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Matches 251 - 300 out of 25,272

Document Document Title
WO/2018/091335A1
An apparatus (100; 400) for varying amplitude and phase of signals along at least one signal path (I) is disclosed. The apparatus comprises: an input (101) for receiving an input signal; an output (102) for providing an output signal; a ...  
WO/2018/093508A1
A multiplexer with an improved isolation between TX and RX is provided. To that end, at least one of the TX and RX filters has two ground connections separate from each other.  
WO/2018/092855A1
A drive circuit (A1) performs switching between the on-state and the off-state of a PIN diode (D), said drive circuit being provided with a switching element (SH) and a switching element (SL), a drive power supply, and a current limiting...  
WO/2018/092442A1
In order to reduce LC filter insertion loss, an LC filter (1) according to an embodiment of the present invention is provided with a first LC resonator (LC2) and a second LC resonator (LC3). The first LC resonator (LC2) and the second LC...  
WO/2018/087914A1
The present invention is configured so as to comprise: a high-pass filter (2) that eliminates an offset included in an AC signal Vin input from a signal input terminal (1); and a waveform restoration unit (3) that, using a time constant ...  
WO/2018/087802A1
Provided is a multi-band filter (100) that can form a passband and ensure attenuation in a suppression band outside the passband, by being equipped with: a printed substrate (10); a first filter (20); a second filter (30) having external...  
WO/2018/089166A1
A system includes: a baseband phase generator configured to receive differential in-phase (I) and quadrature (Q) signals and configured to output N phase-shifted baseband signals, wherein N is greater than 4, further wherein the baseband...  
WO/2018/087189A1
The invention concerns a circuit (100) able to perform a simultaneous impedance matching between a generator (G) and a load (CH) for a power supply signal having at least two distinct frequencies, comprising: - an impedance matching stag...  
WO/2018/083907A1
A low pass filter, provided with: a coil 20 for which a band shaped conductor 22 is wound a plurality of times around a prescribed axis line 20a; a capacitor 30 for which one terminal is connected to the conductor 22, and the other termi...  
WO/2018/083936A1
Provided is a multilayer LC filter which has desired frequency characteristics, while being reduced in height. This multilayer LC filter is configured such that: when a laminate 1 is perspectively viewed from the lamination direction of ...  
WO/2018/055409A3
There is provided multiplexing apparatus including at least two input ports and at least two output ports. At least three filter means are provided in the apparatus and are operable over at least three different radio frequencies or freq...  
WO/2018/076519A1
A circuit and a design method for a dual-band non-uniform transmission line impedance converter. The method optimizes the structural size of an impedance converter by means of a mathematical optimization model, changes the corresponding ...  
WO/2018/079279A1
The purpose of the present invention is to provide a communication device capable of reducing the effect of noise and accurately performing communications pursuant to the BroadR-Reach communication standard. A communication device accord...  
WO/2018/078472A1
A superconducting microwave device (400) is provided. A left-handed resonator (215) include at least one unit cell (205). A non-linear dispersive medium (405) is connected to the left-handed resonator (215), such that one end of the left...  
WO/2018/071203A1
An energy absorbing circuit includes a power divider that is configured to divide an incoming RF signal into a plurality of RF component signals; a plurality of transmission lines that are connected with the power divider, each of the tr...  
WO/2018/071634A1
Circuits for protecting devices, such as gallium nitride (GaN) devices, and operating methods thereof are described. Such circuits may include a temperature sensor (104) configured to sense the temperature of at least a portion of a devi...  
WO/2018/070273A1
Provided is an acoustic wave filter device which is capable of reducing ripples in a stopband on the high-frequency side of a passband of a bandpass filter, and with which deterioration due to an insertion loss of another bandpass filter...  
WO/2018/069255A1
The invention relates to a method for the frequency filtering of a first electric current (C1) having a first frequency, comprising the following steps: a radio frequency filter (10) is provided, comprising an adder (40) and a first pill...  
WO/2018/070105A1
This lamination type LC filter array is provided with: an element body having a cuboid shape; a first filter including a first inductor and a first capacitor which are disposed in the element body; a second filter including a second indu...  
WO/2018/070145A1
The present invention suppresses the manufacturing cost of an electronic component which is provided with a shield electrode, and the mounting direction of which is identifiable. An embodiment of the present invention pertains to an elec...  
WO/2018/066339A1
The present invention provides a stacked LC filter in which the strength of magnetic coupling between inductors of adjacent LC resonators is adjusted without increasing the size thereof. A magnetic coupling adjustment inductor is provide...  
WO/2018/064981A1
A radio frequency (RF) transmitter apparatus and method are provided with dual variable impedance components. Included is at least one RF transmitter with a power amplifier and a filter. Further, a first variable impedance component is i...  
WO/2018/066578A1
A filter (101) is provided with: a series circuit comprising a first Zener diode (ZD1) and a second Zener diode (ZD2); and a third Zener diode (ZD3) and a third inductor (L3) connected between a connecting point (NP) and ground. A first ...  
WO/2018/064518A1
Various examples are provided for power amplifiers for coil array systems, which include load-independent Class E power amplifiers. In one example, a wireless charging system includes a three-dimensional (3D) coil array; and control circ...  
WO/2018/061974A1
The present invention suppresses multiple reflections of leakage signals. A high-frequency front-end circuit (10) is provided with a diplexer (20), a duplexer (31), and a low band-side multiple-reflection suppressing unit (50). The diple...  
WO/2018/062119A1
A small-sized high-frequency front end circuit is obtained via a simple configuration. The high-frequency front end circuit (10C) is provided with an input terminal (P10), output terminals (P21, P23), a filter (31), a filter (41), and a ...  
WO/2018/062109A1
Provided is an impedance-matching device that matches impedance between a high-frequency power source and a load. The impedance-matching device according to the present invention is provided with: a matching circuit having variable capac...  
WO/2018/055460A1
A technique relates to a lossless microwave switch discussed herein. Multiple ports are included in the lossless microwave switch. Tunable filters are included in the lossless microwave switch. Each of the ports is operatively coupled a ...  
WO/2018/055467A1
A technique relates to configuring a superconducting router. The superconducting router is operated in a first mode. Ports are configured to be in reflection in the first mode in order to reflect a signal. The superconducting router is o...  
WO/2018/056056A1
A filter (10) is provided with: a substrate (102) having piezoelectric properties; an IDT electrode (121) formed on the substrate (102); wiring (108) which is formed on the substrate (102), and which is electrically connected to the IDT ...  
WO/2018/056879A1
The present invention relates to a filter unit (40), a bandpass filter (50) and a system (60) for detection. The filter unit (40) has a center frequency and comprises a first dielectric substrate (19), a first conducting plane (15), and ...  
WO/2018/057001A1
Disclosed herein are methods and systems that include an automatic wireline tuner. A downhole cable system may comprise a cable assembly comprising a conductor; and a negative impedance circuit at a termination of the conductor in the ca...  
WO/2018/057725A1
A radio frequency (RF) duplexer may comprise quadrature hybrid couplers and RF filters. The isolation and insertion loss of such RF duplexer, often limited by practical imperfections such as component mismatches and layout asymmetries, m...  
WO/2018/055409A2
There is provided multiplexing apparatus including at least two input ports and at least two output ports. At least three filter means are provided in the apparatus and are operable over at least three different radio frequencies or freq...  
WO/2018/051447A1
This matching device is provided with: a directional coupler; a matching circuit comprising a first variable capacitor and a second variable capacitor; a control unit; and a storage unit that stores corrected setting values for the capac...  
WO/2018/052935A1
A magnet-free non-reciprocal device realized using modulated filters. The device includes one or more filters in one or more branches, where each branch connects two ports or a port and a central node. The poles and zeros of each of the ...  
WO/2018/051864A1
A high-frequency front-end circuit (1) is provided with a frequency variable type filter (20) that is connected to a selection terminal (112) of a switching circuit (10), and a filter (30) that is connected to a selection terminal (113) ...  
WO/2018/051846A1
Provided is a filter (10) provided with: a parallel arm resonator (p1) having an IDT electrode (121) that comprises a plurality of electrode fingers (121a); and a comb-tooth capacitor (C1) comprising a plurality of electrode fingers (131...  
WO/2018/047488A1
The present invention suppresses a reduction in a Q-value while ensuring a shield effect. An electronic component (1) according to an embodiment has a laminate of a plurality of dielectric layers (Lyr1 to Lyr14). The electronic component...  
WO/2018/044799A1
Binary-weighted attenuator having compensation circuit. In some embodiments, a radio-frequency (RF) attenuator circuit can include a plurality of attenuation blocks arranged in series between an input node and an output node, with each o...  
WO/2018/043606A1
A filter (10) has a serial arm resonator (s1) connected to a path connecting an input-output terminal (11m) and an input-output terminal (11n), and has a parallel arm resonator (p1) and a parallel arm resonator (p2) that are connected be...  
WO/2018/044798A1
Attenuators having phase shift and gain compensation circuits. In some embodiments, a radio-frequency (RF) attenuator circuit can include one or more attenuation blocks arranged in series between an input node and an output node, with ea...  
WO/2018/042247A1
A transformer-based balun circuit is disclosed herein. The balun can be implemented using a spiral transformer (204), where primary transformer windings (206) and secondary transformer windings (208) can be inductively coupled and can be...  
WO/2018/043610A1
A filter (10) has a serial arm resonator (s1) connected to a path connecting an input-output terminal (11m) and an input-output terminal (11n), and has a parallel arm resonator (p1) and a parallel arm resonator (p2) that are connected be...  
WO/2018/043206A1
A frequency variable type LC filter (1A) is provided with: a multilayer substrate; a serial arm capacitor (11) that is formed in the multilayer substrate and is disposed on a serial arm path connecting an input electrode with an output e...  
WO/2018/039486A1
A wireless power receiver (300) is coupled to an impedance matching network (C3A', C3A'', C3B', C3B''), the impedance matching network having a first output node (N3) and a second output node (N4). Coupled to the first output node (N3) i...  
WO/2018/037967A1
The present invention is provided with: a filter (22A) which is connected to a common terminal (110), and which has a first property; a variable filter (22B) which is connected to the common terminal (110), and which is capable of varyin...  
WO/2018/034103A1
Provided is a laminated LC filter in which the Q value of the inductor constituting the LC resonator is high, and insertion loss is improved. One via conductor 5f on a second side E12, and two via conductors 5m, 5n on a fourth side E14, ...  
WO/2018/033746A1
A circuit comprising: a passive reactive component (L1); and an active circuit (320), the active circuit arranged to increase the AC voltage difference across the reactive component by changing the current at an input (A) to the reactive...  
WO/2018/002745A9
The invention relates to a method of automatic adjustment of a single-input-port and single-output-port tunable matching circuit, for instance a single-input-port and single-output- port tunable matching circuit coupled to an antenna of ...  

Matches 251 - 300 out of 25,272