[Boatanchors] Using a SG-230 tuner on AM

[D C *Mac* Macdonald]

I disagree that I am MIXING apples and oranges.

 

I'm simply stating that there are different dB characteristics

depending upon whether you are measuring power or voltage.

 

Note that I STATED I was talking about a voltage situation.

Mac



 
> Date: Mon, 10 Aug 2009 14:45:49 -0400
> From: rbethman at comcast.net
> To: boatanchors at mailman.qth.net
> CC: k2gkk at hotmail.com; jfor at quik.com; km1h at jeremy.mv.com
> Subject: Re: [Boatanchors] Using a SG-230 tuner on AM
> 
> The dB table is ALREADY for power, page 651, "The Radio Handbook", 13th 
> Edition, copyright 1951.
> 
> Again, 2X = 3dB. The table establishes zero as 0.006 watts.
> 
> Mac, you can't mix apples and oranges. That is precisely what you are 
> trying to do in your statement.
> 
> Now go back and read at least one of the Orr Handbooks. I have 13th, 
> 16th, and either 20th or 21st Editions.
> 
> Bob - N0DGN
> 
> D C *Mac* Macdonald wrote:
> > 2 X the voltage IS 6 dB because when voltage is doubled
> > into a constant load, the current will also be doubled.
> > 
> > 73 - Mac, K2GKK/5
> > (Since 30 Nov 53)
> > Oklahoma City, OK