Futaba crystals

[syco133]

Has anyone else tried to run other brands of crystals in a futaba reciver.It is a 75 mhz am and I tried to run jr crystals in it.It wouldnt stop glitching any suggestions would be great.

 

[RCALLOYS]

I had the same experience with my new Airtronics radio. It has a dual conversion 75mhz FM receiver. My Futaba was a 75mhz FM dual conversion as well. So, I took the Futabas and installed in the Airtronics..........no worky. Thing just about jumped off the counter glitching all over the place. Didn't quite understand all that. Figured it wouldn't matter what brand crystals they were, long as they were the same specs, 75mhz FM dual conversion. Dunno what the deal is but if any of the electronics gurus has an answer, would be great.

 

[jimbitchin]

Has anyone else tried to run other brands of crystals in a futaba reciver.It is a 75 mhz am and I tried to run jr crystals in it.It wouldnt stop glitching any suggestions would be great.

futaba is only compatable with hi tec. jr, airtronics, ko,&mpx are compatable w/ eachother

 

[sllimj]

just so we can sound intelligent at our next dinner party, can anybody explain way? ....... One would think a same, same ...... but that is obviously incorrect,
and I'm sure there is a incredible explanation somewere out there

 

[JasonInAugusta]

Different radios have different intermittent frequencies in the RX. "Dual Conversion" means that the modulated carrier signal goes through two demodulation circuits, each with a different intermittent frequency, to pull the actual data off the carrier.

Different manufacturers have varying IFs so things won't just plug in and work. You also can't use a single conversion crystal in a dual conversion system.

 

[jimbitchin]

Different radios have different intermittent frequencies in the RX. "Dual Conversion" means that the modulated carrier signal goes through two demodulation circuits, each with a different intermittent frequency, to pull the actual data off the carrier.

Different manufacturers have varying IFs so things won't just plug in and work. You also can't use a single conversion crystal in a dual conversion system.

wow that made my answer sound like im three

 

[sllimj]

Different radios have different intermittent frequencies in the RX. "Dual Conversion" means that the modulated carrier signal goes through two demodulation circuits, each with a different intermittent frequency, to pull the actual data off the carrier.

Different manufacturers have varying IFs so things won't just plug in and work. You also can't use a single conversion crystal in a dual conversion system.

WOW now that is impressive, Hats off to you

 

[chafey]

they also 'READ' different sides of the sine wave.