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Old 09-09-2006, 02:22 PM   #1
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Default Futaba Dual Conversion Crystals

I need some inputs regarding Futaba Dual Conversion Crystals. What are they ? I have two of them and they don't work

My receivers are R113iP PCM 1024 75 MHz.

http://www2.towerhobbies.com/cgi-bin/WTI0097P
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Old 09-09-2006, 02:50 PM   #2
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What is the frequency or channel number of the crystals?

I'm not sure but the dual conversion crystals are for aircraft radios. If the frequency is 72.xxx mHz or if the channel number is below 62 they're aircraft frequency crystals and won't work in your radio.
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Old 09-10-2006, 11:00 AM   #3
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It's number 80 ( 75.790 ) FM. It has Dual Conversion Label on the crystal. I thought it was for regular FM or PCM mode.

I got them from tower hobbies.
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