[ARC5] Sweating the detail - "Q" {was apples and oranges}

[Dennis Monticelli]

Les,

Interesting page.  I had never seen it.  Thanks!

Dennis AE6C


On Wed, Oct 30, 2013 at 4:10 PM, Leslie Smith <vk2bcu at operamail.com> wrote:

>   Hello List-readers!
>   Writing in the context of attention to detail, but involving "Q", not
> dB and hearing levels, I want to mention a web-site that impressed me a
> good deal.
>
>   Start here:  http://www.crystal-radio.eu/index.html
>
>   Then choose either dutch or english language and experiments with
> "experiments with LC circuits".
>   These pages describe a well-thought-out set of experiments that seek
> to improve "Q" (decrease losses) and record the improvement gained -
> from a lowly "Q" value of 150 or so up to a "Q" of around 1000.    The
> page that impressed me most discusses "ripple" observed on the CRO
> during measurement - an audio 'beat" between his lab equipment and a
> distant powerful transmitter leaking into the experiment.  How many of
> us would have noticed this detail, and taken the trouble to
> investigate.  This is surely science at it's best!
>
>   All this proves what you say below, Dennis - that if you don't sweat
> the detail you probably won't get the best possible result.
>   In these experiments each improvement is only a few "Q" points - 20
> here, 100 there - but in the end the result is both instructive and
> impressive.
>   I wish I could think like this!
>
>   Dennis - thanks for you posting.
>
>
> 73 de Les Smith
> [1]vk2bcu at operamail.com
>
>
> On Thu, Oct 31, 2013, at 7:28, Dennis Monticelli wrote:
>
> It does make sense, Bruce.  A lot of sense.  It's a human behavioral
> thing.  If you don't sweat that detail you probably won't sweat the
> other two or three sub dB details either and that will eventually add
> up to something that truly matters.
>
> Dennis AE6C
>
> References
>
> 1. mailto:vk2bcu at operamail.com
>
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