[Boatanchors] Using a SG-230 tuner on AM

[Carl]

Dont confuse us Mac, PEP is power at 10log.

Carl
KM1H


  ----- Original Message ----- 
  From: D C *Mac* Macdonald 
  To: jfor at quik.com ; KM1H Carl Huether 
  Cc: boatanchors at mailman.qth.net 
  Sent: Monday, August 10, 2009 2:10 PM
  Subject: RE: [Boatanchors] Using a SG-230 tuner on AM


  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

   

  > Date: Mon, 10 Aug 2009 10:52:30 -0700
  > From: jfor at quik.com
  > To: km1h at jeremy.mv.com
  > CC: boatanchors at mailman.qth.net
  > Subject: Re: [Boatanchors] Using a SG-230 tuner on AM
  > 
  > Look at my table from two posts ago, which you quoted below... I said
  > EXACTLY that.
  > 
  > -John
  > 
  > ===========
  > 
  > 
  > > 4X is doubling twice so it is 3+3=6
  > >
  > > Carl
  > > KM1H
  > >
  > >
  > > ----- Original Message -----
  > > From: "rbethman" <rbethman at comcast.net>
  > > To: <boatanchors at mailman.qth.net>
  > > Cc: <jfor at quik.com>; "Gary Schafer" <garyschafer at comcast.net>
  > > Sent: Monday, August 10, 2009 1:37 PM
  > > Subject: Re: [Boatanchors] Using a SG-230 tuner on AM
  > >
  > >
  > >> This will ONLY apply *IF* you read the rest of the text.
  > >>
  > >> "You must first agree where ZERO is at".
  > >>
  > >> From 13th Edition Radio Handbook. Also in Radiotron Handbook.
  > >>
  > >> In any event, 2X isn't 6dB in any table I've seen.
  > >>
  > >> Bob - N0DGN
  > >>
  > >> J. Forster wrote:
  > >>> No:
  > >>>
  > >>> 3 dB is 2x power
  > >>> 6 dB is 4x power
  > >>> 9 dB is 8x power
  > >>> 10 dB is 10x power.
  > >>>
  > >>> -John
  > >>>
  > >>> ============
  > >>>
  > >>>
  > >>>
  > >>>
  > >>>> Carl,
  > >>>>
  > >>>> Isn't 6dB actually a power increase 10 times the original?
  > >>>>
  > >>>> My understanding that 3dB is a doubling.
  >