Re: Q7 failure in K2

Posted by N9AUP on Feb 19, 2012; 12:02am
URL: http://elecraft.85.s1.nabble.com/Q7-failure-in-K2-tp7297576p7297857.html

OK Don,

I pulled one leg of D9 and saw 54K forward and infinite reverse on the DVM (no KAT2) so I'm guessing that's ok for a Schottky diode.  I just now checked the tuner taps and the antenna was charged up pretty good. . .that's amazing since there's hardly a breeze and it isn't below freezing out.  I suppose my 35 foot linear loaded vertical dipole (with 6 foot capacitance hats on on the far ends) is a pretty good static picker-upper.  Do you think I could get away with a choke to ground, say 50 MH on each leg of the ladder line on the antenna side of the tuner?  I guess I better do the math to figure out what the impedance would be on each of the bands 40 thru 10 --although heaven only knows what the antenna impedance would be on each band.  I guess I could always put the bleeder on the nominal 50 ohm side of the tuner.

73,

George