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8183468 |
Electromagnetic bandgap structure, printed circuit board comprising this and method thereof
An electromagnetic bandgap structure and a printed circuit board including it as well as a method of manufacturing thereof that can solve a mixed signal problem between an analog circuit and a...
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8174335 |
Process for reduction of the common mode current for power line communications equipment
A process for reducing common-mode current in a power-line communication equipment, where a power-line network is used as a communication medium, includes applying a signal transmitted by the...
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8164006 |
Electromagnetic bandgap structure and printed circuit board
According to an embodiment of the present invention, an electromagnetic bandgap structure can include: at least three conductive plates; a first stitching via, configured to electrically connect...
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8164358 |
Transceiver for single ended communication with low EMI
A cable driver (301) for driving a single ended transmission medium such as a coaxial cable (115) comprising a core (120) and a shield (121) comprises a differential driver (104, 377) comprising a...
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8159311 |
High frequency package and manufacturing method thereof
A high frequency package in which the resonance frequency of a metal seal ring is high, a reflection loss and a insertion loss of an input terminal and an output terminal are reduced in working...
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8153907 |
Electromagnetic bandgap structure and printed circuit board
An electromagnetic bandgap structure and a printed circuit board that solve a mixed signal problem are disclosed. In accordance with embodiments of the present invention, the electromagnetic...
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8155616 |
Reduction of near field electro-magnetic scattering using high impedance metallization terminations
The present invention uses metallization termination techniques to reduce the electro-magnetic field scattering at the edges of metallized areas. The metallization termination techniques provide a...
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8150266 |
Method and apparatus for performing butterfly differential signaling
One embodiment of the present invention provides a system that performs differential signaling through parallel ports in a manner that reduces noise caused by coupling between neighboring ports....
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8134423 |
Noise filter and noise-filter-incorporated amplifier circuit
A ladder LPF includes a first capacitor formed of a transistor in which two terminals out of three are diode-connected, and a second capacitor formed by connecting a pn junction capacitor and an...
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8130052 |
Semiconductor circuit board and semiconductor circuit
The present invention is intended to efficiently implement noise countermeasures for a semiconductor circuit board and for a semiconductor circuit. The present invention is constituted by a control...
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8125290 |
Apparatus for silencing electromagnetic noise
Proposed is an apparatus for silencing electromagnetic noise, characterized by a plurality of centrally symmetrical ring-shaped through-via-hole crystalline units provided between a high voltage...
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8125291 |
Electromagnetic interference noise separator
Improved performance of a noise separator circuit capable of separating common mode (CM) and differential mode (DM) components of electromagnetic interference (EMI) noise are provided by...
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8102219 |
Electromagnetic bandgap structure and printed circuit board
An electromagnetic bandgap structure is disclosed. In accordance with an embodiment of the present invention, the electromagnetic bandgap structure can include a dielectric layer, a plurality of...
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8098115 |
Noise eliminating wire harness
There is provided a noise eliminating wire harness capable of enhancing a noise elimination performance. In the wire harness 31, an intermediate portion of a sheath 34 of a wire 33 is removed to...
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8089006 |
High performance resonant element
A circuit includes an input signal line, a high performance resonant element connected to the input signal line, and an output signal line connected to the high performance resonant element. The...
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8081051 |
EMI suppressor having bandpass filtering function
An electromagnetic interference (EMI) suppressor having a bandpass filtering function is provided. The EMI suppressor is disposed on a substrate, and includes a signal line, a ground line, an...
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8076989 |
Differential waveguide system connected to front and rear network elements
A waveguide system comprises a differential waveguide with at least one first and one second signal conductor, which are coupled to one another within the waveguide, and a divider network with...
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8076990 |
Communications medium connector with integrated common-mode noise suppression
According to one exemplary embodiment, a connector for coupling a communications medium to an electronic device includes a common-mode suppression block coupled to a number of connector pins. The...
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8063649 |
Broadband high impedance pickoff circuit
A measuring system minimizes the parasitic affects of lumped circuit elements. The system includes two or more in-situ interfaces configured to conductively link a source to an internal load and an...
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8058879 |
Voltage indicating coupling for metal conduit systems
A voltage indicating coupling for metal conduit systems to indicate the presence or absence of voltage on a wire enclosed by a section of electrical conduit for a grounded AC power distribution...
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8058557 |
Printed circuit board
An exemplary PCB includes a first reference layer, a first signal layer, a second signal layer, and a third signal layer in that order, a first differential pair is arranged in the first signal...
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8049573 |
Bidirectional multiplexed RF isolator
An isolator provides bidirectional data transfer for a plurality of communications channels. First and second dies are located on first and second sides of a voltage isolation barrier and have a...
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8040201 |
Substrate having a structure for suppressing noise generated in a power plane and/or a ground plane, and an electronic system including the same
A substrate includes a power plane and a ground plane that are placed apart from and are substantially parallel to each other, and at least one signal line that is placed between the power plane...
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8027391 |
Differential transmission line connector
A differential transmission line connector with little unwanted radiation noise is provided. A connector connects a differential transmission pattern for multiple transmission of a group of three...
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8013684 |
Radio frequency noise and interference suppression in an integrated circuit
In an integrated circuit having a number of circuit units on a single semiconductor chip, particularly in a system-on-chip integrated circuit including an integrated transceiver, interference...
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8004369 |
Arrangement structure of electromagnetic band-gap for suppressing noise and improving signal integrity
An electromagnetic-wave suppression structure in a multilayer PCB or package structure is supplied with a power to be used therein by a power distribution network including a power plane and a...
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7994871 |
Chip on film trace routing method for electrical magnetic interference reduction
A chip on film (COF) trace routing method for EMI reduction includes: providing a flexible circuit board; mounting a chip that has a first signal pad, a second signal pad and a ground pad on the...
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7990228 |
Semiconductor device and wiring part thereof
A technique capable of achieving both improvement of mounting density and noise reduction for a semiconductor device is provided. An LSI mounted on a printed wiring board comprises a grounding BGA...
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7978019 |
Configuration having an RF component and a method for compensation of linking inductance
In a configuration with at least one RF component disposed in a signal path and including a ground connection to an external circuit environment, a coupling element is provided which...
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7969256 |
Signal transmission circuit and signal transmission system with reduced reflection
A signal transmission circuit includes a transmitting circuit for outputting a transmitting signal to a transmission line, a parallel circuit including a capacitor and a first resistance connected...
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7961062 |
Aggressor/victim transmission line pair having spaced time delay modules for providing cross-talk reduction
A pair of signal transmission lines includes an aggressor line and a victim line parallel to the aggressor line. A plurality of time delay modules is linked in the aggressor line. A plurality of...
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7961827 |
Signal processing arrangement comprising a filter
A signal processing arrangement (REC) comprises a filter (PPF) with variable filter elements (FE). A switching circuit (SWCT) switches a filter element (FE1) and, subsequently, another filter...
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7956493 |
Integrated circuit and method for manufacturing an integrated circuit
One or more embodiments of the invention relate to an integrated circuit including a first power supply domain and at least a second power supply domain. Furthermore, the integrated circuit...
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7952447 |
Adaptive EMI reduction technique for wireline PHYS in multi-port applications
An adaptive electromagnetic interference (EMI) detection and reduction device for multi-port applications is provided. The invention includes at least two physical devices (PHY), where the PHYs...
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7944320 |
Electromagnetic bandgap structure and printed circuit board including multi-via
An electromagnetic bandgap structure and a printed circuit board that intercepts to transfer a signal having a predetermined frequency band are disclosed. In particularly, the electromagnetic...
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7936232 |
Substrate for semiconductor package
A substrate for a semiconductor package includes a dielectric substrate, a circuit pattern formed on a first surface of the dielectric substrate, and an electromagnetic band gap (EGB) pattern. The...
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7924111 |
Method and device for transferring single-ended signal with interference-resistance
The invention provides a method of transferring single ended signal with interference-resistance. The transmission of the single ended signal includes an input device and an output device. The...
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7911290 |
Transmission line system for a digital signal having a transfer bus shielded from disturbances by at least one conductive line
A transmission system for a digital signal includes a transmitter and a receiver connected thereto by a transfer bus. The transmission system includes at least one conductive line capacitively...
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7911289 |
Filter with magnetic layer and manufacturing method thereof
A filter includes a first magnetic layer, a second magnetic layer, an insulating layer, a plurality of coils, a first non-magnetic layer and a second non-magnetic layer. The insulating layer is...
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7907924 |
Semiconductor device interconnecting unit, semiconductor device and high-frequency module having a millimeter wave band
A semiconductor device interconnecting unit configured to input/output a high-frequency signal having a millimeter wave band to/from a semiconductor device is provided. The semiconductor or device...
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7902938 |
Data transmitter, data transmission line, and data transmission method
A data transmitter uses a transmission line including a ground conductor (305), a signal conductor (201), and an insulating material (3) which insulates them from each other. The insulating...
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7900066 |
Electronic device
An electronic device comprising: a wiring substrate having a first power-supply wiring to which a first power-supply potential is applied and a second power-supply wiring to which a second...
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7889021 |
Reception of wideband signals with high temperature superconducting components to reduce co-site interference
A comb limiter combiner for front end filtering reduces bit error rates with an increased reception range. Notch filters are tuned to suppress interfering frequency-hopped signals. An output comb...
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7889020 |
Asymmetrical filter
Disclosed is methodology and apparatus for producing an asymmetrical filter for use with implantable medical devices, and in other input filtering environments. Differing forward and reverse...
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7884687 |
Magnetic interface circuit
A magnetic interface circuit (100) includes a pair of channels (101, 102) and an absorb network (3). Each channel includes a 3-wire common mode choke (2) having a middle tap (21), and an isolation...
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7863995 |
Methods of achieving linear capacitance in symmetrical and asymmetrical EMI filters with TVS
A transient voltage suppressing (TVS) circuit with uni-directional blocking and symmetric bi-directional blocking capabilities integrated with an electromagnetic interference (EMI) filter supported...
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7842883 |
Power line arrangement
A power line arrangement includes a first power line and a second power line which crosses the first power line at least once. The first and second power lines are connected to a same power supply,...
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7839161 |
Low-jitter high-frequency clock channel
According to one general aspect, an apparatus may include a clock channel, a shielding tunnel, and clock repeaters. In various embodiments, the clock channel may be configured to carry the clock...
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7830152 |
System and method for enhanced accuracy in cable diagnostics of cable length
A system and method for enhanced accuracy in cable diagnostics of cable length. Conventional cable diagnostics such as time domain reflectometry can be used to determine cable length. This...
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7812693 |
Lowpass-bandstop common mode filter for differential lines carrying high rate digital signals
The present invention provides a novel structure that can be used to make a common mode filter. Only the common mode will be attenuated and the differential mode will not be attenuated. This...
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