仿真不成功求帮助！
时间：10-02
整理：3721RD
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我是一个ORCAD新手，我想用ICL8038产生方波、三角波、锯齿信号电路如图，总是出现错误不能仿真出结果，结果如下，请高手帮帮忙啊！
ERROR -- Less than 2 connections at node N08559
ERROR -- Less than 2 connections at node N08563
ERROR -- Less than 2 connections at node VPULSE
ERROR -- Less than 2 connections at node N0841911
ERROR -- Less than 2 connections at node N0841910
ERROR -- Less than 2 connections at node N084192
ERROR -- Less than 2 connections at node VTRI
ERROR -- Node N0841911 is floating
ERROR -- Less than 2 connections at node N08559
ERROR -- Less than 2 connections at node N08563
ERROR -- Less than 2 connections at node VPULSE
ERROR -- Less than 2 connections at node N0841911
ERROR -- Less than 2 connections at node N0841910
ERROR -- Less than 2 connections at node N084192
ERROR -- Less than 2 connections at node VTRI
ERROR -- Node N0841911 is floating