thermaltest

Heatsink mounted MMIC: Test of the time-step decoupling technique


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Author(s): Bill Batty, Carlos Christoffersen

Usage:

Parameter TypeDefault value Required?
ntimesteps: Number of time steps in transient simulation INTEGER 0 no
dt: Length of thermal timestep (s) DOUBLE 0 no
tambient: Constant heatsink mount temperature (K) DOUBLE 300 no
time_d: Flag, if true, calculate in the time domain. BOOLEAN false no
l: Die x-dimension in meters. DOUBLE 0.0004 no
w: Die y-dimension in meters. DOUBLE 0.0004 no
d: Die z-dimension in meters. DOUBLE 0.0004 no
xl: x-coordinate of left edge of heating element. DOUBLE 0.00022 no
xr: x-coordinate of right edge of heating element. DOUBLE 0.00018 no
yu: y-coordinate of upper edge of heating element. DOUBLE 0.00022 no
yd: y-coordinate of lower edge of heating element DOUBLE 0.00018 no
ks: Thermal conductivity (W/m.K). DOUBLE 46 no
rho: Density (kg.m-3). DOUBLE 5320 no
c: Specific heat (J/kg.K). DOUBLE 350 no
nfingers: Number of power transistor fingers INTEGER 1 no
b: Exponent in power law temperature dependence of thermal conductivity DOUBLE 1.22 no

fREEDA Version 1.3 compiled on Jul 25 2007 12:04:09