Hi Don, Thanks for your response. I'm sure it's not the "thump" but rather a spike in the audio derived AGC before it reduces the the level. I'll try decreasing C31 first
On Sun, Feb 1, 2015 at 3:51 PM, Don Wilhelm <[email protected]> wrote: > 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? >> >> >> > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
