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7609130 |
High-frequency module including connection terminals arranged at a small pitch
In a high-frequency module, mounting lands arranged to mount at least one filter device having at least one set of an unbalanced terminal and two balanced terminals are provided at one side of a...
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7605679 |
System and method for providing a non-planar stripline transition
The present invention is a system including a first transmission line oriented in a first plane and a second transmission line oriented in a second plane. Both the first transmission line and the...
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7605674 |
Radio frequency switch
An RF switch is provided. In the RF switch, a slot line is divided into a first slot line and a second slot line and an open-end circuit is provided at each end portion of the first and second slot...
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7592879 |
Integrated circuit with at least one integrated transmission line
An integrated circuit is disclosed that includes at least one integrated transmission line for the transmission of a high-frequency differential signal with a number of at least two...
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7579925 |
Adjusting a characteristic of a conductive via stub in a circuit board
A circuit board construction which reduces unwanted electrical effects and lower signal quality resulting from the use of vias in relatively thick circuit boards or in circuit boards carrying...
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7573358 |
Tunable microwave arrangements
The present invention relates to a tunable microwave arrangement ( 10 ) comprising a microwave/integrated circuit device ( 11 ) and a substrate ( 6 ). It comprises a layered structure disposed...
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7567147 |
Directional coupler
A directional coupler includes a laminate including a ground electrode substrate, a dielectric substrate that includes line electrodes thereon, a lead-out conductor substrate that includes lead-out...
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7565116 |
High frequency module
A high frequency module comprises a layered substrate. Inside the layered substrate, a reception diplexer for processing reception signals and a transmission diplexer for processing transmission...
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7564323 |
Radio frequency switch
An RF switch is provided. In the RF switch, a T-junction slot line has a horizontal slot line and a vertical slot line. An open-end circuit is provided at each end portion of the horizontal and...
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7557680 |
Apparatus for wideband transmission conversion from coplanar waveguide to parallel transmission line
A transmission line conversion apparatus connecting a parallel transmission line to a coplanar waveguide (CPW) is provided. To this end, the CPW including a transmission line composed of a signal...
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7557431 |
Microwave surface mount hermetically sealed package and method of forming the same
A broadband surface mounting package includes a housing having a flat bottom wall forming parallel first and second surfaces. An integral wall forms, with the bottom wall, an enclosure having a top...
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7554829 |
Transmission lines for CMOS integrated circuits
Improved methods and structures are provided for impedance-controlled low-loss lines in CMOS integrated circuits. The present invention offers a reduction in signal delay. Moreover, the present...
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7522022 |
Planar filter, semiconductor device and radio unit
A planar filter has first and second U-shaped open transmission line resonators ( 103, 105 ) and a crank-shaped open transmission line resonator ( 104 ), so that it is possible to decrease an area...
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7522014 |
High frequency line-to-waveguide converter and high frequency package
A high frequency line-waveguide converter comprises a high frequency line including a dielectric layer, a line conductor disposed on an upper surface of the dielectric layer, and a ground conductor...
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7519334 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Multi-mode I/O circuitry supporting low interference signaling schemes for high speed digital interfaces
A multi-mode I/O circuit or cell ( 10 ) is provided for transmitting and receiving data between ICs, where each IC contains at least one of the I/O circuits. Each data link includes transmitter...
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7518473 |
Methods for designing switchable and tunable broadband filters using finite-width conductor-backed coplanar waveguide structures
This invention uses the structures of the finite-sized conductor-backed coplanar waveguides for designing broadband switchable and tunable signal filters. The design methods construct a plurality...
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7515020 |
Electric circuit device
Electric circuit device comprises electric element and two conductive plates. The electric element includes two anode electrodes and two cathode electrodes and has relatively low impedance in a...
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7504913 |
DC block with band-notch characteristic using DGS
A DC block with a band-notch characteristic using a defected ground structure (DGS), includes a pair of coupled lines for being formed parallel to each other on one surface of a dielectric and...
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7504908 |
Electric circuit device and substrate used therefor
The five conductive plates are formed on the principal surface of the stacked five dielectric layers, respectively. The two side anode electrodes are connected to the two conductive plates, while...
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7504904 |
Printed-circuit impedance control using skewed reference mesh
A printed circuit laminate is provided comprising at least one conductor trace for carrying forward electrical signals in a first direction of signal propagation. The printed circuit laminate also...
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7479842 |
Apparatus and methods for constructing and packaging waveguide to planar transmission line transitions for millimeter wave applications
Apparatus and methods are provided for constructing waveguide-to-transmission line transitions that provide broadband, high performance coupling of power at microwave and millimeter wave...
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7477118 |
High frequency device mounting substrate and communications apparatus
Terminal electrodes 9 for carrying a high frequency device 3 are formed on a surface of a circuit board having its reverse surface covered with a reverse surface conductor layer 6 , and a...
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7471174 |
Connection structure for coaxial connector and multilayer substrate
In the structure for connecting a board and a coaxial connector, which electrically connects a high-frequency board 20 mounted in an electroconductive casing 1 and a coaxial connector 10, a...
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7471165 |
High-frequency balun
In a balun for mutually converting an unbalanced line for unbalanced input/output and a balanced line for balanced input/output, the unbalanced line and the balanced line are microstrip lines...
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7468645 |
Signal line circuit device
A signal line circuit device is disposed on top of a mounting substrate. The signal line circuit device comprises a dielectric layer, a signal line formed on one surface of the dielectric layer,...
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7449975 |
Ultra wide bandwidth balun
A balun is a device for coupling together balanced and unbalanced electrical signals. An ultra-wide bandwidth balun can operate in a frequency band of more than 1.5 GHz to 26.5 GHz. The balun can...
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7446633 |
Inductor circuit board, method of forming inductor, and bias-T circuit
An inductor circuit board that is made compatible with broadband by reducing parasitic capacitance of an inductor. The inductor circuit board is comprised of a flexible substrate made of a...
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7439831 |
Transition circuit
A transition circuit includes: a waveguide having a notched portion formed by cutting away a portion of the tube wall of the waveguide from the end portion of the waveguide; a dielectric substrate...
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7432779 |
Transmission line impedance matching
Transmission line impedance matching for matching an impedance discontinuity on a transmission signal trace with one or more non-transmission traces disposed near the transmission signal trace at a...
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7429902 |
Differential transmission line having a curved region with selected radius of curvature
A differential transmission line includes: a substrate; a ground conductor layer; and a first and a second signal conductor disposed in parallel to each other on the substrate. The first signal...
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7411475 |
Superconductor filter
A superconductor filter comprises a plurality of resonance elements arranged between input-output lines formed on a substrate. Metal conductor sections serving to inhibit the spatial coupling...
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7409200 |
Module integration integrated circuits
A first signal conditioning circuit is formed from a first portion, a second portion and a third portion. Signal conditioning functions of each of these portions are facilitated by a predetermined...
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7403080 |
Transmission line apparatus having conductive strips coupled by at least one additional capacitance element
A transmission line apparatus includes: a substrate 101 with a ground conductor plane; and first and second signal strips 102 a , 102 b supported on the substrate 101 in parallel with each...
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7397320 |
Non-uniform transmission line for reducing cross-talk from an aggressor transmission line
A non-uniform transmission line, including at least a first section with length L 1 , uniform width W 1 and thickness h 1 , and a second section with length L 2 , uniform width W 2 and thickness...
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7385459 |
Broadband DC block impedance matching network
An apparatus in one example has: a substrate having a microstrip line; a capacitor at a predetermined location along the microstrip line, the capacitor producing a discontinuity; and a ground plane...
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7385455 |
Monolithic integrated circuit with integrated interference suppression device
The invention discloses a monolithic integrated circuit with at least one signal connection carrying a signal and with an interference suppression device integrated in the circuit to reduce...
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7378919 |
Planar microwave line having microstrip conductors with a directional change region including a gap having periodic foldings
A planar microwave line is provided, having a dielectric substrate and a planar arrangement of a first microstrip conductor and at least one additional microstrip conductor, in which a gap between...
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7375983 |
Circuit board for reducing crosstalk of signals
A circuit board includes a first group of layers located close to a top side of the circuit board, and a second group of layers located close to an underside of the circuit board. Signals which are...
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7375290 |
Printed circuit board via with radio frequency absorber
A printed circuit board with vias that reduce or eliminate radio frequency interference and method of forming the same. The printed circuit board includes non-conductive layers, conductive-layers...
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7355491 |
Interconnecting a port of a microwave circuit package and a microwave component mounted in the microwave circuit package
In one aspect, a signal path is described. The signal path has a nominal impedance over a specified bandwidth and interconnects a port of a microwave circuit package and a microwave component...
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7352260 |
Transceiver using low temperature co-fired ceramic method
Provided is a microwave and millimeter wave transceiver package technology that can unify the transceiver composed of an amplifier, a filter and a mixer into a low temperature co-fired ceramic...
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7336139 |
Flexible interconnect cable with grounded coplanar waveguide
A high speed flexible interconnect cable includes a number of conductive layers and a number of dielectric layers. Conductive signal traces, located on the conductive layers, combine with the...
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7336136 |
High frequency semiconductor integrated circuit device, wireless electric unit and wireless communication system
A transmission oscillator of differential output configuration is incorporated into a high frequency IC. Further, an equivalent impedance having an impedance equivalent to the impedance connected...
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7330084 |
Printed circuit board having a bond wire shield structure for a signal transmission line
A printed circuit board for a high-speed semiconductor package uses bonding wires as a shield structure, e.g., to shield an open portion of signal transmission lines, and thereby reduce the...
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7307498 |
Electrical connector test fixture
A test fixture configured to receive an electrical connector is provided that includes a circuit board having a mounting area configured to be joined to an electrical connector. The circuit board...
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7307497 |
Method for producing a coplanar waveguide system on a substrate, and a component for the transmission of electromagnetic waves fabricated in accordance with such a method
A component for the transmission of electromagnetic waves and a method for producing such a component is provided, whereby conductors of a coplanar waveguide system are embedded in a membrane such...
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7307293 |
Direct-connect integrated circuit signaling system for bypassing intra-substrate printed circuit signal paths
A direct-connect signaling system including a printed circuit board and first and second integrated circuit packages disposed on the printed circuit board. A plurality of electric signal conductors...
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7301418 |
Differential transmission line having curved differential conductors and ground plane slots
A differential transmission line includes: a substrate; a ground conductor layer; and a first and a second signal conductor disposed in parallel to each other on the substrate. The first signal...
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7298234 |
High speed electrical interconnects and method of manufacturing
High-speed interconnect systems for connecting two or more electrical elements are provided. Interconnect system has the means, which could reduce the microwave loss induced due to the dielectrics....
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7292449 |
Virtual ground return for reduction of radiated emissions
A digital apparatus having a cable comprising a plurality of high-speed and low-speed signal carrying conductors, the conductors carrying the low-speed signals are bypassed to a signal ground with...
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