>Rich:
> My statements about the RF resistance are results of simple
>application of the "theory" of RF resistance as stated in Terman. I accept
>it
>as the authority, despite its age. If you want to dispute that, then let's go
at it.
** whatever gave you that idea, Eric ? I own a copy of Terman, and I
consider it the gospel of electronics.
>
> According to that theory, which attempts to account for all of the
>skin-effects, the RF resistance, where skin-effect dominated (i.e. large
>enough conductors) is proportional to (sqrt)p at any frequency. In other
>words, two different conductors, at a given F, will differ by (sqrt)p . I am
>using 'p' for the normal symbol for resistivity, rho.
>
>Based upon a DC resistance ratio, which is directly proportional to rho, of
>64 for Nichrome, this equates to a ratio of 8 for R(VHF). I am claiming no
>more or less than this.
>
> The value you sight,
** I did not see the measurement.
>5.5, is not actually that far off, so I don't
>see any need to argue that.
** I will not.
>I am curious, however, where you got the number from.
>
** Joe Funderburg's (W6IHA) Boonton Q meter.
> On a second point, it is NOT true that all of the RF current passes
>thru the suppressor. There is clearly a direct path through C(p-k) to
>ground. However, the relavence of this depends upon your assumed circuit
model,
>which is not at all clear to me. That is why I raised the question about it
in the first place.
>
> Those of you who have been so engrossed in this issue for so long, it
>is probably clear what you intend. But for those of us who are just trying
>to understand the comments and remarks that get posted, we could use, if it
>exists, the generic model which you (and any others who contribute to the
>overall signal level) assume
>
>If it is a relatively simple resonant circuit (less than 5 or 6 poles) then
>there is really no argument. We can analyze it quite accurately by several
>different methods, and that analysis will clearly show the effect of any
>component contained in it. This includes any resistors which introduced as
>lump sub-elements of other components.
>
>73
>Eric von Valtier K8LV
- R. L. Measures, a.k.a. Rich..., 805.386.3734, AG6K,
www.vcnet.com/measures.
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