[bars] 2.182 MHz xtals?

Eric A. Cottrell wb1hbu at runbox.com
Sun Jun 2 15:55:23 EDT 2019


Hello,

X3 is used for LSB and X2 is used for the other modes. I suspect they 
flip the IF spectrum to handle LSB by doing high-side injection. That 
would make the frequencies more like 2138 KHz and 2252 Khz.

73 Eric

On Sun 6/2/2019 2:25 PM, Andy Wallace wrote:
> A friend is restoring an RME 6900 receiver and someone moronically removed the two 2.18 MHz IF xtals. Would anyone have a pair in the junkbox? The manual does not say the exact freq, just an RME part number, but I am guessing since 2.182 was the old maritime distress freq that was what RME used, perhaps they were common in surplus. If someone has a pair that’s “close” perhaps the IF can be tweaked a bit to match.
>
> Thanks
> Andy
> KA1GTT at arrl.net
>
>
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