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------------------------------------------------------------ | BJT - instance parameters (input-only) | |-----------------------------------------------------------+ | ic Initial condition vector | ------------------------------------------------------------ ------------------------------------------------------------ | BJT - instance parameters (input-output) | |-----------------------------------------------------------+ | off Device initially off | | icvbe Initial B-E voltage | | icvce Initial C-E voltage | | area Area factor | | temp instance temperature | ------------------------------------------------------------ ------------------------------------------------------------ | BJT - instance parameters (output-only) | |-----------------------------------------------------------+ | colnode Number of collector node | | basenode Number of base node | | emitnode Number of emitter node | | substnode Number of substrate node | ------------------------------------------------------------ | colprimenode Internal collector node | | baseprimenode Internal base node | | emitprimenode Internal emitter node | | ic Current at collector node | |-----------------------------------------------------------+ ib Current at base node | ie Emitter current | | is Substrate current | | vbe B-E voltage | ------------------------------------------------------------ | vbc B-C voltage | | gm Small signal transconductance | | gpi Small signal input conductance - pi | | gmu Small signal conductance - mu | |-----------------------------------------------------------+ | gx Conductance from base to internal base | | go Small signal output conductance | | geqcb d(Ibe)/d(Vbc) | | gccs Internal C-S cap. equiv. cond. | ------------------------------------------------------------ | geqbx Internal C-B-base cap. equiv. cond. | | cpi Internal base to emitter capactance | | cmu Internal base to collector capactiance | | cbx Base to collector capacitance | |-----------------------------------------------------------+ | ccs Collector to substrate capacitance | | cqbe Cap. due to charge storage in B-E jct. | | cqbc Cap. due to charge storage in B-C jct. | | cqcs Cap. due to charge storage in C-S jct. | | cqbx Cap. due to charge storage in B-X jct. | | continued | ------------------------------------------------------------ ------------------------------------------------------------ | BJT - instance output-only parameters - continued |-----------------------------------------------------------+ | cexbc Total Capacitance in B-X junction | | qbe Charge storage B-E junction | | qbc Charge storage B-C junction | | qcs Charge storage C-S junction | | qbx Charge storage B-X junction | | p Power dissipation | ------------------------------------------------------------ ------------------------------------------------------------ | BJT - model parameters (input-output) | |-----------------------------------------------------------+ | npn NPN type device | | pnp PNP type device | | is Saturation Current | | bf Ideal forward beta | ------------------------------------------------------------ | nf Forward emission coefficient | | vaf Forward Early voltage | | va (null) | | ikf Forward beta roll-off corner current | |-----------------------------------------------------------+ | ik (null) | | ise B-E leakage saturation current | | ne B-E leakage emission coefficient | | br Ideal reverse beta | ------------------------------------------------------------ | nr Reverse emission coefficient | | var Reverse Early voltage | | vb (null) | | ikr reverse beta roll-off corner current | |-----------------------------------------------------------+ | isc B-C leakage saturation current | | nc B-C leakage emission coefficient | | rb Zero bias base resistance | | irb Current for base resistance=(rb+rbm)/2 | ------------------------------------------------------------ | rbm Minimum base resistance | | re Emitter resistance | | rc Collector resistance | | cje Zero bias B-E depletion capacitance | |-----------------------------------------------------------+ | vje B-E built in potential | | pe (null) | | mje B-E junction grading coefficient | | me (null) | ------------------------------------------------------------ | tf Ideal forward transit time | | xtf Coefficient for bias dependence of TF | | vtf Voltage giving VBC dependence of TF | | itf High current dependence of TF | |-----------------------------------------------------------+ | ptf Excess phase | | cjc Zero bias B-C depletion capacitance | | vjc B-C built in potential | | continued | ------------------------------------------------------------ ------------------------------------------------------------ | BJT - model input-output parameters - continued |-----------------------------------------------------------+ | pc (null) | | mjc B-C junction grading coefficient | | mc (null) | | xcjc Fraction of B-C cap to internal base | ------------------------------------------------------------ | tr Ideal reverse transit time | | cjs Zero bias C-S capacitance | | ccs Zero bias C-S capacitance | | vjs Substrate junction built in potential | |-----------------------------------------------------------+ | ps (null) | | mjs Substrate junction grading coefficient | | ms (null) | | xtb Forward and reverse beta temp. exp. | ------------------------------------------------------------ | eg Energy gap for IS temp. dependency | | xti Temp. exponent for IS | | fc Forward bias junction fit parameter | | tnom Parameter measurement temperature | | kf Flicker Noise Coefficient | | af Flicker Noise Exponent | ------------------------------------------------------------ ------------------------------------------------------------ | BJT - model parameters (output-only) | |-----------------------------------------------------------+ | type NPN or PNP | | invearlyvoltf Inverse early voltage:forward | | invearlyvoltr Inverse early voltage:reverse | | invrollofff Inverse roll off - forward | ------------------------------------------------------------ | invrolloffr Inverse roll off - reverse | | collectorconduct Collector conductance | | emitterconduct Emitter conductance | | transtimevbcfact Transit time VBC factor | | excessphasefactor Excess phase fact. | ------------------------------------------------------------