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WO/2010/016017A1 |
A method of data signal processing is provided, wherein the method comprises filtering a pre-filtered quadrature data signal by using an m x n filtering matrix, wherein m ≠ n. In particular, the filtering may be performed by using a re...
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WO/2010/014989A2 |
An upconverter and a downconverter having good performance are described. In one design, the upconverter includes first, second, and third sets of transistors. The first set of transistors receives baseband signals and provides an upconv...
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WO/2010/010425A1 |
A down-conversion module (300, 400) for a heterodyne receiver comprises a first mixer circuit (Mixer 1 ), a second mixer circuit (Mixer 2) and an interconnection (302). The first mixer circuit includes first and second differential contr...
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WO/2010/000643A1 |
A receiver arrangement includes a single ended multiband feedback amplifier, at least one single ended input, differential output mixer arrangement including a main mixer and a trim mixer, and a mixer feedback loop circuit configured to ...
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WO/2010/000746A1 |
Calibration data for calibrating time to digital conversion is obtained by switching a feed circuit (20) of a time to digital converter between a normal operating mode or a calibration mode. A delay circuit (22) with a delay circuit inpu...
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WO/2009/158272A2 |
A method of supplying refrigeration to air separation plants within an air separation plant facility in which a refrigerant stream is produced at cryogenic temperature within a centralized refrigeration system. Streams of the refrigerant...
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WO/2009/153716A2 |
The present invention relates to a gigitaol phaselocked loop DPLL (300, 400) having a phase-to-digitalP2D (60) with an enhanced bang-bang phase detector BBPD. Such a P2D (60) comprises a BBPD (62), an additional digital circuit (200) inc...
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WO/2009/145505A2 |
The present invention relates to a demodulator for simultaneous multi-node receiving and a method therof; and, more particularly, a demodulator in a wireless communication system for receiving signals from multi nodes simultaneously and ...
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WO/2009/144642A2 |
The present invention relates to a circuit arrangement (300) for generating non-overlapping and immune-to-1/f-noise signals as has been described. A break-before- make (BBM) circuit ensures that the differential I/Q signals (LO_0, LO_90,...
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WO/2009/143635A1 |
Apparatus (300; 400; 500) for lock-in amplifying an input signal (SI), comprising one or more lock-in amplifiers (304, 307, 308; 422, 423, 424; 504, 507, 515, 516) with a first input terminal (In) for the input signal (SI) to be lock-in ...
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WO/2009/140075A1 |
The invention concerns a transceiver comprising a radio frequency photonic transmitter and a radio frequency photonic receiver coupled to a switch or a circulator. The photonic transmitter, or opto-electronic oscillator, is based on elec...
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WO/2009/130209A2 |
According to one embodiment, a radio frequency receiver comprises a quadrature mixer configured to convert radio frequency signals to baseband signals or intermediate frequency signals. The quadrature mixer comprises an in-phase passive ...
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WO/2009/130207A2 |
According to one embodiment, a radio frequency receiver includes a quadrature mixer for converting radio frequency signals to baseband signals or intermediate frequency signals. The quadrature mixer includes an in-phase passive mixer and...
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WO/2009/131476A2 |
An industrial method of reprocessing a mixture of by-products produced during biodiesel production containing a glycerol fraction and degumming residue as well as a feed additive, which may be obtained by this method.
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WO/2009/127177A2 |
The invention relates to a method for processing received electromagnetic radiation 1 having several carrier waves in the frequency range between 0.1 and 10 terahertz and information of a signal frequency of less than 50 GHz, particularl...
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WO/2009/124377A1 |
A wireless communication system comprises a wavelet analyzer and a wavelet signal generator. The wavelet analyzer is operable to analyze wireless signals within a frequency and time map of a communications spectrum, whereby the wavelet a...
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WO/2009/126661A1 |
A communication channel has a highly linear switched current mixer that incorporates passive filtering (e.g., low pass, notch) for improved transmitting (Tx) and receiving (Rx) with adding external filtering components. A high IIP2 (inpu...
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WO/2009/121861A2 |
The present application relates to a radio frequency modulator comprising at least two unit cells, wherein at least one unit cell comprises a local oscillator input terminal. The at least one unit cell is configured to generate at least ...
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WO/2009/122365A2 |
The invention relates to a Ultra Wide Band signal demodulator comprising a phase shifter (Phase) circuit for phase shifting an input signal (Vin) and for delivering a phase shifted signal to an amplifying circuit (Gain) for amplifying th...
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WO/2009/122843A1 |
Frequency control with a high accuracy is carried out by means of a high-speed PLL circuit driven at low voltage. A frequency control word (FCW) represents a target multiplier of a reference signal (FREF) with respect to an oscillator ou...
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WO/2009/120201A1 |
An apparatus configured as a compandor to achieve a defined dynamic range for an output signal in response to an input signal. In particular, the apparatus comprises a first circuit adapted to generate a first signal from the input signa...
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WO/2009/120117A1 |
A circuit (300) with inputs (365, 370) for first (LO) and second (IF) unbalanced signals at respective first and second frequencies, also comprising a mixer (303) for the first and second input signals to produce a third signal (RF) at a...
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WO/2009/115989A2 |
The present application relates to an apparatus comprising a low-noise mixing unit, and more particularly to a receiver comprising the apparatus. The apparatus comprises a mixing unit configured to frequency down convert an input signal....
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WO/2009/117708A1 |
An amplified stepped gain mixer portion improves the signal-to-noise ratio of a receiver by using multiple gain states to improve linearity. The mixer portion includes an amplifier, a switch and two transistors. The amplifier output is c...
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WO/2009/117707A1 |
An exemplary embodiment disclosed comprises a mixer having a plurality of input leads; a first degenerative impedance element coupled to a first input lead of the mixer; a second degenerative impedance element coupled to a second input l...
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WO/2009/113015A2 |
A device (100) for processing an input signal (102), the device (100) comprising a plurality of phase shifting units (106) each adapted for phase shifting a synchronisation signal (108) by an assigned phase value, a plurality of mixer un...
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WO/2009/113014A2 |
A device (100) for processing an input signal (102), the device (100) comprising a delay unit (104) adapted for delaying the input signal (102) by a predefined delay time, at least one phase shifting unit (106) each adapted for phase shi...
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WO/2009/111556A1 |
A pixel based on a pinned-photodiode structure that creates a lateral electric drift field. The combination of the photodiode with adjacent CCD gates enables the utilization of the drift field device in applications such as 3-D imaging. ...
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WO/2009/104055A1 |
A double balanced mixer circuit comprising a differential pair (102) of first amplifier elements (T1, T2) responsive to an RF differe ntial input signal, double differential pairs (104, 106) of second amplifier elements (T3, T4, T5, T6) ...
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WO/2009/093233A2 |
A communication terminal (24A) includes first and second transmitters (28, 32A, 32B), which are coupled to produce respective first and second Radio Frequency (RF) signals that are phase-shifted with respect to one another by a beamformi...
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WO/2009/089986A1 |
A monostatic multibeam radar sensor device for a motor vehicle, having a directional receiving characteristic comprising at least one send/receive channel (TX) and at least one receive channel (RX) of an antenna apparatus (3) and having ...
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WO/2009/090801A1 |
Disclosed are a device and a method for comparing a detected frequency signal (first frequency signal) and a second frequency signal, which is obtained by delaying the detected frequency, to determine whether the frequency transitioned t...
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WO/2009/089227A2 |
In one embodiment of the invention, a method for convolution of signals is disclosed including generating four phased half duty cycle clocks each being out of phase by a multiple of ninety degrees from the others; coupling the four phase...
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WO/2009/089404A1 |
Disclosed is a methodology and apparatus for rejecting a high-power, near-in-frequency, radio frequency interference. The subject rejection methodology provides two branches; one is a classical down converter branch, and the other is a l...
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WO/2009/082559A1 |
We disclose an apparatus capable of receiving control command data for one or more electrical fixtures and modulating an alternating current by modifying firing phase angles to transmit the data corresponding to the control commands via ...
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WO/2009/080776A2 |
A signal processing circuit comprises a frequency up-conversion circuit (14, 60) for performing up-conversion with a first local oscillator frequency and a frequency down-conversion circuit (16) for performing down-conversion with a seco...
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WO/2009/074378A1 |
A balanced transfer mixer, comprising a coupler element (10), which has an HF source port (12) and an antenna port (14) on one side and two diode ports (16,18) on the other side, two mixer diodes (20, 22), which are each connected betwee...
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WO/2009/075105A1 |
There are provided a sampling mixer, quadrature demodulator, and a wireless device capable of suppressing receiving sensitivity degradation caused by alias components or second-order distortion components. In the sampling mixer (101), a ...
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WO/2009/073358A1 |
Systems, devices and methods are disclosed for suppressing the 2LO frequency spur, output from a mixer. In various exemplary embodiments, a DC bias circuit is electrically connected to provide DC bias to one or more non-linear elements o...
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WO/2009/069876A1 |
A recursive demodulation apparatus is provided. Therecursive demodulation apparatus, including: a segment generation unit dividing data symbols with a residual frequency or phase error into a predetermined number of data symbols, and gen...
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WO/2009/068901A1 |
A tuneable filter is provided in whicha received signal in a first frequency rangeis translated to a signal of a higher frequency rangeby means of a switchable frequency oscillator signal, filtered in a narrow band filter and then down-c...
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WO/2009/063560A1 |
There is provided a frequency converter for suppressing an unnecessary spurious component. The frequency converter includes first and second even harmonics mixers (71, 72), each having a local oscillation frequency (LO) terminal, an inte...
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WO/2009/062953A1 |
The present invention relates to a circuit and a method for jitter compensation in a receiver system and for improving the SNR and/or the BER performance. The circuit for jitter compensation comprises: a combiner block (600) for combinin...
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WO/2009/059831A2 |
A mixing arrangement comprising: an input configured to receive an input signal at a first frequency; first and second outputs configured to provide output signals; a first mixer connected between said input and said first output, said f...
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WO/2009/060337A2 |
This invention relates to a device, a method, a system, wherein at least two mixer units are associated with at least two different mixer frequencies, and wherein each of said mixer units comprises a first input configured to receive at ...
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WO/2009/061951A1 |
A system for automatically transforming a given synchronous circuit description into an equivalent and provably correct desynchronized circuit description. Included in the automated transformation are techniques a variability-aware contr...
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WO/2009/056889A2 |
Disclosed is a logarithmic detector comprising: an amplifier element; means for setting a frequency of operation of the detector; and a controller, wherein an input signal to the amplifier element is arranged to cause an oscillation in t...
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WO/2009/057051A2 |
An electronic device comprising a passive harmonic-rejection mixer. The passive harmonic rejection mixer has an input connected to several sub-mixer stages, and the sub-mixer stages are connected to a summing module for generating the ou...
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WO/2009/058484A1 |
Selectable sizes for a local oscillator (LO) buffer and mixer are disclosed. In an embodiment, LO buffer and/or mixer size may be increased when a receiver operates in a high gain mode, while LO buffer and/or mixer size may be decreased ...
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WO/2009/054095A1 |
Provided is a frequency conversion device which frequency-shifts a baseband signal in accordance with a local signal for output. The frequency conversion device includes: a mixer which multiplies the baseband signal by the local signal a...
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