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7605672 |
Inverted style balun with DC isolated differential ports
The present invention is directed to a balun that includes a first coupler structure having a first port of a balanced port pair and an unbalanced port. A second coupler structure includes a second...
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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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7525396 |
System, microwave switch and method for hot standby of radio frequency power amplifier
Systems and methods for hot standby of radio frequency (RF) power amplifier are disclosed, an auxiliary RF power amplifier is added and SPDT microwave switches are adopted at the input and output...
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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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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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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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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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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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7317366 |
VHF signal remitter
A VHF signal remitter is usable with a satellite system having a coaxial cable connected between the satellite dish and the satellite signal receiver to feed the VHF signal detected by the outer...
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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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7271680 |
Method, apparatus, and system for parallel plate mode radial pattern signaling
A method, system, and apparatus for high data rate parallel plate mode signaling.
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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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7227430 |
Multichip module
A bondwire transition arrangement for interconnecting a signal port on one IC of a multichip module with a signal port on another, adjacent, IC of the same module employs a distributed...
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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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7116966 |
Transmitting/receiving filter device and communication device
First and second transmission paths P 1 and P 2 are disposed between a first port # 1 connected to an antenna ANT and a second port # 2 connected to a transceiving circuit 10 . The first...
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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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7086078 |
CATV directional component with signal reversing capability and method
The present invention describes a directional CATV component, preferably a signal tap, having a housing frame where coaxial signal cable connections are made allowing for tap circuitry to be placed...
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7084716 |
Ultrafast sampler with coaxial transition
An ultrafast sampler includes a series of Schottky diodes configured with a coplanar waveguide to form a nonlinear transmission line (NLTL) that compresses a local oscillator input to form a series...
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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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7062236 |
Transmitter circuits
A polar loop transmitter includes separate phase and envelope paths providing a linearising scheme for an efficient non-linear power amplifier. Loop filters are included in each of the phase and...
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7030715 |
High-frequency semiconductor device
There is provided a high-frequency GaAs power FET element with high performance, capable of suppressing an abnormal oscillation. Thin film resistors are provided so as to be connected electrically...
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7023295 |
Transmission line having photonic band gap coplanar waveguide structure and method for fabricating power divider using the same
A photonic band gap coplanar waveguide transmission line and a method for fabricating a power divider using the same capable of increasing a characteristic impedance, increasing a signal line width...
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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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6980057 |
Power amplifier, power distributor, and power combiner
In a power amplifier of the present invention, distributed constant lines 105 a and 105 b have a total line length corresponding to a ½ wavelength of a fundamental wave so as to invert the...
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6967544 |
Miniature LTCC 2-way power splitter
A power splitter has a small size with good electrical performance. The power splitter includes a substrate with several dielectric layers. A capacitor is formed between two of the dielectric...
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6922116 |
Generating arbitrary passive beam forming networks
Disclosed are systems and methods which apply design criteria to beam forming network parameters to arrive at a passive beam forming network design. Preferably a beam forming network approach is...
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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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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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6828874 |
Signal combiner
A modulator 200 is based around a switching circuit 212 and a pausey stub balun 210 . The balun 210 has a distributed resistance 232 to ground. The balun may be implemented as a strip line...
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6819202 |
Power splitter having counter rotating circuit lines
A power splitter that has a small package size and low cross-talk noise. The power splitter includes a low temperature co-fired ceramic (LTTC) substrate with several layers. Electrical components...
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6803837 |
Power splitter/combiner circuit, high power amplifier and balun circuit
A balun design incorporating the functions of a splitter (combiner) which can be employed in a high power amplifier circuit configuration. The balun is formed of a dielectric multilayer board with...
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6756859 |
R.F. antenna switch for use with internal and external antennas
An R.F. antenna switch ( 102 ) for coupling either a high-loss port ( 112 ) or a low-loss port ( 114 ) to a common port ( 110 ) includes an unequal power splitter ( 104 ) with the high-loss port (...
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6727780 |
Adding electrical resistance in series with bypass capacitors using annular resistors
A method for achieving a desired value of electrical impedance between conductors of an electrical power distribution structure by electrically coupling multiple bypass capacitors and corresponding...
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6700792 |
High-frequency composite component and portable wireless device incorporating the component
A high-frequency composite component can achieve reduction in size and weight, while providing high performance. A portable wireless device incorporates the high-frequency composite component,...
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6690249 |
Power splitter/combiner multi-layer circuit
A high power amplifier has a first balun propagating a half of an input signal to an in-phase output terminal, and also propagating a fourth of the input signal to first and second opposite-phase...
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6657291 |
Combined resistor-capacitor elements for decoupling in electronic packages
The present invention is a method and apparatus for electrically decoupling conductors used to distribute power and ground potentials in electronic packages and chips. Specifically, the present...
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6624792 |
Quad-ridged feed horn with two coplanar probes
The invention utilizes two nominally orthogonal probes to couple selectively to two orthogonal modes propagating in a microwave waveguide and horn. The waveguide and horn utilize internal ridges to...
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6621370 |
Method and system for a lumped-distributed balun
Systems to provide and methods to design a printed lumped-distributed balun are presented. A lumped-distributed balun includes a single-ended port, a first differential port, a second differential...
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6608535 |
Suspended transmission line with embedded signal channeling device
A suspended transmission line with an embedded signal channeling device includes a support layer and a conductor supported by the support layer between first and second plates each having a ground...
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6600386 |
Thin-film broadband coupler
A thin-film coupler with a carrier substrate ( 1 ) and two strip lines disposed thereon, of which one represents the main coupler loop ( 2 ) and one the auxiliary coupler loop ( 3 ). The use of...
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6593830 |
Non-interruptible tap
A non-interruptible tap has a non-interruptible member that is received in a lower part of the main housing and includes a support element, a pair of slide blocks, and a resilient conductive strip....
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6580336 |
Method and apparatus for providing uninterrupted service in a hybrid fiber coaxial system
Method and apparatus for providing uninterrupted, attenuated RF signal and AC power to downstream multiple port taps, while an upstream multiple port tap is being serviced. A multiple port tap...
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6563420 |
Power line communications apparatus and method
A power line communications apparatus and method for providing communications over power leads connecting two pieces of electrical equipment. One power lead is split into similarly sized first and...
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6545564 |
RF signal divider
An RF signal divider useful in the 250 to 2500 MHz range includes an RF input connection and a plurality of RF output connections. A resistive path connects each RF output connection from an RF...
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6538528 |
T-circuit produced using microstrip technology with a phase-shifting element
The present invention relates to a T-circuit produced using microstrip technology with two branches ( 2, 3 ) of identical length L 2 comprising a phase-shifting element ( 6 ) producing a given...
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6529089 |
Circularly polarized wave generator using a dielectric plate as a 90° phase shifter
A dielectric plate is fixed inside a first waveguide, the inside of which is hollow, having a square opening at one end thereof, the dielectric plate is orthogonal to two parallel sides of the...
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6525623 |
Multi-layer microwave circuits and methods of manufacture
A multi-layer circuit comprises first and second transmission lines. The first transmission line includes vertically stacked bottom and middle dielectric layers. A conductive pattern is disposed...
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