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7619496 |
Monoblock RF resonator/filter having a conductive transmission line connecting regions of conductive material
A resonator/filter adapted for direct surface mounting to the surface of a printed circuit board. The resonator/filter comprises a block of dielectric material including at least one resonator...
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7609130 |
High-frequency module including connection terminals arranged at a small pitch
In a high-frequency module, mounting lands arranged to mount at least one filter device having at least one set of an unbalanced terminal and two balanced terminals are provided at one side of a...
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7598824 |
Splitter/combiner circuit
A circuit for combining/splitting first and second RF signals having different wavelengths of x and y, respectively, the circuit comprising: (a) first and second transmission portions coupled at an...
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7583237 |
Antenna module having a multilayered substrate with built-in components which are connected to mounted components
A multilayered substrate includes a first layer and at least one second layer laminated on one face of the first layer. A first component is mounted on the other face of the first layer. A second...
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7579930 |
High-frequency module
A high-frequency module is integrally formed from at least some circuit components defining a first wireless system using a first frequency band and at least some circuit components defining a...
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7579929 |
Transmission circuit, antenna duplexer, and radio-frequency switch circuit
A small-sized, high-performance transmission circuit is provided which avoids degradation in transmission line characteristics caused by coupling, due to a transmission line and a leader electrode...
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7565116 |
High frequency module
A high frequency module comprises a layered substrate. Inside the layered substrate, a reception diplexer for processing reception signals and a transmission diplexer for processing transmission...
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7561011 |
Dielectric device
A dielectric device includes a dielectric substrate and a resonator unit. The resonator unit includes first and second holes. The first hole opens on a first surface of the dielectric substrate and...
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7545235 |
Dielectric resonator filter assemblies and methods
A unitary resonator assembly for use in dielectric resonator filters and multiplexers. The unitary resonator assembly comprises a plurality of resonators joined by bridges, where the resonators and...
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7541893 |
Ceramic RF filter and duplexer having improved third harmonic response
A duplexing filter suitable for use in a mobile communication system. The filter has a core of dielectric material with several through holes that define resonators. The core has metallized...
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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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7515018 |
Acoustic resonator
An acoustic resonator is described, the acoustic resonator comprising a stack of a first and a second piezoelectric body, wherein said first and second piezoelectric bodies have substantially the...
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7499678 |
Antenna sharing device and wireless communication terminal using the same
A compact, inexpensive antenna sharing device meeting requirements in terms of transmitter distortion characteristic and ESD characteristic is provided which separates and combines signals...
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7489215 |
High frequency filter
The invention relates to a high frequency filter of coaxial construction, comprising an outer conductor housing with a housing base and a housing wall, whereby several resonators are embodied in...
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7482898 |
Dielectric filter, dielectric duplexer, and communication apparatus
A dielectric filter with an ultra hetero-axial structure is provided with open end-face electrodes. By increasing the capacitance between each open end-face electrode and an external conductor...
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7479849 |
Dielectric resonator device, oscillator and transmitter-receiver apparatus
A dielectric resonator device including a circuit substrate with a top surface provided with transmission lines, and a bottom surface provided with a ground electrode; a dielectric substrate with...
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7468643 |
Bandpass filter and wireless communications equipment using same
Disclosed is a bandpass filter comprising a first resonator 1 to a sixth resonator 6 having lengths of basically ¼ wavelength, an input section IN connected to an ungrounded end of the first...
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7463865 |
Automatic cable loss compensation
Method and apparatus are provided for compensation of an RF link between a transmitter and amplifier of a communication system. The apparatus comprises a signal source coupled to the transmitter...
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7459993 |
Resonator, band-pass filter, and duplexer
A resonator, a band-pass filter, and a duplexer are provided. In the resonator, a first electrode is formed of a nonmagnetic conductive material. A ferromagnetic fixed layer is disposed on the...
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7449977 |
Circuit having isolated transmitting and receiving paths
An electrical circuit includes an antenna connection for receiving a signal, a first signal path connected to the antenna connection, a filter arranged in the first signal path, and a first and a...
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7436270 |
Structure and method for improving the reliability of surface mounted ceramic duplexers
A duplexer assembly is provided and includes a circuit board and a duplexer connected to the circuit board by a joint material, wherein the joint material provides a joint thickness of at least...
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7429962 |
Millimeter-wave transreflector and system for generating a collimated coherent wavefront
A planar multi-layer transreflector for generating collimated coherent energy comprises one or more of insulating layers between two or more metallic layers. The transreflector substantially...
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RE40465 |
Dielectric filter, dielectric duplexer, and communication apparatus
A λ/2 resonator comprises an inner conductor formed hole having an inner conductor with both open-ends, formed therein, and λ/4 resonators comprise inner conductor formed holes having inner...
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7400221 |
Semi-coaxial cavity resonator, filter using the same, and communication apparatus using the same
In a semi-coaxial cavity resonator in which an inner conductor is fixed to an outer conductor with a screw, an inner cavity where the inner conductor does not engage with the screw is provided to...
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7397330 |
Filter and radio communication device using the same
A filter includes a resonant unit which has a plurality of resonators respectively formed of each microstrip line and connected in cascade with one another, and a coupling unit which has at least...
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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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7397324 |
Multilayer chip-type triplexer
A multilayer chip-type triplexer is provided. It uses four-session matching transmission lines to integrate three band-pass filters at different frequency bands for simplifying triplexer design. A...
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7394334 |
Dielectric resonance apparatus, oscillation apparatus, and transmission/reception apparatus
A substantially circular electrode 3 is arranged on a surface 2 A of a dielectric substrate 2 of a TM010-mode resonator 1 . A coupling line 5 , which extends along a diameter of the...
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7378924 |
Filter with improved capacitive coupling portion
A filter is provided which comprises a single dielectric, and a line conductor and a ground conductor disposed on the dielectric. The line conductor includes first and second line conductor...
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7352260 |
Transceiver using low temperature co-fired ceramic method
Provided is a microwave and millimeter wave transceiver package technology that can unify the transceiver composed of an amplifier, a filter and a mixer into a low temperature co-fired ceramic...
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7343137 |
Circuit, switching module comprising the same, and use of said switching module
The invention relates to a circuit comprising an antenna input ( 1 ), a signal input ( 2 ) and a signal output ( 3 ), and a switching unit ( 4 ), wherein the antenna input ( 1 ) is connected to a...
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7321278 |
Low profile ceramic RF filter including trap resonators and a decoupler
A low profile ceramic filter for connection to an antenna, a transmitter and a receiver. The filter filters an incoming signal from the antenna to the receiver and an outgoing signal from the...
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7298230 |
Duplexer utilizing a compact splitter circuit
The duplexer includes a transmit filter connected between an antenna terminal and a transmit terminal, and a splitter circuit and a receive filter connected in series between the antenna terminal...
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7283017 |
Band pass filter
Planar band pass filter includes several planar resonators (Ri) arrange parallely, such that the input (R 1 ) and output (R 5 ) planar resonators are connected to input ( 11 ) and output ( 12 )...
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7274273 |
Dielectric resonator device, dielectric filter, duplexer, and high-frequency communication apparatus
Electrodes ( 2 ) and ( 3 ) are formed on the front face ( 1 A) and the rear face ( 1 B) of a dielectric substrate ( 1 ). Fan-shaped apertures ( 4 A) and ( 4 B) forming a resonator ( 4 ) are formed...
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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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7262677 |
Frequency filtering circuit for wireless communication devices
Systems and methods are disclosed for a frequency filtering circuit for wireless communications that includes a first resonator circuit comprising a first transmission line and a first capacitor...
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7242268 |
Unbalanced-balanced multiband filter module
An unbalanced-balanced multiband filter module comprising three high-frequency switches each comprising a switching element, and two unbalanced-balanced bandpass filters having different...
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7196595 |
Multilayer diplexer
A multilayer diplexer has a first I/O terminal, a second I/O terminal, an antenna terminal, a high-pass filter coupled between the antenna terminal and the second I/O terminal, and a low-pass...
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7183883 |
RF circuit component and RF circuit
An RF circuit component according to the present invention includes a waveguide 1 and at least one resonator 2 , which is arranged inside the waveguide 1 . The resonator 2 includes at least...
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7180391 |
Resonator filter
The invention relates to a tunable resonator filter. In each resonator cavity of the filter there is a movable dielectric tuning element ( 728; 748 ) to adjust the resonator's natural frequency....
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7151423 |
Demultiplexer and multiplexer
A demultiplexer receives a multiplexed signal, in which a plurality of electrical signals with mutually different frequencies are multiplexed together, and divides the multiplexed signal into the...
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7116188 |
Laminated dielectric filter, and antenna duplexer and communication equipment using the same
A laminated dielectric filter is formed by coupling a plurality of resonators to one another by electromagnetic-field coupling. In the laminated dielectric filter, a bypass circuit formed of a...
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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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7075388 |
Ceramic RF triplexer
A monoblock ceramic triplexer for connection to an antenna, a transmitter, a receiver and a GPS receiver is described. The triplexer includes a solid, monolithic core of dielectric material...
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7057483 |
High-frequency circuit device and high-frequency circuit module
A high-frequency circuit device includes a dielectric member 1 , a shielding conductor 2 surrounding the dielectric member 1 , a support member 3 for fixing and supporting the dielectric...
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7054608 |
Multilayer electronic component and communication apparatus and method
A multilayer electronic component has a multilayered product laminating a plurality of dielectric sheets as one piece,
a plurality of grounded electrodes provided among the dielectric sheets...
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7026887 |
High-frequency composite part and wireless communications device comprising it
A high-frequency module is connected to a transmitting circuit, a receiving circuit, and an antenna to control the connections between the transmitting circuit and the antenna and between the...
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7012481 |
Duplexer, and laminate-type high-frequency device and communication equipment using the same
A duplexer is composed of a laminate in which dielectric layers and electrode layers are laminated alternately. A first filter for transmitting and a second filter for receiving, having different...
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7005949 |
Dielectric filter
A dielectric filter has a dielectric block 1 having a first end face 1 a , a second end face disposed in opposite side to the first end face and lateral faces each being disposed between edges...
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