[Elecraft] Issues with K2 Align & Test

[Ron Hahn]

On Tue, 27 Mar 2007, Don Wilhelm wrote:

> Ron,
>
> Yes, your BFO is out of range.  It may be that your BFO crystals are a bit 
> higher than they should be.  You could ask Elecraft for a replacement or you 
> can pad your crystals down a bit with capacitors.
>
Don,

I think I'll ask for replacement bfo crystals.

While waiting for them is it advisable to start on the transmitter or put 
this kit aside until I have the receiver up and running properly?

> There are two ways to pad the BFO - the first is to add capacitors in 
> parallel with C173 and C174 - try adding 47 pf to C174 and 120 pf to C173 
> (other value combinations are possible, but try to keep the ratio of the two 
> values in the 1:2.6 range).
>
Might try this in the short term if I have any in my junk box.

Thanks for the help,

Ron EI2JP
> The second way to pad the frequency down is to add a small value capacitor 
> from the junction of the crystals and C174 to ground.  Do not exceed 20 pf if 
> you use this method.
>
> The broadband signal may just be the effect of the BFO being off frequency. 
> Wait until the BFO is correct before making any further judgments.
>
> 73,
> Don W3FPR
>