[Elecraft] close in IMD

[Don Wilhelm]

Fred,

The main changes that would have created that difference is the newer speced
crystals and the winding of T7.  If you have added a new set of crystals,
that is good, but check to see if T7 is the newer ration of 20 turns to 5
turns - it matches the filter output impedance better than the older turns
ratio.

73,
Don W3FPR

> -----Original Message-----
>
> According to the Sherwood table, K2 # 1140 demonstrated 70 DB at
> 2 khz, while serial # 3160 posted 80 DB at 2khz, phase noise
> limited, actually better.
>
> Exactly what changes to the radio led to this improvement?  I
> would like to be sure I have done the apprpriate mods to serial # 700 !!!
>
> 72 and HNY,
>
> Fred - kt5x
>
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