• 在收音机上使用Si4730进行FM接收,收音效果差,应如何查找原因?

  • 创建于2015-09-25

1个回答

  • _世强 (0)
    首先检查硬件原理图,确认无误;再和之前生产的机器进行对比测试,发现FM收音相对比较差;拆开机子,对两台机子进行比较,发现功放不一样,将功放去掉,再次对比两台机子,FM收音效果一样。原因找到,是由于功放的干扰导致FM收音差,后续改善功效相关。
    创建于2015-09-25

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