[Elecraft] Q7 failure in K2

[Don Wilhelm]

George,

I would advocate 100 uHy rather than 50 mHy - but for 40 thru 10 meters, 
50 uHy is OK.

If you really meant 50 millihenries, then yes that would be quite fine 
for providing a DC path for the lower bands, but there may be strange 
effects on the higher bands due to stray capacity.

73,
Don W3FPR

On 2/18/2012 7:02 PM, N9AUP wrote:
> 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
>
>