Abstract: An antenna module (100) includes a dielectric substrate (130) having a multilayer structure, a first radiating electrode (121) and a ground electrode (GND) that are disposed in the dielectric substrate (130), and a second radiating electrode (150) disposed in a layer between the first radiating electrode (121) and the ground electrode (GND). The first radiating electrode (121) is a power feed element to which radio frequency power is supplied. When the antenna module (100) is viewed in plan from a normal direction of the dielectric substrate (130), the first radiating electrode (121) and the second radiating electrode (150) at least partially overlap with each other. A thickness of the second radiating electrode (150) is larger than that of the first radiating electrode (121).

Abstract: An antenna element includes a dielectric substrate, a radiation electrode, a first ground electrode, a second ground electrode, and a via conductor that connects the first ground electrode and the second ground electrode to each other. The dielectric substrate includes a flat-plate-shaped first part and a second part that is thinner than the first part. The radiation electrode and the first ground electrode are arranged on or in the first part so as to face each other in the thickness direction of the first part. The second ground electrode is spaced apart from the radiation electrode. The second ground electrode is arranged on or in the second part so as to not face the radiation electrode in the thickness direction of the second part. The radiation electrode is capacitively coupled to the second ground electrode and the via conductor.

Abstract: An antenna device includes a dielectric substrate, an emitting electrode, a power feed circuit that feeds power to the emitting electrode, and a filter circuit formed on a path connecting the emitting electrode to the power feed circuit, the filter circuit is constituted by two or more circuits that are cascade connected, each of the two or more circuits is either a HPF or a LPF, and the antenna device does not have a resonant frequency of the emitting electrode and has two or more resonant frequencies different from the resonant frequency of the emitting electrode, each of which is formed by the emitting electrode and a corresponding one of the two or more circuits.

Abstract: An antenna module (100) includes at least one antenna element (121), a ground electrode (GND1), and a dielectric layer (130), which is provided between the antenna element (121) and the ground electrode (GND1), and on which the antenna element (121) is mounted. A space (132) is formed between the dielectric layer (130) and the ground electrode (GND1) in a region where the antenna element (121) and the ground electrode (GND1) overlap each other when the dielectric layer (130) is seen in a plan view.

Abstract: A distributed constant filter includes a resonator that is not grounded and a first ground electrode. The first ground electrode faces the resonator in a first direction (Z). The resonator is a distributed constant line resonator. The resonator includes a plurality of distributed constant lines and a via conductor. The plurality of distributed constant lines are arranged in layers in the first direction (Z). The via conductor extends in the first direction (Z). Each of the plurality of distributed constant lines is connected to the via conductor only at one end portion of both end portions of the distributed constant line.

Abstract: This antenna module (100) includes a dielectric substrate (130) and radiation electrodes (121) and a ground electrode (GND) that are arranged on or in the dielectric substrate (130). A plurality of openings (122) are formed in at least one electrode out of the radiation electrode (121) and the ground electrode (GND), the plurality of openings (122) penetrating through the electrode but not penetrating through the dielectric substrate (130).

Abstract: An antenna module includes a dielectric substrate having a multilayer structure, an antenna element and a ground electrode that are arranged at the dielectric substrate, and a matching circuit that is formed in a region between the antenna element and the ground electrode. A radio frequency signal is supplied via the matching circuit to the antenna element.

Abstract: An antenna module includes a plurality of antenna devices. Each of the plurality of antenna devices includes a dielectric substrate on which an antenna element is placed and a feed line that transmits a radio frequency signal from a RFIC to the antenna element. The feed line is divided within the dielectric substrate and transmits a radio frequency signal to a feed point (122A-1) and a feed point (122A-2) of the antenna element, a phase of the radio frequency signal to the feed point (122A-1) and a phase of the radio frequency signal to the feed point (122A-2) being substantially opposite to one another.

Abstract: An antenna device is formed by arranging radiation elements each radiating a circularly polarized wave in a matrix of three rows and four columns. The radiation elements include three sets of radiation elements of four types having a positional relationship rotationally symmetric with each other. The radiation elements are arranged such that adjacent elements are of different types.

Abstract: An antenna device is formed by arranging a plurality of radiation elements each radiating a circularly polarized wave in a matrix of three rows and ten columns. The plurality of radiation elements include radiation elements of four types having a positional relationship rotationally symmetric with each other. The plurality of radiation elements are included in a first element group in which radiation elements are arranged in a matrix of three rows and three columns in one end portion side and a second element group in which radiation elements are arranged in a matrix of three rows and three columns in the other end portion side. A first center element disposed at a center of the first element group is an element of a type obtained by rotating a second center element disposed at a center of the second element group by 180 degrees.

Abstract: An antenna substrate includes a flat section where a radiating element is disposed, a flexible section disposed adjacent to the flat section, a first electrical conductor having one end portion connected to the radiating element inside the flat section, and a second electrical conductor having one end portion connected to the other end portion of the electrical conductor inside the flexible section. The average or median grain size in the extension direction of the first electrical conductor is larger than the average or median grain size in the extension direction of the second electrical conductor, and the average or median aspect ratio of the electrical conductor is larger than the average or median aspect ratio of the electrical conductor.

Abstract: An antenna module includes a dielectric substrate including a plurality of dielectric layers that are laminated, and a radiation element, a ground electrode, and peripheral electrodes that are formed in or on the dielectric substrate. The radiation element radiates radio waves in a first polarization direction. The ground electrode is placed so as to face the radiation element. The peripheral electrodes are formed in a plurality of layers between the radiation element and the ground electrode and are electrically connected to the ground electrode. The peripheral electrodes are placed at positions that are symmetrical with respect to at least either of a first direction parallel to the first polarization direction and a second direction orthogonal to the first polarization direction.

Abstract: An antenna module includes an antenna substrate including a feed element, and a radio frequency integrated circuit (RFIC) mounted on a lower surface of the antenna substrate. The antenna substrate includes a mount portion on which the RFIC is mounted and an overhang portion that extends outward from the mount portion. The feed element is disposed in the mount portion and the overhang portion. The antenna module further includes a heat dissipator disposed on the lower surface of the overhang portion.

Abstract: An antenna module (100) includes a dielectric substrate (125), antenna groups (123A, 123B) including a plurality of antenna elements (121), RFICs (110A, 110B) configured to supply radio-frequency power to the antenna groups (123A, 123B), a divider (140) configured to divide a radio-frequency signal between the RFICs (110A, 110B), and a ground electrode (GND2). The RFICs (110A, 110B) are mounted at a mounting surface (126) of the dielectric substrate (125). The divider (140) is provided closer to the mounting surface (126) than to the layer in which the antenna groups (123A, 123B) are provided. The divider (140) includes a first path having lower impedance and a second path having higher impedance. When viewed in plan view in a normal-line direction with respect to the mounting surface (126), a cavity (300) is formed at a portion of the ground electrode (GND2), the portion facing the second path.

Abstract: An antenna module includes a multilayer substrate having a first main surface and a second main surface opposing to each other, a patch antenna formed on a side of the first main surface of the multilayer substrate and configured with a radiation electrode and a ground electrode, an RFIC formed on a side of the second main surface of the multilayer substrate, a first filter, and a second filter different from the first filter, wherein the patch antenna has a first feed point and a second feed point provided at different positions in the radiation electrode, the first feed point is electrically connected to the RFIC via the first filter, the second feed point is electrically connected to the RFIC via the second filter, and the first filter and the second filter are formed in the multilayer substrate.

Abstract: An antenna module (100) includes an antenna element (121), a dielectric substrate (150) on which the antenna element (121) is arranged, and a flexible substrate (160) having a first surface and a second surface. The flexible substrate (160) has a first portion (165), a bent portion (166) bent from the first portion (165) such that the first surface is located in an outer side portion, and a flat second portion (167) extending further from the bent portion (166). The dielectric substrate (150) is arranged on the first surface of the second portion (167). The dielectric substrate (150) has a projection portion (152) projecting from a contact surface between the dielectric substrate (150) and the flexible substrate (160) toward a side of the first portion (165) along the second portion (167). At least part of the antenna element (121) is arranged on the projection portion (152).

Abstract: An antenna module according to an embodiment of the present disclosure includes a dielectric substrate, a first antenna element, a first radio-frequency element, and a first heat-dissipating component. The first antenna element is provided on the dielectric substrate. The first radio-frequency element supplies electric power to the first antenna element. The first heat-dissipating component directs heat from the first radio-frequency element to the outside. The dielectric substrate, the first radio-frequency element, and the first heat-dissipating component are stacked in this order in the Z-axis direction, which is the direction normal to the dielectric substrate. The first heat-dissipating component includes metal. The first heat-dissipating component has a first width at its first position that differs from a second width at its second position located away from the first position in the Z-axis direction.

Abstract: An antenna module includes feeding elements arranged adjacent to each other and filters connected to the respective feeding elements. Each of the filters includes a plurality of resonant lines that is not connected to each other. The filters are arranged between the feeding elements so as to cross a virtual line equidistant from the feeding elements when the antenna module is viewed in plan from the normal direction.

Abstract: In an antenna array of the present disclosure, in a plan view from a direction that is normal to an isolation element, the isolation element is formed between a first antenna element and a second antenna element. A first distance between the first antenna element and a first ground electrode is different from a second distance between the isolation element and the first ground electrode. A third distance between the second antenna element and the first ground electrode is different from the second distance. In a plan view from a direction that is normal to the first antenna element, the isolation element is spaced apart from the first antenna element. In a plan view from a direction that is normal to the second antenna element, the isolation element is spaced apart from the second antenna element.

Abstract: An antenna module includes a multilayer substrate having a first main surface and a second main surface opposing to each other, a patch antenna formed on a side of the first main surface of the multilayer substrate and configured with a radiation electrode and a ground electrode, an RFIC formed on a side of the second main surface of the multilayer substrate, a first filter, and a second filter different from the first filter, wherein the patch antenna has a first feed point and a second feed point provided at different positions in the radiation electrode, the first feed point is electrically connected to the RFIC via the first filter, the second feed point is electrically connected to the RFIC via the second filter, and the first filter and the second filter are formed in the multilayer substrate.