[Elecraft] Synthesizer Issue

[riese-k3djc at juno.com]

Hi Wayne

with the new board and software up dates is there a new band or do you
just keep tuning below
the BC band,,,, if we ever get 600 meters the K3 would be a great and
only rig to have
coverage

Bob K3DJC 


On Mon, 2 Mar 2015 18:21:50 -0800 Wayne Burdick <n6kr at elecraft.com>
writes:
> Some users of the new synthesizer have also reported an improvement 
> in the way diversity mode sounds. This is due to a change in the way 
> the receivers are driven by the synths. 
> 
> In diversity mode, as long as the main and sub crystal filter 
> offsets are matched, both receivers are driven by the main synth 
> (the sub synth is not used in this case). So, when the VFO is moved, 
> the local oscillator phase relationship remains stable between the 
> main and sub receivers. 
> 
> With the original synths, moving the VFO even a small amount causes 
> both the main and sub synths to be updated. Since they use separate 
> LC oscillators, the phase relationship will change. The two will 
> remain phase-locked to the reference, but the absolute value of the 
> phase between the two synths will be some value between 0 and 180 
> degrees.
> 
> We'll add this to the FAQ.
> 
> 73,
> Wayne
> N6KR