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Matches 101 - 150 out of 5,867

Document Document Title
WO/2014/081983A1
Several novel features pertain to a hybrid transformer formed within a semiconductor die having multiple layers. The hybrid transformer includes a first set of windings (702) positioned on a first layer of the die. The first layer is pos...  
WO/2014/003061A1
[Problem] To provide a sintered ferrite and a ferrite core which are high in resistivity, magnetic permeability, and Curie temperature and a coil component obtained by winding a metal wire on this ferrite core. [Solution] A sintered ferr...  
WO/2013/136936A1
In the present invention, the electrodes of input/output terminals (P1-P4) are formed at the bottom surface of a bottommost layer (0). First linear conductors (L1a-L1n) and second linear conductors (L2a-L2n) are formed at substrate layer...  
WO/2013/108093A1
Embodiments of the invention include transmission line transformers (100). According to one aspect, a multilayer transmission line transformer (TLT, 100) includes a first set of two conductors (18, 20) forming a first clockwise spiral. T...  
WO/2013/099540A1
First annular conductors (L1a, L1b, L1c, L1d) are helically formed from the bottom layer to the top layer, and first annular conductors (L1e, L1f, L1g, L1h) are helically formed from the top layer to the bottom layer. In addition, second...  
WO/2013/064516A1
The invention essentially relates to an EMC filtering device (1), characterized in that said filtering device comprises a printed circuit (5) comprising at least two parallel layers (25, 26) of a high-permittivity material, which are pos...  
WO/2013/065716A1
The purpose of the present invention is, in a common mode choke coil, to reduce loss in normal mode signals and enhance the ability to remove common mode noise in the high-frequency bands. A common mode choke coil is provided with a prim...  
WO/2013/063515A2
A sonar transmitter includes digital logic that controls switches coupled to a primary coil of a transformer. The switches are driven to produce at least one voltage pulse across a secondary coil for the transformer to produce a series o...  
WO/2013/052763A2
An electrical transformer is provided having a toroidal core; a plurality of wraps of a low impedance transmission line the low impedance transmission line including a transmission pair of first and second conductors such that the transf...  
WO/2012/165149A1
This antenna device (101) is provided with an antenna element (11) and an impedance transformation circuit (35) which is connected to the antenna element (11). The impedance transformation circuit (35) is inserted between the antenna ele...  
WO/2012/153692A1
An antenna device (101) comprising a radiating element (11) and an impedance-matching switching circuit (14) connected to a power-supply circuit (30). Said impedance-matching switching circuit (14) matches the impedance of a second high-...  
WO/2012/153691A1
In low band, the absolute value of the impedance of a primary coil (L1) is less than the absolute value of the impedance of a capacitor (C1), so low-band high-frequency signals are propagated through a transformer (T1). Consequently, low...  
WO/2012/153654A1
A front-end circuit (301) provided with a diplexer (101) and an impedance-conversion circuit (201). Said diplexer (101) is provided with the following: a power-supply-side common port (Pin) via which high-band high-frequency signals and ...  
WO/2012/144360A1
The coil turn axis of primary-side coil elements (L11, L12) and that of secondary-side coil elements (L21, L22) are a common coil turn axis (AX). The primary-side coil elements and secondary-side coil elements are arranged such that ther...  
WO/2012/081307A1
[Objective] To provide an electronic component which is of a simple configuration, which can be easily miniaturized, and which is capable of 3-way splitting of high-frequency power. [Solution] A laminate (100) encloses 2 transformers. Th...  
WO/2012/057450A1
The present invention relates to a transmission line transformer, and more particularly, to a transmission line transformer to be utilized in a radio frequency circuit which is formed using a method for manufacturing semiconductors, comp...  
WO/2012/036403A1
Disclosed is a transmission-line transformer in which signal efficiency is maximised. The transmission-line transformer according to the present invention is formed on an integrated circuit, and has a first transmission line which is for...  
WO/2012/005025A1
In a circuit board (20) for transmitting signals, a pulse transformer (12A) is provided in a circuit board (20) path for transmitting signals. A shield member (15) is mounted on the circuit board (20) in order to prevent noise from enter...  
WO/2011/118072A1
Disclosed is a circuit board which has a reduced size. Specifically disclosed is a circuit board (10) in which an electronic component can be installed. A substrate main body (12) comprises multiple insulation layers (14a, 15a, 14b) lami...  
WO/2011/045312A1
The invention proposes a radio frequency circuit which comprises a transformer with a first primary circuit, a second primary circuit, and a secondary circuit, the secondary circuit comprising an integrated first inductor, this first ind...  
WO/2011/039582A2
A cost effective integrated automotive solution for a charger transformer with minimized fringing flux and core grounding for reducing electromagnetic interference (EMI). The method provides an air gap filled with a mixture of an adhesiv...  
WO/2011/032764A1
The invention relates to an integrated circuit for transferring information, having a substrate (1), at least one Hall element (2) integrated in the substrate (1) or arranged on the substrate (1), a first coil (4) which is arranged subst...  
WO/2011/025423A1
The invention discloses an RF ASIC, (100), which comprises first (110) and second (130) plane conductors arranged parallel to each other with an isolating material (120) of a certain thickness (d) between them, and a ground plane (150) a...  
WO/2011/008866A1
A single-core transmission line transformer includes first, second and third transmission lines, and first and second ports. The first and second transmission lines are wound around a common core. The first port interconnects respective ...  
WO/2010/139607A1
There is provided a ferrite core assembly (20) comprising a plurality of ferrite elements (14, 24) and a plurality of spacer elements (22; 32; 36), wherein each spacer element comprises formations for engaging with two ferrite elements (...  
WO/2010/118297A1
An integrated magnetic film enhanced transformer and a method of forming an integrated magnetic film enhanced transformer are disclosed. The integrated magnetic film enhanced transformer includes an transformer metal having a first porti...  
WO/2010/085094A2
The present invention relates to an electrical coil which includes a wire rod, an insulation member, and an installation member made of a plastic material, wherein especially the wire rod composing the electrical coil is composed by bein...  
WO/2009/130139A1
The present invention relates to a power transformer for radiofrequency signals. The transformer is made in a low‑cost multilayer printed circuit card (201) comprising at least successively the following stacked layers: a first conduct...  
WO/2009/124560A1
The invention relates to a communication device (401) comprising a network connection (420). In order to couple data output signals of an interface module (320) to the network connection (420), the interface module (320) is connected to ...  
WO/2009/020025A1
A stacked transformer, an impedance converter, an equal distributor, an impedance conversion method and an equal distribution method free from generation of parasitic inductance or parasitic capacitance in a high frequency band and excel...  
WO/2008/132645A1
Transformers (1) for transforming primary signals into secondary signals comprise primary and secondary parts that comprise boards (11-14, 21-23) with turns. By introducing distances larger than zero between for example any pair of neigh...  
WO/2008/105213A1
Provided are laminated type transformer parts, which are constituted to have no difference between the inductance values of a primary side coil and a secondary side coil so that they exhibit the actions of desired characteristics without...  
WO/2008/072352A1
A pair of windings (2, 3) are formed by winding two insulated wires (L1, L2) simultaneously around a closed magnetic path core (1) forming a closed magnetic path, wherein the opposite ends of two insulated wires (L1, L2) forming the pair...  
WO/2008/056006A1
The invention relates to a method for reducing common-mode current in communication devices that use the power grid as a transmission means, in order to adapt common-mode emission levels to comply with the regulations regarding power gri...  
WO/2008/040179A1
A planar transformer structure, which can be constructed in an integrated semiconductor circuit without using traditional metallic windings. To avoid large thermal expansion of metallic spiral windings and associated mechanical stress on...  
WO/2008/026281A1
An inductive coupling device comprising a first trapezoidal core element having a first recess, for passing a first conductor therethrough, in one of two parallel sides, a second trapezoidal core element having a second recess, opposing ...  
WO/2007/142099A1
A power transmitting apparatus (100) is composed of a power transmitting section (30) and a power receiving section (40). The power transmitting section includes at least a power converting means for converting direct current power into ...  
WO/2007/142862A2
An RF impedance-matching transformer (200) for matching the output impedance of an RF amplifier to the discharge of a gas-discharge laser includes upper and lower dielectric plates (206, 204) arranged face-to-face and bonded together. A ...  
WO/2007/138800A1
Provided is a layered type balloon transformer which can be applied to a line having various impedances. The layered type balloon transformer includes a magnetic substrate (1), a layered body (2), a magnetic substrate (3), and external e...  
WO/2007/004266A1
A signal coupler comprising magnetic cores (7a, 7b) wherein a power line (1) is inserted into an opening (8), a signal line (5) connected with a modem (2) is wound around contour portions (9a, 9b) and gaps (10a, 10b) are provided in a pa...  
WO/2007/004419A1
In a signal coupler comprising magnetic cores (7a, 7b) where a power line (1) is inserted into an opening (8), a signal line (5) connected with a modem (2) is wound around contour portions (9a, 9b) and gaps (10a, 10b) are formed in a par...  
WO/2006/123482A1
A multilayer directional coupler which is excellent in productivity, easy to miniaturize and minutely set the degree of electromagnetic coupling between the transformers, and has a broad specific band width. The multilayer directional co...  
WO/2006/123485A1
A multilayer balun transformer whose balance characteristic is improved and whose parasitic inductance is prevented from occurring. The multilayer balun transformer outputs an unbalance signal as a balance signal by converting the impeda...  
WO/2005/117201A1
A laminated balun transformer including a laminate (10a) having laminated ceramic dielectric layers (11 to 12). The laminate (10a) is provided with an unbalancing signal terminal (P1), a grounding terminal (G1), a balancing signal termin...  
WO/2005/109456A1
The present invention relates to a variable inductor for high frequency and microwave circuit, which comprises a substrate, a fired inductance and signal terminals made of metal micro strip line on the substrate, and which also comprises...  
WO/2005/109455A1
A two-layer conductor in the shape of a coaxial cable is wound around a spectacle-like core (1) by a plurality of turns. A central conductor (2) of the two-layer conductor is utilized as a primary winding while one end of the outer braid...  
WO/2005/048451A1
A communication transformer includes a magnetic core 1, a plurality of transfer-purpose windings 2 and 3 wound on the magnetic core 1, and an additional winding 4 which is wound on the magnetic core 1 in such a manner that the additional...  
WO/2005/010900A1
Techniques for integrating multiple transformers are disclosed. Although they can be used in other areas, the techniques are particularly suitable in integrated circuits that are demanded to be of small in size. Several winding configura...  
WO2004100473A9
A logic signal isolator comprising a transformer having a primary winding and a secondary winding; a transmitter circuit which drives said primary winding in response to a received logic signal, such that in response to a first type of e...  
WO/2004/100194A2
A transformer integrated on a die, the transformer comprising a set of conductive lines (302) formed on the die within one layer and interconnected among each other so that no two lines belonging to any one winding are nearest neighbors....  

Matches 101 - 150 out of 5,867