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WO/2015/079681A1 |
The present invention addresses the problem of reducing decreases in the voltage of output voltage even when using a terminal in which the load current is higher than in conventional terminals. This impedance upper (2) is provided with a...
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WO/2015/057839A1 |
A low-noise directional amplifier includes a first port, a second port, a first coupler and a second coupler. The first port is coupled to a first coupler. The low-noise directional amplifier also includes at least two phase preserving a...
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WO/2015/052838A1 |
A decoupling circuit is configured such that signal distribution ratios in distribution circuits (1, 2) and an amplitude adjustment amount in an amplitude phase adjustment circuit (5) are set such that coupling amplitudes in a route A an...
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WO/2015/053672A1 |
It is presented a signal generator for providing a first signal on a first output and a second signal on a second output wherein the first signal and the second signal are provided with phase shift relative to each other. The signal gene...
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WO/2015/029722A1 |
[Problem] To provide a wireless communication apparatus capable of realizing separation of transmission signals and reception signals with low consumption of energy and small size. [Solution] Provided is a wireless communication apparatu...
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WO/2015/019523A1 |
The purpose of the present invention is to implement a parallel resonant circuit having good distortion characteristics and good saturation characteristics while having low power consumption. To achieve this purpose, a variable resistanc...
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WO/2015/014550A1 |
The invention relates to a participant station (10; 30; 50; 60) for a bus system (1; 2) and to a method for improving the error tolerance of a participant station (10; 30; 50; 60) of a bus system (1; 2). The participant station (10; 30; ...
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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/2014/210192A1 |
A delay circuit in which the delay is independent of variations in the power supply which powers the logic gates of the delay circuit is disclosed. By separating the CMOS transistors that form each logic gate by additional CMOS bias tran...
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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/2014/166451A1 |
An attenuation device, system, method and computer storage medium. Said device comprises: a control information acquisition interface, configured to acquire the attenuation-duration sequence information and the attenuation-amount sequenc...
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WO/2014/155635A1 |
Provided are a delay circuit and an ultrasonic imaging device having highly accurate delay time, long maximum delay time, and low power consumption. The delay circuit comprises: an input line into which an analog input signal is input; a...
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WO/2014/150502A1 |
An active integrated circuit circulator (200) comprising a first port (201), a second port (202), and a third port (203); and a plurality of microwave operational amplifiers (210, 220, 230) coupled to each other and the first port, the s...
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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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WO/2014/138041A2 |
A delay apparatus of an embodiment is an apparatus for delaying a signal to a plurality of chain-based time-to-digital circuits (TDCs) and includes a plurality of propagation path devices each connected to a respective one of the plurali...
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WO/2014/132104A1 |
An apparatus comprising: an input configured to receive at feast one signal comprising a haptic signal part and an audio signal part; a stream processor configured to separate the at least one signal to generate at least one haptic signa...
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WO/2014/133809A1 |
Shared filters used for both transmit and receive paths are disclosed. In an exemplary design, an apparatus (e.g., a wireless device, an integrated circuit, or a circuit module) may include a filter and a switch. The filter operates as a...
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WO/2014/129706A1 |
An analog baseband filter for a radio transceiver is provided. An analog baseband filter for a multi-mode multi-band radio transceiver includes a current-voltage conversion amplifier converting a current received at the analog baseband f...
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WO/2014/122753A1 |
[Problem] To provide: a floating emittance formation circuit that can form two-terminal emittance without being affected by fluctuations in a baseline potential, or in other words in a state that is floating with respect to the baseline ...
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WO/2014/122808A1 |
The present invention is an emittance conversion circuit having a first terminal and a second terminal, wherein the emittance conversion circuit is provided with a conversion subject circuit, which amplifies or attenuates at desired freq...
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WO/2014/114843A1 |
There are disclosed various methods, apparatuses and computer program products for resonance tuning. In some embodiments an oscillator signal derived from a local oscillator (125) signal is received and a control signal (208) is generate...
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WO/2014/113613A1 |
Methods, systems, and computer readable media for wideband frequency and bandwidth tunable filtering are disclosed. According to one aspect, the subject matter described herein includes a wideband frequency and bandwidth tunable filter t...
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WO/2014/100521A1 |
A concurrent matching network using transmission lines for low loss is disclosed. In an exemplary embodiment, an apparatus includes a first ΒΌ wavelength transmission line configured to couple a first signal path to a common node that is...
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WO/2014/086385A1 |
An l/Q network (700) comprising an all-pass filter (401) which is adapted to receive differential input signals at a differential input port (120) with first (131) and second (132) terminals and to output differential I and Q voltage sig...
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WO/2014/088643A1 |
In one embodiment, an apparatus includes a clock generator to generate differential clock signals. The apparatus also includes a distributed polyphase filter to obtain phase-corrected multi-phase clock signals based on the differential c...
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WO/2014/075215A1 |
An active power filter, a duplexer and a wireless communication device. The active power filter comprises a first filter, a first amplifier, a second filter, a down converter, a third intermediate frequency filter, a second amplifier, a ...
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WO/2014/075760A1 |
A filter assembly is provided comprising a first filter (12), a notch filter (26, 26'), and a phase-shifter (36). The first filter has a stop-band. The filter assembly is configured to, in use, split the output of the first filter into a...
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WO/2014/046988A1 |
A method and apparatus for an adjustable filter system (100) comprises a first integrated circuit (122) generating a reference value that represents a corner frequency of a filter (124) within the first integrated circuit (122); sending ...
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WO/2014/043271A1 |
Techniques to implement a filter for a selected signal path by reusing a circuit component in an unselected signal path are disclosed. In an exemplary design, an apparatus includes first, second, and third circuits (580a, 580b, 560a). Th...
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WO/2014/039517A1 |
Embodiments include methods of tuning state variable filters. Examples include state variable filters whose center frequencies can be tuned using variable gain blocks coupled to outputs of filter integrators. First- and second-order stat...
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WO/2014/037994A1 |
With respect to a transmission circuit (10) that is equipped with a transmitting antenna (11) and a power supply (14) capable of supplying electric power to the transmitting antenna, an impedance matching device (100) matches the input i...
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WO/2014/024185A1 |
A method for increasing the power extraction capability out of Differential Power Processor (DPP) system, which consists of a chain of N serially connected PV elements and an array of N-1 gyrator-type converters which are current sourcin...
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WO/2014/007006A1 |
A delay circuit and a semiconductor apparatus which includes the delay circuit are provided. An output control circuit controls an output signal level from an output terminal to a High level or a Low level or controls the output terminal...
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WO/2014/001609A1 |
There is disclosed an apparatus, a method, and a computer program product providing tunable impedance to match the front end with an antenna impedance. Some embodiments utilize transferred impedance phenomena where a base band or a low f...
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WO/2013/187048A1 |
In a communication device, an applied voltage which is outputted by a voltage circuit (50) is changed, and each capacitance value (C1, C2) of a variable capacitance element (21) before and after the change of the applied voltage is measu...
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WO/2013/179890A1 |
Provided are: a gate connected with an input terminal; a source connected with a first voltage source; one or a plurality of first transistors of a first conductive type having a drain connected with an output node; a gate connected with...
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WO/2013/178271A1 |
A variable attenuator comprises a series resistance, and an adjustable shunt resistance, wherein the adjustable shunt resistance comprises a series circuit of a fixed resistor and a semiconductor element having an adjustable resistance.
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WO/2013/175055A1 |
The specification and drawings present a new apparatus and method for an RF tracking filter which may be used in RF transceivers. Instead of having band pass filter and switches in the signal path exemplary embodiments of the invention d...
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WO/2013/165082A1 |
An amplifier circuit is provided. The amplifier circuit includes an operational amplifier, a feedback resistor for changing gain and cutoff frequency characteristics of the operational amplifier, and a feedback variable capacitor for cha...
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WO/2013/155669A1 |
An electronic inductance circuit for the power supply of a 2-wire bus intercom system and a device thereof. The electronic inductance circuit comprises a main circuit path along an inductor (LI) and the source terminal (S) and the drain ...
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WO/2013/130675A1 |
Exemplary embodiments are directed to beamforming. A device may include a plurality of mixers, wherein each mixer is configured to receive at least one of a quadrature signal and an in-phase signal. The device may further include at leas...
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WO/2013/118441A1 |
This amplifying circuit is provided with: a first transistor (21), which converts input voltage signals (11) into current signals; and a second transistor (22), which converts the current signals into output voltage signals (12). In the ...
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WO/2013/108611A1 |
[Problem] To provide a bandpass filter that prevents clock leak toward the amplifier-circuit input side, and also has excellent signal decay characteristics outside the passband. [Solution] The present invention has: an amplifier (102) c...
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WO/2013/098998A1 |
The purpose of the present invention is to provide a high frequency filter, which has a narrow passband width, and a high degree of suppression in the vicinity of the passband, and which also has low loss. This high frequency filter incl...
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WO/2013/094081A1 |
A delta-sigma A/D converter (100) comprises: a loop filter (101) further comprising a resonance filter (103); a quantizer (104); and a feedback D/A converter (106). The resonance filter (103) further comprises a resonator provided with a...
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WO/2013/095431A1 |
Described herein is an apparatus, method and system corresponding to relate to a low power digital phase interpolator (PI). The apparatus comprises: a digital mixer unit to generate phase signals from a series of input signals, the phase...
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WO/2013/095649A1 |
Described herein is an apparatus and system for generating a signal with phase angle configuration. The apparatus comprises an array of switch-resistors, each switch resistor to receive a control signal, wherein the array of switch-resis...
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WO/2013/088337A1 |
An electronic circuit (100) simulating the behaviour of an inductance between a respective input node (IN) and a reference potential (GND) is described, said electronic circuit (100) comprising: an compensation network (10) having a resp...
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WO/2013/089446A1 |
A variable gain amplifier circuit is provided. The circuit includes an operational amplifier for amplifying and outputting an input signal according to a cutoff frequency and a gain, a feedback resistor for changing a first resistance ac...
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WO/2013/048173A2 |
The present invention relates to an apparatus for removing partial discharge noise and to a method for diagnosing partial discharge. The apparatus comprises: a noise removing device which removes, upon occurrence of a partial discharge s...
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