Investigation of Thermal Crunching Effects in Fishbone-Type Layout Power GaAs-HBTs
msra（2004）
摘要
Thermal current crunching in power HBTs is inves- tigated by numerical simulation. Compact electro-thermal models are connected in parallel, thermal interaction is accounted for by a thermal resistance matrix. It turnes out that the dominant effect in HBTs of fishbone-type layout is that half of the HBT is effectively switched off. This can only be simulated by a slightly asymmetric model. I. INTRODUCTION
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