Electricity: electrical systems and devices – Safety and protection of systems and devices – Load shunting by fault responsive means
Reexamination Certificate
2005-08-17
2010-10-05
Fureman, Jared J (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
Load shunting by fault responsive means
C361S091100, C361S111000, C361S119000
Reexamination Certificate
active
07808752
ABSTRACT:
A method for implementing an inductor-capacitor filter in an integrated circuit. Embodiments of the invention implement a 5-pole LC low-pass filter suitable for incorporation in wireless applications necessitating compact layouts. Inductors are formed in an IC as concentric coils on metallization layers, the concentric coils providing a negative coupling coefficient between the inductors. The invention provides programmable frequency response characteristics, enabling the transmission of high-frequency base band information while attenuating carrier RF frequencies.
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Brankov Anguel
Buchele William N.
Jorgensen John M.
Liu Rong
Richiuso Dominick
Clark Christopher J
Fureman Jared J
Pillsbury Winthrop Shaw & Pittman LLP
Semiconductor Components Industries LLC
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