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功放芯片（例如LM4871）里面附加了许多图表（例如LM4871LD THD+N vs Output Power、LM4871LD THD+N vs Frequency）都是在什么样的测试电路上进行测量得到的？
亲；任何数据表里的测试数据；都是有特别注明的条件测得的。就你提及；典型测试电路是数据表第二页图三。
