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如何处理数字功放干扰FM收音的问题
Date:July 19, 2022 Views:2032
问:
在使用CLASS D功放的过程中,总是处理不好其对FM收音的干扰,造成用D类功放的产品增加不了FM收音,销量大打折扣,请问如何处理?
答:
可以从以下三个方面来尝试进行改善电磁干扰问题:
1,优化PCBlayout;
2,优化系统layout,比如喇叭线长度,屏蔽措施,系统接地等方面;
3,可以应用带扩频功能的D类功放或带AB/D类切换功能的F类功放。
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