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OPA454做一个电压放大电

Other Parts Discussed in Thread: OPA454

用OPA454把1个1V的声音信号放大到60倍,测下来出来的信号只有20V不到,而且信号失真。是什么原因呢?电源是正常的,我把负电源接到GND,正电源接到60V