Re: [Amps] Cool Amp Silver Plating

["Carl" <km1h@jeremy.mv.com>]

----- Original Message ----- 
From: "Dr. David Kirkby" <drkirkby@gmail.com>
To: <Amps@contesting.com>
Sent: Saturday, March 01, 2014 5:40 PM
Subject: Re: [Amps] Cool Amp Silver Plating


> On 1 Mar 2014 20:57, "John Lyles" <jtml@losalamos.com> wrote:
> > We use it often at work. It's expensive. It doesn't do squat for
> improving the conductivity of surfaces like cavities and inductors for RF
> current, as Peter pointed out. That requires at least 3 to 5 times the 
> skin
> depth
>
> What controls the thickness of the cool amp?  Can one not repeat the
> process to get a thicker coating or does that not work?
>
> If fixed,  do you know what the thickness is? I was wondering if it would
> be useful for 10 GHz, where the skin depth is a lot less than at VHF/UHF
>
> Dave

At 10 GHz a rough surface might be a problem if it is a transmission line. 
During my last 6 years before retiring I worked primarily between 22 and 
300GHz and each large step up in frequency amplified minor imperfections.
Carl
KM1H 

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