BJT 晶体管偏置电压计算器 输入数值点击“计算”,将显示计算结果。 输入数值: 基极偏压类型: Series Resistor Voltage Divider Volts Rb = Base Resistance Vin = Input Voltage Rc = Collector Resistance Re = Emitter Resistance Vs = Supply Voltage Vc = Collector Voltage Ve = Emitter Voltage Vb = Base Voltage `I_b=[V_i n-Base t o Emitter Drop]/[R_b+Curren t gai n×R_e] ` Ic = Collector gain x Ib Ve = IC x Re Vb = Ve x Base to Emitter Drop Vc = Vs - IC x Rc If (Vc < Ve) then, `V_e=[V_s×R_e]/[R_e+R_c] ` Vc = Ve Vb = Ve + Base to Emitter Drop `I_c=V_s/[R_e+R_c] ` Rc = Collector Resistance Re = Emitter Resistance Vs = Supply Voltage Vc = Collector Voltage Ve = Emitter Voltage Vb = Base Voltage ` V_b=[R_a×R_b]/[R_a+R_b] ` ` V_i n=[V_s×R_b]/[R_a+R_b] ` `I_b=[V_i n-Base t o Emitter Drop]/[R_b+Curren t gai n×R_e] ` Ic = Collector gain x Ib Ve = IC x Re Vb = Ve x Base to Emitter Drop Vc = Vs - IC x Rc If (Vin < Vb) then, < Vc = Vs Ve = 0 < Vb = Base to Emitter Drop Ic = 0 Ib = 0 基极电阻 (Rb): K Ohms 输入电压 (Vin): Volts Ra: K ohms Rb: K ohms 集电极电阻 (Rc): K ohms 发射极电阻 (Re): K ohms 电源电压 (Vs): Volts 电流增益: 基极到发射极压降: Volts 计算结果: 集电极电压 (Vc): Volts 发射极电压 (Ve): Volts 基极电压 (Vb): Volts 集电极电压 (Ic): mA 基极电压 (Ib): mA