我有这么一个信号，周期大概是100us，每100us里面就有这么一个尖峰，想要采集尖峰的幅值
采集之前需要放大这个信号
假设这个周期是T，从0到尖峰点的时间是t，幅值是A的话，该怎么选运放呢？
比如SR就等于A/t吗？
GBW又该怎么计算呢？还有其他要注意的吗？
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