Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Reexamination Certificate
2011-05-17
2011-05-17
Koval, Melissa J (Department: 2858)
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Lumped type parameters
C324S600000, C713S300000
Reexamination Certificate
active
07944221
ABSTRACT:
A system and method for automatically discovering total transistor resistance in a hybrid power over Ethernet (PoE) architecture. A critical factor for a PoE system is the total resistance of the power FET. Typical PoE systems consist of a single power FET that may be integrated with the controller or external to the controller. In a hybrid architecture the PoE system consists of both an internal power FET and an external power FET. The external power FET can be used to customize a design to meet a particular application or need. The total resistance in the hybrid architecture can be automatically determined using voltage and current measurements of the internal and external power FETs.
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Diab Wael William
Nekkileru Hemanth
Panguluri Sesha Thalpasai
Broadcom Corporation
Hoque Farhana
Kobayashi Duane S.
Koval Melissa J
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