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WO/2015/088413A1 |
A power circuit suitable for combining or splitting broadband signals. The circuit (10, 100) comprises: a stepped impedance section (20), a core section (30) and a first, second and third port (11, 12, 13), said stepped impedance section...
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WO/2015/087821A1 |
This invention provides a filter component that has improved common-mode-noise attenuation characteristics. One end of each of a number of LC series resonant circuits (9a) provided respectively in a number of shunt circuits (8a, 8b, 8c) ...
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WO/2015/087894A1 |
This variable-frequency filter (10) has a series-arm resonant circuit (21) and a parallel-arm resonant circuit (22), each of which contains a piezoelectric resonator, an inductor, and a variable capacitor. The passband (BWpass) of this v...
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WO/2015/087794A1 |
On a first-signal-line side, a first inductance element (L1), a first capacitance element (C1), a second capacitance element (C2), a third inductance element (L3), and a fifth inductance element (L5) form a first resonant circuit (RC1); ...
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WO/2015/083415A1 |
Provided is a filter device that makes it possible to widen bandwidth and yet also has little insertion loss in the passband, has favorable VSWR properties, and is able to suppress rippling in the passband. A filter device (1) in which a...
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WO/2015/078426A1 |
Within the scope of the invention, a gyrator for AC signals has been developed. Said gyrator comprises a Hall effect material, means for passing a magnetic field perpendicular to the plane or surface of said Hall effect material through ...
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WO/2015/078499A1 |
A circuit for calibration measurements comprises a first and a second current sources (202, 203, 502) arranged to provide current outputs; a resistor (204, 504) connected between the first current source (202, 502) and a reference voltag...
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WO/2015/078610A1 |
The present invention relates to an interference suppression filter for a DC motor (2), comprising two inductors (11, 12) each arranged in a supply line (31, 32) and a Cx capacitor (13) arranged between the supply lines (31, 32) as well ...
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WO/2015/080770A1 |
A circuit includes a first finger capacitor (100) having a first bus line (110) coupled to a first plurality of finger elements (120) and a second bus line (105) coupled to a second plurality of finger elements (115). The first bus line ...
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WO/2015/079940A1 |
This front-end circuit (1) contains a variable matching circuit (121), said variable matching circuit (121) being connected to a diplexer (11), and a switch connector (14) connected between an antenna port (Ant) and the diplexer (11). Th...
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WO/2015/076008A1 |
This impedance conversion circuit is provided with: an auto-transformer circuit (25) which is provided with a first inductor (L1) connected between a power supply circuit-side first terminal (P1) and an antenna-side second terminal (P2),...
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WO/2015/073635A1 |
A quasi-differential amplifier with an input port and an output port. The amplifier has a phase shifter network with a first port connected to the input port, a second port, and a third port. A first amplifier has an input connected to t...
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WO/2015/068613A1 |
A first coil conductor (LP1) and a second coil conductor (LP2) are formed on different substrate layers of a laminate comprising a plurality of substrate layers laminated together. Interlayer-connection conductors (V11, V12) form interla...
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WO/2015/066997A1 |
Disclosed are a magnetic integrated device and a power conversion circuit. The magnetic integrated device comprises a first magnetic core base, a second magnetic core base, and a first magnetic core column, a second magnetic core column,...
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WO/2015/068614A1 |
In a planar view in a lamination direction, the areas enclosed by the primary winding (L1) of a first transformer (T1), the secondary winding (L2) of said first transformer (T1), the primary winding (L3) of a second transformer (T2), and...
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WO/2015/064138A1 |
The present invention is provided with: a transformer (T1) in which a primary coil (L1) is connected to a feed port (P1); a phase-shift circuit (21) connected between a secondary coil (L2) of the transformer (T1) and an antenna port (P2)...
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WO/2015/063757A1 |
Frequency independent isolation of duplexed ports in distributed antenna systems (DASs) is disclosed. Instead of providing a duplexer in a DAS that provides frequency dependent separation between downlink and uplink communications signal...
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WO/2015/064133A1 |
Provided is an electronic component that can obtain a sufficient amount of attenuation in a band other than a pass band while effecting a reduction in insertion loss. The electronic component is characterized by being provided with an el...
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WO/2015/062261A1 |
Provided are a circuit for adjusting a pull-up voltage of a bus according to a pull-up voltage of a slave device, and a method therefor.The circuit comprises a bus, a voltage dividing unit, a comparator, a latch and an impedance unit, wh...
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WO/2015/064134A1 |
Provided is an electronic component that can obtain a sufficient amount of attenuation in a band other than a pass band while effecting a reduction in insertion loss. The electronic component is characterized by being provided with an el...
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WO/2015/059765A1 |
Included are: two-stage cascade-connected triple couplers (11, 13); detectors (15 to 18) for detecting RF signals propagated to subsidiary lines (11b, 11c, 13b, 13c) of the triple couplers (11, 13); and matching circuits (19 to 22) the i...
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WO/2015/058901A1 |
The invention relates to a duplexer (1) which comprises an antenna connection (2), a transmission connection (3) and a reception connection (4), a first bandpass filter (9) being arranged between the transmission connection (3) and the a...
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WO/2015/059963A1 |
Disclosed is a composite LC resonator wherein: a first capacitor (Cp), a second capacitor (Cg), a first inductor (L1), and a second inductor (L2) are provided; a first end of the first capacitor (Cp), and a first end of the first inducto...
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WO/2015/059964A1 |
This composite LC resonator is provided with: a ground electrode (G1) that is disposed on the first main surface (S1) side of a laminated body; a first capacitor electrode (Ep), which is disposed further toward the inner layer side than ...
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WO/2015/056473A1 |
This high-frequency circuit module (100) is provided with: a stacked body (110); and a surface-mounted component (120) mounted to a surface of the stacked body (110). Variable capacitance elements (VC11, VC12, VC13) are integrated into t...
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WO/2015/056321A1 |
A noise filter, inserted between the power-supply side and the load side of a main circuit in which noise is to be attenuated, that attenuates noise in the main circuit by means of a filter circuit comprising a coil and a capacitor. A su...
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WO/2015/044002A1 |
The high-frequency line according to the invention has a longitudinal profile (L). According to the invention, the high-frequency line (10) has a succession of a plurality of conductor elements (20) which are DC-isolated from one another...
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WO/2015/044703A1 |
Calibration circuit (10) and a method for calibrating an RC circuit of an integrated circuit (70) for calibrating a high-pass filter (11, 16), wherein the calibration circuit comprises: a filter arrangement (11, 16) comprising at least o...
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WO/2015/048650A1 |
A coupling is provided for coupling non-adjacent resonators of a radio frequency filter. The coupling joins together non-adjacent resonators with a metal strip. The metal strip is physically connected to but electrically isolated from re...
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WO/2015/045793A1 |
This resonant circuit (1) is provided with a resonator (11). An inductor (Lp1) is connected in parallel to the resonator (11). An inductor (Ls1) is connected in series to the parallel circuit of the resonator (11) and the inductor (Lp1)....
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WO/2015/046753A1 |
Provided are an impedance matching device and an impedance matching method. A variable reactance impedance matching network is disposed between a variable frequency RF power source varying a driving frequency (f) and a load. An impedance...
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WO/2015/045451A1 |
The purpose of the present invention is to provide an electronic component which distributes an unbalanced signal and converts the unbalanced signal to a balanced signal and an electronic circuit, the electronic component achieving a red...
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WO/2015/043835A1 |
A HV divider for stepping down an input high voltage (VIN) in HV systems, comprising a primary part (P1) with a first assembly (A1) and a second assembly (A2) included within insulating means (INS) and having for input the same input ter...
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WO/2015/045882A1 |
This variable-frequency filter (10) is provided with a filter unit (20) and a matching circuit (31, 32). The filter unit (20) is provided with a variable-frequency resonant circuit (21, 22) that has a piezoelectric resonator. The matchin...
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WO/2015/040665A1 |
This noise filter is provided with a filter circuit configured from a first capacitor and a second capacitor. The first and second capacitors are connected in parallel by means of first wiring, which connects to each other one terminal o...
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WO/2015/033168A1 |
Waveguide A waveguide for carrying waves by inductive coupling comprises a plurality of resonant5 elements, the plurality of resonant elements including a first resonant element; a second resonant element; and a coupling section capaciti...
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WO/2015/032669A1 |
The invention relates to a method enabling easier impedance matching of radiofrequency circuits, in particular of transmission circuits using a power amplifier connected to a load, which can include an antenna. The method involves produc...
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WO/2015/033632A1 |
Included are: an autotransformer circuit (25) that comprises a first inductor connected between a first port (P1) connected to a feeding unit side and a second port (P2) connected to an antenna side and that also comprises a second induc...
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WO/2015/028181A1 |
The invention relates to a method for optimizing the impedance of a connection element (2) between a first module (E1) and a second module (E2) of a high-frequency device, in particular a field device, wherein the first module (E1) and t...
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WO/2015/029744A1 |
Provided is a transformer device provided between a power source and a load with a resistance value R, wherein, where n is a natural number of at least 4, provided is a two terminal pair circuit configured by mutually connecting n reacta...
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WO/2015/025603A1 |
Provided is a high-frequency module having a small filter circuit that has exceptional attenuation characteristics outside the passband. The phase and amplitude of a high-frequency signal distributed from a connection conductor between f...
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WO/2015/026517A1 |
An integrated Microelectromechanical Systems ("MEMS") device. The MEMS device comprises a substrate, a transition portion (1008), and a differential inductor (1000). The transition portion is connected to and at least partially extends t...
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WO/2015/025579A1 |
Provided is a power conversion device with which the magnetic saturation of a magnetic core of a noise filter can be suppressed, and the size of the noise filter can be reduced. The noise filter (140) provided in this power conversion de...
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WO/2015/026515A1 |
Integrated Microelectromechanical System ("MEMS") devices and methods for making the same. The integrated MEMS device comprises a substrate (200) with first electronic circuitry (206) formed thereon, as well as a MEMS filter device (100)...
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WO/2015/022839A1 |
This power divider (10) has a structure wherein first, second, and third input/output terminals (PO1, PO2, PO3) are connected to a coupling junction (A). Inductors (121, 122) are connected between the second input/output terminal (PO2) a...
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WO/2015/019722A1 |
Provided is a high frequency module which is provided with a small-sized filter circuit that has excellent attenuation characteristics outside the passband. A connection line that connects an SAW resonator (206) and an SAW resonator (207...
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WO/2015/019980A1 |
A filter unit (20) of a high-frequency module (11) is provided with a plurality of SAW resonators (201-208) serially connected to a first serial connection terminal (P21) and a second serial connection terminal (P22), first shunt connect...
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WO/2015/020141A1 |
A method for manufacturing a contactless power-supply device provided with a power supply (114) having a transmission coil (115), and a power receiver (125) having a reception coil (126). This invention is provided with: a step for inter...
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WO/2015/020927A2 |
Techniques for efficiently integrating directional coupler circuitry with other circuit elements of an RF front end. In an aspect, one or more inductors of an RF front end filter is incorporated into a first inductor of the directional c...
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WO/2015/016203A1 |
This invention provides a duplexer that has improved heat-dissipation performance. A surface-acoustic-wave filter has a transmission circuit provided on a first principal surface (20s) of a first piezoelectric substrate (20B) and a recep...
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