OrCAD电子教程 附件.pdfVIP

附件A 、三极管的 Pspice 模型参数 .Model model name NPN(PNP 、LPNP) [model parameters] 模型参数 含 义 单 位 默认值 备 注 AF flicker noise exponent 1.0 噪声指数 BF ideal maximum forward beta 100.0 最大正向放大倍数 BR ideal maximum reverse beta 1.0 最大反向放大倍数 CJC base-collector zero-bias p-n capacitance farad 0.0 集电结电容 CJE base-emitter zero-bias p-n capacitance farad 0.0 发射结电容 CJS (CCS) Substrate zero-bias p-n capacitance farad 0.0 EG bandgap voltage (barrier height) eV 1.11 FC forward-bias depletion capacitor coefficient 0.5 GAMMA epitaxial region doping factor 1E-11 IKF (IK) corner for forward-beta high-current roll-off amp infinite IKR corner for reverse-beta high-current roll-off amp infinite IRB current at which Rb falls halfway to amp infinite IS transport saturation current amp 1E-16 饱和电流 ISC (C4) base-collector leakage saturation current amp 0.0 集电结漏电流 ISE (C2) base-emitter leakage saturation current amp 0.0 发射结漏电流 ISS substrate p-n saturation current amp 0.0 ITF transit time dependency on Ic