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《Chinese Journal of Sensors and Actuators》 2007-04
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Design of Driving Circuit for Microsensor and Its Optimization

GAO Yan,SHI Wen-kang,JI Xiao-jun(Shanghai Jiaotong University,Shanghai 200240,China)  
The frequency and the swing of the microgyroscope's driving voltage is steady or not directly influence the microgyroscope's work capability.The design adopts DSP's PWM to emit sine wave whose frequency is steady,and adopts push-pull driving closed loop control to ensure the swing's steady.And we use circuit optimization method to optimize band-passing filter in the driving circuit to improve performance.
【CateGory Index】: V241.5
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