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Originally Posted by ariesmars
I was thinking of purchasing a hitec feather receiver but it has no crystal. I do have a crystal in a off brand radio that came with a TB-20 radio and wanted to know if I could use that one in the receiver. Yes or no?
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No, especially so with the Feather RX.
Crystals are no longer interchangeable between brands. Whilst you may get reasonable results in good conditions with Hitec xtals in Futaba RX, Hitec crystals must be used in Hitec RX for optimum results. Futaba single conversion RX crystals may appear to work but with proven less range and glitching, especially noticeable in damp weather or wet ground. Local radio technician was surprised but ran a number of tests with result he is also now convinced that there is a significant difference in the crystals.
RC Groups Sticky - Data - What type of crystal do you need ?
Transmitter Crystals - do not interchange between brands except as listed by GWS
Crystal Compatability Chart for RC units (courtesy GWS)
The following may also assist:
Single Conversion vs Dual Conversion - fact sheet
IPD (Intelligent Pulse Decoding) Receivers - FAQ .pdf file
see also sub section "Crystals, Oscillators & Piezo " under "Radio Systems, Accessories, Alterations and FAQ" on my web page.
Regards
Alan T.
Alan's Hobby, Model & RC FAQ Web Links[/