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7554420 |
High-frequency element
An element includes a member to be soldered, a first member having a firs path for receiving the member, and a second member having a second path for receiving the member. The second member is made...
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7535321 |
Method and apparatus for a printed circuit board (PCB) embedded filter
A printed circuit board (PCB) embedded filter is utilized to provide a low-pass filter characteristic using minimal lumped circuit elements. Microstrips extend on top layer of the PCB to conductive...
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7515014 |
Method for determining cable termination resistances in communication networks and a corresponding communication network
The invention relates in general to a method for determining cable termination resistances in communication networks and a corresponding communication network, and is applicable especially to...
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7508062 |
Package configuration and manufacturing method enabling the addition of decoupling capacitors to standard package designs
The present invention is directed to a method of fabricating an integrated circuit package having decoupling capacitors using a package design conceived for use without decoupling capacitors. The...
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7501910 |
Signal transmission circuit, IC package, and mounting board
Provided is a signal transmission circuit capable of realizing the same effects as those in a conventional manner that employs a complicated circuit by using no complicated circuit, that is, by a...
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7378920 |
Methods and apparatus for a high-frequency output match circuit
An output match circuit is coupled between the terminal of a high-frequency device and a ground terminal. The output match circuit includes an LC shunt and an LC notch serially coupled to the LC...
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7295087 |
Signal transmission circuit
A signal transmission circuit having a characteristic impedance includes a common mode filter, a first capacitive element, a first connection line, a second capacitive element and a second...
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7292124 |
Variable resonator and variable phase shifter
A variable resonator is provided which comprises signal conductor 13 formed on top side surface of dielectric substrate 12 , ground conductor layer 11 formed on back side surface thereof and...
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7283014 |
High power absorbing waveguide termination for a microwave transmission line
A high power absorbing waveguide termination for a microwave transmission line has a power receiving end with a waveguide input port, an oversize waveguide section, and a transforming waveguide...
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7224239 |
Structural element having a coplanar line
Novel concepts are proposed for line terminations of coplanar lines that are as anechoic as possible, having a neutral wire and two outer conductors that are situated at least from section to...
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7212079 |
Attenuation or termination element having a coaxial structure for radio frequency electromagnetic waves
The invention relates to an attenuation or termination element comprising at least one resistance part which is mounted in an outer conductor and has at least one connection to an inner conductor...
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7173502 |
Reflection loss suppression circuit
An object is to suppress a reflection loss in any desired frequency band outside a required band, without affecting circuit characteristics in the required frequency band. The output impedance of a...
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7161377 |
Bus type connection system in particular for backplanes
The invention relates to bus type connection systems, in particular those for wiring backplanes of electronic systems, when the bus comprises connectors distributed in an irregular manner. It...
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7129804 |
Reflection loss suppression circuit
An object is to suppress a reflection loss in any desired frequency band outside a required band, without affecting circuit characteristics in the required frequency band. The output impedance of a...
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7116184 |
Method of terminating bus, bus termination resistor, and wiring substrate having terminated buses and method of its manufacture
A terminal resistor is provided at the end of a bus formed on a wiring substrate. An insulator having a large dielectric loss angle is provided in the vicinity of the terminal resistor to absorb...
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7064625 |
Transmission line structures
A composite waveguide termination structure including two different waveguide conductor geometries operatively located upon a common substrate, wherein each such waveguide geometry includes a...
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7042305 |
Transmission line termination
A termination for absorbing electromagnetic energy provided by a transmission line and for transferring any resulting heat to a heat sink. The termination comprises a housing in communication with...
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7038556 |
Waveguide type signal terminator and signal attenuator
Disclosed are a waveguide type signal attenuator for attenuating an input signal as desired and a waveguide type signal terminator for making an input signal be utterly disappeared, where a...
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7002429 |
Nonreflective waveguide terminator and waveguide circuit
A nonreflective waveguide terminator includes a waveguide portion and an electromagnetic wave absorber. The portion has a rectangular opening in a plane perpendicular to a radio-wave propagation...
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6995629 |
Center-tap termination circuit and printed circuit board having the same
A center-tap termination circuit which includes two resistors having the same resistance, which are serially connected between forward and return transmission lines, where the forward and return...
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6987434 |
Non-radiative dielectric waveguide modulator having waveguide type hybrid coupler
A non-radiative dielectric (NRD) waveguide modulator is provided having a waveguide type hybrid coupler, in which by forming a waveguide type 180° hybrid coupler and waveguide as a single body,...
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6985056 |
High-frequency circuit and high-frequency package
A high-frequency circuit formed on a surface of a dielectric substrate includes: a signal strip formed on a first face of the dielectric substrate for transmitting a signal therethrough; a pair of...
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6982610 |
Termination impedance tuning circuit
An impedance adjustment system comprising current source, a first series and a second series connected string of predetermined number of resistors, a first and second switch network, a first,...
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6970054 |
Apparatus for terminating transmission lines to reduce electromagnetic interference in an electronic system
An apparatus for terminating a transmission line includes a terminating circuit coupled to a first connector portion. A second connector portion mates with the first connector portion. The second...
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6956446 |
Nonreciprocal device having heat transmission arrangement
An isolator with resistive termination and carbon steel housing wherein required magnetic performance is combined with improved efficiency of transmission of heat from termination to the heat sink....
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6942522 |
Termination device
The termination device to connect with the other piece of a coaxial connector in the coaxial connector, which comprises a first component comprised of a terminal to electrically connect with the...
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6927574 |
Magnetic resonance apparatus including an rf magnetic flux guiding structure for improving the signal-to-noise ratio
A pad which has a magnetic permeability greater than that of free space at the frequency of nuclear magnetic resonance but which is non-magnetic in steady magnetic fields is disposed between an RF...
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6903621 |
In-line attenuator
An attenuator includes a substrate having first and second surfaces and a plurality of discrete circuit elements. The first surface includes a first electrically conductive pattern providing...
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6870449 |
High-frequency transmission line
In a high-frequency transmission line that is used in a high-frequency band such as the microwave band or the millimeter wave band, at least one resistive film is disposed in a plane that is...
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6864761 |
Distributed capacitive/resistive electronic device
A distributed capacitive/resistive electronic device. An electronic device is described which includes a dielectric substrate, a first resistive component, a second resistive component, and a...
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6856209 |
EMI suppression method for powertrain control modules
An electronic module configured to suppress electromagnetic radiation is disclosed. The electronic module has a plurality of electronic components disposed therein. The module includes a module...
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6822526 |
Voltage plane with high impedance link
According to some embodiments, a voltage plane with a high impedance link is provided. For example, the high impedance link might be a meandered conducting neck between a first low impedance...
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6768393 |
Circuit and method for calibrating resistors for active termination resistance, and memory chip having the circuit
A circuit and method for calibrating an active termination resistor irrespective of changes in process, voltage, or temperature is provided. The method includes the steps of (a) calibrating a first...
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6759919 |
Low intermodulation film microwave termination
A film microwave termination device includes a substrate, such as a ceramic substrate, and multiple film resistors formed on the substrate. The film resistors each have a predetermined resistivity...
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6727774 |
BYPASS CAPACITOR METHODS FOR ACHIEVING A DESIRED VALUE OF ELECTRICAL IMPEDANCE BETWEEN PARALLEL PLANAR CONDUCTORS OF AN ELECTRICAL POWER DISTRIBUTION STRUCTURE, AND ASSOCIATED ELECTRICAL POWER DISTRIBUTION STRUCTURES
Several methods are presented for achieving a desired value of electrical impedance between parallel planar conductors of an electrical power distribution structure by electrically coupling...
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6679728 |
Mini BNC connector
A mini BNC connector, which provides a better signal transmission quality and can be fabricated conveniently, includes a metal outer casing with two locating cylinders and a joining chamber...
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6677829 |
Balanced transmission termination device and receiver unit composed thereof
Impedance values of a common mode choke coil, an impedance element disposed anterior to the common mode choke coil and an impedance element disposed posterior to the common mode choke coil are...
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6657514 |
Dielectric transmission line attenuator, dielectric transmission line terminator, and wireless communication device
A dielectric transmission line attenuator or terminator, which is used with a dielectric transmission line provided with two conductive plates substantially parallel to each other and a dielectric...
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6621369 |
Method and system for determining transmission path delay
The invention relates to transmission path delay determination between a first and a second electronic circuit coupled to each other by a transmission path. A determination method includes, among...
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6600384 |
Impedance-compensating circuit
A via termination for a microstrip transmission line formed on a substrate includes a termination resistor that connects an end of the signal conductor to a backside ground plane through a via. Two...
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6593829 |
Microstrip dot termination usable with optical modulators
A dot termination comprising a disk of thin film resistive material connects a transmission line on a substrate to a DC ground plane in a manner to provide broadband high frequency performance. The...
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6566974 |
CONNECTION STRUCTURE FOR NOISE REDUCTION IMPEDANCE ELEMENT, NOISE REDUCTION IMPEDANCE ELEMENT POSITIONING METHOD, AND RECORDING MEDIUM HAVING NOISE REDUCTION IMPEDANCE ELEMENT POSITIONING PROGRAM RECORDED THEREIN
A noise reduction impedance element connection structure includes first and second noise-reduction impedance elements which are electrically connected to a transmission path. A noise frequency that...
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6559733 |
Reducing effects of electrical impedance
The present invention, in various embodiments, provides techniques for reducing effects of electrical impedance. In one embodiment, the impedance is in the form of inductance and arises from vias...
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6549088 |
Frequency adjustable multipole resonant waveguide load structure
A resonant waveguide load structure is provided for use in waveguide systems. The load structure includes a length of waveguide which is open at one end and closed at the other end. The load...
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6542099 |
Digital to analog interface with equalized total signal delay and method of making it
A method of equalizing total signal delay across a digital to analog interface includes constructing a plurality of unit digital to analog converter cells each having a clock input and a data input...
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6525631 |
System and method for improved microstrip termination
A microstrip termination is provided with a thin film resistor connecting a transmission line to a tapered edge ground, enabling high frequency performance, such as for optical modulators. The...
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6498540 |
Broadband millimeter wave microstrip balun
Wideband balun suitable for millimeter wave applications. An input stripline couples energy equally into branches of a slotline. Output striplines are coupled to the branches of the slotline to...
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6492880 |
Common mode termination
A common mode termination includes a shielded connector, a receive section and a transmit section, each section comprising an isolation transformer, a common mode transformer, a reference...
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6486746 |
Termination circuit for decoupling unused wires on a network device's unshielded twisted pair (UTP) cable
A termination circuit for unused wires in an unshielded twisted pair (UTP) cable in a local area network (LAN) device. In an eight wire UTP cable, four wires may be unused. The four unused wires...
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6486696 |
Termination structure for high speed, high pin density chips
An apparatus including first and second devices, at least one connection between an input of the second device and an output of the first device, and at least one resistor in series between the...
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