MUMBAI, India, April 20 -- Intellectual Property India has published a patent application (202514084614 A) filed by Apple Inc., Cupertino, U.S.A., on Sept. 5, 2025, for 'multipath amplifier circuitry with compact transformers.'

Inventor(s) include Wang, Fei; and Guan, Xiang.

The application for the patent was published on April 17, under issue no. 16/2026.

According to the abstract released by the Intellectual Property India: "Wireless circuitry may include multipath amplifier circuitry with a first 5 amplifier on a first path and a second amplifier on a second path. The first and second paths may be coupled between an input and output networks. The input network, the output network, and/or an inter-stage matching network may include a transformer circuit. The transformer circuit may include a first transformer on the first path and a second transformer on the second path. The first transformer may 10 overlap the second transformer on a substrate. The first transformer may be orthogonal to the second transformer such that current on the first transformer does not induce current on the second transformer and vice versa. This may serve to minimize the area consumed by the multipath amplifier circuitry while also preserving isolation between the first and second paths."

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