Isolation between filters using inductive coupling cancellation
DE112024004014T5Undetermined Publication Date: 2026-07-23APPLE INC
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Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Applications
- Current Assignee / Owner
- APPLE INC
- Filing Date
- 2024-09-19
- Publication Date
- 2026-07-23
Abstract
Techniques for isolating filters using inductive coupling cancellation are disclosed. A device includes a first filter containing a first plurality of inductors and a second filter containing a second plurality of inductors. The first and second filters are implemented physically adjacent to each other. The first and second of the first plurality of inductors and the first of the second plurality of inductors are polarized in a first direction, while the second of the second plurality of inductors is polarized in a second direction opposite to that of the first direction. The second of the second plurality of inductors is physically adjacent to one of the first and second of the first plurality of inductors, such that magnetic coupling currents induced in each other are canceled.
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