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WO/2013/037793A1 |
The invention relates to a trajectory modification device to be used in an emitter device of a digital transmission device, signals that are to be sent being digitally and complexly modulated, and a trajectory being produced during a tra...
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WO/2012/134109A2 |
The present invention relates to a transmitter and a receiver for a power line communication. Particularly, according to one embodiment of the present invention, a transmitter for a power line communication comprises: a generating unit g...
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WO/2012/120172A1 |
The invention relates to a method and optical apparatus for a bidirectional optical link that uses a simple integrated semiconductor, which is wavelength agnostic, to achieve the transmission of signals by means of simultaneous amplitude...
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WO/2012/109337A1 |
A two point modulation digital phase locked loop circuit is disclosed. The circuit includes a sampling clock input that is switchable between a plurality of frequencies. The circuit also includes a sigma-delta modulator in a feedback pat...
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WO/2012/100226A1 |
System for I-Q phase mismatch detection and correction. An apparatus to correct a phase mismatch between I and Q signals includes a correction circuit configured to continuously compare a reference signal and a phase error signal associa...
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WO/2012/099580A1 |
A test architecture employing digital modulation that can be used to encode multiple bits of information per clock cycle. Embodiments used to illustrate this are an N-bit voltage-level data encoding scheme designed to transmit more than ...
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WO/2012/058122A1 |
Embodiments of RF and DC switching are described generally herein. Other embodiments may be described and claimed.
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WO/2012/025796A1 |
A method and apparatus for direct digital synthesis (DDS) of signals using Taylor series expansion is provided. The DDS may include a modified phase-to-amplitude converter that includes read-only-memories (ROMs), registers and, a single ...
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WO/2011/137588A1 |
The present invention discloses a method, device and system for polarizing signal, which relates to the field of cell network technology. The method includes: receiving physical channel signals transmitted by a base station; determining ...
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WO/2011/111049A1 |
A method for evaluating actual real-time SAR level of a mobile device transmitting, either constant, device or network controlled electromagnetic RF power.
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WO/2011/100389A1 |
A phase accumulator generates phase data for a direct digital synthesis (DDS) device based on a reference phase to provide analog sinusoidal outputs that are locked to the reference phase and thus phase coherent. The frequency of a sinus...
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WO/2011/093592A2 |
Disclosed is a beam-forming device. The beam-forming device comprises couplers which include port converters, and outputs of the couplers are arranged on one side. Thus, since the size of the couplers is reduced, a beam-forming device op...
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WO/2011/089675A1 |
Disclosed are an angle modulator, a transmission device, and a wireless communication device capable of compensating discontinuity of phases when operation modes of a voltage control oscillator are switched. The angle modulator (100) is ...
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WO/2011/065070A1 |
Disclosed is an in-vivo information acquisition system (1) having a capsular medical device (10) which, introduced into a subject (100), sends data containing acquired information as a wireless signal, and a receiving device (30) which r...
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WO/2011/054727A1 |
A digital affine transformation modulator and power amplifier drives a transmitter antenna. The modulator performs an affine transformation on a signal, wherein the I, Q space is mapped to a plurality of sectors. A signal in a sector is ...
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WO/2011/053243A1 |
A transmitter with modulation comprising a phase changing stage having a first switch and a second switch coupled t the first switch, a first transistor and a second transistor individually coupled to the each switch. The transmitter is ...
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WO/2011/018874A1 |
Equipped with a modulation unit that comprises a feedback circuit, which performs feedback control on an output signal from a voltage-controlled oscillator that is based on an inputted modulation signal, and a feed-forward circuit, which...
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WO/2011/015534A2 |
A differential positive coefficient weighted quadrature modulator is actuated responsive to quadrature clock signals and positive digital modulation signals input to the modulator. The modulator includes an l-channel positive coefficient...
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WO/2011/007481A1 |
Disclosed is an amplitude modulator whereby wider bandwidth is achieved without incurring the problems caused by wider bandwidth. The amplitude modulator comprises: a signal processing section that receives a source signal for broadband ...
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WO/2010/143406A1 |
A reference voltage adjustment unit (212) calculates gain from a DA converter (121) to an offset calculating unit (123) by detecting the output of the offset calculating unit (123), adjusts the reference voltage (V3) from a reference vol...
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WO/2010/141909A1 |
A Digital Phase-Locked Loop (DPLL) involves a Time-to-Digital Converter (TDC) that receives a DCO output signal and a reference clock and outputs a first stream of digital values. Quantization noise is reduced by clocking the TDC at a hi...
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WO/2010/133752A1 |
An apparatus, a method and computer program, the apparatus comprising: a modulator (9) comprising a first input for receiving a data signal (27) and a second input for receiving an output signal (23) from a phase locked loop (5) wherein ...
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WO/2010/127168A1 |
A digital phase-locked loop (DPLL) supporting two-point modulation is described. In one design, the DPLL includes a phase-to-digital converter and a loop filter operating in a loop, a first processing unit for a lowpass modulation path, ...
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WO/2010/118980A1 |
A phase-locked loop circuit comprising: an oscillator (20) configured to generate an output signal; an input (25) for receiving a reference clock signal; a delay cell (26) configured to delay the reference clock signal to generate a dela...
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WO/2010/120252A1 |
An amplitude of a carrier signal at an output of an impedance matching block is measured as a first amplitude value. A value of the signal amplitude at the output of the impedance matching block is calculated as a second amplitude value ...
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WO/2010/095100A2 |
The present application relates to a module comprising at least two amplifiers. The first amplifier is configured to amplify an inphase signal. The second amplifier is configured to amplify a quadrature signal. The module comprises a com...
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WO/2010/085721A1 |
An integrated circuit device has a modulator module that provides a modulation signal comprising one frequency keyed on and off, or alternating between two or more different frequencies or phases that are selected based upon a modulator ...
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WO/2010/083588A1 |
A high-speed signal generator. A digital signal processing (DSP) block generates a set of N (where N is an integer and N≥2) parallel digital sub-band signals, each digital sub-band signal having frequency components within a spectral r...
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WO/2010/057871A2 |
The invention relates to a method for the continuous phase multi-state modulation of digital data, said data being complex symbols carrying at least one information bit, and having a theoretical constellation that comprises a number of s...
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WO/2010/054046A1 |
A radio frequency modulator system having a radio frequency amplifier controlled by a pulse modulator. The pulse modulator includes: a first switching circuit response to an input pulse for coupling a dc voltage relative to a reference p...
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WO/2010/041753A1 |
Provided is a microwave-, milliwave-band, ultra-wideband (UWB) pulse wireless communication device which makes it possible to achieve a simpler structure, improved performance, smaller integration, easier design, lower power consumption,...
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WO/2010/038596A1 |
An object of the present invention is to reduce the power consumption of a modulation circuit. The modulation circuit includes a load, a diode, and a transistor. An anode of the diode is electrically connected to one terminal of an anten...
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WO/2010/038166A2 |
Transceivers for wireless nodes often contain both a crystal and an acoustic wave device. The present invention directly uses an acoustic wave device for modulation and demodulation. As a result the crystal, which is both bulky and expen...
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WO/2010/035349A1 |
In accordance with a baseband transport signal received by a baseband signal processing part from a baseband signal input terminal (18), the collector current of a transistor (20) constituting a bias control circuit (7) varies, the drain...
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WO/2010/003864A2 |
The present application relates to a digital modulator comprising an output stage comprising a number of unit cell arrays, and a sampling stage. The present application relates also to a communication device comprising said digital modul...
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WO/2009/156762A1 |
An identification system and method of use thereof is provided, the system (1) comprising at least one transceiver cell (3) comprising an antenna component (7) which receives a part of an incoming signal (11) from an object (13), and a p...
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WO/2009/156289A2 |
The power level of an RF signal is detected using a circuit having relatively low DC offset, high dynamic range, small frequency and temperature dependence and low flicker noise. According to one embodiment, the power detector circuit co...
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WO/2009/155445A2 |
(312; 412) An integrated converter/inverter system includes (450) a direct current bus (312; 412) for connecting to an array of photovoltaic cells without use of a voltage transforming device, an alternating current bus (314,- 414) for c...
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WO/2009/151579A1 |
A system for reducing peaks comprises a processor and a memory. The processor is configured to determine a phase offset for each of a plurality of input signals. The phase offset for each of the plurality of input signals are determined ...
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WO/2009/147793A2 |
A self-calibrating modulator apparatus (300) includes a modulator having a controlled oscillator (326) and an oscillator gain calibration circuit (304). The oscillator gain calibration circuit includes an oscillator gain coefficient calc...
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WO/2009/129512A2 |
A system and method for producing modulated electrical signals. The system uses a variable resistor having a photoconductive wide bandgap semiconductor material construction whose conduction response to changes in amplitude of incident r...
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WO/2009/099953A1 |
In an exemplary embodiment, a free running VCO has two modes: a normal operating mode and a calibration mode. In the calibration mode, the free running VCO is phase lock looped with itself instead of a calibration VCO. Furthermore, in an...
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WO/2009/099431A2 |
In one embodiment, a charge pump converter is formed to use various values of an output voltage to selectively control a value of a charging current during a charging cycle of the charge pump converter.
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WO/2009/093232A2 |
A communication system (20) includes first and second transmitters (36A, 36B), which are coupled to transmit respective first and second Radio Frequency (RF) signals carrying first and second data over a wireless communication channel. T...
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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/2009/083467A1 |
A controller for controlling a load output, said controller comprising a closed loop, said closed loop having a least one controllable characteristic; and means for controlling said at least one controllable characteristic in response to...
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WO/2009/084201A1 |
Provided is a signal modulation circuit which can control a transmission power even when performing a level adjustment of continuous signals from an oscillation circuit. A pulse generation circuit as an example of the signal modulation c...
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WO/2009/065621A2 |
Apparatus (170) for generating a modulation signal for use in modulating the power supply of a power amplifier (160) uses coarse and fine control for controlling the amplitude of the modulation signal, and thereby controlling the output ...
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WO/2009/057289A1 |
A spectrum spread control unit (20) controls a PLL (10) to output a clock signal which has been subjected to spectrum spread. During operation of the spectrum spread control unit (20), a loop bandwidth control unit (30) controls at least...
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WO/2009/056361A2 |
A method for applying a modulation signal to a phase locked loop comprises filtering the modulation signal to provide a low frequency component and a high frequency for application to respectively the feedback and feedforward paths of a ...
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