[Amps] pi-net spreadsheet question

Carl km1h at jeremy.mv.com
Wed Apr 7 13:02:14 PDT 2010



> ORIGINAL MESSAGE:
>
> On Wed, 7 Apr 2010 14:49:21 -0400, "Carl" <km1h at jeremy.mv.com> wrote:
>
>>Suppressors wont hurt anything and can protect the amp.
>
> REPLY:
>
> Suppressors are notorious for the resistor changing value.


Not really. Even a 2W carbon takes decades when the suppressor is designed 
and not just shotguned.  Modern resistors dont change at all....yet.

If it
> decreases to a low enough value, guess what?

Thats not the change direction. And below a certain value it will burn up 
and tell your nose about it.


No suppressor. If the
> resistor increases value enough, same thing. No suppressor.

You wont live long enough for that to happen.


>
> IMO, much better to spend some time and make the amp stable without
> one (or two).

And put all your eggs in one basket....poor engineering. Do both and dont 
fuss about pennies.

Carl
KM1H


>
> 73, Bill W6WRT
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