一种接收系统电路容差分析研究

对影响电路容差性能的关键参数进行仿真、分析和调整,优化电路容差性能。根据容差分析的一般流程,利用Mentor软件对一种接收系统模拟电路的参数进行容差仿真,采用蒙特卡罗法、最坏情况法和参数扫描法对电路容差的稳定性进行分析。通过调整元器件的标称值、精度及温度系数等参数,改进了电路的容差性能,达到了设计要求。仿真结果表明,调整元器件的重要参数,可以改变电路的容差性能,优化所设计的电路,节省设计时间和设计费用,为提高产品的可靠性提供了一种新的途径。

Study on circuit tolerance analysis of one kind receiver system

In order to improve and optimize the requirement of the circuit tolerance performance,the key parameters which affect the tolerance stability of the circuit were simulated,analysed and adjusted.The tolerance simulation analysis of the analog circuit parameters in a kind of receiver systems is performed according to the common flow of tolerance analysis with Mentor. Monte Carlo analysis,worst case analysis and parameters scanning analysis were introduced in this paper.Tolerance performance of the circuit was...