[Johnson] Another thunderbolt question

kwylow zinjanthropus [email protected]
Sun, 11 May 2003 07:29:58 -0700 (PDT)


No your T-bolt won't. I tried a similar experiment with an SGC-2020 (adjusted to 5 watt out) and a Johnson Courier with dual 811A's. A good amount of power out without the problems you mention. It takes more than drive power to make an amp unstable (like an un-neutralized circuit or some parasitic condition). Cal, N6KYR

Stephen Victor <[email protected]> wrote:Many thanks to Cal and Pete, and all others who
replied to the question about 160 meters.
Another question: Besides the Ranger, which will need
some kind of swamp attenuator, I am thinking of using
an FT-817 (which puts out about 5 watts on SSB and CW)
to drive the Thunderbolt. Is this possible? Will the
Thunderbolt "self-destruct" or start to oscillate
uncontrollably if the drive iw below about 15 watts?
73
Steve

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