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7612628 |
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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7551042 |
Microwave pulse compressor using switched oversized waveguide resonator
A microwave pulse compressor has an elongated, cross-sectionally oversized waveguide resonator for decreasing the attenuation of the resonator, thereby increasing the resonator's Q O The increased...
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7474173 |
Cross-polar and co-polar transceiver
A transceiver allowing transmission of a co-polar transmit signal and simultaneous reception of co-polar receive and cross-polar receive signals. An integrated orthogonal mode transducer and...
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7468641 |
Microwave bandstop filter for an output multiplexer
A microwave bandstop filter comprises a waveguide segment of cross-section that presents longitudinal variation of sinusoidal type modulated by an amplitude function that is continuous, the period...
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7432780 |
Rectangular-to-circular mode power combiner/divider
A rectangular-to-circular mode combiner/divider is provided. In one aspect of the invention, a power combiner is provided that comprises a plurality of rectangular waveguide ports arranged in an...
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7432781 |
Monolithic duplexer and fabrication method thereof
A monolithic duplexer and a fabrication method thereof. The monolithic duplexer includes a device wafer, a plurality of elements distanced from each other on a top portion of a device wafer, first...
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7408427 |
Compact multi-frequency feed with/without tracking
A method and apparatus forming an efficient and compact waveguide feed with all components for processing signals in multi-frequency band antenna feeds with single/dual linear/circular...
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7397325 |
Enhanced microwave multiplexing network
A method for configuring a microwave multiplexing network having a first channel filter and a second channel filter and an interconnect in order to improve channel performance. The top ends of the...
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7351990 |
Analyzer magnet chamber liner
A waveguide liner for an analyzer magnet chamber having three interlocking pieces of graphite, the liner pieces having sufficient size to allow them to stand freely without being secured, said...
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7332982 |
Waveguide diplexer of electric plane T-junction structure with resonant iris
A waveguide diplexer having an electric plane T-junction structure with a resonant iris is disclosed. The waveguide includes: a waveguide having a predetermined shaped cross section; a transmitting...
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7330088 |
Waveguide orthomode transducer
A waveguide orthomode transducer includes a first radio wave conducting means for conducting an electric wave of a horizontally polarized wave branched by an electric wave branch means, for...
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7321277 |
Waveguide directional filter
A waveguide directional filter for combining multiple high power UHF television broadcasting transmitters on to a common antenna. The directional filter arrangement includes an input waveguide, an...
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7304554 |
U-shaped microwave and millimeter wave resonator filter
A filter including a body on which a waveguide groove, whose one surface is open, is formed in a U-shape and a plurarity of inductive resonant windows are provided along a longitudinal direction of...
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7299534 |
Method of fabrication of low-loss filter and frequency multiplexer
A method of fabricating a waveguide filter includes forming a monolithic polymeric dielectric core configured for fabricating a dielectric-filled cavity, where the core includes a plurality of...
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7298232 |
Low-loss filter and frequency multiplexer
A waveguide filter with a signal input port at a first end and a signal output port at a second end includes a dielectric core of moldable material where the outer surface of its periphery has a...
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7272367 |
Multiband filter circuit and high-frequency transmitter
The input side and the output side of a first bandpass filter circuit BPF 1 a are magnetically coupled to each other in a jump-coupling manner by the first mutual inductance (L 31 a , L 41 a ) for...
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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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7218833 |
Wireless communication system and apparatus
A wireless communication system comprises a plurality of wireless communication apparatus, a plurality of sub-racks, and a rack. The wireless communication apparatus comprises a demultiplexing...
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7132907 |
Frequency-separator waveguide module with double circular polarization
The module comprises an input/output access point at a first end of a waveguide with a square cross section, called a square waveguide, two access points made of waveguides with a rectangular cross...
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7085122 |
MEMS tunable capacitor based on angular vertical comb drives
A MEMS tunable capacitor with angular vertical comb-drive (AVC) actuators is described where high capacitances and a wide continuous tuning range is achieved in a compact space. The comb fingers...
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7078985 |
Device for separating transmission and reception signals of different polarizations
The invention proposes a transmitting/receiving device comprising at least one transition zone which comprises a means of transforming a polarized wave of a first polarization into an electrical...
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7042315 |
Device for filtering electromagnetic waves
The present invention relates to a device for filtering electromagnetic waves, consisting of a turret element comprising at least one pair of waveguide filters, each filter operating in a specific...
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7019706 |
High frequency module and antenna device
The present invention includes: a first main waveguide 1 ; a T-branch circuit 3 connected thereto; a first low-pass filter 5 connected thereto; a band-pass filter 7 connected to the first...
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6963253 |
Broadband high precision circular polarizers and retarders in waveguides
A retarder is presented for application in systems that transmit radiation through waveguides, such as microwave or millimeter-wave systems. The retarder is a compound device comprising multiple...
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6847270 |
Waveguide group branching filter
The waveguide group branching filter according to the present invention is formed by boring out of two metal blocks constituent circuits including a circular-to-square waveguide multistage...
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6842085 |
Orthomode transducer having improved cross-polarization suppression and method of manufacture
An orthomode transducer includes a first waveguide section, a second waveguide section coupled to the first waveguide section, and a third waveguide section coupled to the first and second...
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6731185 |
Surface acoustic wave device and communication apparatus
A branching filter is a surface acoustic wave device in which a first filter having a relatively low bandpass frequency and a second filter having a relatively high bandpass frequency are connected...
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6727776 |
Device for propagating radio frequency signals in planar circuits
A device for efficient propagation of radio frequency (RF) signals, including concurrent transmission of signals of different polarizations, includes a waveguide having an input port for receiving...
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6710678 |
Waveguide type duplex filter
A waveguide type duplex filter having first and second waveguides which each comprise filtering means tuned to a given frequency, comprises two halves having a conducting surface. Faces directed...
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6700548 |
Dual band antenna feed using an embedded waveguide structure
A dual band antenna feed is made with an embedded waveguide structure to enable combining of Ka and Ku band signals without the need for an additional cavity-type filter. The antenna feed includes...
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6693497 |
Device for converting circularly oscillating electromagnetic radiation beams into linearly oscillating radiation beams
A device is disclosed for converting a circularly polarized electromagnetic radiation into linearly polarized electromagnetic radiation. The device includes a depolarizer with depolarizing elements...
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6683513 |
Electronically tunable RF diplexers tuned by tunable capacitors
A diplexer includes a first tunable bandpass filter connected to a first port, a second tunable bandpass filter connected to a second port, and a coupling element for coupling the first bandpass...
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6661309 |
Multiple-channel feed network
A multi-channel feed network includes a main waveguide section (either square or circular) for connection to a satellite antenna for propagating two orthogonal polarizations. The feed network...
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6624715 |
Ultrawide-band linear-circular polarization converter
In an ultrawide-band linear-circular polarization converter, in a noncircular waveguide which has negative-phase characteristics in which a phase gradually decreases in accordance with an increase...
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6617944 |
Injector device for a microwave filter unit using dielectric resonators, and a filter unit including the device
An injector device for microwave filter units made up of channel filters ( 1″, 1″′ ) provided with cavities housing dielectric resonators. Each filter has an input cavity which receives a...
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6600387 |
Multi-port multi-band transceiver interface assembly
According to the present invention, a waveguide assembly is provided and includes a common input waveguide aligned along a first axis. The input waveguide supports two frequency bands and one or...
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6583683 |
Device for rotating the polarization of an electromagnetic wave at the exit from a waveguide, and a corresponding system
The invention relates to a device for rotating through a predefined angle the polarization of a polarized electromagnetic wave propagating in a first waveguide. According to the invention, the...
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6573810 |
Device for transmitting electromagnetic signals across a structure including modules organized for two-for-one redundancy
A device for transmitting electromagnetic signals across a structure including functional modules organized so that two-for-one redundancy is obtained, in the case of signals that are transmitted...
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6573808 |
Millimeter wave front end
A system and method providing millimeter wave front end circuitry utilizing waveguide E-plane bandpass filters for both out of band frequency rejection as well as reverse and spurious propagation...
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6549106 |
Waveguide with adjustable backshort
A waveguide assembly including a waveguide, a backshort member, and an adjustment member, where the adjustment member is capable of receiving or input and transforming it into an output that causes...
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6529098 |
Transmitting and receiving apparatus for satellite communication via dual-polarized signals
A transmitting and receiving apparatus comprises a transmit/receive feed operable to transmit signals to and receive signals from a source, a waveguide assembly coupled with the transmit/receive...
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6522215 |
Converter for receiving satellite signal with dual frequency band
A polarizer for a dual frequency band is formed of square waveguides of a dual structure. A section is formed which extends in a step-like manner as deeper inside between outer and inner square...
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6507252 |
High rejection evanescent MIC multiplexers for multifunctional systems
An integrated circuit multiplexer comprises a waveguide having an interior cavity, first RF input port, and a first and second output ports; a dielectric structure positioned in the cavity; an RF...
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6472951 |
Microwave multiplexer with manifold spacing adjustment
A series of tuning brackets are mounted on the microwave waveguide manifold at positions between the input waveguide/filter couplings. These brackets constrain the manifold and are constructed with...
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6417742 |
Circular polarizer having two waveguides formed with coaxial structure
A circular polarizer includes a low frequency band waveguide (f L ), a high frequency band waveguide (f H ) formed at the inner side of the low frequency band waveguide (f L ) in a coaxial...
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6404300 |
Microwave module for separating high frequency transmission signals and high frequency reception signals on the basis of their frequencies
A waveguide for separating a high-frequency transmission signal and a high-frequency reception signal on the basis of their frequencies is formed in a diplexer. Further, a transmission-side...
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6388635 |
Feeder horn, intended especially for two-way satellite communication
A feeder horn intended particularly for two-way satellite communications equipment and including a central transceiver horn ( 10 ) and at least three separate measuring horns ( 11, 12, 13 ) placed...
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6388537 |
Antenna feeding system
In order to receive simultaneously signals with different polarizations, the antenna feeding system is adapted to comprise diplexers and a hybrid circuit for synthesizing signals, which are...
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6331809 |
Nonradiative dielectric waveguide resonator, nonradiative dielectric waveguide filter, duplexer and transceiver incorporating the same
A nonradiative dielectric waveguide filter of the present invention permits the manufacturing process including the production of a dielectric strip to be simpler. The filter can be formed by a...
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6297714 |
Device for transmission and/or reception of signals
The invention relates to a device for transmission and/or reception of signals. It comprises a first waveguide (9) for the reception/transmission of signals and a second waveguide (23) for the...
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