icBJTAmplifiers2.3AnalysisofBJTAmplifiers2.4Multi-StageBJTAmplifiers2.5FrequencyResponseofAmplifiers第二章三极管及三极管放大电路2.1BipolarJunctionTransistor2.1.1TheStructureandSymbolofBJT2.1双极型三极管2.1.1BJT的结构和符号StructureFigure2.12.1.1BJT的结构和符号SymbolFigure2.2TestingCircuit2.1.2BJT的特性2.1.2TheCharacteristicsofBJT1.TheInputCharacteristics(输入特性曲线)2.1.2BJT的特性2.TheOutputCharacteristics(输出特性曲线)2.1.2BJT的特性Saturationregion:b-eandb-cjunctionsare?bothforward-biasedAmplificationregion(activeregion):?b-ejunctionsisforward-biasedb-cjunctionsisreverse-biasedCut-offregion:b-ejunctionsisreverse-biased3.TemperatureEffectsonBJT(温度对三极管的影响)2.1.2BJT的特性EffectoninputcharacteristicsEffectonoutputcharacteristics2.1.2BJT的特性2.2BasicBJTAmplifiers2.2.1Amplification2.2基本三极管放大电路2.2.1放大Amplifier2.2.mon-EmitterAmplifier2.2.2基本共射放大电路