[Elecraft] New xtals
Phil Wheeler
[email protected]
Tue Nov 5 12:56:01 2002
Larry - WA2DGD wrote:
>Hi Mike, and all
>
>Thanks for the reply. No, I'm not changing the rf\af gain settings. I've
>tried "pushing, wiggling" the xtals but no change.
>When listening to the bands, the filters are working nicely but way toooo
>much loss on. It appears they have a nice shape but too much insertion loss.
>I'm hoping its not a bad xtal. Any other help or ideas?
>
Since it affects both CW and SSB, seems like the problem would be on the
RF board. You could verify that by pulling the SSB board and installing
the jumpers needed to bypass it. If all modes still show the deep
attenuation of the narrower filters, it must then be on the RF board.
I haven't looked at the ckt diagram lately, but I'm having trouble
imagining a problem that would affect FL2-4 without attenuating FL1
also. That does seem to be the key clue.
73, Phil