Active solid-state devices (e.g. – transistors – solid-state diode – Bipolar transistor structure – With enlarged emitter area
Reexamination Certificate
2005-02-22
2005-02-22
Jackson, Jerome (Department: 2815)
Active solid-state devices (e.g., transistors, solid-state diode
Bipolar transistor structure
With enlarged emitter area
C257S581000, C257S572000, C257S561000, C257S562000, C257S563000, C257S564000, C361S056000
Reexamination Certificate
active
06858917
ABSTRACT:
A metal oxide semiconductor (MOS) bandgap voltage reference circuit with a plurality of dummy bipolar junction transistors (BJTs) coupled to the mismatched parasitic substrate BJTs for improving parasitic capacitance matching, thereby improving startup behavior of the bandgap reference circuitry.
REFERENCES:
patent: 5224134 (1993-06-01), Miwada
patent: 20030048588 (2003-03-01), Duvvury et al.
Jackson Jerome
National Semiconductor Corporation
Nguyen Joseph
Vedder Price Kaufman & Kammholz P.C.
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