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Balun

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


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Multiple power transmitter for rf receiver or the like
Silicon Laboratories, Inc.
April 05, 2018 - N°20180097531

In one form, a radio frequency (rf) transmitter includes an rf signal source, a balanced/unbalanced transformer (balun), and first and second amplification circuits. The balun has a primary side adapted to be coupled to an antenna, and a secondary side. The first amplification circuit has an input coupled to the rf signal source, and an output coupled to the ...
Quasi-differential rf power amplifier with high level of harmonics rejection
Skyworks Solutions, Inc.
March 29, 2018 - N°20180091114

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 the second port of the phase shifter network, and an output, and a second amplifier has an input ...
Waveguide connector with tapered slot launcher
Intel Corporation
March 29, 2018 - N°20180090848

The systems and methods described herein provide a traveling wave launcher system physically and communicably coupled to a semiconductor package and to a waveguide connector. The traveling wave launcher system includes a slot-line signal converter and a tapered slot launcher. The slot-line signal converter may be formed integral with the semiconductor package and includes a balun structure that converts the ...
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Waveguide connector with slot launcher
March 29, 2018 - N°20180090803

The systems and methods described herein provide a traveling wave launcher system physically and communicably coupled to a semiconductor package and to a waveguide. The traveling wave launcher system includes a slot-line signal converter and a tapered slot launcher. The slot-line signal converter may be formed integral with the semiconductor package and includes a balun structure that converts the microstrip ...
Up-down zigzag additive spiral antenna
Lockheed Martin Corporation
March 22, 2018 - N°20180083350

A spiral antenna apparatus, which may comprise an antenna element disposed in two spiral arms in a vertical zigzag pattern. The apparatus may comprise an electromagnetic band gap cavity comprising: a ground plane, one or more layers of conductive patches, at least one pillar extending between the ground plane and a top layer of the one or more layers, and ...
Pluggable module with coaxial connector interface
Methode Electronics, Inc.
March 15, 2018 - N°20180076588

A pluggable module comprising a housing having a first end and second end, an edge connector disposed at the first end, an f-type coaxial connector at the second end and a release lever including a stamped body that is symmetrical about a centerline bisecting the length of the body. The pluggable module may comprise a miniature balun disposed within the ...
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Switchable transformer-based balun
Analog Devices Global
March 01, 2018 - N°20180062607

A transformer-based balun circuit s disclosed herein. The balun can be implemented using a spiral transformer, where primary and secondary transformer windings can be inductively coupled and can be implemented on the same metal layer (or different metal layers, e. G. Vertically adjacent metal layers). The balun can further include a compensation capacitor and a digital frequency tuning circuit. The ...
Double balanced mixer
Peregrine Semiconductor Corporation
March 01, 2018 - N°20180062576

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 ...
Digital variable capacitance circuit, resonant circuit, amplification circuit, and transmitter
Renesas Electronics Corporation
February 22, 2018 - N°20180054222

A radio frequency integrated circuit includes an amplification circuit for outputting a radio frequency signal to an antenna, a balun including a first terminal, a second terminal, a third terminal, and a fourth terminal, and a variable capacitance circuit including a fifth terminal and a sixth terminal. The first terminal and the second terminal of the balun receive output signals ...
Wilkinson combiner and wilkinson divider
Hitachi Kokusai Electric Inc.
February 22, 2018 - N°20180053984

A wilkinson combiner includes: a plurality of splitting units that splits signals inputted from two ports; an isolating unit that connects one ends of the signals split at the plurality of splitting units to each other; and a combiner that connects other ends of the signals split at the plurality of splitting units to each other and outputs a combined ...
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.
Ablation devices with dual operating frequencies, systems including same, and methods of adjusting ablation volume ...
Covidien Lp
November 16, 2017 - N°20170325871

An ablation device includes a feedline including an inner conductor having a distal end, an outer conductor coaxially disposed around the inner conductor, and a dielectric material disposed therebetween, an elongated electrically-conductive member longitudinally disposed at the distal end of the inner conductor and having a proximal end, a first balun structure disposed over a first portion of the outer ...
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 ...
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