Has anyone experinced the following problem with thier modified AM-6155 at 432
MHz ??
1) At higher output power levels and a fix input power, the power output and
Plate current drifts UPWARD to a point where it pegs the Current meter ( @ 500
ma )and still only 250 watts output ??
The modifications includes the air wound 5 turn coil just to the inside of the
cavity at the anode side.There was a article written which actually states that
this condition is a real condtion that can occur but I do not know how to
stabilize the output and current and still get 300 watts out.This occurs when
there is only 10 watts applied to the input so i dont think the grid is
overdriven.
Jeff K7XQ
--
FAQ on WWW: http://www.contesting.com/FAQ/amps
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
|