[Boatanchors] [Heathkit] More DX-35 problems

Jim Wilhite w5jo at brightok.net
Wed Mar 18 12:38:08 EDT 2009


Could it be a harmonic of some sort or maybe a parasitic?

Jim/W5JO


----- Original Message ----- 



>
> Your wattmeter must be way out of calibration.  There is no way 
> that the output can be more than the input.  Also, at 100 watts 
> output the plate of the 6146 would be running bright red if not 
> showing "fireworks".
>
> Glen, K9STH
> >
> --- On Wed, 3/18/09, WØQFC <erastber at tampabay.rr.com> wrote:
>
> After correcting some stupid mistakes (One bad solder joint and a 
> unsoldered connection) and the assistance of a few list members, I 
> wasable to get B+ to the oscillator.
>
> The rig works except I have a very shallow plate current dip (at 
> 120 mA (756 volts)) and I can not adjust the grid drive. It stays 
> at 4 mA and can not be changed with the drive control.
>
> Also, the antenna loading control has NO effect on the plate 
> current reading.
>
> The watt meter shows 100 watts into a dummy load.
>
> The above conditions exist on any band, using several different 
> xtals.
>
> The rig was rebuilt with all new resistors and caps. . . .
>
> Any ideas on correcting the above problem(s)?
>>
>
>
> 


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