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Balun

Balun-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Systems and methods providing an intermodulation distortion sink
Qualcomm Incorporated
February 15, 2018 - N°20180048294

A circuit includes an active balun having an rf signal input and having differential signal outputs, the active balun including a first pair of transistors coupled to the rf signal input, the first pair of transistors including a first transistor of a first type and a second transistor of a second type, wherein the first type and second type are ...
Miniaturized dual-polarized base station antenna
February 01, 2018 - N°20180034165

A dual polarized antenna comprises the radiating arrangement and a feeding element containing two coaxial cables and two supporting conductors forming two perpendicular baluns supporting the radiating arrangement above a ground plate. The radiating arrangement comprises four crossed dipoles feeding by four symmetrical lines from the center of the radiating arrangement. Adjacent conductors of symmetrical lines connected together at the ...
Wireless communication device and power measurement device equipped with the same
Renesas Electronics Corporation
January 11, 2018 - N°20180013457

The present invention provides a wireless communication device that can receive a high frequency signal with a high sensitivity by reducing the noise received from a dc-dc converter, as well as a power measurement device equipped with such a wireless communication device. According to an embodiment, a wireless communication device includes: a switching-type dc-dc converter; a balun configured with a ...
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Gas chromatograph and multiport valve unit for a gas chromatograph
Siemens Aktiengesellschaft
November 30, 2017 - N°20170345542

A fluid-cooled balun transformer that includes a substrate plate with a first and an opposite second face, a first and a second conductive element arranged on the first and the second face, respectively, wherein a first and a second signal port electrically is connected to the first and the second conductive element, respectively, and a cooling module, where the second ...
Baluns for rf signal conversion and impedance matching
Texas Instruments Incorporated
November 23, 2017 - N°20170338791

In described examples of a magnetically coupled structure on a substrate with an integrated circuit device, the structure includes a first coil in a differential configuration, a second coil located above the first coil in a generally stacked configuration, and a center tap connection to a winding of the second coil. The first coil includes a first differential terminal, a ...
Power amplification system with reactance compensation
Skyworks Solutions, Inc.
November 23, 2017 - N°20170338781

Power amplification system is disclosed. A power amplification system can include a class-e push-pull amplifier including a transformer balun. The power amplification can further include a reactance compensation circuit coupled to the transformer balun. In some embodiments, the reactance compensation circuit is configured to reduce variation over frequency of a fundamental load impedance of the power amplification system.
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Low profile wideband planar antenna element with integrated baluns
November 02, 2017 - N°20170317422

An antenna assembly for use in a tile architecture antenna system. The antenna assembly comprises: i) a first substrate layer having a first surface; ii) a first antenna disposed in an x-y plane on the first surface of the first substrate layer; iii) a second substrate layer having a first surface, the second substrate layer displaced in the z-direction with ...
Double balanced mixer
Peregrine Semiconductor Corporation
October 05, 2017 - N°20170288608

A fet based double balanced mixer (dbm) that exhibits good conversion gain and iip3 values and provides improved linearity and wide bandwidth. In one embodiment, a first balun is configured to receive a local oscillator (lo) signal and generate two balanced lo signals that are coupled to two corresponding opposing nodes of a four-node fet ring. A second balun is ...
Circuit
Ampleon Netherlands B.v.
September 28, 2017 - N°20170279430

The disclosure relates to a circuit comprising a balun portion, a balanced side impedance transforming element and an unbalanced side impedance transforming element. The balun portion at least partly transforms the signal between a balanced signal input/output terminal and an unbalanced signal input/output terminal. The impedance transforming elements at least partly alter the impedance presented at the balanced ...
Narrow gauge high strength choked wet tip microwave ablation antenna
Covidien Lp
September 21, 2017 - N°20170265941

An electromagnetic surgical ablation probe having a coaxial feedline and cooling chamber is disclosed. The disclosed probe includes a dipole antenna arrangement having a radiating section, a distal tip coupled to a distal end of the radiating section, and a ring-like balun short, or choke, which may control a radiation pattern of the probe. A conductive tube disposed coaxially around ...
Apparatus for and method of programmble matching network for multiple signal types
Samsung Electronics Co., Ltd.
September 14, 2017 - N°20170264242

An apparatus and method are provided. The apparatus includes a multiplexer, including first, second, and third inputs, and an output; a first transistor, including a gate connected to the first multiplexer, and first and second terminals; a first variable capacitor, including a first terminal connected to the first transistor, a second terminal, and an input; a first inductor, including a ...
Marchand balun
Sumitomo Electric Industries, Ltd.
August 31, 2017 - N°20170250668

A marchand balun with a reduced plane size is disclosed. The marchand balun provides two coupling units each having two transmission lines coupled to each other and having a length of λ/8, where λ is a characteristic wavelength of a signal subject to the marchand balun. The marchand balun further provides an additional unit, where two coupling unit ...
Miniaturized dual-polarized base station antenna
August 31, 2017 - N°20170250462

The present invention discloses a miniaturized dual-polarized base station antenna, comprising a radiation device and a feeding unit. The feeding unit comprises two coaxial cables and two vertical baluns consisting of two conductors, and the radiation device is supported on a reflecting plate. The radiation device consists of four crossed oscillators and four groups of symmetric striplines, and the four ...
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Antenna structure for distributed antenna system
Commscope Technologies Llc
July 20, 2017 - N°20170207538

One embodiment discloses an antenna structure. An antenna structure comprises: a transmit antenna element comprising a plurality of transmit antenna sub-elements; a receive antenna element comprising a plurality of receive antenna sub-elements, wherein the transmit antenna element and the receive antenna element are orthogonally-polarized with respect to each other; a ground plane defining a reflector for the antenna structure; at ...
Conformable antenna
Galtronics Corporation Ltd.
July 13, 2017 - N°20170201027

A polymorphic antenna, including a metallic template configurable in at least first and second possible different three-dimensional shapes, the antenna, when configured in the at least first and second different three-dimensional shapes, having a common antenna feed point, a common balun coupled to the common antenna feed point; and a common dipole coupled to the common antenna feed point and ...
Body worn antenna
Check-cap Ltd.
July 13, 2017 - N°20170196480

A wearable antenna for communicating between an external transceiver and a capsule inside the gastrointestinal tract of a user, including a printed circuit board for forming a conducting pattern on a first face and on a second face of the printed circuit board; a first conducting pattern on the first face of the printed circuit board, including: a) an almost ...
Electrosurgical devices with balun structure for air exposure of antenna radiating section and method of ...
Covidien Lp
June 22, 2017 - N°20170172656

An energy applicator for directing energy to tissue includes a feedline having an inner conductor, an outer conductor and a dielectric material disposed therebetween, and an antenna assembly having a radiating section operably coupled to the feedline. The energy applicator also includes a first balun structure configured to substantially confine energy to the radiating section when the energy applicator is ...
Complex circuit, circuit device, circuit board, and communication device
June 15, 2017 - N°20170170800

Solution: a complex circuit includes a first diplexer that passes through the normal-phase signals of balanced signals and a second diplexer that passes through the reverse-phase signals of the balanced signals. A balun includes a low frequency band first balun element and a high frequency band second balun element. The first balun element and the second balun element respectively include ...
Printed circuit integrated broadband directional bridge
Vayyar Imaging Ltd.
June 08, 2017 - N°20170162926

There are provided methods and devices for realizing a broadband directional bridge, and a network analyzer test set based on the directional bridge structure. In some embodiments the directional bridge comprises a resistive bridge and a balun. The balun further comprises a transmission line which is surrounded by ferrite material and is implemented on a main printed circuit board (pcb).
Double-balanced field-effect transistor mixer with direct single-ended intermediate frequency outputs
Linear Technology Corporation
May 18, 2017 - N°20170141730

A double-balanced fet mixer may include: single-ended rf port that receives or delivers single-ended rf signal; rf balun that converts the received single-ended rf signal into differential rf signal or generates delivered single-ended rf signal from received differential rf signal; local oscillator input port receives local oscillator signal; direct if port receives or delivers an if signal; and at least ...
Balanced antenna system
Smart Antenna Technologies Ltd
May 18, 2017 - N°20170141468

The invention relates to a balanced antenna system comprising a radiator connected via a matching circuit to a balun. In certain embodiments, the radiator comprises a first radiating element and a second radiating element and the matching circuit comprises a first impedance-matching circuit connected to the first radiating element and a second impedance-matching circuit connected to the second radiating element. ...
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