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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...
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7573353 |
Circuit topology for multiple loads
A circuit topology for multiple loads includes a driving terminal, a first node coupled to the driving terminal via a main transmission line, a second node coupled to the first node via a first...
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7541892 |
Three-way splitter including a printed element
According to one exemplary embodiment, a three-way splitter includes a printed element and a resistive network comprising discrete resistors. A first printed branch, second printed branch, and...
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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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7532089 |
Microwave combiner/splitter
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...
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7518468 |
Power divider-combiner circuit
A power distribution and combination circuit for distributing a signal input from a first port to a second and third ports and combining signals input from the second and the third port so as to be...
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7518467 |
Dynamic, non frequency dispersive, RF power division by means of variable dielectric material properties
A monolithic thin film variable power divider is disclosed for variable power level distribution. The thin film power divider includes a substrate having a main surface, a first stage and a second...
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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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7463115 |
High frequency electronic component
A high frequency electronic component comprises a layered substrate. On the bottom surface of the layered substrate, there are provided a plurality of functional terminals for inputting and...
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7456704 |
2D transmission line-based apparatus and method
A power combiner comprising an LC lattice structure is shown, together with a method for generating a planar wave front. The LC structure can comprise constant or voltage dependent capacitors....
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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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7446625 |
Narrow impedance conversion device
An impedance conversion device has four conductors arranged so that the first and second conductors form a transmission line having a first characteristic impedance, the third and fourth conductors...
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7443266 |
Variable power coupling device
An apparatus and method for providing adaptive control of the output of a radio frequency coupler. Adaptive control may include providing a transmission line having a plurality of branches...
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7411472 |
Low-loss integrated waveguide feed for wafer-scale heterogeneous layered active electronically scanned array
A wafer-scale heterogeneous layered active electronically scanned array (ESA) utilizes a low-loss integrated waveguide feed. The ESA is formed from wafer-scale subarray modules each of which...
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7400215 |
Method and apparatus for increasing performance in a waveguide-based spatial power combiner
A power combining array and method of increasing performance in a power combining array includes a waveguide enclosure having a plurality of slotline modules disposed therein. The slotline modules...
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7388452 |
Integrated branching network system and joint connector
A network system is provided with a joint connector for branching a communication line to plural lines respectively linked with plural nodes, the joint connector is provided with terminals for...
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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...
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7369011 |
High order mode electromagnetic wave coupler and coupling method using proportional distributing waves
The high order mode electromagnetic wave coupler and coupling method uses one or more Y-shaped bifurcated waveguides to divide the wave to one or more order, so as to divide the target...
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7324060 |
Power divider having unequal power division and antenna array feed network using such unequal power dividers
An RF power divider circuit unequally divides an input signal into first and second signal components of unequal power. The circuit includes a single input port, first and second output ports, and...
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7312673 |
Radial power divider/combiner
A radial power divider-combiner is disclosed. The divider-combiner includes a divider and a combiner. An input signal is provided to a transmission antenna that radiates the input signal inside the...
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7292121 |
RF combining device and method
Two or more reflective isolator elements are joined at their outputs to produce an RF combining structure. An RF circulator element is used for each input RF signal as a reflective isolator element...
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7280602 |
Microwave signal edge detector circuit for improved clock recovery
A signal edge detector circuit is described for the detecting the signal transitions in a stream of microwave signals at a predetermined clock signal rate, particularly for OC-768 data streams....
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7256665 |
Apparatus and method for in-process high power variable power division
A power divider for a waveguide between a single electromagnetic microwave generator input and two output ports, the divider including two tuner networks, each comprising a moveable capacitive...
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7253701 |
Multiplexed amplifier
Multiple sensor signals are used to modulate an equal number of frequency-spaced carrier signals in a directional parametric upconverting amplifier. Basically, the carrier signals are separated in...
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7239215 |
Multicell amplifier and power divider/combiner employable in same
A multicell amplifier comprises a first divider unit, which receives the input signal of the amplifier, divides it into 2N subsignals, amplifies them and recombines the amplified signals in two...
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7215220 |
Broadband power combining device using antipodal finline structure
A broadband power combining device includes an input port, an input waveguide section, a center waveguide section formed by stacked wedge-shaped trays, an output waveguide section, and an output...
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7176769 |
Harmonic termination circuit for medium bandwidth microwave power amplifiers
A compact amplifier output bias circuit is used as a broadband harmonic termination. The bias circuit is adapted as a harmonic termination circuit to produce an effective low impedance at the...
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7170368 |
Phase matching using a high thermal expansion waveguide
An apparatuses and methods for phase matching power combined signals are described. A typical apparatus includes at least a waveguide portion in at least a first branch conducting a first...
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7167698 |
Balanced sub-harmonic mixer
A wide band mixer is provided that mitigates local oscillator leakage. A LO signal is provided to a 180 degree splitter that provides a first intermediate LO signal and a second intermediate LO...
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7132990 |
Low profile active electronically scanned antenna (AESA) for Ka-band radar systems
A vertically integrated Ka-band active electronically scanned antenna including, among other things, a transitioning RF waveguide relocator panel located behind a radiator faceplate and an array of...
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7123114 |
Switchable combiner and integrated combining apparatus for using it
A switchable combiner and apparatus for providing intergrated combiner unit, which can reduce problem due to frequent substitution of unit. The apparatus for providing intergrated combiner unit...
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7113056 |
Radial power divider/combiner
A radial power divider-combiner is disclosed. The divider-combiner includes a divider and a combiner. An input signal is provided to a transmission antenna that radiates the input signal inside the...
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7106147 |
Apparatus, system, and method for high frequency signal distribution
In some embodiments, an apparatus, system, and method for high frequency signal distribution may input a source signal and provide a plurality of outputs having equal phase and magnitude using a...
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7102459 |
Power combiner
A power combiner for the combining of symmetric and asymmetric traveling wave energy comprises a feed waveguide having an input port and a launching port, a reflector for reflecting launched wave...
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7075385 |
Impedance converter device
An impedance converter device comprises an electrically conductive external conductor with one or more connection locations for electrical lines, an electrically conductive internal conductor with...
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7046101 |
Switchable RF power divider/combiner with switchable impedance matching elements
An RF signal divider/combiner is provided for dividing a supplied RF signal to any number of up to N output ports. A switchable impedance matching network is provided to impedance match the divider...
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7026886 |
Miniaturized microwave integrated circuit using complementary conducting surfaces
The invention discloses a two-dimensional array waveguide structure implemented with multi-layer process or monolithic integrated circuit process. The structure includes a first metal layer, a...
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7019603 |
Waveguide type ortho mode transducer
An object of the present invention is to obtain a waveguide type polarizer, which enables miniaturization thereof, shortening of an axis, and broad band promotion, and which has high performance....
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7015772 |
Tunable amplitude unbalance stripline combiner
A tunable amplitude unbalance stripline combiner for RF signals in which the amplitude unbalance can be adjusted in order to minimize the amplitude unbalance. The combiner has an upper printed...
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7009466 |
Fault-tolerant power combining system
A power combining system includes multiple amplifiers, a reactive combiner for combining the output power of the amplifiers and a short plate. Switches are used to electrically connect an output of...
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7005942 |
Non-switching adaptable 4-way power splitter/combiner
A 4-way power splitter/combiner circuit providing a plurality of transmission lines of selected impedance and phase shift to define four amplifier ports into which one to four amplifiers may be...
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6967543 |
Microstrip-to-waveguide power combiner for radio frequency power combining
A microstrip-to-waveguide power combiner includes a dielectric substrate and at least two microstrip transmission lines formed thereon in which radio frequency signals are transmitted. The...
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6937203 |
Multi-band antenna system supporting multiple communication services
An antenna comprising a reflector having a reflector surface profile for reflecting a plurality of signals comprising a plurality of communication bands; a multi-depth corrugated horn assembly for...
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6919776 |
Traveling wave device for combining or splitting symmetric and asymmetric waves
A traveling wave device for the combining or splitting of symmetric and asymmetric traveling wave energy includes a feed waveguide for traveling wave energy, the feed waveguide having an input port...
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6903700 |
High frequency circuit substrate and method for forming the same
A high frequency circuit substrate comprises a first high frequency circuit substrate including at least a first dielectric material layer, a first conductor layer, a second dielectric material...
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6882253 |
Non-radiative dielectric waveguide and millimeter wave transmitting/receiving apparatus
The invention provides a highly-reliable, low-loss non-radiative dielectric waveguide. According to one aspect of the invention, a non-radiative dielectric waveguide comprises parallel planar...
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6876272 |
Reflection-mode, quasi-optical grid array wave-guiding system
The present invention discloses a system for integrating a quasi-optical reflection-mode array into a wave-guiding enclosure. The system includes a quasi-optical reflection mode array and a...
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6861923 |
Power divider/combiner with a multilayer structure
The invention relates to a power management arrangement which comprises, formed as a multilayer structure ( 100 ), several insulating layers ( 130, 132, 134, 136 ); several conductive layers ( 124,...
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6861997 |
Parallel plate septum polarizer for low profile antenna applications
A parallel plate septum polarizer used in low profile, dual polarized, antenna applications such as satellite communications from a moving vehicle. The polarizer allows a wide waveguide to be fed...
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6847268 |
Wide-band circuit for splitting or joining radio-frequency powers
An improved circuit for splitting or for joining radio-frequency powers, having a main line ( 7 ) which is connected between an input port ( 1 ) and a first output port ( 3 ), and having a branch...
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