微弱信号调理电路和模数转换电路的探讨

A Discussion of weak signal procession and A/D circuit

模拟电路的设计知识虽散,设计人员需具备一定的实践经验,但也是有轨可寻。本文通过直流激励MEMS压力传感器,尤其是交直流激励MEMS差分电容振动加速度传感器的调理电路和模数转换电路的实现二个典型电路,来阐述模拟电路的设计的一些方法、规律,抛砖引玉。

This article discusses four typical procession and AD circuits for DC stimulated pressure sensor, AC/DC difference capacitance vibration acceleration sensor to present some methods of analog circuit design.