|[AMRadio] GG 813 Linear in GE Ham News|
w5omr at satx.rr.com
Sun Oct 2 11:08:04 EDT 2005
John E. Coleman (ARS WA5BXO) wrote:
>I have an SB200 linear and on AM it is equivalent to a DX100.
>I increased the bias on it so to the point just beyond cutoff for AM so that
>it requires a little more to drive and it reaches negative 100% modulation
>slightly before the driver does. But this seemed to help the modulation
>linearity and efficiency just a little. I really use this position mostly
>for CW drive to the push pull 250th rig. But I have occasionally put it on
>the air and switched the driver to AM.
I've never heard your rig in that configuration, but I -have- heard it
on the air, recently. Twice in as many days, actually!
Can't say that I've heard a rig sound better than the 'peanut whistle'
from Willis, TX ;-)
Looking forward to climing the 100' tower with Larry/WD5CFJ this week, John.
73 = Best Regards,
More information about the AMRadio mailing list
This page last updated 16 Oct 2017.