您好,如图所示,电源电压为12V,负载4欧姆:1.输出只有5V电压,这是怎么回事?2、在此基础上输入信号幅度稍微加大一点,输出信号会不重失真,抖动。根据PDF资料显示,TPA3116D2片子,效率为90%,我目前的现像是否正常?如何改良?谢谢您们!
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您好,如图所示,电源电压为12V,负载4欧姆:1.输出只有5V电压,这是怎么回事?2、在此基础上输入信号幅度稍微加大一点,输出信号会不重失真,抖动。根据PDF资料显示,TPA3116D2片子,效率为90%,我目前的现像是否正常?如何改良?谢谢您们!