Bill, W6WRT wrote:
> ORIGINAL MESSAGE:
>
> On Sun, 23 Aug 2009 08:28:50 -0500, "kingwood" <k5jv@kingwoodcable.com> wrote:
>
>
>> Now, if we know the frequency of this unloaded parasitic, why can't
>> we build a trap, or load, inside the final compartment to absorb it before
>> it does any damage?
>>
>
> REPLY:
>
> You are missing the fundamental purpose of a parasitic suppressor. It does not
> "trap", "load" or "absorb" the parasitic. Instead, its job is to reduce the
> gain at the parasitic frequency enough so the tube will not oscillate.
>
>
Wouldn't it be correct to say (paraphrasing): Designing a circuit to
prevent parasitic oscillations rather than designing one to deal with
the results of one?
73
Roger (K8RI)
> It is all a matter of gain. Not "loading", "trapping" or "absorbing" the
> parasitic. If the parasitic suppressor does its job of reducing gain
> correctly,
> there won't be any parasitic oscillation present to be "laded", "trapped" or
> "absorbed".
>
> 73, Bill W6WRT
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>
>
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|