Parameters: RB: Reference zero-bias base resistance (default value = 0 Ohm) RBM: Reference minimum base resistance (default value = 0 Ohm) IRB: Current where base resistance falls halfway to minimum value (default value = 0 Amp) Tnom: Reference temperature (default value = 300.15 oK) TRB1: Linear temperature variation coefficient of RB (default value = 0 1/oK) TRB2: Quadratic temperature variation coefficient of RB (default value = 0 1/oK2) TRM1: Linear temperature variation coefficient of RBM (default value = 0 1/oK) TRM2: Quadratic temperature variation coefficient of RBM (default value = 0 1/oK2) Area: Relative area occupied by resistor (default value = 1) Level: Transistor modeling level (Ebers-Moll = 1; Gummel-Poon = 2) (default value = 2)