Apparatus and method for reducing interference

Details Apparatus and method for reducing interference Apparatus and method for reducing interference

2011-06-07

2011-06-07

Estrada, Michelle (Department: 2823)

Semiconductor device manufacturing: process

Making device or circuit responsive to nonelectrical signal

Responsive to electromagnetic radiation

C438S010000, C438S014000, C438S017000, C438S066000, C438S073000, C257S048000, C257S108000, C257S421000, C257S531000, C257SE29167, C257SE21022, C257SE21521

Reexamination Certificate

active

07955886

ABSTRACT:
A method and apparatus is provided for use in an integrated circuit or printed circuit board for reducing or minimizing interference. An inductance is formed using two or more inductors coupled together and configured such that current flows through the inductors in different directions, thus at least partially canceling magnetic fields. When designing a circuit, the configuration of the inductors, as well as the relative positions of portions of the circuit, can be tweaked to provide optimal interference or noise control.

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