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WO/2019/171971A1 |
A multiplexer (1) is provided with: a common terminal (P0); a first acoustic wave filter (10) that has a first input/output terminal (14) connected to the common terminal (P0), and that allows a first frequency band to pass therethrough;...
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WO/2019/171640A1 |
Provided is a high-frequency power source device that makes it possible to ascertain the status of a load, while also reducing the size and reducing the cost of the device. The high-frequency power source device is provided with: a high-...
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WO/2019/171980A1 |
Provided is a stacked triplexer which is suppressed in mixing of a signal into one band from another band. According to the present invention, a first coil L1 is connected between a common terminal and a first filter; a second coil L2 is...
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WO/2019/172033A1 |
A multiplexer (1) is provided with: a first filter (11), a second filter (12), and a third filter (13) that respectively allow different first, second, and third frequency bands to pass therethrough; a first connection point (21) that is...
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WO/2019/161984A1 |
A filter element (FEl) comprising a first port (PI) connectable to an antenna, a second port (P2) and a third port (P3) is specified, wherein • a band pass filter (BP) is arranged between the first port and the second port, the band pa...
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WO/2019/159246A1 |
A mixer according to the present invention is provided with: a VGA12 for amplifying, with a gain of cosθ, one IF band in-phase input signal constituting one part of a signal distributed into two parts; a VGA13 for amplifying, with a gai...
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WO/2019/161121A1 |
In embodiments, a power splitter/combiner includes a first electrically conductive trace included in a first layer; second and third electrically conductive traces included in a second layer; a first via electrically coupled to the first...
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WO/2019/159774A1 |
A common mode signal is attenuated in a pass band. A balance filter (1) comprises: an unbalanced terminal (T1); an unbalanced-side inductor (L2); a first balanced terminal (T21); a second balanced terminal (T22); a balanced-side inductor...
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WO/2019/158315A1 |
An improved RF band pass filter (BPF) is provided that allows to maintain a low design effort. The filter has one or more inductance elements (IE), one or more capacitance elements (CE) and at least a first electroacoustic resonator (EAR...
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WO/2019/160140A1 |
Provided are a multilayer substrate, filter, multiplexer, high-frequency front-end circuit, and communication device with which it is possible to suppress the occurrence of stray capacitance. A multilayer substrate (1), comprising a diel...
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WO/2019/160139A1 |
The purpose of the present invention is to suppress the occurrence of stray capacitance. A multilayer board (1) comprises: a pair of first capacitor electrodes (31, 32); a pair of second capacitor electrodes (41, 42); and a dielectric su...
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WO/2019/154484A1 |
The present disclosure relates to a filter assembly for a high-voltage system, a bushing for a high-voltage system and a gas-insulated switchgear (GIS). The filter assembly includes a casing adapted to contain an electrically insulating ...
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WO/2019/154655A1 |
A filter circuit comprises in a signal line a band filter (BF) allowing to let pass a useful frequency band and a notch filter (NF) circuited in series to the band filter for filtering out a stop band frequency. The notch filter comprise...
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WO/2019/151446A1 |
This directional coupler (1) is provided with: a substrate (10); a main line (20) that is formed directly or indirectly on the substrate (10); sub lines (21, 22, 23) at least portions of which are formed directly or indirectly along the ...
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WO/2019/149538A1 |
A filter circuit is provided comprising a band pass filter (TXF) and a notch filter element (NE). According to the invention the filter function and the notch function are separated and optimized independently so that no unwanted interac...
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WO/2019/151448A1 |
This directional coupler (1) is provided with: a substrate (10); a main line (20) that is formed directly or indirectly on the substrate (10); sub lines (21, 22, 23) at least portions of which are formed directly or indirectly along the ...
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WO/2019/150787A1 |
This filter module (1) is provided with a first ground terminal (G1), a second ground terminal (G2), a low-pass filter (15) and a second inductor (L2). The low-pass filter (15) comprises: a first inductor (L1) which is provided on an inp...
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WO/2019/146441A1 |
Provided is a bandpass filter which is suppressed in decrease of the absolute value of S21 in frequency regions that are on the higher frequency side and the lower frequency side of the passband. A bandpass filter (100) according to the ...
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WO/2019/143457A1 |
An RF generator in a dual frequency RF generation system. The RF generator detects IMD components resulting from interaction of the two frequencies. The IMD is reduced by adjusting the phase of the RF signal output by the RF generator. I...
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WO/2019/139395A1 |
A source matcher of the present invention may comprise: an RF oscillator unit for applying power for plasma generation to a plurality of coils installed in a chamber; an RF matcher unit for matching a load impedance to the characteristic...
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WO/2019/138786A1 |
The present invention is provided with: a first matching circuit (21) having one end connected to a common terminal (P0); a first filter (11) having one end and the other end respectively connected to the other end of the first matching ...
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WO/2019/136024A1 |
The present invention includes a method of making a RF impedance matching device in a photo definable glass ceramic substrate. A ground plane may be used to adjacent to or below the RF Transmission Line in order to prevent parasitic elec...
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WO/2019/131868A1 |
This filter module (3) comprises: a filter (11) positioned on a path linking an input/output terminal (m1) and an input/output terminal (m2); a filter (12) positioned on a path linking an input/output terminal (m3) and an input/output te...
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WO/2019/133803A1 |
According to various embodiments, a dual-band multi-receiver (DBMR) wireless power transfer (WPT) system is disclosed. The WPT system includes a transmitter including a first dc-dc converter coupled to a first inverter, a second dc-dc co...
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WO/2019/131501A1 |
A multiplexer (1) is provided with: a first filter (10) serving as a reception filter which uses an elastic wave and in which a first frequency band is the pass band; a second filter (20) in which a second frequency band is the pass band...
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WO/2019/119046A1 |
A coil assembly including a plurality of substantially planar plates interconnected to define a plurality of electrically conductive windings for surrounding a magnetic core. In one example the invention is used for a magnetic core assem...
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WO/2019/120952A1 |
An LC filter arrangement (1) for assembly on a printed circuit board (16) having conductor tracks (15) comprises: - an input having a first and a second input terminal (2a, 2b), - an output having a first and a second output terminal (3a...
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WO/2019/123995A1 |
According to the present invention, one surface of a first substrate is provided with a first ground-side land, a first power supply-side land, and a first signal land. A second substrate is arranged so as to face the surface of the firs...
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WO/2019/126317A1 |
One example device having a variable impedance matching network includes a flexible substrate configured to flex in at least an X dimension and a Y dimension, wherein the X and Y dimensions are orthogonal and coplanar with a surface of t...
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WO/2019/124211A1 |
This reception-side IC chip (1a) is provided with: a pad (15) connected to a transmission line (2) in which the characteristic impedance (Z0) outside the chip is 50 Ω; a signal line (16) having one end connected to the pad (15); a recep...
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WO/2019/116299A1 |
The invention relates to a tunable, silicon-based negative-resistance circuit (10, 30) and to an active filter (50) for E-band frequencies (60 to 90 GHz). A base of a transistor (11) is connected to an on-chip inductive transmission line...
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WO/2019/117073A1 |
The present invention provides a glass wiring substrate in which an analog splitter comprising a capacitor and an inductor is formed on a glass substrate having a small thickness to prevent glass from being broken during manufacturing so...
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WO/2019/113244A1 |
Methods and apparatuses can implement a phase shifter (124) including at least one phase shift unit (132-1, 132-2, 132-3). In an example aspect, the phase shift unit (132-1) has an inductive-capacitive (LC) core (454, 454') that includes...
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WO/2019/111645A1 |
The present invention provides an electronic control device with which it is possible to effectively suppress common mode noise in high-speed differential communication on a virtual ground surface. A connector-side ground 122 and a trans...
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WO/2019/111966A1 |
Provided is a wiring board that, even when, for example, a thin glass substrate of substrate thickness is used as a core substrate therefor, has no glass breakage during the production process and has stable electrical properties for a c...
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WO/2019/111322A1 |
The present invention is provided with a signal synthesis circuit (3) which, upon receipt of a third signal having an opposite-phase component to that of a signal obtained by synthesizing a signal the amplitude of which has been changed ...
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WO/2019/105788A1 |
In an embodiment a low-pass filter arrangement has an input terminal (20) for receiving an input voltage (Vin), a first voltage source (Vs1) coupled to the input terminal (20), a serial connection comprising a first and a second filter d...
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WO/2019/107081A1 |
According to the present invention, a low-pass filter (12) is provided with: a first inductor (L1); a second inductor (L2) magnetically coupled to the first inductor (L1); a third inductor (L3); and a first capacitor (C1). The first indu...
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WO/2019/102848A1 |
This high frequency circuit (20) is provided with: a filter (21) for Band A; a filter (22) for Band B; a filter (23) for Band C; a low-pass filter (11) which is connected between a common terminal (100) and a first terminal (110); a high...
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WO/2019/103134A1 |
[Problem] To provide an impedance matching circuit capable of being used for a high-power application of several tens of watts or more, and capable of higher-speed impedance matching. [Solution] An impedance matching circuit provided wit...
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WO/2019/104325A1 |
An impedance matching network (116) for a radio frequency (RF) amplifier device (108) includes a baseband termination circuit (122) having reactive components configured to present low impedance to signals in a baseband frequency range t...
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WO/2019/102830A1 |
In the present invention, an attenuation pole is formed in the vicinity of a desired frequency lower than the pass band of a band-pass filter, and an attenuation pole is formed in the vicinity of a desired frequency higher than the pass ...
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WO/2019/102937A1 |
A noise filter circuit (1) comprises: a pair (two) of common-mode choke coils (31, 32) that are connected in series to AC lines (11, 12) on the output side of a power conversion circuit (10) in which the input side (DC side) ground and t...
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WO/2019/097774A1 |
The purpose of the present invention is to make the frequency characteristics of a bandpass filter approach desired frequency characteristics. A first LC parallel resonator (11) is electrically connected to a first terminal (P10) at a fi...
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WO/2019/093580A1 |
The present invention relates to a phase shifter for generating a difference in phase between a first transmission path and a second transmission path, the phase shifter comprising: a phase delay circuit unit which forms the first transm...
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WO/2019/085425A1 |
Apparatus and methods for performing wireless communications are provided. In some embodiments, an apparatus includes a transformer including a first winding, a second winding, and a third winding. The apparatus also includes a first tra...
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WO/2019/087739A1 |
The objective of the present invention is to prevent the frequency characteristic of a multi-layer band-pass filter from deviating from a desired frequency characteristic. A multi-layer band-pass filter (1) is provided with first and sec...
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WO/2019/088487A2 |
The present invention relates to a wireless power transmission device, a wireless power reception device, and a wireless power transmission system, wherein wireless power transfer can be achieved even when a metal obstacle is interposed ...
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WO/2019/082671A1 |
This high-frequency circuit (2) is provided with: a multilayer substrate (70); serial arm circuits (S1 and S2) formed in a first path which connects input/output terminals (T1 and T2) formed on the multilayer substrate (70); a parallel a...
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WO/2019/082673A1 |
A multiplexer (10) is capable of simultaneously transmitting a high-frequency signal of either Band A or Band B belonging to a low-band group and a high-frequency signal of Band C belonging to a high-band group, and is provided with: a c...
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