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WO/2015/189419A1 |
The invention relates to a method for processing acoustic data, comprising steps of: receiving (110) acoustic data corresponding to an acoustic signal transformed in the frequency domain from an acoustic signal in the time domain, for ex...
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WO/2015/190971A1 |
The method determines an input phase differential (Δφ) between two input signals. A phase detector (116, 118) is provided that has pairs of transistors and a first impedance (R1) connected to a first branch carrying a first signal (Iou...
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WO/2015/173356A1 |
The mixer (10) comprises an input (12) for injecting a first signal, two inputs (14, 16) for a second signal, the potential difference between the two inputs (14, 16) corresponding to the voltage of the second signal or the potential dif...
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WO/2015/173306A1 |
Combination of a local oscillator system and a sub-harmonic mixer for providing a down-conversion or an up-conversion scheme based on a sub-harmonic local oscillator An oscillating signal generator (2) is present, as well as a quadrature...
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WO/2015/160431A1 |
A frequency conversion circuit having a plurality of N signal channels, each channel being fed an input signal and a train of pluses having a period T and a duty cycle T/N and includes: a sampler coupled the input signal and being respon...
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WO/2015/161166A1 |
Systems, methods and devices for electronic communications having decreased information loss are disclosed. According to one embodiment, a method may include (1) at least one signal processor identifying a first segment of a signal; (2) ...
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WO/2015/142479A1 |
A circuit for performing a residual side band calibration is described. The circuit generally includes a phase imbalance detection circuit. The phase imbalance detection circuit may include a limiter. The phase imbalance detection circui...
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WO/2015/135507A1 |
A harmonic-rejection translational filter includes: a first path, a second path and a signal combiner. The first path has a first translational filter that is driven by a plurality of first oscillation signals, and is arranged to generat...
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WO/2015/132026A1 |
A DARC signal demodulation circuit arrangement (100) for recovering a DARC signal (W), containing DARC data (data), from an FM multiplex transmission signal (MPX) comprises a pilot tone control loop (101), which is set up to obtain a fir...
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WO/2015/125957A1 |
In order to, with respect to a signal modulated by a modulation method in which four kinds of SSB elements are orthogonally disposed around a common carrier frequency domain, suppress intersymbol interference in a time domain when the fo...
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WO/2015/081983A1 |
A sub-harmonic mixer (300) two or more cascaded stages (310, 312, 314) for converting a Radio Frequency signal to an Intermediate Frequency signal. Each stage comprises a common-emitter transistor or a common-source transistor and each s...
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WO/2015/073070A1 |
Methods and apparatus for a receiver having a single sideband mixer with all pass networks to remove unwanted sidebands down conversion of signals. In exemplary embodiments, a single chip receive/transceiver can be used in phased array r...
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WO/2015/055418A1 |
Method and system for digitally transmitting data, in which a modulated signal (r(t)) containing at least one useful signal or noise or interference signals is received and at least one parameter of the received signal (r(t)) that is rel...
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WO/2015/047942A1 |
Methods and apparatuses are presented for harmonic reject upconverting a baseband signal using at least one quadrature passive upconversion mixer. In some embodiments, an apparatus may include a first quadrature passive mixer configured ...
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WO/2015/042920A1 |
The embodiment of the present invention provides a quadrature mixing device. The quadrature mixing device comprises: a local oscillation signal output device, a first multiplier and a second multiplier; the quadrature mixing device provi...
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WO/2015/048645A1 |
A radio frequency diode detector has a set of diodes having a differential voltage output, and a current source electrically coupled to the ring of diodes, the current source coupled to provide a forward bias current. This is followed by...
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WO/2015/044675A1 |
A phase angle can be measured between an analogue signal and a reference signal by converting the analogue signal to digital samples in a residue number system (RNS) analogue-to-digital converter (ADC), based on a RNS scheme. The phase a...
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WO/2015/028432A1 |
A quadrature passive mixer for a receiver front-end is disclosed. The quadrature passive mixer is adapted to convert a radio frequency signal provided at an input of the mixer to a baseband (or intermediate frequency) quadrature signal a...
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WO/2015/010720A1 |
A frequency converter (100, 200, 300, 500, 600) comprising a first mixer (105) arranged to receive a first and a second input signal and to have as its output the sum and the difference of the first and second input signals. The frequenc...
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WO/2015/010620A1 |
A magneto-resistive mixer, comprising a spiral coil (2), a bridge-type magneto-resistive sensor (9) and a magnetic shielding layer (1), wherein the spiral coil (2) is located between the bridge-type magneto-resistive sensor (9) and the m...
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WO/2015/013125A1 |
The transmission path of a communication device includes, in part, N upconverters each of which receives M phases of a signal to be transmitted. Each upconverter further receives one of N sets of phases of a LO signal. Each of the N sets...
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WO/2015/009056A1 |
Disclosed are a phase shifter and a transmission system equipped with same. A phase shifter according to an embodiment of the present invention has a section having an open circular shape, thereby shifting the phases of signals entering ...
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WO/2015/001924A1 |
Source terminals (S) of switch transistors (M1∙M2∙∙∙MN) are connected to an input terminal (IN). Each of N-number of local oscillation signals having different phases is respectively AC supplied to gate terminals (G) of the switc...
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WO/2014/206623A1 |
The invention relates to a measuring instrument that serves for detection of the simultaneous presence of at least one first signal and one second signal in a measurement signal. The measuring instrument contains a receiving device for r...
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WO/2014/198287A1 |
A quadrature mixer arrangement is disclosed, which is adapted to translate an input signal by a translation frequency. The mixer arrangement is operated at a clock rate that equals the translation frequency times an oversampling rate, wh...
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WO/2014/196890A1 |
A phase detector (32) for generating a phase difference signal (UP, DOWN) indicative of a phase difference between a first bi-level signal of frequency F1 (Fref) and a second bi-level signal of frequency F2 (Ffb) is proposed. The phas...
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WO/2014/189726A1 |
A passive mixer with channel impedance equalization is disclosed. In an exemplary embodiment, an apparatus includes replica devices configured to generate replica output signals and an error amplifier configured to generate bias signals ...
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WO/2014/189687A1 |
An impedance transformer for use with a quadrature passive mixer is disclosed. In an exemplary embodiment, an apparatus includes a mixer configured to generate an up-converted signal at a mixer output port in response to local oscillator...
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WO/2014/188255A1 |
Disclosed herein is a passive, voltage mode transmitter assembly and method of operation. The passive, voltage mode transmitter assembly comprises a baseband filter configured to filter a source baseband signal, a harmonics filter, conne...
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WO/2014/181117A1 |
According to an aspect of the present invention there is provided a method of demodulating a signal, comprising determining one or more gate characteristics for a signal and generating a gate signal having the one or more characteristics...
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WO/2014/150035A2 |
A method for communication between near field communication (NFC) devices includes generating a transmission signal, an in-phase local oscillator signal, and a quadrature local oscillator signal from edges of an input clock signal. The m...
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WO/2014/149891A1 |
A method of operating a receiver in a communications system is disclosed. The receiver receives a radio-frequency (RF) data signal and converts the RF data signal to an intermediate frequency. The receiver then determines whether a block...
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WO/2014/144598A1 |
A method of generating inphase and quadrature signals from a polar receiver providing a phase derivative signal and an envelope magnitude signal comprising receiving an estimated phase derivative signal; generating an estimated phase sig...
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WO/2014/144958A1 |
A regenerative selective logarithmic detector amplifier (LDA) can have integrated FM demodulation capabilities. It can receive a wired or wireless FM modulated signal and amplify or demodulate it with high sensitivity, high skirt ratio a...
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WO/2014/143956A1 |
A thin film circuit, particularly desirable for satellite communications, mixes RF and an LO giga-hertz-range input signals to yield an IF signal by splitting the LO and RF signals into two, with a 180 degree phase shift introduced into ...
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WO/2014/136402A1 |
In the present invention, an unbalanced/balanced converter circuit converts the high-frequency signal of a single phase to a differential signal. A differential matching circuit outputs the greatest level of positive phase output signal ...
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WO/2014/132316A1 |
Provided is a harmonic rejection mixer that makes it possible to accommodate the reception of a wideband signal without increasing the area of a circuit. In the harmonic rejection mixer, transistors (1-5) convert an RF signal into electr...
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WO/2014/094064A1 |
Methods and apparatus for use in communication systems using recursive modulation schemes with a Low Density Generator Matrix code (including an irregular repeat accumulate (IRA) code) are described that have reduced complexity and thus ...
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WO/2014/100668A1 |
A method includes providing a first local oscillator signal having a first duty cycle to a first mixer unit and providing a second local oscillator signal having a second duty cycle to a second mixer unit. At least one of the first duty ...
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WO/2014/100664A1 |
In a particular embodiment, a method of generating in-phase (I) and quadraturephase (Q) signals includes generating a first I output signal based on a first I input signal, a second I input signal, a first Q input signal, and a second Q ...
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WO/2014/100671A2 |
A method of harmonic selection for mixing with a received signal includes receiving a radio frequency (RF) signal and determining a variable gain setting from among a plurality of gain settings or from a range of gain settings. The varia...
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WO/2014/083380A1 |
An apparatus comprising: an input configured to receive an audio signal; a pairwise selector configured to pairwise select the audio signal and a further audio signal, the further audio signal being a verified audio signal; an offset det...
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WO/2014/085673A1 |
Techniques for performing analog calibration of a receiver to optimize a second-order input intercept point (IIP2). In an aspect, a signal generator modeling an interferer is coupled to an adjustable input of a receiver, e.g., a gate bia...
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WO/2014/072351A1 |
The present invention concerns a mixing device for mixing electromagnetic signals, comprising at least one mixer and coupling means for coupling electromagnetic signals to said mixer(s) so as to generate mixed signals with frequency cont...
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WO/2014/072356A1 |
The present invention concerns a demodulation device for demodulating an electromagnetic signal derived from a modulation of a carrier signal, comprising at least one demodulator and coupling means (21) for coupling said modulated carrie...
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WO/2014/071071A1 |
A DC offset filter for wide band beamforming receivers is disclosed. In an exemplary embodiment, an apparatus includes a first mixer configured to down-convert an RF wideband beamformed signal to generate a first baseband wideband beamfo...
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WO/2014/058374A1 |
It is presented a filter apparatus comprising: a first frequency shifter arranged to accept an input signal of the apparatus; a first filter; a second frequency shifter; a second filter; and a third frequency shifter, the output of which...
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WO/2014/058783A1 |
An improved microwave mixer manufactured using multilayer processing includes an integrated circuit that is electrically connected to a top metal layer of a substrate. The microwave mixer includes: a first metal layer; a dielectric subst...
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WO/2014/058752A2 |
Systems and methods are disclosed for compensating I-Q imbalance in a wireless receiver. The receiver may employ a quadrature downconverter configured to receive an RF signal input and output an m-phase component and a quadrature compone...
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WO/2014/053301A1 |
The teachings presented herein allow the same sequence of local oscillator waveform sample values to be used for driving two harmonic rejection mixers for which quadrature operation is desired, irrespective of whether the oversampling ra...
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