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7609125 |
System, device and method for reducing cross-talk in differential signal conductor pairs
Systems, devices and methods are disclosed herein for reducing crosstalk between pairs of differential signal conductors. One or more ground traces connected to one or more over- or under-lying...
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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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7589469 |
Coaxial waveguide converter circuit for traveling-wave tube, method of manufacturing same, and waveguide matching part for use in coaxial waveguide converter circuit
A coaxial waveguide converter circuit is provided for converting an input/output coaxial section of a traveling-wave tube to a waveguide. The circuit comprises a waveguide matching part for...
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7567154 |
Surface wave transmission system over a single conductor having E-fields terminating along the conductor
A low attenuation surface wave transmission line system for launching surface waves on a bare and unconditioned conductor, such as are found in abundance in the power transmission lines of the...
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7564695 |
Circuit connection structure and printed circuit board
While gradually increasing the widths of signal lines ( 104 a, 104 b, 105 a, 105 b ) of first and second groups of differential signal lines ( 104, 105 ) to suppress attenuation in the lines,...
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7535317 |
Coaxial characteristic-impedance transformer having concentric quarter wavelength lines configured as a power divider
A coaxial characteristic-impedance transformer for dividing RF power on a first terminal onto n second terminals situated in the same radial plane by multi-stage serial transformation via λ/4...
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7518466 |
Methods and apparatus for symmetrical and/or concentric radio frequency matching networks
Apparatus and methods are provided that are adapted to match the impedance of an electrical load to an impedance of an electrical signal generator. The invention includes providing a plurality of...
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7495523 |
Differential transmission line having curved section with reduced line width
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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7486157 |
Package for high frequency waves containing high frequency electronic circuit
In an embodiment of the invention, a package for high frequency waves mounted by a high frequency electronic circuit comprises an hermetic box-shaped high frequency package containing a high...
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7482894 |
Radial power divider/combiner using waveguide impedance transformers
A radial power divider-combiner is disclosed. Such a radial divider-combiner may include a plurality of waveguides, each of which extends between a central monopole antenna and a respective...
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7471168 |
SMA connector
The present invention discloses to an SMA connector, a preferable embodiment of which comprises a body acting as ground, a central conductor existing in the inner part of the ground, an insulator...
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7446627 |
Compact stabilized full-band power amplifier arrangement
High frequency power amplification modules comprise a dielectric substrate supporting a stepped impedance transition coupled to the input of a power amplifier and a symmetrically disposed stepped...
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7446624 |
Transmission line and wiring forming method
To provide a transmission line capable of absorbing the reflection caused by mismatching between impedances and restraining the attenuation value of a signal. The following wiring patterns are...
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7439822 |
Waveguide substrate having two slit-like couplings and high-frequency circuit module
A waveguide substrate has improved signal conversion characteristic to a cavity waveguide at a post wall waveguide less suffering a manufacturing error occurring at a portion leading the signal to...
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7423497 |
Device for coupling suspended stripline and NRD guides
A hybrid microwave-coupling device is for transmitting signals from non-radiative dielectric (NRD) waveguides to suspended striplines (SSL), and vice-versa. The two transmission lines are placed...
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7420436 |
Transmission line to waveguide transition having a widened transmission with a window at the widened end
In one aspect, an embodiment of the invention provides a transition from a planar substrate/chip circuit microwave transmission line to waveguide transmission media on the back of the...
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7417517 |
Method and apparatus for a communications filter
A method and apparatus for a highpass filter structure using transmission line construction which has multiple output tabs for selection of corner frequencies utilizing a plurality of resonators...
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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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7394337 |
Multilayer interconnection board
A multilayer interconnection board ( 10 ) comprises a dielectric substrate ( 11 ), a through-hole ( 15 ), a signal line ( 12 ) having a large width section ( 12 A) and a small width section ( 12 B)...
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7388451 |
Thickness tapered substrate launch
A technique for interconnecting monolithic microwave integrated circuits (MMICS) on a substrate, and a method for fabricating substrate sections that facilitate such interconnection. A MMIC is...
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7388179 |
Microwave radiating applicator with reduced sensitivity to surrounding media
A microwave energy applicator radiating uniformly all around the applicator that maintains high efficiency Voltage Standing Wave Ratio (V.S.W.R.) for surrounding media of dielectric constants...
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7382212 |
Transition between a rectangular waveguide and a microstrip line comprised of a single metallized bar
The transition between a rectangular waveguide and a microstrip line consists of a ribbed rectangular waveguide realised in a foam bar in synthetic material of which the metallized base under the...
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7358830 |
Compact segmented stub
A segmented stub has at least one serpentine signal path that increases the effective electrical length of the stub without increasing the overall physical length or area of the stub. This permits...
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7336141 |
Junction with stepped structures between a microstrip line and a waveguide
An arrangement for a junction between a microstripline and a waveguide is provided. The arrangement includes a microstripline fitted on the upper face of a dielectric substrate, a waveguide fitted...
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7315223 |
Microstrip-to-microstrip RF transition including co-planar waveguide connected by vias
A microstrip-to-microstrip RF transition circuit that employs a wide microstrip line transition to a short co-planar waveguide section. In one embodiment, a first microstrip line and a first ground...
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7315222 |
Matching feed partially inside a waveguide ridge
An impedance matching feed is disclosed for use in a ridge waveguide which allows a coaxial transmission line, generally having an impedance of fifty ohm, to be matched to a ridge waveguide of...
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7295084 |
Electrical interconnection for coaxial line to slab line structure including a bead ring
An interconnection includes a microcircuit package having a slot, and a receiving feature. A bead ring is fitted into the receiving feature. A center conductor extends through a dielectric support...
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7274269 |
Waveguide transmission line converter where the open end of the waveguide has a beveled inner corner
A waveguide-transmission line converter has a waveguide including side walls which have inner corners at an open end of the waveguide. The inner corners are beveled to provide tapered inner...
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7269028 |
Trace-pad interface for improved signal quality
A method of routing or laying out signal traces on printed wire or circuit board in order to improve signal transmission quality. The method includes routing a given signal trace such that it is...
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7253699 |
RF MEMS switch with integrated impedance matching structure
An impedance matching structure for a RF MEMS switch having at least one closeable RF contact in an RF line, the impedance matching structure comprising a protuberance in the RF line immediately...
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7242266 |
Distributed interconnect
A distributed interconnect and a method is provided for interconnecting electrical components which minimizes coupling inductance and increases bandwidth. The interconnect includes a transmission...
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7183873 |
Tapered thickness broadband matching transformer
An impedance matching transformer is disclosed. The transformer includes a conductive ground plane and a dielectric substrate disposed upon the conductive ground plane. The dielectric substrate has...
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7157987 |
Transmission line having a transforming impedance
A transmission line for high-frequency differential signals and having a transforming impedance is formed into a substrate. The transmission line is comprised of a first slot, the opposing surfaces...
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7154355 |
Transmission line with a transforming impedance and solder lands
A transmission line for high-frequency differential signals and having a transforming impedance is formed into a substrate. The transmission line is comprised of a slot, the opposing surfaces of...
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7148765 |
Waveguide/microstrip line converter with multi-layer waveguide shorting portion
The invention provides a dielectric substrate; a ground conductor pattern is formed on one surface of the dielectric substrate and which has a ground conductor pattern omission portion; a strip...
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7145414 |
Transmission line orientation transition
A circuit structure may include first and second transmission lines, each with a center conductor extending along or between one or more spaced-apart conducting surfaces. A conducting surface, such...
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7109821 |
Connections and feeds for broadband antennas
The present invention relates to connecting and impedance matching a balanced electrical signal, such as that received by an antenna, with an unbalanced transmission circuit, such as that delivered...
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7109820 |
Circuit device with a contact element for electrically connecting a wave guide and a conductor strip in a nearly stress-free manner
The circuit device has a contact element, which electrically connects a wave guide (1) with a conductor strip (2). To avoid mechanical stresses due to thermal expansion the contact element is a...
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7106145 |
Signal transmission structure having salients aligned with non-reference regions
A signal transmission structure is provided. The signal transmission structure has salients. The salients are corresponding to the position of the non-reference region and protrude from a lateral...
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7088200 |
Method and structure to control common mode impedance in fan-out regions
A method and structure are provided to control common mode impedance in fan-out regions for printed circuit board applications. A differential pair transmission line includes a narrow signal trace...
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7081648 |
Lossless co-planar wave guide in CMOS process
A structure and method of manufacturing a CMOS device where the Coplanar wave guide (CPW) lines are formed above the top metal lines. Also other insulating layers are provided that reduce the...
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7064627 |
Signal transmission structure having a non-reference region for matching to a conductive ball attached to the signal transmission structure
A signal transmission structure is provided. The structure comprises a reference plane, a bonding pad, a conductive trace and a conductive ball. By changing the shapes of the reference plane and...
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7009471 |
Method and apparatus for launching a surfacewave onto a single conductor transmission line using a slohed flared cone
An apparatus for launching a surfacewave onto a single conductor transmission line provides a launch including a flared, continuously curving cone portion; a coaxial adapter portion; a wire adapter...
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6992544 |
Shielded surface mount coaxial connector
A coaxial connection is electromagnetically shielded at an interface between a surface mountable coaxial connector and a planar circuit operating in the radio frequency (RF) and microwave frequency...
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6987634 |
Write channel having a preamplifier and a non-uniform transmission line
A high-speed transmission circuit includes an inductive head. The high-speed transmission circuit also includes a non-uniform transmission line having a variable characteristic impedance. The...
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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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6985050 |
Waveguide-finline tunable phase shifter
A tunable phase shifter includes a waveguide, a finline substrate positioned within the waveguide, a tunable dielectric layer positioned on the finline substrate, a first conductor positioned on...
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6980063 |
Transmission line parasitic element discontinuity cancellation
A discontinuity, such as a via, in a signal transmission line can introduce a parasitic element that affects the signal transmission. The method in accordance with embodiments of the present...
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6958664 |
Variable permittivity structure based on micro-electromechanical systems (MEMS)
A variable permittivity structure is proposed based on composition of two different dielectrics in a transmission line. The composition is adjusted through a thermally-actuated MEMS structure, and...
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6954118 |
Voltage tunable coplanar phase shifters with a conductive dome structure
A phase shifter includes a substrate, a tunable dielectric film having a dielectric constant between 70 to 600, a tuning range of 20 to 60%, and a loss tangent between 0.008 to 0.03 at K and Ka...
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