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OPA892: 不同频率的正弦波输入信号到放大器会产生不同的输出波形失真

Part Number: OPA892

电路原理图如下所示:

PCB实物图如下所示:

两根射频连接跳线是为了只测试板子上由两个 OPA892 构成的两级放大。
不同频率的输入信号(蓝色)和放大后的输出信号(黄色_“打开反相”)如下所示: