1906results about "Waveguides" patented technology

The invention discloses a negative group delay system based on SSPP, and belongs to the technical field of microwave communication. A fundamental mode negative group velocity is innovatively generated based on an artificial surface plasmon SSPP, and an SSPP system with negative group delay is realized. The system comprises two parts, namely an amplifier circuit and an SSPP waveguide with a negative group delay unit. The SSPP waveguide with the negative group delay characteristic comprises two coplanar waveguide parts, two transition parts and an SSPP waveguide part, the SSPP waveguide part comprises a unit for generating negative group velocity and a plurality of basic units, and further comprises a microwave dielectric substrate. The amplifier is composed of an amplifier chip, a peripheral capacitor inductor of the amplifier chip and a direct-current power supply. An input signal passes through the system, and advanced transmission of the signal can be realized. The problems of narrow bandwidth, large loss and non-adjustable structure in the prior art are effectively solved, and the antenna has wide application prospects in the fields of 5G communication, radar signal processing, array antenna systems and the like.

A transmission coating for a waveguide is formed with multiple layers. There are steps of a) determining a first coating parameter and a coating function for each layer -3000, b) forming the multiple

The invention discloses a differential signal transmission link, a high-speed differential signal transmission composite chip and an intra-core differential signal transmission link configuration method. A strip line is arranged in a perforated cylinder in a penetrating manner, two differential microstrip lines are horizontally arranged at two ends of the perforated cylinder, one end of one differential microstrip line is connected with the upper end of the strip line, and one end of the other differential microstrip line is connected with the lower end of the strip line; the conductor strip and the two grounding strips in each differential microstrip line are arranged on the total slide glass side by side in the length direction of the total slide glass, the conductor strip is arranged between the two grounding strips, and the multiple capacitors and the multiple inductors are alternately arranged on the conductor strip in the length direction of one side of the conductor strip. The plurality of conductive blocks are uniformly arranged on the conductor belt along the length direction of the other side of the conductor belt; a high-bandwidth storage chip and a GPU chip in the high-speed differential signal transmission composite chip are horizontally arranged on a PCB composite board in parallel, and a differential signal transmission system is arranged among the PCB composite board, the high-bandwidth storage chip and the GPU chip in a penetrating mode.

A filter device includes a laminate body, plate electrodes, resonators, and shield conductors. The plate electrodes are provided in the laminate body and are spaced apart from each other in a lamination direction. The resonators are between the plate electrodes and extend in a first direction. The shield conductors are on respective side surfaces of the laminate body, and connected to the plate electrodes. The resonators are within the laminate body and aligned in a second direction. The resonators each include a first end connected to the shield conductor and a second end spaced apart from the shield conductor. The resonator includes conductors laminated in the lamination direction. When the resonator is viewed in plan from the first direction, the conductors each include a first region including an end portion of the conductor and having a thickness greater than other portions of the conductor.

Embodiments of this application provide a transmission line, a feed network, and an antenna apparatus. The transmission line is used for a radio frequency device. The transmission line includes a reflector, an insulation support, and a transmission structure. The transmission structure includes at least two side walls. The transmission structure is disposed on a surface of the insulation support, an included angle between two adjacent side walls of the transmission structure is greater than zero, and different side walls of the transmission structure are located on different surfaces of the insulation support. At least one surface of the transmission structure is disposed opposite to a part of a structure of the reflector, and a gap exists between the at least one surface of the transmission structure and the reflector. The transmission line has a small signal loss and occupies a small space.

An ultra-wideband hybrid structure (100) for transmitting high-frequency electrical signals, the structure comprising a substrate (110), a high-speed semiconductor substrate (105) connected to the substrate (110) of the ultra-wideband structure (100), a conductive interface (115) established between the substrate (110) and the high-speed semiconductor substrate (105), an ultrahigh speed device defining a first access port (P1) and established on the high-speed semiconductor substrate (105), a dielectric waveguide structure (DRW) defining a second access port (P2), the structure (DRW) established on the substrate (110) and on the high-speed semiconductor substrate (105), the structure (DRW) comprises a tapered end connectable to the first access port (P1) of the ultrahigh speed device, a metal waveguide structure (TSA) providing a low-pass characteristic interconnection, the structure (TSA) established on the substrate (110) and on the high-speed semiconductor substrate (105), wherein the metal waveguide structure (TSA) comprises a metal waveguide pattern defining a tapered coupler connected to the access port (P1) of the high-speed circuit or component.

The present invention relates to an antenna device and an electronic device using same, the antenna device having twice as many antennas arranged in the same area so as to be reduced in size by half and be capable of performing high power long-distance transmission. The antenna device according to the present invention comprises: a core printed circuit board having antenna circuits arranged therein; a Yagi-Uda antenna formed on a plurality of printed circuit boards arranged above the core printed circuit board, so as to transmit a single polarization signal; a monopole antenna connected to the Yagi-Uda antenna through a via; and a ground radiation unit arranged below the core printed circuit board so as to be symmetrical to the monopole antenna with respect to the core printed circuit board.

A phased antenna array in a package is provided. The phased array antenna in a package comprises an antenna array with an integrated passive beamformer network, and at least one actuation mechanism. The passive beamformer network comprises at least one phase shifter, and each of the at least one phase shifter comprises a transmission line having a slow-wave structure and a ceramic. Each of the at least one actuation mechanism comprises a magnet and an electromagnet coil, where the magnet is coupled to the ceramic. The at least one actuation mechanism configured to increase or decrease a gap between the transmission line and the ceramic.

A microwave filter arrangement (100) for quantum computing applications, the filter arrangement (100) comprising a first port (113) and a second port (114). The microwave filter arrangement (100) comprises a main waveguiding structure (110) arranged between the first (113) and second (114) port, where the main waveguiding structure (110) comprises an inner conductor (111) having a circular cross-section that is surrounded by a hollow outer conductor (112) having a rectangular cross-section with two opposed long sides and two opposed short sides. The waveguiding structure (110) comprises a plurality of hollow waveguides (115) extending away from one or both of the long sides of the outer conductor, the hollow waveguides (115) comprising a dielectric material (122) and being terminated by an electromagnetically absorptive material (124).

A vehicle comprises: vehicular glass including a transparent region and an opaque region; a transparent dielectric substrate disposed in the transparent region of the vehicular glass; a first area including an antenna on one side surface of the transparent dielectric substrate; and a second area including a power supply pattern and a ground conductive pattern electrically connected to the antenna. The antenna may comprise: a first slot formed between a signal pattern and a first ground pattern and configured to radiate a first signal having a circularly polarized wave in a first frequency band; and a second slot formed between the first ground pattern and a second ground pattern and configured to radiate a second signal having a circularly polarized wave in a second frequency band lower than the first frequency band.

A device useful as a switch including an input waveguide coupled to an output waveguide; a first diode circuit integrated with the input waveguide at a first termination; a second diode circuit integrated with the output waveguide at a second termination; and wherein the biasing the diode circuits switches the switch between an off state and an on state and achieves high isolation in the off state by absorbing input power in, reflecting the input power from, and frequency multiplying the input power using the diodes in the diodes circuits when the input power is received from the input waveguide. In one embodiment, the switch is a tunable, solid-state SPST switch for Gband radar applications.

For improved Ku band communications, an antenna system includes a planar antenna surface, at least one waveguide feed network, and a waveguide. The planar antenna surface is coupled to at least one port. The at least one waveguide feed network includes an H plane junction splitter and at least two E plane junction splitters. The H plane junction splitter is disposed on a channel septum in a channel. A splitter axis of the channel septum and the H plane junction splitter is rotated about a P axis. The at least two E plane junction splitters are each disposed on septum and coupled to the H plane junction splitter via the channel. The waveguide is coupled to the waveguide feed network.

A semiconductor device has an amplifier and common mode suppression (CMS) circuit formed on a common substrate. The CMS circuit has a first input and second input coupled for receiving an input signal and further has a first output coupled to a first input of the amplifier and a second output coupled to a second input of the amplifier to reduce common mode. The CMS circuit further has a ground plane, a first conductive trace disposed over the ground plane and coupled between the first input and first output, second conductive trace disposed over the ground plane and coupled between the second input and second output, and third conductive trace disposed over the ground plane with a first end of the third conductive trace coupled to the ground plane and a second end of the third conductive trace open circuit to form a resonator.

The technology described herein is directed towards a design and implementation of a subarray of unit cells for an active reconfigurable intelligent surface that is power efficient. The reconfigurable intelligent surface design integrates a power amplifier with subarrays of unit cells to amplify the reflected signal, resulting in an active reconfigurable intelligent surface with relatively low power consumption. For example, rather than equipping each unit cell with its own power amplifier, a power amplifier is shared by a m×n (e.g., 3×3) subarray of unit cells, which can be arranged as a module of a larger reconfigurable intelligent surface. Further, the design provides a device for receiving and reflecting the electromagnetic signal in the same polarization by coupling the RF energy, processing, amplifying, and then introducing a delay module to not create unwanted harmonics and amplifying the signal without breaking the signal link.

The invention relates to an ultrahigh-temperature-resistant radio-frequency coaxial cable and a manufacturing method thereof. The cable comprises an inner conductor, an insulating foaming layer, a first outer conductor, a glass fiber belt, a silicon dioxide aerogel coating, a second outer conductor, a flame-retardant fireproof layer and a flame-retardant sheath layer which are sequentially arranged from inside to outside, wherein the first outer conductor is provided with a first embossing structure comprising wave crests and wave troughs; the second outer conductor is provided with a second embossing structure comprising wave crests and wave troughs; the positions of wave crests and wave troughs of the first embossed structure are consistent with the positions of corresponding wave crests and wave troughs of the second embossed structure, and air layers are formed between the first embossed structure and the glass fiber belt and between the second embossed structure and the silicon dioxide aerogel coating. According to the invention, the safety and reliability of the cable in extreme environments such as fire disasters and the like are remarkably improved, and communication interruption of the radio frequency coaxial cable in high-temperature environments of fire disasters is avoided.

A vehicle comprises: a transparent dielectric substrate; a first area including an antenna on one side of the transparent dielectric substrate; and a second area including a ground conductive pattern and a feed pattern. The antenna comprises: a first conductive pattern including a closed loop trace; a second conductive pattern electrically connected to a second portion of the ground conductive pattern; and a slot which is surrounded by the first conductive pattern and includes a first slot area and a second slot area. The closed loop trace may include a first part, a second part, a third part, a fourth part, and a fifth part. The second part and the fourth part may be disposed on opposite sides. The first part and the third part may be disposed on opposite sides. The first part and the fifth part may be disposed on the same side.

The invention belongs to the technical field of electronic information, and discloses a millimeter wave magnetic coupling variable resonant equalizer, which comprises a transmission waveguide channel, a coupling channel and a resonant cavity which are communicated, the resonant cavity and the coupling channel are arranged in the narrow side direction of the transmission waveguide channel, the opening direction of the coupling channel is parallel to the direction component of an electric field, and the opening direction of the coupling channel is parallel to the direction component of the electric field. The inner walls of the two ends of the resonant cavity are adjustably and slidably connected with adjusting blocks, the opposite inner side faces of the two adjusting blocks are fixedly connected with wave absorbing materials, and the inner wall, facing the coupling channel, of the resonant cavity is detachably and movably connected with a guide block. The center position of the resonant cavity is provided with a telescopic tuning pin perpendicular to the direction component of the magnetic field. According to the structure, the processing and installation problems of a common waveguide equalizer are effectively solved, the equalizer is debugged more simply and quickly, meanwhile, the standing-wave ratio is optimized by changing the cavity structure, and a relatively complex gain curve can be equalized through the good frequency response characteristic.

An electronic device may include a transceiver with a substrate and an inductor on the substrate. A ring of ground traces may surround the inductor. Circuit components may be patterned onto the substrate overlapping the inductor, a region of the substrate surrounded by the inductor, and / or a region of the substrate between the inductor and the ring. The components may be arranged in trees with feed lines extending radially outward from a central axis. The components in each tree may be separated from the capacitors in other trees by gaps, preventing eddy currents on the trees. The components may be used to form bypass capacitors for power supply lines, a low-dropout regulator load, part of the loop filter of a phase-locked loop, or other portions of the transceiver. The components may thereby be used to convey signals while also meeting fill factor requirements associated with fabrication of the substrate.

A waveguide to transmission line coupler is provided. The waveguide can be capable of guiding electromagnetic energy and can have a plurality of coupling sets along the waveguide. The coupling set can include a non-resonant coupling aperture capable of coupling said electromagnetic energy from the waveguide to at least one output transmission line and a tuning element in the waveguide proximate to said non-resonant coupling aperture thereto, capable of tuning out residual shunt susceptance corresponding to the electromagnetic energy coupled by said non-resonant coupling aperture.

A sensor system comprises an optical sensor which includes an imaging device and a detection device which defines a rear side of the optical sensor, a radar transceiver unit for generating radar waves to be transmitted and for receiving radar waves to be detected, and at least one antenna element configured to transfer radar waves from the radar transceiver unit to an exterior of the sensor system and from the exterior of the sensor system to the radar transceiver unit. The radar transceiver unit is located at the rear side of the optical sensor.

An antenna apparatus can include a coaxial cable with one end of the coaxial cable forming a remote antenna and the other end of the coaxial cable comprising a local coupler, wherein both ends of the coaxial cable are over-molded protection in a water meter installation. The local coupler can snap-on to a communications module and is operable across wideband RF frequencies ranging from, for example, 790MHz to 1900MHz. The antenna apparatus may also be implemented with an alternative RF coupler design, with two metal planes secured by an IP68 plastic housing with the provision of the coaxial cable to interface with a coupler and the remote antenna. The coupler can operate with low losses of less than, for example, 10 dB. In addition, the remote antenna can be installed on a water pit lid and in some cases, the coaxial cable itself can act as a remote antenna.

An array antenna (100) having a layered configuration. The array antenna comprises a radiation layer (110) comprising a plurality of radiation elements (111) and a distribution layer (120) facing the radiation layer. The distribution layer is arranged to distribute a radio frequency, RF, signal to the plurality of radiation elements. The distribution layer comprises at least one distribution layer feed (121) and at least one first waveguide (122) arranged to guide the RF signal between at least one distribution layer feed and at least one radiation element. The array antenna further comprises at least a second waveguide (130) connected to at least one distribution layer feed (121). Any of the first (122) and the second (130) waveguides comprises plastics with a first type of surface treatment (313), where the first type of surface treatment comprising metallization. At least one radiation element is a dummy element terminated by an attenuation section, where the attenuation section is arranged on any of the waveguides (122, 130) connected to the dummy element and that comprises plastics. The attenuation section comprises a second type of surface treatment (314) arranged to attenuate the RF signal.

The radio frequency coaxial cable comprises a sheath and a shielding layer wrapped on the inner surface of the sheath, the shielding layer and a cable core in the center are coaxially distributed, an insulating layer used for wrapping the cable core is contained in the cable core and the shielding layer, and through grooves distributed in the axial direction are further formed in the insulating layer. Wherein the through groove is used for forming semi-air insulation in the cable, and the through groove is also used for circulating air flow for operation cooling of the cable. According to the radio frequency coaxial cable, the related structure of the insulating layer is redesigned, on the basis of guaranteeing the supporting performance, the overall weight of the cable is effectively reduced, insulation is improved, a better cooling effect is achieved at the same time, and compared with the prior art, the radio frequency coaxial cable is more suitable for a high-load operation environment and an operation environment with higher external temperature.

An RF communication system can include an RF transmitter, RF receiver, and a waveguide disposed between the RF transmitter and RF receiver. Each of the RF transmitter and RF receiver can include an RF antenna as well as RF electronics, the RF electronics useful to provide excitation signal to the RF antenna or to receive excitation from the RF antenna. The RF transmitter and / or RF receiver can also be a transceiver. In one form, the waveguide of the RF communication system acts as an electrical power bus. Alternatively and / or additionally, the waveguide of the RF communication system can also act as a structural member of a support structure. Alternatively and / or additionally, the waveguide of the RF communication system can also act as a heat transfer fluid circuit path. Alternatively and / or additionally, the waveguide of the RF communication system can also act as control path to convey a control signal.

An electronic device is provided. The electronic device includes a first housing comprising a first space and comprising a conductive portion, a second housing comprising a second space and slidably coupled to the first housing, a flexible display disposed to be supported by the first housing and the second housing and having a display area expanding when being transitioned from a slide-in state to a slide-out state, and a wireless communication circuit disposed in the first space and configured to transmit or receive a wireless signal in a designated frequency band via the conductive portion, wherein the electronic device comprises a conductive stub disposed in the second housing and disposed to be connectable through capacitive coupling to at least a part of the conductive portion in the slide-in state.

Power-combining devices and more particularly spatial power-combining and related structural arrangements are disclosed. Such structural arrangements involve mechanical connections between center waveguide sections and input and / or output coaxial waveguide sections that provide scalable structures for different operating frequency bands, improved mechanical connections, and / or improved assembly. Exemplary structural arrangements include structures that extend through center waveguide sections and into input and / or output coaxial waveguide sections, integrated mechanical structures within the center waveguide section, compression fit arrangements, dielectric inserts arranged within channels of coaxial waveguide sections, and / or various combinations thereof.

An FPC cable is provided that includes a first ground trace on a first side of an insulator substrate and a second ground trace on the first side of the insulator substrate spaced from the first ground trace. A plurality of signal lines are located between the first ground trace and the second ground trace. A ground reference layer is located on a second side of the insulator substrate, with the ground reference layer comprising a plurality of ground reference layer segments spaced from one another. Each of the ground reference layer segments is connected with a via to the first ground trace and the second ground trace.

The invention discloses a broadband double-layer interconnection structure based on a silicon adapter plate technology, and belongs to the technical field of radio frequency microsystems. According to the method, a three-dimensional compensation structure is formed by adding square conductive metal and TSVs into lower-layer metal at one end, close to a transition structure, of an original coplanar waveguide transmission line, and a resonance point with return loss of-51dB is introduced at 17.59 GHz, so that the broadband interconnection effect that the return loss of 0-33GHz is smaller than or equal to-20dB is achieved, and the in-band insertion loss fluctuation value is reduced by 11.6% compared with that of the original structure. Compared with a traditional interconnection structure broadband design, the method has the advantages that on the premise that the plane area is not increased, the broadband interconnection design difficulty is greatly reduced through the three-dimensional structure design.

A flexible waveguide device, of the bellows type, for guiding a radio frequency signal at a given frequency range. The device includes: a core including outer and inner side walls, the inner walls delimiting a waveguide channel; two fixing flanges connected to or integral with respective ends of the core, and at least one flexible corrugated portion formed on a part of the outer side walls of the core and including a plurality of circumferential ribs adjacent to each other. Each rib is devoid of corrugation along its circumference. Also, a method of manufacturing the flexible waveguide device.

Circuitry is provided that includes a matching circuit, a first mixer coupled to the matching circuit and configured to receive a signal with an oscillation frequency, a second mixer coupled to the matching circuit, a first transmission line path coupled between the matching circuit and an input of the first mixer, and one or more capacitors coupled to the input of the first mixer and configured to reject signals at a harmonic frequency of the oscillation frequency. The wireless circuitry can further include a second transmission line path coupled between the matching circuit and an input of the second mixer. The transmission line path can include a first transmission line for conveying signals between the matching circuit and the first mixer, a second transmission line for conveying signals between the matching circuit and the first mixer, and a floating transmission line interposed between the first and second transmission lines.