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完美WORD格式编辑

26?0.95k?②rbe1?300?(1??1)IEQ126rbe2?300?(1??2)?0.5k?IEQ2Ri1?Rb1//rbe1?0.95k?Rb1C1Rc1VT1Rc2+VCCVT2Re2uIuORi2?rbe2??1??2?Re2?23.75k?Au1??Au2???1(Rc1//Ri2)rbe1??238.5?2Rc2??2.53rbe2?(1??2)Re2?2Rc2Au?Au1Au2???603rbe2?(1??2)Re2Ro?Rc2?2k?VCC=15VRb1=360k?Rc1=5.6k?Rc2=2k?Re2=750?β1=50β2=30习题2-24 P109Rc1Re2VT1Rc2VT2+VCC?1=40?2=20uSRbRiuO-VEE解：①uS=0时，uC2=uO=0ICQ2?VEE/Rc2?3.64mAIBQ2?ICQ2/?2?0.18mAIEQ2?IBQ2?ICQ2?3.82mAUEQ2?VCC?IEQ2Re2?4.36VUBEQ1=0.7V|UBEQ2|=0.7VVCC=12VVEE=12VRc1=3.9k?Rc2=3.3k?Re2=2k?Rb=200k?UCQ1?UBQ2?UEQ2?UBEQ2?3.66V 学习指导参考资料

完美WORD格式编辑

Rc1Re2VT1Rc2VT2+VCC?1=40?2=20uSRbuO-VEEIRC1?(VCC?UCQ1)/Rc1?2.14mAICQ1?IRC1?IBQ2?2.32mAIBQ1?ICQ1/?1?0.058mAUBEQ1=0.7V|UBEQ2|=0.7VVCC=12VVEE=12VRc1=3.9k?Rc2=3.3k?Re2=2k?Rb=200k?IEQ1?ICQ1?IBQ1?2.38mAUEQ1??VEE??12V，UBQ1??11.3VRc1Re2VT1Rc2Ri2VT2+VCC?1=40?2=20uSRbRiuO-VEE26?748?②rbe1?300?(1??1)IEQ1rbe2?300?(1??2)26?443?IEQ2Rc1=3.9k?Rc2=3.3k?Re2=2k?Rb=200k?IEQ1=2.38mAIEQ2=3.82mARi?Ri1?rbe1?748?，Ro?Rc2?3.3k?Ri2?rbe2?(1??2)Re2?42.443k? 学习指导参考资料

完美WORD格式编辑

Rc1Re2+VCCVT2uSuiRbRiuc1VT1Rc2Ri2?1=40?2=20uO-VEERc1=3.9k?Rc2=3.3k?Ri1=748?Ri2=42.443k?rbe1=748?uc1?(R//Ri2)??1c1??191uirbe1uo?2Rc2Au2?????1.56uc1Ri2Au1?Au?Au1?Au2?297习题2-25 Rb1C11RSP110Rb21VT1RE1C12Rb22RE2RC2VT2CE2C22+VCC?=100rbe1=5.3k?rbe2=6.2k?VCC=12VRS=20k?Rb1=1.5M?RE1=7.5k?Rb21=91k?Rb22=30k?RC2=12k?RE2=5.1k?RLUs?Uo解：微变等效电路：RSrbe1Rb1?Uo?Ui?RE1Rb21Rb22rbe2?I?RRL?1I2b2C2b1 学习指导参考资料

完美WORD格式编辑

RSrbe1Rb1?=100?rbe1=5.3k?Uo?UiRi1?RE1Rb21Rb22rbe2?I?RC2RL?1I2b2b1Ri2①Ri2?Rb21//Rb22//rbe2?4.86k?Ri?Ri1?Rb1//[rbe1?(1??)(RE1//Ri2)]?252k?Ro?RC2?12k?rbe2=6.2k?VCC=12VRS=20k?Rb1=1.5M?RE1=7.5k?Rb21=91k?Rb22=30k?RC2=12k?RE2=5.1k?RSrbe1Rb1?=100?rbe1=5.3k?Uo?UiRi1?RE1Rb21Rb22rbe2?I?RC2RL?1I2b2b1Ri2②RL??,RS?0时(1??)(RE1//Ri2)Au1??0.98rbe1?(1??)(RE1//Ri2)Au2???RC2rbe2??193.5rbe2=6.2k?VCC=12VRS=20k?RE1=7.5k?RC2=12k?RE2=5.1k?Ri=252k?Ri2=4.86k?Au?Au1?Au2??189.6RS?20k?时Aus?RiAu??175.7Ri?RS 学习指导参考资料