Bill,
Decreasing C31 may decrease the attack time, and decreasing C67 will
reduce the hang time.
If you are having trouble with the initial 'spike', then I would suggest
reducing C31 first.
You can experiment with the values.
Also take a look at Wayne's comments at
http://www.qsl.net/ve3mcf/elecraft_reflect/K1_AGC_Notes.txt and be sure
what you are hearing is not the audio 'thump'.
73,
Don W3FPR
On 2/1/2015 10:37 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?
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