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bd4lb:@咸康然。谢谢留言!7.040兆的晶振,我是购买于:BD6CR,荣先生。是的,特殊频率的晶振,确实不太好买。收信机里面使用晶体滤波器,优点是省电。....... (2024-01-06 20:00)
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