[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fhBcyu8brcCS6Sz0lvJAnukYw0OdeJYe5yTIdMUDj8hQ":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-09-30 17:03:20",219137468,[8,9,10,11],"积分运算电路","迟滞电压比较器","过零电压比较器","比例运算电路",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},28,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","exam_167569998","电路与模拟电子技术 414555312B","非正弦波发生器的核心是()",[21,32,41,50,59,68,77,86,95,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],219137443,[25,26,27,28],"逐渐接近","没有关系","逐渐偏离","波形一致","在电容滤波的三相不可控桥式整流电路中,当考虑电感时,随着负载的加重,电流波形与电阻负载时的交流侧电流波形关系是()","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],219137446,[36,37,38,39],"使用前,应检查电网电压是否与仪器的电源电压要求一致","聚焦时为使光点细小,把亮度调最亮","示波器与被测电路的连接应特别注意,当被测信号为低频或几百千赫以下的连续信号时,可以用一般导线连接","在用到示波器的&quot;灵敏度&quot;和&quot;扫描速度&quot;开关作定量测量时,要先用标准信号对这些量程开关进行校准","关于示波器的使用,说法错误的是()",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],219137449,[45,46,47,48],"第一级输出电阻","最后一级输出电阻","每级输出电阻之和","每级输出电阻之差","多级放大器的输出电阻RO就是()",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],219137452,[54,55,56,57],"稳定静态工作点","交流旁路,减少信号在RE上的损耗","改善输出电压波形","减小信号失真","有些放大器在发射极电阻上并联一个电容CE,则CE的作用是()",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],219137455,[63,64,65,66],"进程语句","CASE语句","元件例化语句","WHEN&hellip;ELSE&hellip;语句","下列语句中,不属于并行语句的是()",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],219137458,[72,73,74,75],"电源电压","0V","基准电压","最小电压","在数字到模拟D\u002FA转换电路中,如果输入的数字信号是00H,则输出的模拟电压值是()",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":30,"type":31},[],219137461,[81,82,83,84],"线性区、负反馈","线性区、正反馈","饱和区、开环或正反馈","包河区、负反馈","在电压比较器电路中,集成运算放大器工作在()",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":30,"type":31},[],219137464,[90,91,92,93],"103&Omega;","1030&Omega;","10k&Omega;","10.3&Omega;","若一贴片电阻标示值为103,则该电阻的阻值为()",{"answer":96,"createTime":5,"id":6,"options":97,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],219137472,[102,103,104,105],"低通","高通","带通","带阻","为了避免50Hz电网电压的干扰进入放大器,应选用()滤波电路"]