在PSPICE仿真的时候出现了如下两种问题，请教一下各位高手，谢谢啦！知道的麻烦转告一声，谢谢。
ERROR -- Convergence problem in bias point calculation
ERROR -- Convergence problem in transient analysis at Time = 15.47E-06
Time step = 5.982E-15, minimum allowable step size = 10.00E-15
