Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2006-08-25
2008-11-11
Donovan, Lincoln (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
C327S542000, C323S315000
Reexamination Certificate
active
07449941
ABSTRACT:
A master bias current generating circuit includes a current source, a first reference leg, and a second reference leg. The first reference leg includes a first transistor having a first size parameter coupled to the current source and a first diode having a second size parameter coupled to the first transistor. The second reference leg includes a second transistor having a third size parameter less than the first size parameter coupled to the current source and a second diode having a fourth size parameter greater than the second size parameter coupled to the second transistor.
REFERENCES:
patent: 5362988 (1994-11-01), Hellums
patent: 5559425 (1996-09-01), Allman
patent: 5627456 (1997-05-01), Novof et al.
patent: 6377114 (2002-04-01), Sakurai
patent: RE38250 (2003-09-01), Slemmer
patent: 7227401 (2007-06-01), Zhang et al.
Bahukhandi Ashirwad
Zadeh Ali E.
Donovan Lincoln
Dorsey & Whitney LLP
Hernandez William
Micro)n Technology, Inc.
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