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8130165 |
Phase shifter with branched transmission lines having at least one sideways movable dielectric body and antenna array formed therefrom
There is disclosed an electromagnetic transmission line arrangement with a phase shifter, comprising at least one conductive branch line (51a,51b) extending from a junction point (51c) to an...
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8089327 |
Waveguide to plural microstrip transition
A waveguide to microstrip transition having a waveguide open at one end. A dielectric substrate includes a first and a second side and a ground plane covers the first side of the substrate. The...
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8076993 |
Balun circuit and integrated circuit device
A balun circuit comprising first through third CPW lines becoming signal I/O ports, a first differential transmission line for linking the central conductor of the second CPW line and the ground...
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8072288 |
Directional coupler
A directional coupler capable of improving a directionality of a directional coupler body including four terminals. The directional coupler includes a directional coupler body including the four...
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8068796 |
Power divider and dual-output radio transmitter
A power divider includes a substrate, a signal reception terminal formed in a first layer of the substrate for receiving signals, a first output terminal formed in the first layer for outputting...
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8041304 |
Area estimation system, area estimation method and area estimation apparatus
An area estimation apparatus 100 includes: a reception level receiving unit 110 configured to receive, from a plurality of the radio signal capturing terminals 40a and 40b via the network, a radio...
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8031032 |
Microwave combiner/splitter
A power amplifier (power amplifier) having multiple solid state sub-amplifiers connected in parallel between the power amplifier input and the power amplifier output are described. The signal input...
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8013686 |
Miniaturized multilayer hybrid-phase signal splitter circuit
A miniaturized multilayer hybrid-phase signal splitter circuit is proposed, which is fully equivalent in function to a conventional rat-race coupler, but with a specialized circuit layout structure...
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7982556 |
Splitter with a printed element
According to one exemplary embodiment, a three-way splitter includes a printed element and a resistive network comprising discrete resistors. A first printed branch, second printed branch, and...
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7982555 |
Method and system for processing signals via power splitters embedded in an integrated circuit package
Methods and systems for processing signals via power splitters embedded in an integrated circuit package may include generating via a power splitter, one or more RF signals proportional to one or...
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7974103 |
LCD signal transfer members
A signal transfer member for a liquid crystal display (LCD) apparatus includes a power line for receiving power from an external source and for driving a semiconductor chip disposed on the transfer...
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7973617 |
Unequal three-way divider for in-phase signal division
An unequal three-way divider divides an input signal into three in-phase signals whose power ratio is different between a center and both ends. The unequal three-way divider includes an input...
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7920035 |
Microwave power splitter/combiner
A microwave, power splitter/combiner (20) is formed as part of a multilayer laminate (27, 28, 29, 33, 34) such that two ports (22, 23) are connected by plated vias (31, 32) to conductive pads (29,...
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7855623 |
Low loss RF transmission lines having a reference conductor with a recess portion opposite a signal conductor
A transmission structure having high propagation velocity and a low effective dielectric loss. The structure comprises a dielectric, a first reference conductor disposed below the dielectric, a...
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7830225 |
Electric signal splitters
The present invention is an electronic signal continuity device comprising an electrically conductive case having a volume, an input port and at least two output ports. The continuity device...
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7830224 |
Compact Magic-T using microstrip-slotline transitions
The design of a compact low-loss Magic-T is described. The planar Magic-T incorporates a compact microstrip-slotline tee junction and small microstrip-slotline transition area to reduce slotline...
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7808343 |
Radio frequency (RF) signal combiner having inverted coupler
A radio frequency (RF) communication device may include an RF 90-degree hybrid combiner having stable phase and loss characteristics over greater than one octave of bandwidth, while providing a...
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7719385 |
Method and divider for dividing power for array antenna and antenna device using the divider
Disclosed herein are a method and divider for dividing power between and supplying the parts of the power to respective radiation elements of an array antenna, and an antenna device using the...
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7710216 |
Balun circuit and integrated circuit device
A balun circuit includes a first CPW line 11, a second CPW line 12a, and a third CPW line 12b that serve as signal input/output ports; a first CPS line 14a that is a differential transmission line,...
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7696841 |
Power amplifier utilizing quadrature hybrid for power dividing, combining and impedance matching
A power amplifier includes a quadrature hybrid and input impedance matching network. The power amplifier also includes at least one amplifier that includes an output electrode, and a quadrature...
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7671702 |
2D transmission line-based apparatus and method
A power combiner comprising an LC lattice structure is shown, together with a method for generating a planar wave front. The LC structure can comprise constant or voltage dependent capacitors....
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7663455 |
Band-pass filter element and high frequency module
A high frequency module incorporates a layered substrate, a plurality of elements mounted on a top surface of the layered substrate, and a metallic casing that covers these elements. The plurality...
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7663449 |
Divider/combiner with coupled section
A divider may include a stem or first port, and two or more branch ports connected or coupled directly or indirectly to the first port. As mentioned, a divider may include multiple sections. In...
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7626473 |
Signal transmission line for millimeter-wave band
Provided is a signal transmission line for a millimeter-wave band. The signal transmission line includes: a dielectric substrate; an input line formed on the dielectric substrate; a pair of serial...
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7605672 |
Inverted style balun with DC isolated differential ports
The present invention is directed to a balun that includes a first coupler structure having a first port of a balanced port pair and an unbalanced port. A second coupler structure includes a second...
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7579929 |
Transmission circuit, antenna duplexer, and radio-frequency switch circuit
A small-sized, high-performance transmission circuit is provided which avoids degradation in transmission line characteristics caused by coupling, due to a transmission line and a leader electrode...
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7541892 |
Three-way splitter including a printed element
According to one exemplary embodiment, a three-way splitter includes a printed element and a resistive network comprising discrete resistors. A first printed branch, second printed branch, and...
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7528675 |
Microstrip-type BALUN, broadcast receiving apparatus using the same and method of forming thereof
Disclosed are a microstrip-type BALUN (BALance to UNbalance transformer), broadcast receiving apparatus using the same, and a method for forming the same. The BALUN includes a board and a...
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7483606 |
Planar power splitter
The present invention provides a splitter. The splitter includes a substrate and a layer formed on the substrate. The layer is patterned such that a signal applied to at least one input port is...
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7400215 |
Method and apparatus for increasing performance in a waveguide-based spatial power combiner
A power combining array and method of increasing performance in a power combining array includes a waveguide enclosure having a plurality of slotline modules disposed therein. The slotline modules...
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7324060 |
Power divider having unequal power division and antenna array feed network using such unequal power dividers
An RF power divider circuit unequally divides an input signal into first and second signal components of unequal power. The circuit includes a single input port, first and second output ports, and...
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7301422 |
Variable differential phase shifter having a divider wiper arm
A variable differential phase shifter including an isolation element providing good isolation between output ports, good return loss and reduced reflections. In one embodiment a Wilkinson divider...
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7215220 |
Broadband power combining device using antipodal finline structure
A broadband power combining device includes an input port, an input waveguide section, a center waveguide section formed by stacked wedge-shaped trays, an output waveguide section, and an output...
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7205865 |
Power divider and combiner in communication system
Disclosed is a high frequency omni-directional 2-way power divider which includes one input terminal and two output terminals so that a signal inputted through the input terminal is uniformly...
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7200365 |
Composite high frequency component and mobile communication device including the same
The invention provides a composite high frequency component constituting a part of a microwave circuit having plural signal paths corresponding to their respective frequencies, comprising: a...
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7164903 |
Integrated N-way Wilkinson power divider/combiner
An integrated N-way Wilkinson power divider is described. In one embodiment, the N-way Wilkinson power divider uses a conductor layer with a cross-over (or cross-under) resistor insulated from the...
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7151423 |
Demultiplexer and multiplexer
A demultiplexer receives a multiplexed signal, in which a plurality of electrical signals with mutually different frequencies are multiplexed together, and divides the multiplexed signal into the...
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7151421 |
Coupler
The present invention provides a coupler having a high degree of coupling. The coupler comprises first and second dielectric substrates each having first and second surfaces which are parallel to...
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7123884 |
RF switch
A radio frequency (RF) switch which is used in an RF unit of a communication apparatus and which has less of an insertion loss during a transmission. A strip line disposed in the RF switch is...
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7030715 |
High-frequency semiconductor device
There is provided a high-frequency GaAs power FET element with high performance, capable of suppressing an abnormal oscillation. Thin film resistors are provided so as to be connected electrically...
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7026889 |
Adjustable antenna feed network with integrated phase shifter
A device for feeding signals between a common line and two or more ports. The device including a branched network of feedlines coupling the common line with the ports. The feedlines have...
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7023295 |
Transmission line having photonic band gap coplanar waveguide structure and method for fabricating power divider using the same
A photonic band gap coplanar waveguide transmission line and a method for fabricating a power divider using the same capable of increasing a characteristic impedance, increasing a signal line width...
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7015772 |
Tunable amplitude unbalance stripline combiner
A tunable amplitude unbalance stripline combiner for RF signals in which the amplitude unbalance can be adjusted in order to minimize the amplitude unbalance. The combiner has an upper printed...
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7013452 |
Method and apparatus for intra-layer transitions and connector launch in multilayer circuit boards
An apparatus is disclosed that substantially reduces or eliminates the resonance that occurs in vias that connect the layers of a printed circuit board by electrically coupling a first transmission...
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7005726 |
Semiconductor device with an improved transmission line
A semiconductor device with integrated circuits includes superimposed layers provided at different levels on a substrate, and including a metal strip (3) formed in a reference layer and through...
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6980066 |
High-frequency module
It is an object of the present invention to provide a high-frequency module whose production yield as a complete module can be prevented from being lowered. The high-frequency module according to...
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6922116 |
Generating arbitrary passive beam forming networks
Disclosed are systems and methods which apply design criteria to beam forming network parameters to arrive at a passive beam forming network design. Preferably a beam forming network approach is...
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6903625 |
Microstrip RF signal combiner
A microwave signal combiner having a dielectric board with a main line on one surface and a plurality of cascaded input lines on a second, and opposite surface. The second surface includes a ground...
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6861923 |
Power divider/combiner with a multilayer structure
The invention relates to a power management arrangement which comprises, formed as a multilayer structure (100), several insulating layers (130, 132, 134, 136); several conductive layers (124, 126,...
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6847813 |
RF printed circuit board connector with through-hole leads
A radio frequency connector that protrudes through a printed circuit board is comprised of threaded leads. A center conductor is shielded when a shielding connector cap, having a threaded inner...
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