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基于S1336-8BK荧光放大电路设计

Other Parts Discussed in Thread: OPA846, OPA827

由于项目需要,需要设计一个荧光前置放大电路,光电探测器使用是S1336-8BK,放大器使用的是OPA846,原理图和PCB如下图:

未加点,无光照的情况下输出波形如下图所示:

加上正负5V电源,无光照的情况下输出如下图所示:

想请教下前辈们这电压应该是噪声吧?该怎么消除啊。。。。。