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Old 12-15-2005, 06:27 AM
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Default RE: Intermediate frequency, Question?

This would be 10.7 shifted either positive .455 for JR or negative .455 for Futaba.

10.7 MHz is the IF frequency used in most non-R/C broadcast band receivers, but I have never seen it in an R/C receiver. It could be used of course, but none of the schematics in my collection show it.
Actually, two are used, 10.245 or 11.155 MHz, which determines the "shift" of the receiver.
Look at the soldered in crystal in your receiver, not the plug-in replaceable one. they are generally marked with their frequency.