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Balun

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


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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
Covidien Lp
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 ...
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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
Sumitomo Electric Industries, Ltd.
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 ...
Broad band diversity antenna system
Netgear, Inc.
August 17, 2017 - N°20170237174

A broad band diversity antenna system comprises a system of log periodic antennas (lpa) and dipole antennas. Two lpas form a balanced dipole by feeding the back ends of the lpa. The feed is improved by the addition of a balun to ensure rf balance. Because a dipole only requires narrow bandwidth, a simple balun is constructed from coax cable ...
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 ...
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Complex circuit, circuit device, circuit board, and communication device
Covidien Lp
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. ...
Superluminal antenna
Los Alamos National Secruity, Llc.
May 11, 2017 - N°20170133768

A superluminal antenna element integrates a balun element to better impedance match an input cable or waveguide to a dielectric radiator element, thus preventing stray reflections and consequent undesirable radiation. For example, a dielectric housing material can be used that has a cutout area. A cable can extend into the cutout area. A triangular conductor can function as an impedance ...
Inductive downhole sensor with center tap for common mode rejection
Baker Hughes Incorporated
May 11, 2017 - N°20170131427

Systems, methods, and devices for evaluation of an earth formation intersected by a borehole using a logging tool. Methods include generating an excitation in the formation with an electromagnetic (em) signal from a transmitter assembly at at least one frequency; making em measurements using an em tool on a tool string in the borehole by receiving a signal at at ...
Methods and apparatus for antenna having dual polarized radiating elements with enhanced heat dissipation
Raytheon Company
April 13, 2017 - N°20170104277

Methods and apparatus for a dual polarized thumbtack radiator having enhanced dissipation. In embodiments, a power divider resistor for a balun is coupled directly to ground plane blocks that provide a rf shield. An attachment mechanism, such as a screw secures the thumbtack assembly to an aperture plate and provides thermal and electrical connection.
Step-down coaxial microwave ablation applicators and methods for manufacturing same
Covidien Lp
April 13, 2017 - N°20170100194

Microwave ablation applicators and methods for manufacturing the microwave ablation applicators are disclosed. A microwave ablation applicator includes a feed-line segment, a step-down segment, and a radiator base segment. The feed-line segment includes a first inner conductor, a first dielectric disposed on the first inner conductor, and a first outer conductor disposed on the first dielectric. The step-down segment includes ...
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