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7034630 |
Balun transformer and transceiver
The invention relates to a balun transformer for converting an unbalanced signal into a balanced signal or vice versa and having a bandpass characteristic for bandpass filtering the signal being...
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7030826 |
Microwave transition plate for antennas with a radiating slot face
A microwave antenna has a rectangular section waveguide with two narrow walls and and two broad walls. Towards one end, the waveguide is coupled with a microwave transition by which a coaxial...
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7019600 |
Waveguide/planar line converter and high frequency circuit arrangement
A waveguide/planar line converter is provided which enables a simplified assembling operation and accurate positioning of a signal line. The waveguide/planar line converter includes a housing...
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7002431 |
Transition from a waveguide to a microstrip having a secured arrangement
A transition from a waveguide to a microstrip, including a substrate having a plurality of ground surfaces superimposed on one another, the microstrip extending on the substrate and a plurality of...
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6992541 |
Single to differential interfacing
An efficient solution to transform an output from a single ended source to a pair of differential signals that are provided to a differential receiver. The differential receiver is any number of...
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6989722 |
Dielectric filter, dielectric duplexer, and communication apparatus
In a dielectric filter, from the top surface to the bottom surface of a substantially rectangular dielectric block, inner-conductor holes are formed. On the inner surfaces of the inner-conductor...
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6987429 |
Universal millimeter-wave housing with flexible end launchers
A precision non-symmetrical L-shape waveguide end-launching probe for launching microwave signals in both vertical and horizontal polarizations is disclosed. The L-shape waveguide probe is in a...
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6980065 |
Low noise block PCB mounting system using non-linear insertable probes
A low nosie block (LNB) system is described which facilitates the mount of printed circuit board (PCBs) with probes attached to an LNB housing. The LNB housing has, in a preferred arrangement, two...
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6977560 |
Input/output coupling structure for dielectric waveguide resonator
Disclosed is an input/output coupling structure for a dielectric waveguide resonator to be mounted on a printed circuit board, which comprises; a region defined in the printed circuit board and...
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6972637 |
Transmit/receive combiner using shunt admittance elements for isolation
Briefly, in accordance with one embodiment of the invention, a combiner may include transmission lines to couple a receive port and a transmit port to an antenna at a common junction. Shunt...
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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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6967542 |
Microstrip-waveguide transition
A microstrip-waveguide transition for transmission of electromagnetic energy includes a waveguide having an open end, a dielectric substrate attached to the open end, a microstrip probe on the...
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6958662 |
Waveguide to stripline transition with via forming an impedance matching fence
The invention relates to a device for guiding electromagnetic waves from a wave guide ( 10 ), in particular a multi-band wave guide, to a transmission line ( 20 ), in particular a micro strip line,...
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6954116 |
Balanced-unbalanced converting circuit and laminated balanced-unbalanced converter
A balanced-unbalanced converting circuit includes first to fourth strip lines of a quarter wavelength or less. The first strip line has an end connected with a balanced terminal, and the third...
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6952142 |
Frequency-selective balun transformer
A mode-switching transformer selective on a band centered on a first frequency, comprising, between a same common mode input/output terminal and respectively one of two differential mode...
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6952143 |
Millimeter-wave signal transmission device
A transition for transmitting a mm-wave signal from one plane to another, the transition comprising: (a) first and second transmission lines on parallel planes; (b) a third transmission line...
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6940361 |
Self-aligned transition between a transmission line and a module
The invention relates to a method for forming a self-aligned transition between a transmission line ( 1 ) and a module ( 2 ) to be connected to said transmission line ( 1 ). The invention equally...
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6933801 |
Distributed load transmission line matching network
An apparatus and method for maximizing ac energy delivered to a load by minimizing energy reflected from a load, such as an RF power source coupled to a plasma load for substrate processing...
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6917254 |
Balanced-to-unbalanced transformer
A method relating to a balun for transmitting a high degree of high-frequency power where metal sheet element is soldered onto the loop conductor tract of the symmetrical circuit loop, the...
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6917256 |
Low loss waveguide launch
According to the preferred exemplary embodiments of the present invention, a transmission line, such as microstrip, is connected to a waveguide using suspended stripline as an intermediate...
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6917255 |
Video balun
An embodiment of the invention is a connection system for coupling an unbalanced transmission line to a balanced transmission line. The connection system includes a connector having a housing and a...
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6900705 |
Balanced high-frequency device and balance-characteristics improving method and balanced high-frequency circuit using the same
A balanced high-frequency device is constituted by a balanced device and a phase circuit. The input side of the balanced device is connected to an input terminal IN serving as an unbalanced...
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6891448 |
Compact balun for 802.11a applications
A balancing/unbalancing (balun) structure includes a microstrip line printed circuit board (PCB). Two input ports are coupled to a differential signal. An isolated port is connected to ground...
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6873221 |
Multilayer balun with high process tolerance
An exemplary system and method for minimizing degradation effects attributed to misalignment in the production of multilayer balun devices is disclosed as comprising inter alia any combination of...
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6870438 |
Multi-layered wiring board for slot coupling a transmission line to a waveguide
A wiring board includes a dielectric substrate, a signal transmission line formed on one surface of the dielectric substrate, a grounded layer formed on the other surface of the dielectric...
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6853334 |
Multi-layer-substrate and satellite broadcast reception apparatus
There can be provided an LNB converter including a multilayer substrate formed of more than two layers, capable of providing adequate transit characteristic for any frequency, and a multilayer...
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6850128 |
Electromagnetic coupling
An orthogonal electrical coupling relies on electromagnetic coupling for the inner connection, as opposed to direct contact between conductors. A conductor on one of the lines is connected to a...
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6850127 |
Laminated electronic component
A laminated electronic component in which insulating layers and conductive patterns are stacked to form a filter and a balun within the stacked body to connect the filter and the balun between an...
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6844792 |
Single ended tuning of a differential power amplifier output
A system and method for compensating a parasitic capacitance on a differential amplifier output includes a first differential output and a second differential output of the differential amplifier....
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6831616 |
Transmission line balun with parasitic mode termination
A transmission line balun eliminates unwanted reflection of signal energy coupling to a ground plane. A junction of the conductive segments connected to the unbalanced port on the balun is...
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6828881 |
Stacked dielectric filter
A stacked dielectric filter includes a filter section which has first and second input side resonant electrodes and first and second output side resonant electrodes of two ΒΌ wavelength resonators,...
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6822528 |
Transmission line to waveguide transition including antenna patch and ground ring
Disclosed are planar structures for coupling electromagnetic signals between planar transmission lines and waveguides. A preferred exemplary structure comprises a shielded patch antenna and one or...
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6819200 |
Broadband balun and impedance transformer for push-pull amplifiers
A balun and transformer system ( 201 ) is provided in which a balun ( 112 ) is cascaded between two 4:1 impedance transformers ( 102, 110 ) to form a 16:1 broadband impedance transformation for...
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6816028 |
Multilayer substrate and satellite broadcast reception apparatus
A multilayer substrate ensuring transmission loss as low as when one double-sided substrate is used, while reducing noise, and an LNB converter are provided. The multilayer substrate includes a...
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6809610 |
Balancing network
A balancing network has three planar lines which are coupled together. One end of the first line which runs between the second and the third line acts as an unbalanced gate. The opposite end of the...
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6806789 |
Quadrature hybrid and improved vector modulator in a chip scale package using same
In accordance with the present invention, a quadrature hybrid circuit is provided comprising a first spiral inductor and a second spiral inductor separated by an insulating layer to provide all...
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6803835 |
Integrated filter balun
A component that includes a first structure that is integrated with a second structure. The first structure is a lumped balanced to unbalanced circuit (balun) and the second structure is a...
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6794950 |
Waveguide to microstrip transition
A waveguide to microstrip T-junction includes a microstrip transmission line structure having a ground plane separated from a strip conductor by a dielectric layer, the ground plane defining an...
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6788164 |
Complex high frequency components
The present invention comprises baluns 2 a , 2 b which convert balanced line signals and unbalanced line signals mutually, and filters 3 a , 3 b which are electrically connected to the baluns ...
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6765451 |
Method and apparatus for shielding a component of an electronic component assembly from electromagnetic interference
An electronic component assembly includes an electromagnetic interference (EMI)-producing component capable of generating EMI and an EMI-sensitive component. The electronic component assembly...
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6753743 |
Waveguide for microwave device including a frame with waveguide grooves therein
A first waveguide groove is formed in a sidewall of a main casing housing a first circuit board, and a second waveguide groove is formed in a sidewall of a sub-casing hermetically housing a second...
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6750736 |
System and method for planar transmission line transition
According to one embodiment of the invention, a planar transmission line transition system includes a coplanar waveguide transmission line that includes a first electrical path and a second...
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6741814 |
Balun for coaxial cable transmission
A balun is constructed from a parallel pair of lines (coaxial or bifiler) that are bent to form a U-shape including a more curved (bent) section with two ends each of which are connected to a...
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6738611 |
Image rejection sub-harmonic frequency converter realized in microstrip, particularly adapted to be use in mobile communication equipments
It is described an image rejection, sub-harmonic frequency converter, realized in microstrip, particularly adapted to be used in mobile communication equipment, The converter avails of two...
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6737943 |
Dielectric device with partially closed hole
A dielectric device includes a dielectric substrate that includes at least one resonator unit. An external conductor film covers most of the outer surface of the dielectric substrate, except one...
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6734755 |
Broadband uniplanar coplanar transition
A broadband interconnection device ( 10 ) used for interconnection between a first transmission line ( 100 ) and a second transmission line ( 200 ), has a substrate ( 300 ) with the first...
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6714094 |
Balun
A balun, which takes up very little space and which is economical to produce, consist of four interconnected planar lines. One end of a first line is configured as a first symmetrical terminal. The...
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6700456 |
High-frequency module
A high-frequency module of the present invention includes a laminate ceramic layer including a first layer smaller in area than the other layers. Parts constituting high-frequency circuitry are...
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6690252 |
RF circuit assembly
A circuit assembly suitable for RF signals has an integration plate and an RF distribution layer disposed adjacent to the integration plate. The RF distribution layer has an RF conductive layer...
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6683510 |
Ultra-wideband planar coupled spiral balun
A coupled transmission line balun construction employs two pairs of planar interleaved spiral coils ( 3, 5 & 7, 9 ) formed on an electrically insulating or semi-insulating substrate ( 11 )...
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