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WO/2019/159246A1 |
A mixer according to the present invention is provided with: a VGA12 for amplifying, with a gain of cosθ, one IF band in-phase input signal constituting one part of a signal distributed into two parts; a VGA13 for amplifying, with a gai...
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WO/2019/079774A4 |
An antenna comprising: a variable dielectric constant (VDC) layer; a plurality of radiating patches provided over the VDC layer; a plurality of signal lines, each terminating in alignment below one of the radiating patches; a plurality o...
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WO/2019/102392A1 |
The invention relates to a method and system compression of a wide frequency range into a lower and narrower range. In particular, the invention relates to a method for frequency band compression of signals, wherein the method comprises ...
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WO/2019/079774A1 |
An antenna comprising: a variable dielectric constant (VDC) layer; a plurality of radiating patches provided over the VDC layer; a plurality of signal lines, each terminating in alignment below one of the radiating patches; a plurality o...
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WO/2018/182857A1 |
A method for determining a signal propagation time mismatch in a modulator comprises generating a predetermined signal shape of a amplitude component of a radio frequency signal generating one or more predetermined conditions in a freque...
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WO/2018/175194A2 |
An electronic circuit including: a differential multiplier circuit with a first differential input and a second differential input and a differential output; and a phase locked loop (PLL) circuit including: (1) a balanced differential mi...
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WO/2018/175194A3 |
An electronic circuit including: a differential multiplier circuit with a first differential input and a second differential input and a differential output; and a phase locked loop (PLL) circuit including: (1) a balanced differential mi...
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WO/2018/160363A1 |
A communication apparatus is provided. The apparatus includes a printed circuit board having a thickness that complies with an intrinsic safety physical separation specification. A first pair of capacitive plates (300, 302) are disposed ...
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WO/2018/148822A1 |
A digital predistorter comprising a first predistorter for generating out-of-band and inter- band distortion components for compensating for the static nonlinearity of a nonlinear element, and a second predistorter cascaded with the firs...
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WO/2018/131084A1 |
With a conventional PLL circuit, circuit characteristics change dynamically due to temperature changes and degradation over time, and therefore there was the problem that it was difficult to find suitable application parameters for DAC. ...
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WO/2018/116347A1 |
A first frequency accumulator (7a) operates using, as a clock, an output signal of a variable frequency divider (3). A second frequency accumulator (7b) operates using, as a clock, a reference signal transmitted from a reference signal s...
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WO/2018/090417A1 |
A dual-stage predistortion-based method for correcting an ultra-wideband complex format vector modulation error. A loop of the method comprises: a standard signal generating module, a stage I predistortion error compensator, a stage II p...
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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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