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Hybrid-Pi Bipolar Transistor (Closed Form): HYBPI




Name Description Unit Type Default
ID Element ID Text B1
G Magnitude of transconductance Conductance 0.1 S
T Transit time Time 0 ns
CPI Base to emitter capacitance (PI) Capacitance 0 pF
RPI Base to emitter resistance (PI) Resistance 10 ohm
CMU Base to collector capacitance (MU) Capacitance 0 pF
RMU Base to collector resistance (MU) Resistance 1000 ohm
RB Base resistance Resistance 1 ohm
RC Collector resistance Resistance 1 ohm
RE Emitter resistance Resistance 1 ohm


This element does not have an assigned layout cell. You can assign artwork cells to any element. See “Assigning Artwork Cells to Layout of Schematic Elements” for details.


  1. Assumed to be noiseless.

  2. RPI must be greater than zero.

  3. RMU must be greater than zero.

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