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SDR kits VFO


 

I've recently built a SDR kits VFO (3.5 to 160 MHz) .. It's working fine, But when I connect it to my BITX-40 the LSB is flipped to USB .. I've put the IF as 12.0 MHz and the VFO range is 4.8 -5 MHz .. To cover 7.0 -7.200 ... Any ideas why it flips the Sideband ?

Regards Mark


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