Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1990-07-31
1992-10-27
Prenty, Mark
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
357 234, 357 41, 357 45, 307304, H01L 29747, H01L 2910, H01L 2702, H03K 3353
Patent
active
051594250
ABSTRACT:
A technique for providing dual direction current sensing with a single current mirror configured to provide the same current ratio in both directions for at least one predetermined temperature. The invention contemplates any of a number of techniques for providing relatively increased diode conduction in the mirror in order to provide the same current ratio as when channel conduction is the sole mechanism. These include increasing the doping of the cell body, increasing the diode area per cell relative to the amount of MOS channel area, providing extra diode cells in the mirror, or locating the current mirror in the hottest part of the chip where diode conduction is greatest.
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Ixys Corporation
Prenty Mark
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