[ARC5] QST articles.

J Forster jfor at quik.com
Mon Dec 15 12:43:38 EST 2008


The power that goes through the Radiation Resistance (and is hence
transmitted) is only a tiny fraction of the total current. (Current
Divider) Most is wasted in losses in the parallel capacitor.

-John

===============

Ian Wilson wrote:

> Sorry, John, I don't understand what it is that I said that you
> disagree with. Which of these steps do you not agree with:
>
> 1. transform series RC to parallel
> 2. combine parallel capacitances by adding
> 3. transform parallel RC to series
> 4. now we have a simple LRC, series resonant circuit
>
> For the current flowing in the added parallel C to be an issue, the
> Q of the capacitor would have to be low. That is not the case here
> with these moderate impedance transformations - the loss in the
> circuit is dominated by the finite Q of the roller inductor.
>
> 73, ian K3IMW



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