[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fde3b54frKBxweRYwcf6N7bJwV21g2NZJ99EF9NF4Mp0":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-03-24 19:26:31",133511024,[8,9,10,11],"a,d,c,b","d,c,a,b","c,a,d,b","c,d,a,b",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},23,"fed776591cc57f395c279530e3902066","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7e2d5ad53be3d12aacc56ee37db405b7.jpg","电子技术基础模拟部分","work_32600741","信号的运算与处理电路自测题(完成题目时间为14天)","试分析下列情况,各属于哪种滤波器? ①________在f=0和f=∞时,电压增益都等于零; ②在理想情况下,____在f=0和f=∞时的电压增益相等,且不为零; ③________的直流电压增益就是它的通带电压增益; ④在理想情况下,________在f =∞时的电压增益就是它的通带电压增益. a.低通滤波器 b.高通滤波器 c.带通滤波器 d.带阻滤波器",[21,32,41,44,54,63,70,78,85,94],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],133511022,[25,26,27,28],"-2","2","-1","1","如图所示电路中的A均为理想运放,求放大倍数 . \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdce08b4b4f15e903f18c2bd0ecc3fb30.png\">","v1",0,{"answer":33,"createTime":34,"id":35,"options":36,"question":40,"source":30,"type":31},[],"2024-03-21 15:37:52",133511023,[37,38,39],"6","9","3","如图所示电路中的A均为理想运放,试标出各电路的输出电压值 V. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F30da94fb74c7db307eb22db588cc64da.png\">",{"answer":42,"createTime":5,"id":6,"options":43,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":45,"createTime":46,"id":47,"options":48,"question":53,"source":30,"type":31},[],"2024-03-24 19:26:30",133511025,[49,50,51,52],"b,d","c,d","a,c","a,e","如图所示电路是一个输入电阻 ,共模抑制作用________的放大器. a. 高 b. 低 c.一般 d.不确定 e.较好 f.较差 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7b447de4332abfb9c424998cf861bbd2.png\">",{"answer":55,"createTime":34,"id":56,"options":57,"question":62,"source":30,"type":31},[],133511027,[58,59,60,61],"8","20","-20","-8","如图所示电路中的A均为理想运放,求Vo2对输入信号的放大倍数 . \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6541786df286e8be4232f8896d16b308.png\">",{"answer":64,"createTime":65,"id":66,"options":67,"question":69,"source":30,"type":31},[],"2024-03-21 15:37:51",133511028,[68,26,37],"4","如图所示电路中的A均为理想运放,试标出各电路的输出电压值 V. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F395d0e5e29194ced05077933756dd95d.png\">",{"answer":71,"createTime":72,"id":73,"options":74,"question":77,"source":30,"type":31},[],"2024-03-18 18:02:05",133511029,[75,39,76,37],"-6","-3","如图所示电路中的A均为理想运放,求放大倍数 . \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd1f863cf98d36b1203759c2808a855ca.png\">",{"answer":79,"createTime":46,"id":80,"options":81,"question":84,"source":30,"type":31},[],133511030,[82,58,83],"12","10","如图所示电路中的A均为理想运放,试标出各电路的输出电压值 V. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2d448ec26c3e244de1468f86959ec291.png\">",{"answer":86,"createTime":46,"id":87,"options":88,"question":93,"source":30,"type":31},[],133511031,[89,90,91,92],"a,d,f,e,d","b,c,a,d,f","a,d,c,e,b","a,b,c,d,e","设题中运放为理想器件. 当集成运放工作在______时,可运用_______和________概念,而______是_____的特殊情况. a.线性区 b.非线性区 c.开环 d.虚短 e.虚地 f.虚断",{"answer":95,"createTime":5,"id":96,"options":97,"question":100,"source":30,"type":31},[],133511032,[28,98,99,26],"0.5","0","如下图所示电路中,红色点处的电压值为多少______ V. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F94ee90464e17c677824c69f7621b2ee5.png\">"]