模拟电子技术基础简明教程（第三版）习题答案解析1-3(DOC) - 图文

word...文件格式精心整理版.....

习题2-23 P109Rb1C1Rc1VT1VCC?UBEQ解：①设UBEQ1=UBEQ2=0.7，?IBQ1?RbICQ1??1IBQ1?2mA?0.04mARc2+VCCVT2Re2uIuO设IBQ2<

word...文件格式精心整理版.....

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?1=40?2=20Rc1Re2VT1Rc2VT2+VCCuSRbuO-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??11.3V......内容结构完整...学用共享...

word...文件格式精心整理版.....

Rc1Re2VT1Rc2Ri2VT2+VCC?1=40?2=20uSRbRiuO②rbe1?300?(1??1)26?748?IEQ1-VEERc1=3.9k?Rc2=3.3k?Re2=2k?Rb=200k?IEQ1=2.38mAIEQ2=3.82mArbe2?300?(1??2)26?443?IEQ2Ri?Ri1?rbe1?748?，Ro?Rc2?3.3k?Ri2?rbe2?(1??2)Re2?42.443k?Rc1Re2+VCCVT2uSuiRbRiuc1VT1Rc2Ri2?1=40?2=20uO-VEERc1=3.9k?Rc2=3.3k?Ri1=748?Ri2=42.443k?rbe1=748?uc1?1(Rc1//Ri2)Au1?????191uirbe1u?RAu2?o??2c2??1.56uc1Ri2Au?Au1?Au2?297......内容结构完整...学用共享...

word...文件格式精心整理版.....

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?1I2b2C2b1RSrbe1Rb1?=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?......内容结构完整...学用共享...

word...文件格式精心整理版.....

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RiAus?Au??175.7Ri?RS?=100?rbe1=5.3k?UoRSrbe1Rb1?UiRi1?RE1Rb21Rb22rbe2?I?RC2RL?1I2b2b1Ri2③当RS=20k?时，如果去掉射极输出器，则Ri?Ri2?4.86k?Au?Au2??193.5RiAus?Au??37.8Ri?RSrbe2=6.2k?VCC=12VRS=20k?RE1=7.5k?RC2=12k?RE2=5.1k?Ri=252k?Ri2=4.86k?......内容结构完整...学用共享...