[Elecraft] K2 - RF board R60 -- what's it for?

Sat Mar 23 14:01:00 2002

OK.  That'll teach me to answer questions without the radio or manual with
me.  I don't recall doing ANYTHING to R60 during the SSB installation.  I,
for some reason, though that he was talking about the carrier balance
adjustment.

Oh well.

73 de John - KC4KGU
K2 #2490

On Sat, 23 Mar 2002, Gary L Surrency wrote:

> This is incorrect.
> 
> R60 remains at full CCW whether or not the SSB adapter is installed.
> Setting it higher will do nothing but increase the idle TX current draw
> and PA heat dissipation, with no increase in PEP output or reduction of
> IMD.
> 
> The optimum setting of R60 for the 2SC1969 PAs is fully CCW.
> 
> 73,
> 
> Gary Surrency AB7MY
> Elecraft Technical Support (Please use [email protected] for all
> technical correspondence - not this Juno account)
> 
> (Building tip: How well are *your* toroid leads tinned??)
> 
> 
> 
> <snip>
> > Bill,
> > 
> > It's only full CCW *initially*.  After you complete the KSB2 install 
> > and
> > you're doing alignment, you will set it VERY close to the middle of 
> > the
> > pot.
> > 
> > 73 de John - KC4KGU
> > K2 #2490
> > 
> > 
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> 
> 
> Gary Surrency AB7MY
> 
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