| Document |
Document Title |
|
WO/2010/149822A1 |
There is provided a solution for dual channel transmission in a radio communication device. Both transmission signals to be transmitted on different channels are mixed two times by using oscillator signals having the same frequencies for...
|
|
WO/2010/143241A1 |
A phase comparison circuit (111) counts the number of transitions of a reference clock (CKR1) and an oscillator clock (CKV1); sets , as the phase comparison period, the period until the number of transitions of the reference clock reache...
|
|
WO/2010/133253A1 |
The invention discloses a mixer circuit (10, 20, 30, 410, 60) comprising a first mixer component (11, 21) with a first (13, 23) and a second (12, 22) input port for a first and a second input signal respectively and an output port (14, 2...
|
|
WO/2010/135338A1 |
Techniques for compensating for I-Q mismatch in a communications receiver. In an exemplary embodiment, incoming I and Q samples are adjusted by multiplying with certain compensation coefficients to generate mismatch-compensated I and Q s...
|
|
WO/2010/132870A1 |
A receiver with a balanced I/Q transformer is described. In an exemplary design, the receiver includes an LNA that amplifies a received RF signal and provides a single-ended RF signal to the balanced I/Q transformer. The balanced I/Q tra...
|
|
WO/2010/125506A2 |
An electronic device comprising a passive harmonic-rejection mixer (400) and a calibration circuitry (425). The passive harmonic rejection mixer has an input (102) connected to several sub-mixer stages (402), and the sub-mixer stages are...
|
|
WO/2010/122611A1 |
A first and a second envelope detection circuit (10, 20) have the same circuit construction: the first circuit detects an input high-frequency signal, whereas the latter circuit generates a reference voltage for power level detection. A ...
|
|
WO/2010/119569A1 |
Provided is a frequency conversion element capable of supporting both an Si-system MMIC and a GaAs-system MMIC by using a magnetoresistance element. The element is provided with the frequency conversion element comprising the magnetoresi...
|
|
WO/2010/108943A1 |
The present invention relates to a frequency synthesizer including: a first oscillator (1) controlled by a first control device, the first oscillator having a high quality factor that is greater than 300 and produces a first clock signal...
|
|
WO/2010/107561A1 |
A Lange coupler having a first plurality of lines (210, 220) on a first level and a second plurality of lines (230, 240) on a second level. At least one line on the first level is cross-coupled to a respective line on the second level vi...
|
|
WO/2009/153754A9 |
A method of operating a micro-electromechanical system, comprising a resonator; an actuation electrode; and a first detection electrode, to filter and mix a plurality of signals. The method comprises applying a first alternating voltage ...
|
|
WO/2010/104164A1 |
A first equidistant-clock signal group is used to sample a second clock signal, thereby generating a first phase difference signal. The second clock signal is delayed by equal intervals, thereby generating a second clock signal group, wh...
|
|
WO/2010/101878A2 |
Quadrature signal demodulator circuitry for demodulating multiple related input signals into respective pairs of quadrature signals for selective combining to provide a composite pair of quadrature signals with a maximized signal-to-nois...
|
|
WO/2010/097273A1 |
It is described an electronic device for generating a fractional synthesized frequency. The device comprises a multi-phase controlled oscillator adapted to generate, from a control signal, a plurality of signals phase-shifted each other ...
|
|
WO/2010/089700A1 |
A polyphase harmonic rejection mixer, comprising a plurality of stages following each other; wherein a first stage is arranged to perform at least frequency conversion; and a second stage is arranged to perform at least selective weighti...
|
|
WO/2010/087199A1 |
Disclosed is a harmonic rejection mixer that makes it possible to suppress high-frequency response, while keeping the number of gm elements from increasing. In a harmonic rejection mixer that regulates the waveform of an output signal by...
|
|
WO/2010/087201A1 |
Disclosed is a mixer able to simultaneously suppress self-mixing and low-order harmonic response in a charge sampling circuit. Specifically disclosed is a multiphase mixer provided with a transconductance amplifier (101) for converting a...
|
|
WO/2010/084192A1 |
Method and for filtering a desired filter frequency band containing a desired set of one or more TV channels from a received TV signal (2) containing a plurality of TV channels, comprising: (a) shifting the received signal (2) in frequen...
|
|
WO/2010/085313A1 |
A method and a receiver are provided for demodulating a received multi-carrier modulated signal. The demodulation procedure includes (a) multiplying the received multi-carrier modulated signal with its complex conjugate to obtain a squar...
|
|
WO/2010/076651A2 |
An apparatus configured to separate from a received radio frequency (RF) signal a first low-frequency signal and a second low-frequency signal having different phases, up- convert the first low-frequency signal and the second low-frequen...
|
|
WO/2010/078276A1 |
A discrete time receiver includes a low noise transconductance amplifier (LNTA), a discrete time sampler, a passive discrete time circuit, and a switched capacitor amplifier. The LNTA amplifies a received RF signal and provides an amplif...
|
|
WO/2010/073720A1 |
The degree of removal of unwanted component signals can be improved using a small area without the need for using any high frequency signal source. IF band simulated image signals (IM-I, IM-Q) outputted by an IF band simulated image sig...
|
|
WO/2010/069956A2 |
Direct mixer with transistor and sample-and-hold module using a baseband transposition of an RF signal with a highly dynamic setup and low noise factor.
|
|
WO/2010/068504A2 |
Method and apparatus for configuring a transmitter circuit to support linear or polar mode. In the linear mode, a baseband signal is specified by adjusting the amplitudes of in-phase (I) and quadrature (Q) signals, while in the polar mod...
|
|
WO/2010/065281A2 |
A method and apparatus for correcting direct current (DC) offset errors of a received signal in a direct conversion receiver (DCR) are provided. DC offset correction algorithms are incorporated into the DCR, each algorithm being optimize...
|
|
WO/2010/062702A2 |
Techniques for designing a single-balanced mixer coupled to a dummy portion with a dummy load to improve noise rejection. In an aspect, a single-ended signal (RF) from a stage preceding the mixer, e.g., a low-noise amplifier (LNA), is co...
|
|
WO/2010/061712A1 |
Disclosed is a waveguide type rat-race circuit capable of being used suitably in a high-frequency region; further disclosed is a mixer using said circuit. This waveguide type rat-rate circuit is equipped with a circular waveguide part (3...
|
|
WO/2010/058247A1 |
A frequency multiplier circuit (200), comprising a first stage including a first differential pair of amplifier elements (Q1, Q2) having respective current conduction paths connected in parallel between first and second nodes (202, 204) ...
|
|
WO/2010/059872A2 |
Exemplary embodiments include a frequency modulation (FM) transmitter and a non-FM receiver, which may be implemented on the same IC chip. The FM transmitter may include a digital FM modulator, a lowpass filter, an amplifier, and an LC t...
|
|
WO/2010/059032A2 |
The present invention relates to a phase frequency detector (PFD) (100) for use as one of the blocks in a phase-locked loop. The PFD of the present invention has zero dead zone, has a simpler structure with a minimum number of transistor...
|
|
WO/2010/057035A1 |
An RF transceiver integrated circuit has a novel segmented, low parasitic capacitance, internal loopback conductor usable for conducting IP2 self testing and/or calibration. In a first novel aspect, the transmit mixer of the transceiver ...
|
|
WO/2010/054263A2 |
The present disclosure relates to systems, devices and methods related to transmitters, and/or transceivers having a single, tunable oscillator in a dual conversion architecture. In various exemplary embodiments, this transmitter may inc...
|
|
WO/2010/048817A1 |
A signal phase difference measurement method, apparatus and system are provided. The measurement method includes: sampling no less than two signals by one sample channel (101), acquiring the amplitude information of the sampled signals (...
|
|
WO/2010/041163A2 |
A circuit arrangement is described comprising a first receiver configured to receive a first input signal, a second receiver configured to receive a second input signal, a first signal generator configured to generate a first pulse signa...
|
|
WO/2010/042809A1 |
An adaptive known signal canceller comprising of a known signal canceller filter responsive to a known signal including a known portion of a transmitted signal, the known signal canceller filter operative to generate a filtered known sig...
|
|
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,...
|
|
WO/2010/037608A1 |
A configurable passive mixer is described herein. According to one exemplary embodiment, the passive mixer comprises a clock generator, a controller, and a plurality of passive mixer cores connected in parallel. The clock generator compr...
|
|
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...
|
|
WO/2010/035359A1 |
An analog complex filter (101) synthesizes a common-mode signal (I0) and an orthogonal signal (Q0) and outputs analog signals (I1, Q1). Analog/digital converters (102i, 102q) convert the analog signals (I1, Q1) to digital signals (I2, Q2...
|
|
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...
|
|
WO/2010/031944A1 |
The invention relates to a method for processing two initial signals received by a single terminal and comprises: a first frequency translation of each initial signal so as to obtain four intermediate signals, that is, two phase signals ...
|
|
WO/2010/028972A1 |
For optical frequencies, there are systems known from the prior art which not only make it possible to represent an object two-dimensionally, but also detect it three-dimensionally, in other words to determine the distance between the ob...
|
|
WO/2010/028998A1 |
The present invention relates to a mixer for mixing signals at different frequencies that comprises a diode network formed by a pair of diodes mounted in an anti-parallel manner, the first linking point (C) of the diodes being connected ...
|
|
WO/2010/029972A1 |
Provided are a low-power/area-saving receiving device and method, wherein the receiving device of receiving a plurality of frequency channel signals to which received frequency hopping or frequency multiplexing is applied suppresses an i...
|
|
WO/2010/023502A1 |
A semiconductor device (300) comprises synthesized frequency generation logic (330) arranged to receive a reference signal (325), and to provide an output frequency signal (370). The synthesized frequency generation logic (330) comprises...
|
|
WO/2010/023627A1 |
A basic symmetric ∏/2 phase-detector receives four control signals that control a differential current at the detector's output. Each respective control signal is a linear combination of a respective pair of signals chosen from a first...
|
|
WO/2010/023783A1 |
In order to improve filtering characteristics of a complex filter constituted by passive elements with variable characteristics, a wireless or wired communication device (1) has a frequency converter (101), a low-pass filter (102) consti...
|
|
WO/2010/020617A2 |
A non-linear signal generation method and device are described where the phase of the nominally identical outputs from two non-linear devices are rotated by an angle θ with respect to each other. The output currents of both non-linear d...
|
|
WO/2010/015739A2 |
The circuit (7) for demodulating three mutually phase-shifted components of a baseband signal, in order to provide two quadrature demodulation components (I, Q), comprises – three circuit inputs (4, 5, 6), designed to receive respectiv...
|
|
WO/2010/016301A1 |
A phase comparator which allows solution of the problem that a phase difference cannot be discriminated, while suppressing increase in power consumption and a circuit area. A variable delay circuit (3) adjusts the phase of a signal (φ2)...
|
