基于Verilog-A的陀螺仪接口电路模型及行为仿真  

Interface circuit model and behavior simulation of gyroscope based on Verilog-A

作　　者：范艺晖 孟真[1] 张兴成[1] 韩世鹏 吴健文 Fan Yihui;Meng Zhen;Zhang Xingcheng;Han Shipeng;Wu Jianwen(Institute of microelectronics,Chinese Academy of Sciences,Beijing,100029)

机构地区：[1]中科院微电子所,北京100029

出　　处：《电子测试》2021年第2期63-66,共4页Electronic Test

摘　　要：本文分析了MEMS陀螺仪的工作原理,基于Verilog-A硬件描述语言建立了环形二极管解调的陀螺仪接口电路模型,并对电路进行了行为级仿真和实验验证。接口电路模型中的所有模块性能指标由计算推导得出,通过Verilog-A语言定义。本文还研究了接口电路相关参数改变,对系统输出的线性度,电容电压增益,建立时间的影响。该模型为后续硬件设计及优化提供了可靠的参照。The working principle of MEMS gyroscope is analyzed in this paper.Based on verilog-a hardware description language,the interface circuit model of gyroscope demodulated by ring diode is established,and the behavior level simulation and experimental verification of the circuit are carried out.The performance indexes of all modules in the interface circuit model are derived by calculation and defined by verilog-a language.This paper also studies the influence of the parameters of the interface circuit on the linearity of the system output,the capacitor voltage gain and the setup time.The model provides a reliable reference for subsequent hardware design and optimization.

关 键 词：陀螺仪接口电路 环形二极管解调 VERILOG-A 行为级仿真 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置] TH824.3[自动化与计算机技术—控制科学与工程]