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7619490 Semiconductor device and adjusting method for semiconductor device  
An object of the invention is to provide a semiconductor device and an adjusting method for a semiconductor device wherein power source noises and noises radiated as radio waves can be reduced and...
7619489 Semiconductor integrated circuit  
A semiconductor device comprising a signal transmission line of a microstrip structure, capable of increasing the characteristic impedance of the signal transmission line and reducing coupling...
7616058 Radio frequency power combining  
Systems and methods for combining RF signals are disclosed. An input signal can be divided into equal parts going around a ring clockwise and counterclockwise. In one embodiment, the RF amplifiers...
7605673 Transformer for impedance-matching power output of RF amplifier to gas-laser discharge  
An RF impedance-matching transformer for matching the output impedance of an RF amplifier to the discharge of a gas-discharge laser includes upper and lower dielectric plates arranged face-to-face...
7594105 Multilayer print circuit board  
This invention effectively prevents potential fluctuation in the power supply terminal of a semiconductor device, that is, noise from flowing out to a main power supply wiring. A multilayer print...
7583168 Resonator  
An object of the present invention is to provide a resonator capable of constituting a variable filter which has a small size, high mass productivity, low loss and high reproducibility of...
7583160 Broadband transmission line transformer  
A broadband transmission line impedance transformer performs impedance transformation with improved frequency response and efficiency across a wide operational bandwidth. In particular, the...
7583159 High power bipolar pulse generators with impedance transformation  
A bipolar pulse generator circuit generates bipolar pulses and provides an impedance transformation. The circuit is amenable for implementation in a variety of configurations depending on the size...
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...
7576629 Semiconductor device having signal line and reference potential planes separated by a vertical gap  
A semiconductor device according to the one embodiment of the present invention comprises a signal line; and a reference potential plane which is separated from the signal line and opposed to the...
7566952 On-chip circuit pad structure  
Shielded circuit pad is provided where the parasitic capacitance is tuned out by the inclusion of a shunt transmission line stub which reduces the substrate induced loss in millimeter-wave...
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,...
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...
7557679 Sealed microwave feedthrough  
A feedthrough for feeding a microwave signal through a wall of a casing comprises a signal waveguide having at least two portions having different cross-sections. The portion having the smaller...
7554418 Waveguide/strip line converter having a multilayer substrate with short-circuiting patterns therein defining a waveguide passage of varying cross-sectional area  
A waveguide/strip line converter includes a waveguide and a multilayer substrate. A second end of the multilayer substrate is fixed to an opening of the waveguide. The multilayer substrate includes...
7548143 Microwave module having converter for improving transmission characteristics  
Provided is a microwave module having a converter for improving transmission characteristics in a millimeter-wave band. When a microstrip transmission line and a conductor-backed coplanar waveguide...
7548134 Transmission line transformer  
A transmission line transformer is disclosed. The transformer improves efficiency and a dynamic range of a power amplifier. The transformer is formed to have a plurality of load impedances as the...
7545243 Galvanic isolation mechanism for a planar circuit  
A mechanism for coupling a coaxial cable ( 108 ) to a planar circuit to provide galvanic isolation between the coaxial cable and the planar circuit while providing low transmission loss and...
7541888 Dual band coupled-line balanced-to-unbalanced bandpass filter  
A dual band balun filter that includes a first coupled-line section pair provided with a first terminal; a second coupled-line section pair configured to be connected to the first coupled-line...
7532085 Electronic device  
An electronic device includes a first transmission line, a second transmission line and a ground-coupling portion. The first transmission line is composed of a first signal line transmitting a...
7531751 Method and system for an improved package substrate for use with a semiconductor package  
Systems and methods for a structure for a package substrate for use in a semiconductor package are disclosed. Package substrates formed according to the systems and methods of the present invention...
7528675 Microstrip-type BALUN, broadcast receiving apparatus using the same and method of forming thereof  
Disclosed are a microstrip-type BALUN (BALance to UNbalance transformer), broadcast receiving apparatus using the same, and a method for forming the same. The BALUN includes a board and a...
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...
7498897 Impedance matching circuit, and semiconductor element and radio communication device using the same  
An impedance matching circuit, a semiconductor element and a radio communication device using the same, adjusting bandwidth while permitting it to be constructed on the semiconductor element by...
7498896 Waveguide to microstrip line coupling apparatus  
Electrical coupling apparatus providing transition between a high radio frequency waveguide and a perpendicularly oriented microstrip line without use of a shorting cap fixes an open end of the...
7495522 Signal tranmission line having contact portion  
A signal transmission line used in a printed circuit board (PCB), the signal transmission line comprises a driving terminal for driving a signal, a contact portion, the signal line connected with...
7492234 Printed circuit board  
A printed circuit board (PCB) includes at least one signal layer, a ground layer, at least two signal lines, and at least one grounded line. The signal lines are arranged on the signal layer for...
7492146 Impedance controlled via structure  
In one embodiment, a via structure for a printed circuit board is provided which includes a signal via and an elongated signal conductor strip electrically connected to the signal via. The...
7482887 Multi-band tunable resonant circuit  
A fully integrated, programmable mixed-signal radio transceiver comprising a radio frequency integrated circuit (RFIC) which is frequency and protocol agnostic with digital inputs and outputs, the...
7479841 Transmission line to waveguide interconnect and method of forming same including a heat spreader  
An MMIC chip is disclosed that includes a planar substrate having a first surface and a second surface, a conductive layer having an opening on the first surface, a transmission line on the second...
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...
7463122 Compact via transmission line for printed circuit board and its designing method  
A compact via transmission line for a printed circuit board having preferred characteristic impedance and capable of miniaturizing the printed circuit board including a multilayer printed circuit...
7463112 Area efficient, differential T-coil impedance-matching circuit for high speed communications applications  
An integrated circuit (IC) system provides a broadband impedance matching function in a minimal IC area for operation with an external high-speed differential communications channel. The IC system...
7463110 Transition device between a waveguide and two redundant circuits coupled each to a coplanar line  
A redundant transition device between a waveguide ( 1 ) and at least two redundant processing circuits ( 2, 3 ) includes two uncoupled coplanar lines ( 5, 6 ) formed one on either side of a single...
7463109 Apparatus and method for waveguide to microstrip transition having a reduced scale backshort  
Methods and apparatuses are directed to a transition between a waveguide and a microstrip. One embodiment features an open-ended waveguide having an exposed side at a distal end, a substrate...
7459987 Electrical adaption network with a transformation line  
A network for electrical matching of an electrical component is disclosed. The network includes n first conductor plane and a second conductor plane separated by a ceramic intermediate layer. The...
7456701 Flexible substrate and electronic equipment  
A flexible substrate including: a first part provided with a first device DV 1 ; a second part provided with a second device; a wiring part placed between the first part and the second part and...
7453338 Impedance-matching electrical connection apparatus for high-speed data communications system  
This disclosure concerns systems and devices configured to implement impedance matching schemes in a high speed data transmission environment. In one example, an electrical connection system is...
7443272 Signal transmission structure, circuit board and connector assembly structure  
A signal transmission structure is at the edge of a circuit board, and the circuit board is connected with a coaxial cable connector through the signal transmission structure. The coaxial cable...
7443265 Method for impedance matching between differential vias and transmission lines  
A method for impedance matching between differential vias and associated transmission lines is provided. The method includes: deducing a relationship of a space between the differential vias, and a...
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...
7432778 Arrangement and method impedance matching  
An arrangement and method for impedance matching (e.g., for a power amplifier) comprising a first node ( 204 a ) for receiving an output current to be impedance matched; a second node ( 212, 214 )...
7414492 Flexible microwave transmission line  
A power amplifier (power amplifier) having multiple solid state sub-amplifiers connected in parallel between the power amplifier input and the power amplifier output are described. The signal input...
7408425 Differential signal termination block  
A termination block provides a pair of coaxial connectors for a differential signal source and a pair of coaxial connectors for connection to a single ended coaxial input. Passive electrical...
7408423 Semiconductor device and adjusting method for semiconductor device  
An object of the invention is to provide a semiconductor device and an adjusting method for a semiconductor device wherein power source noises and noises radiated as radio waves can be reduced and...
7400213 System and method for configuring conductors within an integrated circuit to reduce impedance variation caused by connection bumps  
Systems and methods for improved semiconductor device performance are disclosed. In particular, presented are improved semiconductor systems and methods for configuring conductors to reduce...
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)...
7391281 Method for suppressing resonant effect between capacitors connected in parallel  
A method for suppressing the resonant effect between capacitors connected in parallel is disclosed. By adjusting the length of the transmission line of the shunt capacitors, the performance of the...
7385462 Wideband radial power combiner/divider fed by a mode transducer  
A radial power combiner/divider capable of a higher order (for example, N=24) of power combining/dividing and a 15% bandwidth (31 to 36 GHz). The radial power combiner/divider generally comprises...
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...