>My SB220 has started giving me just a little less than half of the output
>I normally get on 10M. Output on 20M and 15M seem to be unaffected. I
>normally get 600W output and only run the amplifier in the CW/Tune mode.
>Twice I heard a popping sound on the left side of the amp which I took to
>be the variable arching which it has not done for a while. I have used it
>successfully for two years with all of R. Measures mods installed. I have
>a brand new IC746 that the problem started with, but it does the same
>thing with my old IC735. Could I get some suggestions on where to start
>looking for the problem? Thank you. Pat..K8PC
>
Increase the Rp of the suppressors by increasing L-supp. Adding a second
suppressor is feasable with 3-500Zs. See Fig. 26 on my Web site.
end
- Rich..., 805.386.3734, www.vcnet.com/measures.
end
--
FAQ on WWW: http://www.contesting.com/FAQ/amps
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
|