1418results about "Coupling devices" patented technology

The invention relates to the technical field of wireless communication, and provides a coupler which comprises a substrate layer, a buried oxide layer, a first metal layer, a second metal layer and a third metal layer which are sequentially stacked and fixed. A main transmission line is formed on the third metal layer, the main transmission line is provided with a signal input end and a signal output end, the signal input end is used for accessing a radio frequency signal, and the signal output end is used for accessing an antenna; an auxiliary transmission line is formed on the first metal layer, the auxiliary transmission line is provided with a coupling end and an isolation end, and the main transmission line and the auxiliary transmission line form partial coupling and are coupled and output through the coupling end; the coupler further comprises a substrate, a monitoring circuit, a control circuit and an impedance matching circuit. The monitoring circuit is used for monitoring radio frequency signals output by the power amplifier, and the radio frequency signals are fed back to the power amplifier through the monitoring circuit after being subjected to impedance matching through the impedance matching circuit. The coupler disclosed by the invention is high in power amplifier monitoring precision and good in reliability.

A vertically-polarized omnidirectional antenna, including: a body including: a host printed circuit board (PCB) including: first and second slots, and a metal flooded ground plane, first and second antenna PCBs forming four dipole pairs, the first and second antenna PCBs mounted to the host PCB, respective first to third ground connection fillet tabs, the first and second tabs being on an opposite side of the host PCB from the third tab, the first to third tabs being on a same side of its antenna PCB, an amplitude taper on each antenna PCB at transitions between the host and antenna PCBs, including: a first transmission line splitting off into a second transmission line and a third transmission line, the second transmission line feeding two antennas to form one dipole pair, the third transmission line stepping down using a quarter-wave transformer, and a radio frequency (RF) connector to receive a power supply.

The invention discloses an ultra-wideband circulator based on a periodic modulation topology circuit, and belongs to the technical field of microwave and radio frequency nonreciprocal circuits. The working bandwidth range of the circulator is widened, and non-reciprocal transmission is achieved through non-magnetic materials. A time sequence control unit is respectively connected with a Floquet topology circuit layer, a clock signal driving module, a reset signal driving module and a start signal driving module; the Floquet topology circuit layer is respectively connected with a first coupling port, a second coupling port and a third coupling port; the other ends of the first coupling port, the second coupling port, the third coupling port, the clock signal driving module, the reset signal driving module and the starting signal driving module are respectively grounded; the Floquet topology circuit layer adopts a six-layer parallel network structure, and each layer of network structure comprises a coupling capacitor and three N-type MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) switches. The advantages of the switched capacitor structure are utilized, and the signal processing capacity which is high in integration level, small in size and capable of breaking through delay-bandwidth limitation is achieved.

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 invention provides a time-sharing multi-channel power distribution system and a control method thereof, and the system comprises a microwave excitation source which is used for generating a continuous wave radio frequency signal; the common end of the multi-channel radio frequency switch is connected with the output end of the microwave excitation source, and the multi-channel radio frequency switch is used for switching a radio frequency signal to any one of a plurality of output channels of the multi-channel radio frequency switch in a time-sharing manner; the control module is electrically connected with the control end of the multi-channel radio frequency switch, and the control module is used for outputting a control signal according to a preset time sequence so as to drive the multi-channel radio frequency switch to be switched among different output channels; the directional protection module is connected between the microwave excitation source and the multi-channel radio frequency switch and is used for guiding reflection power from an output channel to a matched absorption load, so that the inherent problem of power division attenuation of a traditional power divider is solved; therefore, each output channel can obtain almost all original input power in the working gap, thereby greatly improving the power utilization rate and the transmission efficiency.

A Butler matrix includes non-aperture couplers and phase shifters on a first substrate, non-aperture couplers and phase shifters on a second substrate, and a ground plane separating the first substrate from the second substrate. The non-aperture couplers and the phase shifters on the first substrate are connected to the non-aperture couplers and the phase shifters on the second substrate using vias extending from the first substrate to the second substrate and passing through the ground plane. The Butler matrix is a 2N×2N matrix, and N is an integer greater than or equal to 4.

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.

The invention discloses a single-stage cavity type power combiner capable of adjusting output power, the single-stage cavity type power combiner is used for an accelerator high-frequency system power source, the single-stage cavity type power combiner adopts a section of coaxial line resonant cavity folded into an n shape as a main body structure of the combiner, and by increasing the number of branches synthesized at a time, the output power of the combiner can be adjusted. The number of the single-stage cavity type power combiner is equivalent to the number of branches of the multi-stage power combiner, so that the multi-stage power combiner is replaced by the single-stage cavity type power combiner; the single-stage cavity type power combiner comprises a plurality of input coupling structures, an output coupling structure and a coaxial line resonant cavity, the plurality of input coupling structures are divided into two groups and are symmetrically distributed at two ends of the coaxial line resonant cavity shaped like a Chinese character'ji ', and each input coupling structure is directly connected with an output port of each power amplifier unit; when the single-stage cavity type power combiner has a module fault, the coupling between the fault module and the system can be quickly relieved, and the output power of other power amplifier modules is adjusted, so that the overall output power is recovered to be balanced.

An exemplary embodiment of the invention relates to a radar component (1) comprising an electric circuit board (5) having a patterned electrical layer (10), a chip (15) comprising an electronic-photonic-integrated circuit which is mounted on a top surface (5a) of the circuit board (5) and electrically connected to electrical traces (20) formed by sections of the electrical layer (10), at least one optical fiber (25) being butt-coupled to an assigned optical waveguide (30) integrated in the chip (15), the core of the butt-coupled end of the fiber (25) lying in the same plane (P) as the optical waveguide (30), said plane (P) being parallel to the said top surface (5a) of the circuit board (5), wherein the alignment between the fiber (25) and the optical waveguide (30) provides a straight, linear transmission of optical radiation between the optical fiber (25) and the optical waveguide (30), at least one radar antenna pad (35) formed by a metal pad of the electrical layer (10) or a metal pad of another electrical layer (100) of the circuit board (5), wherein the radar antenna pad (35) is connected to the chip (15) via at least one of said traces (20), and a microwave waveguide formed by a hollow pipe (45) and coupled to said radar antenna pad (35), wherein the fiber (25) is mechanically carried by a groove of the chip (15) which aligns the core of the fiber (25) with the assigned optical waveguide (30), and wherein a longitudinal axis of the hollow pipe (45) is angled to said plane (P), at least in the vicinity of the radar antenna pad (35).

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.

Apparatuses and systems implementing an amplifier module are described. The amplifier module can include a substrate. A driver amplifier die, a splitter network, an output amplifier die, a bias controller, and a combiner network can be coupled to the substrate. The driver amplifier die can be configured to receive an input radio frequency (RF) signal. The splitter network can be configured to split an intermediate RF signal outputted from the driver amplifier die into first and second RF signals. The output amplifier die can be configured to receive the first and second RF signals. The bias controller can be configured to bias the driver amplifier die and the output amplifier die. The combiner network can be configured to combine first and second outputs of the output amplifier die to generate an output RF signal and terminate at least one harmonic of the output amplifier die's output impedance.

The invention discloses a 16-in-one high-power combiner working in a radio frequency band, and belongs to the technical field of fusion radio frequency heating. The invention comprises a coaxial input hard feeder line, a radial transmission line (RTL), a gradient impedance matching coaxial line and a coaxial output hard feeder line. The physical size is designed through theoretical calculation, electromagnetic field distribution is optimized through simulation, 16 radio-frequency signal input ports are designed through radial symmetric topology, a radial transmission line serves as a main synthesis path of radio-frequency signal source power, the power input by the 16 radio-frequency signal source ports is subjected to one-step efficient synthesis in the center of the radial transmission line, and the radio-frequency signal source power is obtained. And the 50-ohm characteristic impedance standard output of the synthesized radio frequency signal power is realized through an impedance matching technology. The sixteen-in-one power combiner designed by the invention has the characteristics of high synthesis efficiency, symmetrical structure, good amplitude and phase consistency, high isolation, low return loss, low reflection loss, simple design structure, easiness in manufacturing and the like.

A horizontally-polarized omnidirectional antenna, including: a body including: a host printed circuit board (PCB) including: a metal-flooded ground plane, windows, and an interconnect providing a radio frequency (RF) signal splitting off into 2*Z0 transmission lines, a plurality of antenna elements, corresponding to respective windows, including: an antenna PCB including an antenna slot having a pullback region with the host PCB therein without directly contacting the pullback region, the window in the antenna slot, loops of conducting strips at top and bottom sides of the antenna PCB, slightly overlapping to form capacitive elements at overlap regions, a pair of input solder joints at respective input conducting strips on the top of the antenna PCB, on opposite sides of the window, a transmission feed solder joint directly between the pair of input solder joints across the window, connected to a Z0 feed line, and an RF connector receiving an antenna power supply.

The invention relates to the technical field of coupler design, in particular to a bi-directional coupler applied to a high-frequency RFID (Radio Frequency Identification Device) system, which comprises the following steps: S1, respectively constructing a series transformer, a parallel transformer and a Magic-T structure hybrid network, and forming an impedance self-matching coupler core framework by adopting a plurality of Ni-Zn ferrite double-hole magnetic rings; s2, inputting an original coupling signal output by the coupler core architecture into a phase-amplitude cooperative calibration module to generate a calibrated stable coupling signal; s3, inputting the stable coupling signal into a bridging T-type attenuation network group, respectively performing accurate power adjustment on a forward coupling path and a reverse coupling path, and finally outputting a high-directivity and low-fluctuation coupling signal; s4, monitoring the impedance state of an antenna port in real time, and feeding back and adjusting a matching network structure to realize stable control of the standing-wave ratio in a full frequency band range; according to the invention, the design of an external matching circuit is simplified, the coupling efficiency and directivity are improved, and the method has important engineering value.

The invention discloses a 3dB bridge which comprises a multi-layer dielectric body, and a first coupling line and a second coupling line are arranged on the two opposite sides of the multi-layer dielectric body respectively and are overlapped on the wide side of a coupling part. The first coupling line and the second coupling line are respectively divided into parallel finger-shaped conductor sections at the coupling part, and the adjacent finger sections correspond in a cross-layer staggered manner to form a multi-scale coupling channel of the same coupling part; corresponding input ends and output ends are respectively led out from the first coupling line and the second coupling line; and a parasitic resonance unit which is electromagnetically coupled with the finger section is arranged in the multilayer dielectric body at a distance d1 from the transverse edge of the coupling part. The 3dB bridge enables in-band coupling to be self-balanced along with frequency, a parasitic unit compensates a band edge in situ in a near field, the problem that single-scale coupling and boundary cannot be quantized is solved, wider fractional bandwidth, flatter amplitude and phase and improvement of band edge directivity and port isolation are achieved, repeatability and mass production consistency are ensured through d1, d2, T, k1 and k2 constraints, and the 3dB bridge adapts to co-fired ceramic packaging.

Dual-polarized antenna, including several antenna elements arranged in cell units. Each cell unit includes four antenna elements and two 1-to-4 junctions, a first of the two junctions being associated with a first polarization and a second of the two junctions being associated with a second polarization. The antenna also includes an array of dividers / combiners. The four antenna elements of each cell unit are superposed and several cell units are juxtaposed. Each cell unit includes two antenna elements and two other antenna elements which are offset.

An example device includes a first primary coil, a second primary coil, a combined power output, a first directional coupler output, a second directional coupler output. The example device also includes a secondary coil coupled to the combined power output, configured to magnetically couple to the first primary coil, and configured to magnetically couple to the second primary coil. The example device further includes a tertiary coil configured to magnetically couple to the secondary coil and including a first end coupled to the first directional coupler output, and a second end coupled to the second directional coupler output.

In an example of an embodiment, a plasma processing apparatus includes a processing container, a stage, an upper electrode, an inlet, and a waveguide device. The stage is provided within the processing container. The upper electrode is provided above the stage, to interpose a space within the processing container. The inlet is configured to introduce high-frequency waves. The high-frequency waves are VHF waves or UHF waves. The inlet is provided at an end of the space in the lateral direction, and extends in a circumferential direction around a central axis of the processing container. The waveguide device is configured to supply high-frequency waves to the inlet. The waveguide device includes a resonator that provides a waveguide. The waveguide of the resonator extends in the circumferential direction around the central axis and extends in the direction in which the central axis extends to be connected to the inlet.

To provide a wireless communication signal distribution device that can easily expand the number of signals distributed. [Solution] The wireless communication signal distribution device of the present invention comprises a transmission path for transmitting a first signal, and a plurality of resonators that are not in contact with the transmission path and are spaced apart along the transmission direction of the first signal, and that resonate at the frequency of the first signal, thereby exciting a second signal that has the same frequency as the first signal. The resonators are composed of conductors having a length that causes resonance at the frequency of the first signal.

To provide a converter that can couple a derivative waveguide to a coaxial wire with low loss.SOLUTION: A converter 10 that electromagnetically couples a dielectric waveguide 3 and a coaxial line 2 comprises a shaft-shaped waveguide member 7 made of a dielectric and having a conical shaped part 71 at one end portion in an axial direction, a taper slot antenna 6 disposed to face a conical surface 71a of the conical shaped part 71, a housing 4 that accommodates the waveguide member 7 and the taper slot antenna 6, and a support member 8 that supports the waveguide member 7 with respect to the housing 4, wherein the coaxial line 2 is connected to the taper slot antenna 6 and the dielectric waveguide 3 is connected to the waveguide member 7. The support member 8 contacts a part in a circumferential direction of an outer peripheral surface 7a of the waveguide member 7 to support the waveguide member 7 with respect to the housing 4, and a gap is formed between another part in the circumferential direction of the outer peripheral surface 7a of the waveguide member 7 that is not contacted by the support member 8 and an inner surface 4a of the housing 4.SELECTED DRAWING: Figure 6

A microwave component (40), said component comprising: - at least one waveguide (42) comprising a propagation zone (48) of an electromagnetic wave, said propagation zone extending along a propagation axis; - a support substrate (44) of dielectric material adapted to ensure the mechanical rigidity of said component; - said support substrate comprising a first layer made of dielectric material having a first upper electrically conductive surface (44.1) and a first lower electrically conductive surface (44.2) respectively covering an upper and a lower face of said support substrate; - at least one absorption zone (47) extending into the support substrate to guide the propagation of electromagnetic waves from said waveguide into the substrate in order to absorb or attenuate the energy of the waves, said absorption zone being delimited by the first upper electrically conductive surface (44.1), the first lower electrically conductive surface (44.2) and two spaced lateral boundaries (46) designed to prevent the passage of an electromagnetic wave; - a feed element (49.1, 49.2) positioned at the entrance of said absorption zone (47) and configured to take at least a portion of the electromagnetic wave from said propagation zone (48) of said at least one waveguide and inject it into said absorption zone (47). Abstract figure: Figure 5.

Disclosed herein are devices, systems, and methods related to edge couplers for providing wireless channel interconnects between edges of chiplets, components, modules, devices, packages, SoCs, etc. Such edge couplers may be formed from a stack of multiple layers and a core arranged between layers of the stack. A driven via extends from at least one feed layer of the stack of multiple layers into the core, wherein the driven via is isolated from ground. A plurality of grounded through-hole vias are grounded, extend from at least one ground layer of the stack, and traverse through the core, wherein the plurality of grounded through-hole vias partially surround the driven via.

The invention belongs to the technical field of electronic materials, and provides a microwave dielectric material, a preparation method thereof and an electronic component. The microwave dielectric material is prepared from the following raw materials in percentage by weight: 5wt%-20wt% of calcium-aluminum-boron glass, 60wt%-85wt% of SiO2 and 2wt%-15wt% of an additive, wherein the total weight percentage of the calcium-aluminum-boron glass, the SiO2 and the additive is 100%; wherein the additive comprises at least one of B2O3, Li2O and Al2O3, and at least one of ZnO and TiO2. The microwave dielectric material provided by the invention has a relatively low dielectric constant, can meet the high-frequency application requirement of the microwave dielectric material, has relatively low dielectric loss, can effectively reduce the energy loss of a system, also has a near-zero frequency temperature coefficient, and can ensure the frequency temperature property of a product at different use temperatures.

A wiring board includes a base body, a signal line located at the base body, and a waveguide of a waveguide-type located at the base body. The signal line includes a first end part that is one end of the signal line in a signal transmission direction. The waveguide includes a second end part that is one end of the waveguide in the signal transmission direction, a center part in the signal transmission direction, and an intermediate part on a side of the second end part closer to the center part. The first end part and the second end part are coupled to one another. A width of the waveguide at the second end part is wider than a width of the waveguide at the intermediate part.

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 invention provides a signal handling unit for handling signals having a first frequency and signals having a second, lower, frequency. The signal handling unit comprises: a signal divider electronically connected to a first port by a common signal line; a first signal branch electronically connecting the signal divider to a second port, wherein the first signal branch comprises a directional interface adapted to: convey only signals at the first frequency from the signal divider to the second port; and a second signal branch electronically connecting the signal divider to a third port, wherein the second signal branch is adapted to convey signals at the first and second frequency from the signal divider to the third port.

The present disclosure relates to a waveguide transition arrangement (300, 700) for coupling a signal between a transmission line (120, 320) and a waveguide aperture (112, 312, 712) The transition arrangement (300) comprises - an electrically conductive backshort (319, 719), - a first layer structure (103, 703) comprising a first dielectric carrier material (104) and a first metallization layer (105), and - a second layer structure (106, 306, 706) comprising a second dielectric carrier material (107, 307), a second metallization layer (108, 308), a trench (109, 309, 709) provided with electrically conductive trench walls (110, 111; 318), and a waveguide aperture (112, 312, 712) that is connected to the trench (109, 309, 709), comprises electrically conductive inner waveguide walls (321), and defines a waveguide that has a signal propagation extension (E) into the second layer structure (106, 306, 706). The first metallization layer (105) comprises a probe (116, 116A), a first signal conductor (113, 133A), and a pair of beamlead conductors (114A, 114B) on each side of the first signal conductor (113, 113A) and an end of the first signal conductor (113, 133A) is connected to the probe (116, 116A). The second metallization layer (108, 308) comprises trench side conductors (115A, 115B; 315A, 315B) on opposite sides along the trench (109, 309, 709), and an aperture conductor (117, 317) that partially circumvents the waveguide aperture (112, 312, 712). The beamlead conductors (114A, 114B) are connected to the respective trench side conductors (115A, 115B; 315A, 315B) such that the first signal conductor (113, 113A) runs along to the trench (109, 309, 709), and the probe (116, 116A) can couple the signal between the transmission line and a waveguide.

The application discloses a broadband multi-stage Gysel power divider based on an IPD process, comprising a microstrip structure layer, and first and second dielectric substrates and a ground metal layer; the microstrip structure layer adopts a multi-layer nested structure, each layer of the nested structure is formed by cascading multi-stage Gysel power division units, and is arranged on the upper surface and the interior of the first dielectric substrate, so that an integrated layout based on the IPD process is formed, and a planar spiral structure, an air bridge, a parallel plate capacitor, a thin film resistor and a layered ground unit structure are integrated; the planar spiral structure is equivalent to a specific characteristic impedance transmission line, the air bridge structure solves cross interference and suppresses a parasitic capacitor, the parallel plate capacitor structure calibrates equivalent reactance parameters, the thin film resistor effectively improves port isolation and heat dissipation, and the layered ground unit structure strengthens heat dissipation and ground reliability. The application can realize stable power distribution in a wide frequency band, and is suitable for the integration requirements of high-frequency, high-power and small-sized radio frequency front ends.

The invention discloses a small broadband cavity-backed radiator, which belongs to the technical field of electromagnetic fields and microwaves and comprises a reflection cavity, a loading medium, a printed balun, a printed oscillator, a low-density medium support and double leads. The low-density medium support is used for supporting the printed oscillator; the printed balun and the printed oscillator are electrically connected through double leads; the loading medium is used for adjusting the impedance frequency characteristic of the printed oscillator in the reflection cavity; the printed Balun adopts a strip line-flat plate line-parallel double-line structure and is used for realizing unbalanced-balanced transmission mode conversion and impedance conversion of 3: 1 bandwidth; and the printed oscillator is used for radiating electromagnetic energy and is matched with the multi-ring-groove loading medium and the printed Balun to realize impedance-frequency characteristic balance within a 3: 1 bandwidth range. The small broadband back cavity radiator can effectively solve the problems that in the prior art, the caliber of a reflection cavity of a traditional broadband back cavity radiator is large, the loading effect is not ideal when the bandwidth of a directional diagram is 4 GHz or above, and directional diagram distortion occurs.