[Elecraft] K1 AGC mod

Phil Wheeler w7ox at socal.rr.com
Sun Feb 1 11:19:11 EST 2015


I believe there is a message in the list archives 
from Wayne on this subject. But apparently this 
was before the list archives started. About midway 
down on this page is a relevant message from Wayne.

http://www.qsl.net/ve3mcf/elecraft_reflect/K1_AGC_Notes.txt

73, Phil W7OX


On 2/1/15 7:37 AM, NZ0T wrote:
> I just built K1 SN 3353 and it's a neat little rig.  I usually wear headphone
> so now that I've experienced the AGC lag I would like to do something about
> it.  I know it's audio derived so it will never sound like a  K2 or K3 but
> if I could reduce the loud spike at the start of a received transmission it
> would help.  From perusing the net it looks to me like the most common mod
> involves replacing C31 on the RF board with a 1uf and C67 on the same board
> with a .22uf.  Is this the best mod or are there others that I should look
> at?
>
> 73 Bill NZ0T



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