CS-Series IF



The CS-Series is a great platform for learning and experimenting by changing a few components at a time just to see what effect it has.

So I'm curious why 8.4672 MHz was chosen as the IF in the CS-Series transceiver?

Could another frequency in the 8-10 MHz range be safely substituted for experimental purposes?  I do realize this would require completely recalculating and rebuilding the crystal ladder filter, replacing the crystal in the IF amp, and also altering the Arduino software.

Thank you,



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