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WO/2018/063223A1 |
Modulation circuitry is configured to generate a phase modulated signal having an output frequency that corresponds to a local oscillator (LO) signal divided by N.5. A phase locked loop (PLL) is configured to generate an LO signal having...
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WO/2018/060705A1 |
A heterodyning arrangement is disclosed that comprises a conductive material element, for example in the form of a graphene material element, at least a first input terminal (12) whereby electrical signals related to a first input electr...
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WO/2018/051419A1 |
[Problem] One base station for portable terminals such as smartphones cannot use the same frequency as another base station overlapping the one base station. [Solution] While the number of lines may be decreased, a plurality of other fre...
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WO/2018/048962A1 |
An example apparatus includes a differential amplifier (202) to compare a first voltage (104) to a droop voltage (108). The first voltage (104) corresponds to a sum of inductor currents in a multi -phase voltage regulator. The droop volt...
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WO/2018/024316A1 |
A device, system and method for improvement of analog/digital conversion. An improved delta sigma - converter including a phase or frequency modulation and demodulation, is used. The improved delta sigma - converter obtains higher gains ...
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WO/2017/218085A3 |
An example phase-locked loop (PLL) includes a digital filter, an oscillator, and a time-to-digital converter (TDC). The digital filter is configured to sample at a discrete time that is responsive to a reference clock signal received at ...
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WO/2017/218085A2 |
An example phase-locked loop (PLL) includes a digital filter, an oscillator, and a time-to-digital converter (TDC). The digital filter is configured to sample at a discrete time that is responsive to a reference clock signal received at ...
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WO/2017/189362A1 |
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium for receiving, by a first device, a first signal from a second device, the first signal including a carrier signal modulated with a first m...
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WO/2017/184846A1 |
A self-balanced modulation method and a closed-loop magnetic flux rebalancing control method for parallel multilevel inverters. The combination of the two methods provides for balancing of the magnetic flux of the inter-cell transformers...
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WO/2017/178534A1 |
The present invention relates to a modulator for a digital amplifier and to an apparatus having such a modulator and a digital amplifier. The modulator (100) comprises a pulse former (110) and a control unit (120) for controlling the pul...
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WO/2017/163952A1 |
The present technology relates to a modulator which makes it possible to provide a highly convenient modulator, and a modulation method. The modulator is configured to receive a first signal corresponding to one of a positive signal and ...
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WO/2017/164523A1 |
An active metamaterial array of the present invention comprises: a substrate; a plurality of metamaterial structures disposed on the substrate and spaced apart from each other; a conductivity varying material layer formed between each of...
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WO/2017/158130A1 |
The present disclosure relates to a detector (51) for terahertz electromagnetic waves. The detector comprises a terahertz optomechanical transducer to transform an incident electromagnetic wave, having a terahertz frequency within a tera...
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WO/2017/096264A1 |
Wideband polar receivers and method of operation are described. A phase-modulated input signal is received at a polar receiver that includes an injection-locked oscillator. The injection-locked oscillator includes a plurality of injectio...
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WO/2017/060908A1 |
A method of amplifying a phase shift, comprises: receiving an input signal in response to an output signal; generating a reference signal; varying a modulation of at least one of the signals such that a ratio between modulation amplitude...
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WO/2017/058399A1 |
Systems and method provided herein relate to reducing distortion of signals introduced by components on a phase path of a radio frequency system polar architecture. To reduce phase path distortion, a pre-distortion is introduced prior to...
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WO/2017/037744A2 |
An M-bit delta sigma modulator (200) includes at least one integrator (204) comprised of plurality of amplifiers. An amplifier of a plurality of amplifiers in the amplification path is chopped at a chopping frequency (fchp) to generate a...
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WO/2017/013851A1 |
[Problem] To provide a compact device for detecting phase or controlling phase or amplitude with high sensitivity. [Solution] The present invention has: a linear conductor 14 having one end 14a connected to a negative electrode and the o...
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WO/2017/007265A1 |
A terahertz modulator according to the present invention can comprise: a substrate; a first metal provided on the substrate; a second metal provided on the substrate; at least three contact points with which the first metal and the secon...
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WO/2016/160287A1 |
A method and apparatus for linearizing a baseband filter are provided. The apparatus is configured to, via a first conducting module, receive a first current signal. The apparatus is further configured to, via a converting module, receiv...
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WO/2016/111018A1 |
This application provides a power output circuit which takes a digital value as an input, and which includes a high-efficiency low-distortion power output circuit capable of being connected directly to an antenna, and a modulator. A powe...
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WO/2015/195171A2 |
The present application discloses methods and apparatus for conversion of quantized vibrational energy. The present application discloses, by driving a medium that comprises arranged nuclei with one or more selected driving frequencies, ...
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WO/2015/195171A3 |
The present application discloses methods and apparatus for conversion of quantized vibrational energy. The present application discloses, by driving a medium that comprises arranged nuclei with one or more selected driving frequencies, ...
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WO/2015/182958A1 |
A wireless power reception device and a wireless communication method thereby are provided. The wireless communication method by the wireless power reception device may comprise the steps of: receiving a wireless power signal from a wire...
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WO/2015/119707A1 |
A polar transmitter for an RFID reader and a system using the polar transmitter are disclosed. An RFID system according to at least some embodiments of the invention includes a polar transmitter employing a switch mode power amplifier. T...
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WO/2015/116655A1 |
A clock modulator can include two configurable delay units and can receive a baseband signal and a clock signal. The two configurable delay units can generate two delayed clock signals, each with different delay amounts. The delay amount...
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WO/2015/104859A1 |
An arithmetic calculation and output unit in this digital amplitude modulation device is configured as an analog circuit and arithmetically calculates and outputs a protection index for an amplifier, on the basis of synthesized output si...
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WO/2015/094454A1 |
In described examples for generating quantized signals, a quantized phase domain related to quantized phases of an input signal is generated (252). Vectors that the input signal may occupy are calculated, based on the quantized phase dom...
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WO/2015/055129A1 |
A load modulation circuit in the radio frequency identification is provided, the load modulation circuit comprises a second load modulation module of a first load modulation module connected to a coupling circuit; when in a small field s...
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WO/2015/036997A1 |
Apparatus and methods for signal generation, reception, and calibration involving quadrature modulation and frequency conversion. Embodiments of the present invention provide extremely wide bandwidth, high spectral purity, versatility an...
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WO/2015/030867A2 |
Single-bit transmitter modulator having a digital pulse shaping filter configured to shape data pulses of an inphase signal and quadrature signal; an upsampling filter configured to increase the sample rate of the inphase signal and quad...
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WO/2015/030867A3 |
Single-bit transmitter modulator having a digital pulse shaping filter configured to shape data pulses of an inphase signal and quadrature signal; an upsampling filter configured to increase the sample rate of the inphase signal and quad...
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WO/2015/008449A1 |
This orthogonal modulator (100) has: a first switched-capacitor power amplifier (111) for amplifying a first high-frequency signal; a second switched-capacitor power amplifier (112) for amplifying a second high-frequency signal having a ...
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WO/2015/001116A1 |
A multiple-input multiple-output (MIMO) transmitter comprising a radio frequency source and a plurality of antennas, wherein the antennas are connected in parallel to the radio frequency source and modulation is applied by load modulator...
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WO/2014/183323A1 |
An angle cutting circuit, comprising a direct-current voltage input end (VGHF), an angle cutting voltage output end (VGH), a first switch circuit (310), a second switch circuit (320), a switching circuit (330), a first discharge circuit ...
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WO/2014/143046A1 |
Systems and methods for transpositional modulation and demodulation are provided. One such method for generating a signal includes the steps of providing a look-up table having a plurality of quarter-cycle waveforms, each of said quarter...
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WO/2014/142943A1 |
An SSB transmitter includes a digital-to-digital converter generating first and second real signal components as a function of a complex input signal supplied to the transmitter, and a digital Hilbert transformation module coupled with t...
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WO/2014/120602A1 |
An apparatus for generating an oscillating output signal includes an inductive-capacitive (LC) circuit and a current tuning circuit. The LC circuit includes a primary inductor and a varactor coupled to the primary inductor. A capacitance...
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WO/2014/105346A1 |
A method and apparatus for single port modulation of a phase locked loop frequency modulator includes a phase locked loop with a voltage controlled oscillator (VCO) and a integer loop for multiplying up the output of the VCO which is div...
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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/2014/085097A1 |
Circuits and methods for achieving high linearity, high efficiency power amplifiers are described. In some embodiments, switched-state RF power amplifier systems that employ digital predistortion (DPD) and pulse cancellation are provided.
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WO/2014/078311A2 |
A phase locked loop circuit comprises a phase/frequency detector, a voltage-controlled oscillator (VCO), and a divider chain in a feedback path coupling the VCO output to the phase/frequency detector. The divider chain comprises a plural...
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WO/2014/007916A1 |
A data expansion system that provides continuum of discrete wireless small cell coverage areas for mobile terminals includes a set of roadway reflectors (610) configured to provide wireless broadband data services to a mobile terminal (4...
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WO/2014/006890A1 |
The digital amplitude modulation device is equipped with a measuring unit, a fast surge protection unit, a slow vector protection unit, and a control unit. The measuring unit detects voltage and current from an RF signal. The fast surge ...
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WO/2013/173523A1 |
Embodiments of methods, apparatuses, and systems for signal processing of multiple input signals to control peak" amplitudes of a combined signal axe disclosed. One method includes receiving a plurality of input signals, generating a com...
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WO/2013/163473A1 |
An ultra-wide band frequency modulator is disclosed. The frequency modulator includes a direct modulation phase lock loop that receives a small component. The frequency modulator also includes a delay module that produces a plurality of ...
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WO/2013/136766A1 |
In this voltage controlled oscillator wherein oscillation frequency can be adjusted using a capacitor array, drift of carrier frequency is reduced in the cases where oscillation signals are frequency modulated after cutting the control l...
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WO/2013/136558A1 |
A digital amplitude modulation device comprising a power supply unit, a measurement unit, an arithmetic calculation unit, and a power control unit. The power supply unit provides power supply voltage to a plurality of power amplifiers. T...
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WO/2013/128286A3 |
As a digitized representation of an intermediate frequency television signal moves through a demodulator it undergoes a number of processes, including conversion from an analog signal to a digitized data, digital signal processing of the...
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WO/2013/121020A1 |
The invention relates to a radio transmission method, which comprises steps of simulating a phase modulation of a radio carrier by the consecutive transmission of a carrier having a main frequency f and of a carrier having a shifted freq...
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