簡單一點講
單頻晶體就是用在單頻的接收機(PPM,PCM都有)
雙頻晶體就是用在雙頻接收機,通常雙頻接收機上都會印有一個紅色的(Dual-conversion)字樣,且接收機代號結尾通常會以DP OR DF標示,如圖:
FUTABA的網站有對雙頻做一簡單的解釋
Dual-conversion styles (noted by "DF" or "DP") filter signals twice for maximum clarity. http://www.futabarc.com/radioaccys/futl26.html如要在多認識一點相關知識可參考PIZAA的討論
http://www.efly98.com/cdb_efly98/viewthrea...ight=%C2%F9%C0Whttp://www.efly98.com/cdb_efly98/viewthrea...ight=%C2%F9%C0W