FM Crystal Q - RCCanada - Canada Radio Controlled Hobby Forum
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Old 08-26-2006, 04:45 PM   #1
pomme de terre
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I know that FM radios have positive or negative shift depending on brand, so I have to get crystals to match.

I have read that Futaba and Hitec are negative shift, whereas Airtronics and JR are positive shift. What I dont know is where KO Propo fits in. I need a set of xtals but couldnt find KO ones, so Im wondering what shift it is and if I can use an xtal of the same shift but different brand.

Oh, and how does this single and dual conversion stuff work?
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Old 08-26-2006, 08:37 PM   #2
imported_Rc Squirt
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dont listen to me but i thinkl that there the same as jr not sure.
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Old 08-26-2006, 09:22 PM   #3
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I'm not sure about single and dual conversion, but I know JR and Airtronics are compatable, and Hitec and Futaba, as you said. KO Propo is practicly the same as JR, so it fits in with it

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