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设计使用cdcv304模拟振幅调制，将载波13.56M输入到clkin，信源为脉冲信号输入到oe，y0输出调制信号。现用示波器观测电源管脚发现3.3v有很大的噪声波动，y0调制输出也有很大噪声，且调制信号赋值衰减很大。
请问这是设计问题，还是哪里有问题呀？
电源管脚的滤波电容值多大？
