[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fLLD9pT5SVZWBGbDEveicO86P64a4OG1E0Vo9rjiOkw0":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-06-11 20:33:17",150455002,[8,9,10,11],"0.7","0.7RC","1.4RC","1.4",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},20,"2d21d18866c66f5b5ced9edf210da9e0","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F11e590979864191716fdf2fada9cdb6d.png","数字电子技术","exam_125163993","第九章单元测试","或非门构成的单稳态触发器电路如下,该单稳态触发器的暂稳态维持时间为 .&rlm;&zwj;\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7fc34ef7d8c75677cd959de45c3165d8.jpg\">&rlm;",[21,32,41,50,59,66,75,84,87,92],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],150454994,[25,26,27,28],"不确定","0","1","1或0","或非门构成的单稳态触发器电路如下,该单稳态触发器的稳态是 .&rlm;\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F288d7fdfe822b87b82ed9558e1e38ad5.jpg\">","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],150454995,[36,37,38,39],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3998315927578ee2904883781eb40936.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F472fff43688a1025da0317271ccdd0e0.png\">","B","都可以","集成单稳态触发器74LS121电路结构如下图,该触发器的输入端中 个为正脉冲触发信号.\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcb2bb72d8d992207618a70e0c4b8cf8a.png\">",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],150454996,[45,46,47,48],"仅小于信号脉宽","大于噪声脉宽,且小于信号脉宽","小于噪声脉宽,且大于信号脉宽&middot;","仅大于噪声信号脉宽","一单稳态触发器消除噪声电路如下图,要求该单稳态触发器的暂稳态时间 .\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F141c947c319bb72be161254983a02323.jpg\">&lrm;",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],150454998,[54,55,56,57],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0f4a358434468c568c87684ba7f36c25.jpg\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2b8e93ca3b52134d0327a68c8633569b.jpg\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F319b0110a235728e463d22d8006ce3ef.jpg\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Feeae88d04225097b5afe5e53dd30bb4f.jpg\">","&zwj;已知一施密特触发器电路结构如下,该施密特触发器的正向阈值电压计算式为 . &rlm;\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1bfdc96d3bfad825bee29101748d5937.png\">",{"answer":60,"createTime":5,"id":61,"options":62,"question":65,"source":30,"type":31},[],150454999,[63,9,64,10],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffb1667d7c3ec4b06154b8f5b6afb239d.jpg\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F368ec2f9b6c6916b1985208777b0b27f.jpg\">","一多谐振荡器电路如下,其振荡周期约为 .\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F80ae5dc28a6d53a14e1244b309bb6fa4.png\">&zwnj;",{"answer":67,"createTime":5,"id":68,"options":69,"question":74,"source":30,"type":31},[],150455000,[70,71,72,73],"与RC 以及正向阈值电压、负向阈值电压相关","与RC、正向阈值电压、负向阈值电压以及电源电压相关","仅与阈值电压相关","仅与RC 相关","由施密特触发器构成的多谐振荡器,其振荡周期与 因素相关&lrm;",{"answer":76,"createTime":5,"id":77,"options":78,"question":83,"source":30,"type":31},[],150455001,[79,80,81,82],"低电平","高电平","负脉冲","正脉冲","或非门构成的单稳态触发器电路如下,该单稳态触发器的触发信号是 .&rlm;&zwj;\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5e1bd2da58c533c96dbaa8d03b17354f.jpg\">&rlm;",{"answer":85,"createTime":5,"id":6,"options":86,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":88,"createTime":5,"id":89,"options":90,"question":91,"source":30,"type":31},[],150455003,[26,28,25,27],"集成单稳态触发器74LS121电路结构如下图,该触发器的输出\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa10ec417b67c8c5935638c2e66d4a245.png\">端稳态为 .\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcb2bb72d8d992207618a70e0c4b8cf8a.png\">&zwj;",{"answer":93,"createTime":5,"id":94,"options":95,"question":100,"source":30,"type":31},[],150455004,[96,97,98,99],"0.7R1C1","0.7R1C2","0.7R2C1","0.7R2C2","某单稳态触发器延时电路如下图所示,该电路输出信号vo的上升沿相对于Vi的上升沿的延时时间约为 . &zwnj; \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8bfaeb42db32ea31d645fb1d6c7c1e2d.png\">"]