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WO/2022/172425A1 |
An amplitude-phase detection circuit according to this disclosure includes, in the order from the input side, at least two pairs of differential input terminals, four non-linear elements (1-4 or 31-34), two low-pass filters (11-12 or 101...
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WO/2022/171501A1 |
A low power transmitter includes a low frequency feedback loop, a high frequency switching element embedded within the low frequency feedback loop, and a mixer electrically communicating with the low frequency feedback loop and the high ...
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WO/2022/161911A1 |
- 40 - Abstract A configurable radio frequency receiver (74) is provided. The receiver has at least one low noise amplifier (86a, 86b); an oscillator arrangement for producing a plurality of signals having a first number or a second numb...
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WO/2022/153409A1 |
This frequency converter up-converts a transmission signal in an intermediate frequency band to a signal in a wireless frequency band as a USB or an LSB of a local oscillation signal by using the local oscillation signal. In the case tha...
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WO/2022/136017A1 |
There is provided a linearized multiplier configured to produce an output current representing a product of a first input voltage and a second input voltage, comprising: a first transconductance stage which is configured to input the fir...
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WO/2022/139911A1 |
Various aspects provide a transceiver and a communication device including the transceiver. In an example, the transceiver includes an amplifier circuit including an amplifier stage with an adjustable degeneration component, the amplifie...
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WO/2022/129880A1 |
Apparatus for downconverting a received frequency modulated communication signal is provided. The apparatus comprises processing circuitry to: obtain first digital frequency domain data based on the received frequency modulated communica...
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WO/2022/108966A1 |
A multilayer ceramic radiofrequency mixer can include a first termination, a second termination, a third termination, and a fourth termination. A plurality of interleaved electrodes may include a first set of electrodes connected with th...
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WO/2022/084442A1 |
The invention relates to an electro-optical mixer (1) having at least one photodiode (PD1, PD2) for obtaining an optical input signal, wherein the at least one photodiode (PD1, PD2) converts the obtained optical input signal into an elec...
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WO/2022/082138A1 |
Quadrature error correction (QEC) for radio transceivers are provided herein. In certain embodiments, a transceiver includes an in-phase (I) signal path including a first controllable amplifier coupled to a first data converter, and a qu...
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WO/2022/076430A1 |
Aspects relate to direct current (DC) tone indication on the sidelink. A wireless communication device (e.g., a UE) may transmit an indication of its sidelink DC tone to one or more other UEs via respective sidelinks. In an example, a tr...
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WO/2022/053385A1 |
An apparatus, method and computer program is described comprising: obtaining time domain samples of a received radio frequency signal of a mobile communication system, wherein the radio frequency signal comprises a Physical Random Access...
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WO/2022/036872A1 |
The present invention provides a broadband terahertz fourth harmonic mixer circuit, a mixer, and a method, comprising a radio-frequency signal coupling transmission unit, a nonlinear device, a local oscillator filter, a local oscillator ...
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WO/2022/003338A1 |
A signal up-conversion system is described. The system comprises a signal input for receiving an input signal to be up-converted; an oscillator system for generating an up- conversion signal having a selectable frequency; a mixer coupled...
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WO/2021/243923A1 |
The present utility model provides a signal modulation circuit, a signal demodulation circuit, a modulation/demodulation module, and an electronic device. The modulation/demodulation module comprises: the signal modulation circuit compri...
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WO/2021/241393A1 |
The problem addressed by the present invention is that, irrespective of whether a modulation resolver mechanism configuration is simple and has exceptional characteristics, an electronic control circuit for driving modulation in this con...
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WO/2021/233985A1 |
The invention relates to a lock-in amplifier, comprising a filter, wherein the filter is designed to filter out a signal from a measurement signal by means of a parameter-dependent filter function, which is limited to a time interval.
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WO/2021/233589A1 |
The invention relates to a method for matching the transmitter clock frequency (fsc) of a transmitter (BS1-BS8) which transmits a signal and the receiver clock frequency (fec) of a receiver (MD) which receives the signal, in which method...
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WO/2021/229385A1 |
Provided is a novel semiconductor device. This semiconductor device has a mixer circuit and a bias circuit. The mixer circuit has a voltage current conversion unit, a current switch unit, and a current voltage conversion unit. In additio...
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WO/2021/229023A1 |
Embodiments of the present invention comprise a signal processing method and apparatus for use in a satellite payload in which an input RF signal received at a receiver antenna is modulated by using a single optical carrier at the input ...
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WO/2021/228726A1 |
A system for reducing or eliminating PIM interference in an RX signal is disclosed. The system is configured to use RX and TX signals to generate a frequency-shifted output that includes a RX carrier signal component of the RX signal, as...
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WO/2021/225733A1 |
Certain aspects provide a circuit for frequency conversion. The circuit includes first mixer circuitry coupled to a load circuit and having a first mixer configured to generate a first portion of a frequency-converted differential signal...
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WO/2021/206597A1 |
An RF-DAC unit cell. In one aspect, the unit cell has a configuration that reduces output capacitance and thus serves to extend the possible bandwidth. In another aspect, the unit cell has an organization that provides LO leakage compens...
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WO/2021/189135A1 |
There is described a terahertz modulation system. The terahertz modulation system generally has a terahertz signal emitter emitting a terahertz signal along a path; a modulation unit having a substrate and an electromechanical transducer...
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WO/2021/191501A1 |
A cryogenic integrated circuit or integrated module (1201) comprises a travelling wave parametric amplifier or a Josephson parametric amplifier (1001). An oscillator (1004) is configured to produce an oscillating drive signal and to coup...
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WO/2021/185595A1 |
A technique relates to a pulse shaping of microwave signals. In embodiments a nondegenerate mixing device receives signals and a time-varying magnetic flux via input ports. The nondegenerate mixing device uses the signals and the time-va...
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WO/2021/175810A1 |
A balanced detector for broadband noise-suppressing detection of electromagnetic waves (50) in an interval of frequencies from a range of between 50 GHz and 10 THz comprises: A first antenna (110) and a second antenna (120) configured to...
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WO/2021/174993A1 |
The present invention belongs to the technical field of electronics and communications, and disclosed are a power mixer, an RF circuit, an apparatus, and a device. The power mixer comprises: a mixer module, which amplifies an analog base...
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WO/2021/175688A1 |
Demodulators and methods of demodulating are disclosed. In one arrangement, input data representing a signal is received. The signal comprising a carrier component and a modulator component. The input data is processed to extract an esti...
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WO/2021/169927A1 |
Disclosed is a mixer effective supply voltage calculation method, comprising: acquiring sample data of a sample mixer to create a sample database; obtaining a supply voltage probability distribution under the current sample size; searchi...
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WO/2021/168273A1 |
Apparatuses and methods are disclosed regarding a multiband transmitter. In an example aspect, an apparatus for processing signals for wireless transmission includes a wireless interface device. The wireless interface device includes an ...
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WO/2021/167905A1 |
A family of radio frequency (RF) filter circuits that use radio frequency linear mixers to controllably separate desired frequency spectrum from undesired frequency spectrum, and convert signals from one frequency to another, permitting ...
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WO/2021/150594A1 |
Capturing, extracting and storing narrowband IQ data for later processing enables timely and efficient analysis. As wideband capture of RF information includes noise and non-signal elements, the present invention detects, extracts and st...
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WO/2021/117386A1 |
[Problem] To achieve IMRR improvement with a simple configuration. [Solution] This receiving device is provided with a mixer which includes: a first mixer which converts the phase difference between a first signal and a second signal int...
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WO/2021/105100A1 |
A superconducting quantum mechanical device includes first, second, third and fourthJosephson junctions connected in a bridge circuit having first, second and third resonance eigenmodes. The device also includes first and second capacito...
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WO/2021/101587A1 |
A measurement receiver is used to measure the I/Q mismatch, where an RF phase shift is introduced to distinguish between the transmitter and measurement receiver I/Q mismatches. Joint transmit and receive image calibration of N-phase Tx/...
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WO/2021/091619A1 |
Architectures are presented for transmitters and receivers using harmonic rejection mixers that use a 6-phase clock signal while also using a differential in-phase/quadrature input signal (for a transmitter) or output signal (for a recei...
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WO/2021/091616A1 |
Architectures are presented for dual 3-phase transmitters and receivers that can achieve similar harmonics performance as N-phase systems having a higher N value, while using a lower VCO frequency. A first 3-phase clock signal is generat...
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WO/2021/091444A1 |
The invention is a method to create an instantaneously wideband digital receiver system despite using a digital receiver with substantially smaller bandwidth than the complete system. The invention solves the problem by using frequency c...
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WO/2021/091610A1 |
Architectures are presented for N-Phase transmitters and receivers that can use a lower N value, and lower VCO frequency, to achieve similar harmonics performance as N-Phase systems having a higher N value. Unlike a traditional N-Phase s...
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WO/2021/081545A1 |
An apparatus includes a first modulator (418) configured to modulate a radio frequency (RF) input signal (402) onto a first optical signal and a second modulator (430) configured to modulate a local oscillator (LO) signal (404) onto a se...
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WO/2021/074890A1 |
Devices and methods for a detection system and heterodyne mixer having a local oscillator (LO) input, a radio frequency (RF) input, an intermediate frequency (IF) output, and a suspended waveguide structure that has a quartz substrate an...
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WO/2021/063478A1 |
The invention relates to a DDFS (100) for generating a LO signal for a down converter (300). The DDFS (100) includes an l-path and a Q-path, and obtains a register output value, and generates a phase slope signal by adding a FCW to the r...
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WO/2021/040339A1 |
The disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as long term evolution (LTE). An operation method of a de...
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WO/2021/024359A1 |
This phase detector is configured to comprise: a phase shift circuit (2) that phase shifts each of a first in-phase signal included in a first differential signal and a first anti-phase signal included in the first differential signal, a...
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WO/2021/002118A1 |
Provided is a demodulating device capable of reducing or avoiding a deterioration in demodulation performance resulting from the nonlinearity of the input amplitude-frequency characteristic of a variable capacitance element constituting ...
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WO/2020/242540A1 |
Low power radio frequency (RF) receivers and related circuits are described.
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WO/2020/239233A1 |
A radio frequency receiver (10) comprising a mixer circuitry (11) to down-convert a received signal, which is transported on a signal line (41, 43), to baseband signal components is provided. The mixer circuitry (11) comprises a pluralit...
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WO/2020/240348A1 |
Provided are a mixer and a semiconductor device wherein the circuit area is smaller and deterioration of operational ability due to heat is suppressed. A mixer according to the invention comprises a differential unit, a current source, a...
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WO/2020/236210A1 |
A receiver can include a first set of one or more amplifier stages configured to amplify input signals in a plurality of communication bands. The receiver can further include a second and third set of one or more amplifier stages. The se...
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