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LMH6505: LMH6505压控放大器输出信号幅值最大只能达到20mV左右

Part Number: LMH6505


搭建LMH6505 datasheet中的电路,输入1KHz,1V正弦波信号,控制电压Vg在0-1V,为什么输出信号虽然为正弦波,但是信号幅值最大只有20mV,即无法实现-60dB-20dB之间的增益控制。