Device and method for receiving and demodulating an amplitude-modulated RF signal

Pulse measurement in optical imaging

Phase spectrum based delay estimation method and module

CIRCUITS AND SYSTEMS FOR WIDEBAND QUADRATURE SIGNAL GENERATION

Transmission system and method

Circuits and systems for wideband quadrature signal generation

Circuits for wireless communication on multiple frequency bands

Method and system for controlling phase of a signal

Apparatus and a method for generating a radio frequency signal

All digital multi-channel RF transmitter for paralel magnetic resonance imaging with SSB modulation

I/Q modulator and demodulator with wide instantaneous bandwidth and high local-oscillator-port-to-radio-frequency-port isolation

System and method for decoding block of data received over communication channel

Methods and apparatus for processing audio signals

Quadrature modulator

Quadrature power amplifier having increased efficiency

Method and apparatus for transmitting and receiving signal

Measurement of DC offsets in IQ modulators

Methods and apparatus for processing audio signals

Serial communication protocol for medical device

Modulator and an amplifier using the same

RF I/Q Modulator with Sampling Calibration System

Highly optimized digital IQ transmitter chain

Feedback compensation detector for a direct conversion transmitter

Apparatus and method of differential IQ frequency up-conversion

Modulation method and apparatus

Method, system and apparatus for balanced frequency up-conversion of a baseband signal

Resonant power converter for radio frequency transmission and method

Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments

Modulation method and apparatus

Down-conversion of an electromagnetic signal with feedback control

Semiconductor integrated circuit for communication

Method and arrangement for generating a frequency-modulated signal

Method, system, and apparatus for balanced frequency up-conversion of a baseband signal

Feedback compensation detector for a direct conversion transmitter

Apparatus and method of differential IQ frequency up-conversion

Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments

System and method for frequency translation with harmonic suppression using mixer stages

Down-conversion of an electromagnetic signal with feedback control

Signal conditioning circuit with a shared oscillator

Direct conversion device with compensation means for a transmission path of a wireless communication equipment

FM TRANSMITTER

Feedback compensation detector for a direct conversion transmitter

Quarter duty cycle pulse generator for interleaved switching mixer

Highly optimized digital IQ transmitter chain

Polar signal generator

Linear and polar dual mode transmitter circuit

METHOD AND SYSTEM FOR A DISTRIBUTED QUADRATURE TRANSCEIVER USING PHASE SHIFTING

Modulation/demodulation apparatus and modulation/demodulation method

DIGITAL INTEGRATED TRANSMITTER BASED ON FOUR-PATH PHASE MODULATION

Multi-mode modulator

On-off keying-7-phase shift keying modulation system and method for fiber communication

Techniques for performing gain and phase correction in a complex radio frequency receiver

Method and system for spur suppression in modulators

METHOD AND APPARATUS FOR GENERATING OUTPHASED SIGNALS

Local oscillator with non-harmonic ratio between oscillator and RF frequencies using wideband modulation spectral replicas

Fast hopping frequency synthesizer using an all digital phased locked loop (ADPLL)

Polar modulating circuit, polar coordinate modulating method, integrated circuit and radio transmission device

Phase modulator

Transmitter architecture

Alternating quadratures differential binary phase shift keying modulation and demodulation method

Apparatus and method of differential IQ frequency up-conversion

Modulation device for a transmission path, method for signal processing in a transmission path, and transmission path having the modulation device

Computational circuits and methods for processing modulated signals having non-constant envelopes

Apparatus and method for digitally implementing a wideband multicarrier

Direct-conversion transmitter circuit and transceiver system

Quadrature modulation apparatus, method, program, and recording medium

Modulation method and apparatus

Digital rf transceiver with multiple imaging modes

System and method for frequency translation with harmonic suppression using mixer stages

Apparatus and method for communicating an input signal in polar representation

Multiple band transceiver

FM transmitter

Modulator

Method and device for estimating IQ imbalance

Wireless RF link for uncompressed transmission of HDTV signals

Direct-conversion transmitting circuit and integrated transmitting/receiving circuit

Independent LO IQ tuning for improved image rejection

Method and apparatus for a fully digital quadrature modulator

Method and device for generating two signals in phase quadrature for a frequency transposition in a cellular mobile telephone

Fast hopping frequency synthesizer using an all digital phased locked loop (ADPLL)

Frequency translator using a cordic phase rotator

Operational amplifier, and amplitude modulator and transmitter using the same

Semiconductor integrated circuit for communication

Efficient modulation of RF signals

Direct conversion delta-sigma transmitter

System and method for narrow bandwidth amplitude modulation

Methods and systems for utilizing universal frequency translators for phase and/or frequency detection

Feedback compensation detector for a direct conversion transmitter

Method and apparatus for quadrature modulation techical field

Direct frequency modulation system having an IQ mixer in the phase locked loop

2-order sub-harmonic frequency modulator having high carrier suppression ratio and direct conversion transmitter using the same

Voltage-controlled oscillator and quadrature modulator

Method and system for frequency up-conversion with a variety of transmitter configurations

Digital modulator employing a polyphase up-converter structure

Reconfigurable transmitter with direct digital to RF modulator

Polar transmitter with digital to RF converter

Apparatus and method for adjusting quadrature modulator, communication apparatus and program

Universal platform module and methods and apparatuses relating thereto enabled by universal frequency translation technology

DC offset, re-radiation, and I/Q solutions using universal frequency translation technology

Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations

RF transmitter using digital-to-RF conversion

Frequency conversion techniques using antiphase mixing

Method, system, and apparatus for balanced frequency up-conversion, including circuitry to directly couple the outputs of multiple transistors

Electronically programmable multimode circuit

System and method for an improved quadrature upconverter for I/Q modulation using intermediate frequency carriers

System and method for frequency translation with harmonic suppression using mixer stages

Frequency based modulator compensation

Apparatus for continuous phase quadrature amplitude modulation and demodulation

System and method for frequency translation with harmonic suppression using mixer stages

Pseudo-polar modulation for radio transmitters

DC offset cancellation

Apparatus and method for carrier feedthrough cancellation in RF upconverters

Method and apparatus for RF carrier feedthrough suppression

Semiconductor integrated circuit for communication

Compensation of the IQ phase asymmetry in quadrature modulation and demodulation methods

Resilient channel and broadcast modulation