56 results about "Rf filters" patented technology

The invention provides a radio frequency device hyper-parameter automatic optimization algorithm library. The radio frequency device hyper-parameter automatic optimization algorithm library comprises an interface module, a directional optimization algorithm module and a multi-modal optimization engine module, according to the optimization algorithm library, the automation level and the performance optimization efficiency of radio frequency device design are remarkably improved by constructing a domain knowledge graph covering six core devices including a radio frequency filter, a power amplifier, a numerical control attenuator and a low-noise amplifier and combining a customized optimization algorithm and a cross-level cooperation strategy. On the algorithm design level, aiming at the specific characteristics of the device, different hybrid optimization strategies are adopted, the global search capability of a genetic algorithm and a particle swarm optimization algorithm and the local optimization advantage of a gradient descent method are combined, and dynamic weight adjustment is matched, so that the targeted radio frequency device optimization process design is realized. According to the optimization algorithm library, through an independent calling interface for packaging the automatic design algorithm, the use difficulty of the automatic design algorithm is simplified, and the optimization process is normalized.

The present disclosure relates to an antenna apparatus, and especially comprises: a main body module in which a main board is mounted; an RF module which is fixed to the front so that an intermediate outside air layer is formed between the RF module and the main body module, and in which an RF filter unit and an antenna element unit are mounted; and an amplification unit module which is disposed so as to be exposed in the intermediate outside air layer between the main body module and the RF module, and comprises an amplification unit substrate having analog amplification elements mounted thereon, wherein heat generated from heating elements mounted on the main board is dissipated through at least any one of the front and back of the main body module, and heat generated from the amplification unit module is directly dissipated through the intermediate outside air layer, and thus the advantage of enabling maximum heat dissipation performance is provided.

The invention discloses a filter and a radio frequency front-end module, and relates to the technical field of radio frequency filtering. The filter comprises a piezoelectric substrate, a first resonator, a second resonator and a dielectric layer. The first resonator and the second resonator are both arranged on the piezoelectric substrate, the first resonator is arranged on one side of the second resonator, a spacing area is formed between the first resonator and the second resonator, and the first resonator and the second resonator both comprise interdigital transducers; the dielectric layer is at least arranged in the spacer region; wherein the propagation speed of sound waves in the dielectric layer is greater than that of the sound waves in the interdigital transducer. According to the invention, surface acoustic waves leaked by the surface acoustic wave devices can be converted into leaky waves, so that mutual interference between the surface acoustic wave devices is effectively reduced, and the performance of the filter is improved.

Proposed are an antenna RF module and an antenna apparatus including the antenna RF modules. The antenna RF module includes an amplification unit module which is arranged between a main board and an RF filter and into which at least one analog amplification element is built. The amplification unit module includes an amplification unit body, an amplification unit board seated inside the amplification unit body, a front end portion of an edge of the amplification unit board being connected to the RF filter for signal transmission and a rear end portion of the edge thereof being connected to the main board for signal transmission, an amplification unit cover provided in such a manner as to cover the amplification unit board, and a vapor chamber positioned between the amplification unit body and the amplification unit board or between the amplification unit cover and the amplification unit board and serving as a medium for transferring heat generated from analog amplification elements mounted on the amplification unit board.

Embodiments relate to a coaxial double motor for tuning an RF filter whose one motor is equipped with two coaxial shafts for controlling a tuning screwdriver for tightening a tuning screw of an RF filter and a nut driver for tightening a nut thereof and that is implemented to make one motor independently rotate one shaft for controlling a tuning screwdriver of an RF filter and the other shaft for controlling a nut driver thereof; and an RF filter tuning apparatus using the same and a method thereof.

The present invention relates to an antenna RF filter assembly, and more particularly, the present invention comprises a main board on which a plurality of electric components are mounted; a plurality of RF filters provided on one surface of the main board; and a filter support member disposed between the main board and the plurality of RF filters, formed of a metal material, and spaced apart from the plurality of RF filters in the direction of the one surface of the main board, thereby providing the advantages of preventing cracks in the solder paste due to the difference in the thermal expansion coefficients of the main board and the RF filters, and achieving a more precise arrangement of the RF filters, and improving the reliability of the product.

In one aspect, a method comprises: comparing, in a comparator, a signal level of a receive radio frequency (RF) signal to a first threshold, the receive RF signal obtained from a controllable location in an RF front end circuit; and in response to the signal level of the receive RF signal exceeding the first threshold, causing the RF front end circuit to be reconfigured from a first mode in which an input to a low noise amplifier (LNA) is coupled an antenna to a second mode in which the input to the LNA is coupled to an RF filter.

To provide an RF filter that allows RF power to be provided to a heating element in an RF electrode without ingress.SOLUTION: A radio frequency (RF) filter includes an inductive element having a plurality of coil sections collectively forming a non-split coil of a cable of a twisted magnetic wire. The coil sections have different winding pitches. The cable of the twisted magnetic wire is configured for at least one channel, with two wires per channel. The cable of the twisted magnetic wire is connected at a first end to an electrical component that is to receive power from a power source, and the cable of the twisted magnetic wire is connected at a second end to a power source. A terminating capacitive element is electrically connected between a reference ground potential and each wire of the cable of the twisted magnetic wire at a respective location between the second end of the inductive element and the power source.SELECTED DRAWING: Figure 6

The substrate supporting apparatus according to an embodiment of the present invention comprises: a seating plate in which a heater for heating a substrate is installed and on which the substrate is seated; a first power supply line and a second power supply line which are configured to connect the heater to a heater power supply apparatus for supplying power to the heater; a first RF filter unit and a second RF filter unit which are installed on the first power supply line and the second power supply line, respectively, and configured to allow power supplied from the heater power supply apparatus to pass therethrough, while blocking RF power supplied for plasma generation; and a high-pass circuit positioned between the heater and the first and second RF filter units and installed on a connection line connecting the first power supply line and the second power supply line, the high-pass circuit being configured to block the RF power.

The invention discloses a multiplexer and a radio frequency front-end module, and relates to the technical field of radio frequency filtering. The multiplexer comprises an antenna port, a plurality of first filters, a first matching circuit and a second filter. Each first filter is connected to a first common node; the first matching circuit is connected in series between the first common node and the antenna port; the second filter is connected to the antenna port; wherein in a preset mode, the at least one first filter and the second filter transmit radio frequency signals at the same time, and the center frequency of the working frequency band of the second filter is higher than that of the working frequency band of the first filter. According to the invention, the number of matching elements can be reduced, and the CA performance of the multiplexer can be improved, so that the performance of the radio frequency front-end module is improved.

The present invention relates to an RF filter assembly for an antenna. Particularly, the RF filter assembly for an antenna comprises: a main board on which a plurality of electronic components are mounted; a plurality of RF filters which are installed on one surface of the main board; and a filter support member which is disposed between the main board and the plurality of RF filters, is made of a metal material, and separates each of the plurality of RF filters in the direction of the one surface of the main board. Thereby, the present invention provides advantages of preventing the occurrence of cracks in solder cream caused by differences in thermal expansion coefficients between the main board and each RF filter, and also, enabling a more precise RF filter arrangement, and improving product reliability.

The present disclosure relates to an antenna RF module, an RF module assembly including the antenna RF modules, and an antenna apparatus including the RF module assembly. Particularly, the antenna RF module includes an RF module, a radiation element module arranged on a first side of the RF filter, and an amplification unit board arranged on a second side of the RF filter, an analog amplification element being mounted on the amplification unit board. A plurality of antenna RF modules constitute the RF module assembly, and the RF module assembly and an antenna housing constitute the antenna apparatus. Accordingly, a radome that interrupts dissipation of heat to in front of an antenna is unnecessary, and heat generated from heat generating elements of the antenna apparatus is spatially separated. Thus, it is possible that the heat is dissipated in a distributed manner toward the front and rear directions of the antenna apparatus. The effect of greatly improving performance in heat dissipation can be achieved.

An RF filter includes a filter housing, a plurality of hybridly coupled resonators configured in a cascade arrangement in the filter housing, a three-dimensional structure for providing inductive coupling in the RF filter. Each of the hybridly coupled resonators includes a conductive support structure extending vertically from a base of the filter housing and a folded resonator head supported on and electrically connected to the conductive support structure. The three-dimensional structure includes at least one conductive ridge extending vertically from the base of the filter housing between and electrically connected to the conductive support structures of adjacent resonators among the hybridly coupled resonators. The folded resonator head of each of the hybridly coupled resonators is configured to provide capacitive coupling in the RF filter.

Methods and apparatus for processing a substrate are herein described. For example, a processing system for processing a substrate comprises a chamber body defining a processing volume, a radio frequency (RF) power source configured to generate RF energy, an impedance matching network configured to optimize delivery of the RF energy to a plasma in the processing volume, and an RF filter connected between the radio frequency (RF) power source and the matching network via an RF cable.

Electroacoustic resonator, comprehensive an acoustic track with a first busbar and a second busbar, a medium excitation range between the first and second busbars, an electrode structure with a first electrical connection, a second electrical connection and a plurality of electrode fingers, which are electrically connected to either the first or the second electrical connection, a first gap region between the middle excitation area and the first busbar and a second gap region between the middle excitation area and the second busbar, a velocity compensation structure designed and configured to create a homogeneous transverse velocity profile, wherein the velocity compensation structure includes dielectric material in the first and / or second gap region and wherein the dielectric material chosen for the velocity compensation structure has a smaller specific acoustic impedance than the material of the electrode structure.

An RF filter, comprising a chassis (1) that defines a cavity, and a plurality of resonators (2a, 2b) that are disposed in the cavity, wherein at least one resonator (2) comprises a body part (21) that extends in a first plane from a first end to an opposite second end along a first direction, an enlarged portion (22) that is provided at the second end and extends in the first plane along a second direction substantially perpendicular to the first direction so as to have a larger width in the second direction than the body part (21), and a folded portion (23) that is formed by bending along a lateral edge of the enlarged portion (22) at an angle of about 90° so as to extend in a second plane substantially perpendicular to the the second direction. The folded portion (23) plays a role in forming a coupling of the resonator with an adjacent resonator. The body part (21), the enlarged portion (22) and the folded portion (23) are made of a metal strip line, or a strip-line made of non-metal base with a metallized surface. The folded positions of two adjacent resonators can achieve desired coupling polarity.

The present invention relates to a radio frequency (RF) module for an antenna and an antenna device comprising the same, and more particularly, to a radio frequency (RF) module for an antenna and an antenna device comprising the same, comprising: a plurality of RF filter units comprising a filter body formed to be elongated in the vertical direction; a plurality of radiating element sections which are formed so as to be longer than the plurality of RF filter sections, and which are detachably fixed so as to be electrically connected to the respective front ends of the plurality of RF filter sections; the present invention provides an antenna device having a plurality of radiating element portions, and an ISOI wall coupled to each of both end portions in the width direction of the plurality of radiating element portions and arranged in a divided manner so as to minimize ISOI between adjacent radiating element portions, thereby providing the advantages of facilitating installation and replacement and improving the overall communication efficiency of the antenna device.

Methods and apparatuses for processing a substrate are provided herein. For example, a processing chamber for processing a substrate includes a chamber body defining a processing volume; a radio frequency (RF) power source configured to transmit RF energy to a processing space for processing a substrate; a substrate support including an electrode; an AC power source configured to supply power to the processing chamber; an RF filter circuit connected between the electrode and the AC power source; and a controller configured to monitor, at the RF filter circuit, an RF voltage induced into the electrode during operation by the RF power source and configured to determine a processing condition in the processing volume based on the monitored RF voltage.

A ceramic radio frequency (RF) filter is provided, including a first ceramic block and a second ceramic block attached on top of the first ceramic block. One or more through-holes are provided through the first block, and one or more corresponding blind-holes are provided in the second block and at least partially aligned with the one or more through-holes of the first block. The filter further includes input and output terminals arranged at the first block, for injecting and extracting, respectively, a signal into / from the first block. A method of manufacturing the filter is also provide, including an optional step of performing a frequency-adjustment of the RF filter by adjusting a depth and / or size of at least one blind-hole.

This invention discloses a method for monitoring the adsorption state of an electrostatic chuck wafer, comprising the following steps: If the wafer is not adsorbed, a reference frequency is found by frequency sweeping; based on the reference frequency, several sampling capacitors are obtained by frequency sweeping, and the initial capacitance is obtained by fitting the sampling capacitors; if the wafer is adsorbed, several sampling capacitors are obtained by frequency sweeping, and the adsorbed capacitance is obtained by fitting the sampling capacitors; the adsorbed capacitance is compared with the initial capacitance to determine the wafer adsorption state. By combining automatic reference frequency optimization with graded frequency sweeping calibration, it can adapt to LC RF filters with different capacitance values ​​from a few nanofarads to thousands of nanofarads without manual parameter preset, greatly enhancing the system's versatility, stability, and long-term reliability, reducing equipment maintenance costs, effectively solving the problems of narrow measurement range and inability to resolve small changes under large base capacitance values ​​in traditional capacitance detection, and avoiding detection failures or misjudgments caused by differences in filter capacitance values.

A directional coupler having coupling variability at separate portions of an operational frequency band. The coupler may be comprised within a Full Duplex (FDX) amplifier and itself may comprise input and output ports, a coupled port, a termination port, a first RF filter coupled to the coupled port, and a second RF filter coupled to the termination port. The first and second RF filters yield a first coupling value at one portion of the operational frequency band of the coupler and a second coupling value at a second portion of the operational frequency band. The first portion of the band corresponds to a range of frequencies at which higher coupling for the coupler is desired and greater loss in the signal is tolerable. The second portion of the band corresponds to a range of frequencies at which lower coupling for the coupler is tolerable and lower signal loss is desirable.

An example cooling system for a wireless networking device is presented. The cooling system includes a Peltier cooler disposed in thermal contact with a radio-frequency (RF) filter coupled to a transceiver disposed in the wireless networking device. Further, the cooling system includes a thermal management controller coupled to the Peltier cooler and the transceiver. The thermal management controller is configured to receive a signal indicating whether the transceiver is performing a data communication. In response to determining that the transceiver is performing the data communication, the thermal management controller operates the Peltier cooler to actively cool the RF filter. However, in response to determining that the transceiver is not performing the data communication while the wireless networking device is powered on, the thermal management controller operates the Peltier cooler to stop actively cooling the RF filter.

Methods and apparatus for processing a substrate are herein described. For example, a processing system for processing a substrate comprises a chamber body defining a processing volume, a radio frequency (RF) power source configured to generate RF energy, an impedance matching network configured to optimize delivery of the RF energy to a plasma in the processing volume, and an RF filter connected between the radio frequency (RF) power source and the matching network via an RF cable.

A distribution element RF filter comprises one or more fully grounded half-wave resonators positioned between a first and a second resonator, which are electrically coupled to corresponding input / output (I / O) interfaces near corresponding ends of a dielectric substrate. Each of the one or more half-wave resonators includes a U-shaped or omega-shaped resonator section located between a first and a second end section, which are electrically connected to a base plate on a common side of the substrate. Each resonator has an electrical length that is nominally equal to half a wavelength of a center frequency of the filter. The filter may optionally include a conductive cover over the resonators.

The present invention relates to a radio frequency (RF) module for an antenna and an antenna device comprising the same, and more particularly, to a radio frequency (RF) module for an antenna and an antenna device comprising the same, comprising: a plurality of RF filter units comprising a filter body formed to be elongated in the vertical direction; and a plurality of radiating element parts detachably fixed so as to be electrically connected to the respective front ends of the plurality of RF filter parts, the plurality of RF filter parts including: the filter main body including a left filter part and a right filter part that are spatially provided on one side part and the other side part in the width direction, respectively; and a common resonance unit disposed at each end of at least two multibands constructed in the left filter unit and the right cavity of the filter main body, thereby providing the advantage of being able to achieve convenient installation and replacement, and being able to improve the overall communication efficiency of the antenna device.

The present invention relates to a heat dissipation module, a heat dissipation device including the heat dissipation module, an RF filter for an antenna, an antenna device, and a lighting device, and more particularly, to a heat dissipation module including a heat transfer plate main body having a refrigerant flow space as a space in which a refrigerant is filled therein and gas-liquid circulates to change the phase of the refrigerant in a closed space and release heat, wherein the refrigerant flow space includes: a first section, which is an evaporation region in which heat is received from a heat-generating body, which is a heat-dissipating target; and a second section that is a path through which a liquid refrigerant, among the refrigerants, condensed from a gas state to a liquid state flows to the first section by means of surface tension or gravity. The heat-generating body is coupled to the outside of the heat-transfer plate body corresponding to the first section in either an insertion manner or a joining manner.

The present invention relates to an RF module for an antenna, and an antenna apparatus comprising same. In particular, the RF module comprises: a unit RF filter body arranged on the front surface of a main board; a radiating element unit disposed on the front surface of the unit RF filter body; and a reflector panel which is formed to be wider than the area of the vertical cross-section of the unit RF filter body while forming the front surface of the unit RF filter body, and grounds (GND) the radiating element unit, wherein a plurality of cavities opened outward to the left and right are respectively formed on the left and right sides of the unit RF filter body, each cavity comprises a left filter unit and a right filter unit which have a built-in resonator so as to perform different frequency filtering, and the left filter unit and the right filter unit are electrically connected to the radiating element unit by passing through the reflector panel. Accordingly, an advantage of ameliorating the overall PIM problem is provided.

Disclosed herein is a radio frequency (RF) module for antennas and an antenna apparatus including the RF module. The RF module includes a plurality of RF filter units each including a filter body formed to be elongated in a vertical direction, a plurality of radiating element units having a length greater than a length of the plurality of RF filter units, and detachably secured and electrically connected to respective front ends of the plurality of RF filter units, and radio wave interference isolation walls respectively coupled to opposite ends of each of the plurality of radiating element units in a width direction, and disposed in a partitioned manner to minimize radio wave interference with adjacent radiating element units. This configuration may enable simple installation and replacement, and may improve overall communication efficiency of the antenna apparatus.

The present invention relates to an apparatus and a method for tuning an RF filter by using a single motor, which include a tuning screw driver for tightening a tuning screw and a nut driver for tightening a nut, in an RF filter, to control the screw and the nut with a single motor, and control the tuning screw driver and the nut driver of the RF filter with a time difference, and thus can reduce production costs. The apparatus for tuning an RF filter by using a single motor of the present invention includes: the single motor; a main gear fixed to an end of the single motor; a screw gear provided to be engaged with the main gear; a screw driver provided at the lower center of the screw gear to rotate; a nut gear provided to be engaged with the main gear; and a nut driver provided at the lower center of the nut gear to rotate.

Disclosed herein is a radio frequency (RF) module for antennas and an antenna apparatus including the RF module. The RF module includes a plurality of RF filter units each including a filter body formed to be elongated in a vertical direction, and a plurality of radiating element units detachably secured and electrically connected to respective front ends of the RF filter units. Each RF filter unit include the filter body including a left filter and a right filter which are respectively provided in a form of cavities on one side and a remaining side in a width direction of the filter body, and a common resonant component disposed on an end of each of at least two or more multi-bands built in the left filter and the right filter. This configuration may enable simple installation and replacement, and may improve overall communication efficiency of the antenna apparatus.