[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f150kPpNexdoZFXOEZCYMnk-ENr1LFlUqOZ2TfF5h_wo":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":11,"question":17,"related":18,"source":28,"type":29},[],"2023-05-09 03:12:13",85109608,[8,9,10],"10 to about 10,000","a hundred to about a million","just a little less than 1 to a few hundred",{"courseId":12,"courseImg":13,"courseName":14,"workId":15,"workName":16},"1000007477","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F99a8d708a9428abb81c2d2774c8854dc.png","模拟电子技术基础（西安邮电大学）","30115390","模拟电子技术基础（西安邮电大学）教程考试","Depending on the configuration of the amplifier, the magnitude of the no-load voltage gain for a single BJT transistor amplifier typically ranges from ( )",[19,30,38,47,56,64,73,82,85,94],{"answer":20,"createTime":5,"id":21,"options":22,"question":27,"source":28,"type":29},[],85109524,[23,24,25,26],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe3852dc8c2235abd2492b705e7efba87.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa6225d98a1a07c81b5cc5ae9b2a980a4.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa323fb3f2311ef0d03370e7a224b27f8.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa5c3da429d17ad113a9947adf0d849db.png\">","The input impedance for a common-emitter configuration can be expressed as ( )","v2",0,{"answer":31,"createTime":5,"id":32,"options":33,"question":37,"source":28,"type":29},[],85109527,[34,35,36],"base voltage","emitter resistor","collector resistor","A(n) ( ) is added to the fixed-bias configuration to improve bias stability",{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":28,"type":29},[],85109534,[42,43,44,45],"conducts through 360° of the input waveform","conducts through 180° of the input waveform","conducts between 180° and 360° degrees of the input waveform, depending on the amount of dc bias","conducts through less than 180° of the input waveform","A class A amplifier ( )",{"answer":48,"createTime":5,"id":49,"options":50,"question":55,"source":28,"type":29},[],85109570,[51,52,53,54],"positive half cycle of the input waveform","negative half cycle of the input waveform","entire input waveform","The diode will block all current and there will be no current flowing through the load","The current flows through the load resistor in this circuit during the ( ).\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F485139ff6dd16d5bbe4077689d57b634.png\">",{"answer":57,"createTime":5,"id":58,"options":59,"question":63,"source":28,"type":29},[],85109580,[60,61,62],"89.0 mA","89.0 μA","0.119 mA","Calculate the base current for this emitter-stabilized bias circuit.( )\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3110fe5ce63694b2345d2cb46cfda8c7.png\">",{"answer":65,"createTime":5,"id":66,"options":67,"question":72,"source":28,"type":29},[],85109582,[68,69,70,71],"1 : 1","2 : 1","1: 2","Cannot be done in theory. It can be done in practice by making \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F291ac355ae25638ca6a22af7b597d84f.png\"> much larger than \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2efc7145528f8ea6b2270794461a2b63.png\">","If this circuit is to have an inverting voltage gain of 1, the ratio of \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F905d2d5be538dfc9e50a5d8e643212a0.png\"> : \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F07d59bf0d70ee75f1c140b5ab5e22475.png\"> should be ( ).\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8d6bdf31219fb86c8fdc071b3f9b94fd.png\">",{"answer":74,"createTime":5,"id":75,"options":76,"question":81,"source":28,"type":29},[],85109589,[77,78,79,80],"saturation region","active region","cutoff region","passive region","When a BJT has its base-emitter junction reverse biased and its base-collector junction forward biased, it is biased in the ( )",{"answer":83,"createTime":5,"id":6,"options":84,"question":17,"source":28,"type":29},[],[8,9,10],{"answer":86,"createTime":5,"id":87,"options":88,"question":93,"source":28,"type":29},[],85109620,[89,90,91,92],"differentiator","integrator","two-input multiplier","subtractor","This is a basic ( ) circuit. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffa4eaadfbe5e40b2ffcf845e7ccce614.png\">",{"answer":95,"createTime":5,"id":96,"options":97,"question":102,"source":28,"type":29},[],85109688,[98,99,100,101],"the reverse-biased","the forward-biased","both reverse- and forward-biased","zero-biased","When tested with an ohmmeter, a diode should have a relatively small resistance for ( ) condition"]