现代传感器调理电路噪声抑制探讨

摘要

现代传感器调理电路噪声抑制是个重要而复杂的问题,有一些相关的原理与技术尚待进一步探讨；从应用的角度出发,结合现代传感器调理电路的构成特点和噪声特点,探讨了现代传感器调理电路设计过程中,PCB布局和前置放大器与滤波器、ADC、MCU等典型单元电路和芯片应用设计时,噪声抑制的若干误区与对策；讨论与结论表明,现代传感器调理电路构成特点决定了其噪声问题的新特点与新要求,解决噪声问题需采用新原理与新技术.%The noise reduction in modern conditioning circuits of sensor signals is important and complicated) and some associated principles and techniques are yet to be discussed. On the purpose of practices, considering the configuration features and the noise features of modern conditioning circuits of sensor signals, several key misunderstandings and relevant countermeasures associated with noise reduction in designing typical modern conditioning circuits of sensor signals are explored. The discussions and conclusions demonstrated that some novel principles and techniques are required for noise reduction in modern conditioning circuits of sensor signals.