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[AMPS] FAILURE OF PARASITIC RESISTORS IN AL-811X AMPLIFIER

To: <amps@contesting.com>
Subject: [AMPS] FAILURE OF PARASITIC RESISTORS IN AL-811X AMPLIFIER
From: itr@nanoteq.co.za (Ian Roberts)
Date: Thu, 02 Mar 2000 11:48:59 +0200


Tom Rauch wrote:

> >Surely if the function of a resistor is to emulate R only, then
> > inherent inductance must be kept low, and carbon composition types are
the
> > preferred option?
>
> Or you can put a series capacitor in series with the R and cancel
> the reactance at the frequency of instability.

What is the frequency of instability?
Therefore what is the reactance?
On what grounds is it assumed that there is only one frequency of
instability?
If the "suppressor" is meant to suppress something, why make it even
more transparent to the something?

Ciao,
Ian ZS6BTE


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