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WO/2015/020927A2 |
Techniques for efficiently integrating directional coupler circuitry with other circuit elements of an RF front end. In an aspect, one or more inductors of an RF front end filter is incorporated into a first inductor of the directional c...
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WO/2015/016203A1 |
This invention provides a duplexer that has improved heat-dissipation performance. A surface-acoustic-wave filter has a transmission circuit provided on a first principal surface (20s) of a first piezoelectric substrate (20B) and a recep...
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WO/2015/014068A1 |
The present invention provides a radio frequency power supply system. The radio frequency power supply system comprises a radio frequency power supply, and an automatic impedance matcher electrically between the radio frequency power sup...
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WO/2015/017452A1 |
The present subject matter relates to systems, devices, and methods for adaptively tuning antenna elements and/or associated filter elements to support multiple frequency bands. For example, a tunable filter having an input node and an o...
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WO/2015/017406A1 |
RF filter structures are disclosed that may have multiple filter paths, which are provided by weakly coupled resonators. The filter paths may be interconnected so that additional filter paths may be realized between input and output term...
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WO/2015/015823A1 |
Provided is a balun transformer allowing balance characteristics to be improved. A balun transformer (10a) characterized in being provided with: an input terminal (14a) into which an unbalanced signal is inputted; a converting unit (11) ...
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WO/2015/012050A1 |
A first grounding capacitor on a device side and a second grounding capacitor on a power source side within a noise filter are connected by the same filter ground plate, and when the filter ground plate is grounded on the second groundin...
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WO/2015/012620A1 |
A filtering apparatus and method of a multimode multiband transceiver is provided for filtering a signal carrying an analog baseband signal. A filtering apparatus of a multimode multiband radio transceiver of the present invention includ...
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WO/2015/010001A1 |
This disclosure describes systems, methods, and apparatus for reducing a DC bias on a substrate surface in a plasma processing chamber due to cross coupling of RF power to an electrode coupled to the substrate. This is brought about via ...
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WO/2015/004992A1 |
Provided is a micro-strip antenna which is more compact than the prior art and has an excellent axial ratio in the required frequency band. A Wilkinson coupler unit (24) comprises two π-filters (24a, 24b) and a resistor (24c), and is a ...
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WO/2015/005232A1 |
In the present invention, a synthesizer is configured so as to comprise the following: a first input terminal; a first impedance converter in which input thereto is electrically connected to the first input terminal; a second input termi...
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WO/2015/003065A1 |
The present subject matter relates to filtering antenna devices, systems, and methods in which a tunable antenna having one or more first variable impedance element is configured to selectively vary an impedance at a signal path output a...
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WO/2014/207292A1 |
There are disclosed various methods and apparatuses for an antenna. In some embodiments of the method a transmission signal is provided to a first feed point (126) of an antenna (102). A modified signal is generated from the transmission...
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WO/2014/207291A1 |
There are disclosed various methods for a communication device and apparatuses comprising an antenna and a transmitter. In some embodiments of the method a transmission signal is provided to a first feed point (126) of an antenna (102) h...
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WO/2014/208763A1 |
A printed circuit board has a printed wiring board and a semiconductor package mounted on the printed wiring board. The printed wiring board has a signal conductor pattern and a resonance portion resonating with a plurality of resonance ...
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WO/2014/207300A1 |
A plurality of tunable cross-coupled resonators (1-5) are connected using capacitive coupling elements (212, 214, 216, 218) to form a cross-coupled bandpass filter (200). A center frequency of the filter (200) may be set based on frequen...
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WO/2014/210331A1 |
An 'L' shaped dynamically configurable impedance matching circuit is presented herein. The circuit can include a series element and a shunt element. The shunt element in the L-shaped impedance matching circuit can be moved or modified ba...
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WO/2014/203822A1 |
Resistors (Rf) and ceramic capacitors (Cf) comprise low-pass filters (21(01)—21(10)) and eliminate noise. On the basis of a standard Vx value (n) for the direct current voltage that occurs in output terminals (T01—T10) of a battery p...
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WO/2014/197364A1 |
Systems for reducing magnetic coupling in integrated circuits (ICs) are disclosed. Related components and methods are also disclosed. The ICs have a plurality of inductors. Each inductor generates a magnetic flux that has a discernible a...
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WO/2014/197217A1 |
A low loss multiple output switch with integrated distributed attenuation is disclosed. In an exemplary embodiment, an apparatus includes a switchable shunt network having an input terminal and a plurality of network output terminals, th...
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WO/2014/193501A1 |
A signal handler providing high linearity in a small size, applicable across wide operating frequencies and bandwidths, while also adapted to preferred integrated circuit (IC) and printed circuit board technologies. In one implementation...
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WO/2014/193846A1 |
Apparatus and methods for variable capacitor arrays are provided herein. In certain configurations, an apparatus includes a variable capacitor array and a bias voltage generation circuit. The variable capacitor array includes a plurality...
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WO/2014/192431A1 |
A high-frequency module component (10) comprising a divider/combiner (20) and a shield case (12). The divider/combiner (20) comprises a laminate (30), a common I/O electrode (21), a low-band I/O electrode (22), a high-band I/O electrode ...
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WO/2014/193503A1 |
A highly linear, variable capacitor array (400) constructed from multiple cells (100-0, 100_ 1,... 100_ N). Each cell includes a pair of passive, two-terminal capacitor components connected in antiparallel. The capacitor components may b...
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WO/2014/194256A1 |
A solid state impedance tuner (30) or impedance tuner system including a housing structure (36) and at least two solid state tuner modules (10) electrically combined and disposed in one package within the housing structure. Each tuner mo...
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WO/2014/193525A1 |
A filter includes a glass substrate having through substrate vias. The filter also includes capacitors supported by the glass substrate. The capacitors may have a width and/or thickness less than a printing resolution. The filter also in...
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WO/2014/191615A1 |
Apparatus, method, and system example embodiments provide an improved RF front end (20) to simultaneously transmit and receive signals for cellular telecommunications. In an example embodiment, an apparatus comprises a tunable duplexer (...
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WO/2014/192180A1 |
A multiplex transmission system comprises: a primary transmission power supply (1) for supplying power with a single frequency; a transmitting and receiving unit (3) consisting of multi-path transmitting antennas (5) for wirelessly trans...
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WO/2014/188739A1 |
A first inductor and a second inductor are constituted from conductor patterns formed over a plurality of layers; conductor patterns (L1a,L1b,L1c,L1d) of the first inductor and conductor patterns (L2a,L2b,L2c) of the second inductor have...
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WO/2014/188696A1 |
[Problem] To improve the repeatability and reliability of a plasma process by efficiently, stably, and robustly applying a sufficiently high impedance to harmful high-frequency noise of a plurality of frequencies entering lines such as p...
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WO/2014/188681A1 |
[Problem] To adjust or optimize a resonant frequency by arbitrarily shifting same without reducing impedance functionality or withstand-voltage characteristics with respect to high-frequency noise entering lines such as power-feeding lin...
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WO/2014/189869A1 |
Techniques for providing low-cost and effective jammer rejection for a radio receiver. In an aspect, a notch filter (410) is provided between a transformer (153) and a differential mixer (161 ) in the receiver. The notch frequency of the...
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WO/2014/187439A1 |
The invention relates to a high-frequency oscillator (1) comprising an electric resonant circuit (2), a high-frequency welding system and to a method for controlling the frequency using a high-frequency oscillator, in particular in a hig...
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WO/2014/185599A1 |
An ESD-EMI common mode semiconductor filter element according to the present invention enables a filter circuit and comprises: a substrate; a plurality of TVS zener diode elements formed on top of the substrate; a plurality of PIN diodes...
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WO/2014/185231A1 |
Provided is a signal transmission cable equipped with a bandstop filter having a high Q factor. A signal-line conductor pattern (210) which includes a capacitor conductor (212) and an inductor conductor (213) is formed on a base material...
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WO/2014/186613A1 |
An impedance matched resonant circuit uses inductors coupling an audio source and a speaker array in order to reduce feedback reflection induced by an audio signal traveling from the audio source to the array of speakers. An RC circuit c...
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WO/2014/185177A1 |
Disclosed is a cooling structure for a combiner such that heat emitted from an electronic component such as an isolation resistor is efficiently radiated externally, thereby preventing deterioration in performance and lifespan of the ele...
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WO/2014/182556A1 |
Tunable diplexers in three-dimensional (3D) integrated circuits (IC) (3DIC) are disclosed. In one embodiment, the tunable diplexer may be formed by providing one of either a varactor or a variable inductor in the diplexer. The variable n...
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WO/2014/179240A1 |
Disclosed are devices and methods related to low loss impedance transformers for radio-frequency (RF) applications. In some embodiments, an impedance matching device can include a primary metal trace and a secondary metal trace. Such met...
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WO/2014/179693A1 |
A radio frequency (RF) filter circuit for rejecting one or more spurious components of an input signal has a first resonator circuit including a first capacitor and a first coupled inductor pair of a first inductor and a second inductor,...
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WO/2014/175959A1 |
A system and method for wideband tunable notch cancellation that is passive and does not require feedback or feed forward circuitry. An input spectrum containing interference is split into two signals that are 180 degrees out of phase wi...
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WO/2014/170927A1 |
A demultiplexing device is provided with: a signal reception unit that receives a signal; an analog demultiplexing unit that performs analog demultiplexing of the received signal that is received by the signal reception unit using a pred...
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WO/2014/171266A1 |
Two coils formed by conductor patterns are placed beside each other on the same surface of an insulating substrate, are serially connected, and the winding direction and connection relationship of each coil are defined so that a linked f...
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WO/2014/166465A1 |
The invention relates to a gyrator for alternating current signals. The gyrator comprises a Hall-effect material, means for coupling an alternating current (I1; I4) into the Hall-effect material, means for passing a magnetic field, which...
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WO/2014/168162A1 |
A filter section (20) of a high frequency module (11) is provided with: a plurality of SAW resonators (201-208) that are connected in series to first and second series connection terminals (P21, P22); first and second shunt connection te...
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WO/2014/155873A1 |
First coil conductor patterns (11a, 11b, 11c) form one coil aperture that gives rise to magnetic flux in a first direction (for example, a direction going into the page). Second coil conductor patterns (12a, 12b, 12c) form a first coil a...
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WO/2014/156720A1 |
The present invention reduces the design costs for an LC filter in which the properties of an attenuation pole that is formed by jump coupling are changed in various ways. An LC filter element (100) is provided with: a ceramic stacked bo...
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WO/2014/156719A1 |
A band-pass filter (100) is provided with: a stacked body (10); an input terminal (62a), an output terminal (62b), and a ground terminal (62c) that are formed on the outside of the stacked body (10); a plurality of capacitors (C1-C3) tha...
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WO/2014/156343A1 |
An LC filter element (100) is provided with: a ceramic stacked body (10) having stacked therein a plurality of ceramic layers; an LC filter circuit that is formed within the ceramic stacked body (10); and an input terminal, an output ter...
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WO/2014/146706A1 |
A filter circuit for filtering a first signal and a second signal from a measurement signal comprises a first filter (22) and a second filter (23) which are connected in series. At least the first filter (22) is a band-stop filter. The f...
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