已选用DRV2700作为PZT的驱动器,驱动功能可以实现,但是会带来干扰,影响其它指标,不能满足设计要求。因此想选用一个通用放大器和一个功率放大器来驱动PZT. MCU通过DAC将控制信号(0~2.5V)输入到通用放大器将信号放大,在输入到功率放大器,功率放大器要输出0~100V的电压驱动PZT(PZT是容性负载)。 请问如何实现?
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