The invention relates to a magnetic core (1) of an electronic arrangement, comprising a center region (3), a base (4a), which is formed in the shape of a planar plate, and a cover (4b), wherein the center region (3) is arranged between the base (4a) and the cover (4b), wherein a through-opening (2) with a center line (X) is formed in the center region (3), wherein a first cross-sectional area (9) of the magnetic core (1) in a first section plane (6), which is parallel to the base (4a) and in which the center line (X) is located, is substantially equal to a second cross-sectional area (8) of the magnetic core (1) in a second section plane (7), which is perpendicular to the first section plane (6) and in which the center line (X) is located, and wherein the base (4a) and the cover (4b) protrude beyond the center region (3) in the direction of the center line (X) on at least two mutually opposing sides.

The invention relates to a magnetic core (1) of an electronic arrangement, comprising a center region (3), a base (4a), which is formed in the shape of a planar plate, and a cover (4b), wherein the center region (3) is arranged between the base (4a) and the cover (4b), wherein a through-opening (2) with a center line (X) is formed in the center region (3), wherein a first cross-sectional area (9) of the magnetic core (1) in a first section plane (6), which is parallel to the base (4a) and in which the center line (X) is located, is substantially equal to a second cross-sectional area (8) of the magnetic core (1) in a second section plane (7), which is perpendicular to the first section plane (6) and in which the center line (X) is located, and wherein the base (4a) and the cover (4b) protrude beyond the center region (3) in the direction of the center line (X) on at least two mutually opposing sides.

A split waveguide filter is described. The split waveguide filter includes a first waveguide section having a first outer surface and a first inner surface and a second waveguide section having a second outer surface and a second inner surface. When the first waveguide section and the second waveguide section are mated together, the first inner surface and the second inner surface form a waveguide aperture. The split waveguide filter also includes a first collar clamp for securing a first portion of the mated first waveguide section and second waveguide section together; and a second collar clamp for securing a second portion of the mated first waveguide section and second waveguide section together.

A split waveguide filter is described. The split waveguide filter includes a first waveguide section having a first outer surface and a first inner surface and a second waveguide section having a second outer surface and a second inner surface. When the first waveguide section and the second waveguide section are mated together, the first inner surface and the second inner surface form a waveguide aperture. The split waveguide filter also includes a first collar clamp for securing a first portion of the mated first waveguide section and second waveguide section together; and a second collar clamp for securing a second portion of the mated first waveguide section and second waveguide section together.

An electric power converter includes an electric gatedriver circuit that includes a transformer. The transformer includes separate first and second cores of magnetically conductive material that are shaped to form respective closed loops. The transformer also includes a first electrical conductor with at least one winding arranged around a part of the first core in a first winding direction and at least one winding arranged around a part of the second core in a second winding direction opposite the first winding direction. The transformer further includes a second electrical conductor with at least one winding arranged around a part of the first core in the first winding direction and at least one winding arranged around a part of the second core in the second winding direction so as to counteract electric influence induced by a common magnetic field through the closed loops of the first and second cores.

An electric power converter includes an electric gatedriver circuit that includes a transformer. The transformer includes separate first and second cores of magnetically conductive material that are shaped to form respective closed loops. The transformer also includes a first electrical conductor with at least one winding arranged around a part of the first core in a first winding direction and at least one winding arranged around a part of the second core in a second winding direction opposite the first winding direction. The transformer further includes a second electrical conductor with at least one winding arranged around a part of the first core in the first winding direction and at least one winding arranged around a part of the second core in the second winding direction so as to counteract electric influence induced by a common magnetic field through the closed loops of the first and second cores.

A battery pack charging system includes a battery pack interface configured to receive a battery pack, a charging circuit coupled to the battery pack interface to provide charging current to the battery pack interface, and a controller coupled to the charging circuit and configured to control supply of charge current to the battery interface. The battery pack charging system further includes a power supply circuit coupled to the charging circuit, a filter circuit coupled to the power supply circuit and including a nanocrystalline ferrite common mode choke, and an alternating current plug configured to connect the filter circuit to an alternating current power source.

A battery pack charging system includes a battery pack interface configured to receive a battery pack, a charging circuit coupled to the battery pack interface to provide charging current to the battery pack interface, and a controller coupled to the charging circuit and configured to control supply of charge current to the battery interface. The battery pack charging system further includes a power supply circuit coupled to the charging circuit, a filter circuit coupled to the power supply circuit and including a nanocrystalline ferrite common mode choke, and an alternating current plug configured to connect the filter circuit to an alternating current power source.

A magnetic core housing capable of applying a sufficient force to a magnetic core is provided. A magnetic core housing according to an aspect of the disclosure includes first and second housings each capable of housing a core, a hinge configured to connect the first and second housings with each other so that they can be opened and closed with respect to each other, and a metal spring disposed in the first housing. The metal spring includes a planar part and a pair of spring parts, and also includes reinforcing means for preventing the planar part from being bent due to a force transmitted from the pair of spring parts when the core is housed in the first housing.

An inductive filtering device includes a first toric magnetic core without an air gap formed around a central void; a first electrical conductor formed of turns that are wound around the first magnetic core without passing through the central void, wherein no electrical conductor passes through the central void.