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Title:

Thermal Time Constant Extraction for HBTs from S-Parameter Measurements

Author(s):
Sinnesbichler, Franz X.; Olbrich, Gerhard R.
Abstract:
Abstract In this letter we present aï¿œnovel approach to extract the thermal time constant of HBTs from S-parameter data. The method is based on aï¿œcalculation of the frequency dependent negative output conductance of the devices due to self-heating effects. It is derived both analytically as well as from an electro-thermal feedback model. Finally, experimental results of SiGe HBTs are given.
Keywords:
Output conductance, Parameter extraction, SiGe HBT, Thermal time constant
Journal title:
AEÜ - International Journal of Electronics and Communications
Year:
2003
Journal volume:
57
Journal issue:
3
Pages contribution:
181--184
Fulltext / DOI:
doi:10.1078/1434-8411-54100159
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