[Elecraft] Impact of this mod: K3 I.F. Output Buffer GainModification???
Matt Zilmer
mzilmer at verizon.net
Fri Dec 23 12:15:39 EST 2011
The main value is bringing the IF output up to a level that is usable
by the P3.
I thought that the mod was in all K3's after s/n 3600-something or
other, but there are probably experts around (or Elecraft crew) that
know the exact cut-in s/n or date.
73,
matt W6NIA
On Fri, 23 Dec 2011 09:05:22 -0800 (PST), you wrote:
>Can someone explain the real world value of making this modification? This mod
>is listed on the Elecraft website with this description (new production
>incorporates this mod):
>
>This modification increases the signal level at the I.F. output by more than 10
>dB. It requires changing one
>easily-accessible resistor on the K3s main RF board with either another surface
>mount device (SMD) or a leaded
>1/8 watt resistor.
>I have s/n #3012 and expect my radio was pre-modification. I will be adding
>filters and other mods after the first of the year and want to make this is one
>time affair if possible.
>
>Merry Christmas!
>Jack - WE5ST
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