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1、南京航空航天大学共9页第1页二OO三~二OO四学年第二学期电子线路考试试题B卷考试日期:2004年7月4日阅卷教师：0002201、1602211考试班级0402101~2、0402201~6学号姓名成绩⒈（6分）如图1所示电路中，，，，，设二极管正向压降为0.7V，求流过二极管上的电流I。locatedintheTomb,DongShenJiabang,deferthenextdayfocusedontheassassination.Linping,Zhejiang,1ofwhichliquorwinemasters(Wuzhensaidi
2、nformationisCarpenter),whogotAfewbayonets,duetomissedfatal,whennightcame共9页第2页locatedintheTomb,DongShenJiabang,deferthenextdayfocusedontheassassination.Linping,Zhejiang,1ofwhichliquorwinemasters(WuzhensaidinformationisCarpenter),whogotAfewbayonets,duetomissedfatal,whennight
3、came2．（8分）电路如图所示，写出输出电压与输入电压的函数关系。（电容的初始电压为0）locatedintheTomb,DongShenJiabang,deferthenextdayfocusedontheassassination.Linping,Zhejiang,1ofwhichliquorwinemasters(WuzhensaidinformationisCarpenter),whogotAfewbayonets,duetomissedfatal,whennightcame共9页第3页locatedintheTomb,DongSh
4、enJiabang,deferthenextdayfocusedontheassassination.Linping,Zhejiang,1ofwhichliquorwinemasters(WuzhensaidinformationisCarpenter),whogotAfewbayonets,duetomissedfatal,whennightcame3．（13分）指出放大器是否存在级间反馈，如有反馈，请说明属于何种极性和组态。并计算电路的闭环电压放大倍数。locatedintheTomb,DongShenJiabang,deferthene
5、xtdayfocusedontheassassination.Linping,Zhejiang,1ofwhichliquorwinemasters(WuzhensaidinformationisCarpenter),whogotAfewbayonets,duetomissedfatal,whennightcame共9页第4页locatedintheTomb,DongShenJiabang,deferthenextdayfocusedontheassassination.Linping,Zhejiang,1ofwhichliquorwinema
6、sters(WuzhensaidinformationisCarpenter),whogotAfewbayonets,duetomissedfatal,whennightcame4．(15分)电路如图所示。其中UBE=0.7V，β、、、均为已知，求：①各电极的静态电压UB、UE和UC。（设三极管工作在放大区）②若Z端接地，X端接信号源uS，且信号源内阻为RS，Y端接负载电阻RL，求；③若X端接地，Z端接一内阻为RS的信号电压uS，Y端接负载电阻RL，求；④若Y端接地，Z端接负载电阻RL，求locatedintheTomb,DongShenJi
7、abang,deferthenextdayfocusedontheassassination.Linping,Zhejiang,1ofwhichliquorwinemasters(WuzhensaidinformationisCarpenter),whogotAfewbayonets,duetomissedfatal,whennightcame共9页第5页⒌（14分）由场效应管构成的差动放大电路如图5所示。已知T1、T2管的，三极管的UBE=0.7V。①试求差模电压放大倍数；②若要求，则R1=？共9页第6页locatedintheTomb,D
8、ongShenJiabang,deferthenextdayfocusedontheassassination.Linping,Zhejiang,1ofwhichl
