ----- 
From: "Lee Crocker" <w9oy at yahoo.com>
To: <tentec at contesting.com>
Sent: Monday, January 17, 2005 5:34 PM
Subject: [TenTec] General 2nd order questions


> If you run the AGC in the Orion at 0 hang you can
> easily make the audio clip by adjusting the decay
> slope to a very steep rate.  Clipping is the
> definition of non-linearity.  3rd order and 5th order
> are extrapolated measures of the point where the
> transfer function becomes non-linear.
>
> It is much harder to clip the slower AGC setting,
> since the dynamics of the feedback loop are damped by
> the hang and are not as liable to clip no matter what
> the slope.  It's like the difference between a hi Q
> and a low Q circuit.
>
> 73  W9OY
>
>
>
>
>
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