Even-Order Harmonics Calibration

Signal buffer amplifier

Audio compensation method and audio apparatus with class AB power amplifier

Amplifier circuit of capacitor microphone

Amplifier supporting multiple gain modes

Output stage with adaptive bias control

Integrated switchless programmable attenuator and low noise amplifier

High efficiency RF system linearizer using controlled complex nonlinear distortion generators

Ultra low noise high linearity LNA for multi-mode transceiver

Transconductance amplifier with improved linearity

Transconductance amplifier with a filter for rejecting noise outside the useful band

Frequency translation module frequency limiting amplifier

Method and system for a highly efficient power amplifier utilizing dynamic baising and predistortion

Scalable cost function generator and method thereof

Systems and methods for power amplifiers with voltage boosting multi-primary transformers

Apparatus and method for broadband amplifier linearization

Flexible dynamic range amplifier

Amplifier circuit

Amplifier circuit

RF SYSTEM LINEARIZER USING CONTROLLED COMPLEX NONLINEAR DISTORTION GENERATORS

Transconductance amplifier

Compensation of field effect on polycrystalline resistors

Input system for a variable gain amplifier having class-AB transconductance stages

Digital microphone

Post amplifier with selectable gain

Amplifier circuit

Amplifier with improved linearization

Operational amplifier

Linearized trans-impedance amplifiers

Reconfigurable high linearity low noise figure receiver requiring no interstage saw filter

Output distortion cancellation circuit

Providing pre-distortion to an input signal

Third order derivative distortion cancellation for ultra low power applications

Differential amplifier circuit and frequency mixer for improving linearity

Highly linear differential amplifier with a novel resistive source degeneration network

Low noise amplifier

Buffer device for switched capacitance circuit

Variable passive components with high resolution value selection and control

LNA having a post-distortion mode and a high-gain mode

Low-voltage wide-range linear transconductor cell

Variable-gain wide-dynamic-range amplifier

Low noise and low input capacitance differential MDS LNA

Bias circuit

High-linearity complementary amplifier

Gain control circuit

High linearity, high efficiency power amplifier with DSP assisted linearity optimization

Transconductor

Compensation of field effect on polycrystalline resistors

Variable gain amplifier having dual gain control

Pre-amplifier for a receiver and a method therefor

Common mode stabilization in a fully differential amplifier

Differential amplifier

DIFFERENTIAL PAIR CIRCUIT

Transconductance signal capacity format

Active circuits with load linearization

Low noise, low power, high linearity differential amplifier with a capacitive input impedance

Method and system for a highly efficient power amplifier utilizing dynamic biasing and predistortion

CONTROLLABLE PRECISION TRANSCONDUCTANCE

Input stage

Amplifying circuit

Amplifying circuit and associated linearity improving method

Multi-mode amplifier arrangement and method for controlling an amplifier arrangement

Fully integrated tuner architecture

Overdrive control system

TRANSCONDUCTOR AND MIXER WITH HIGH LINEARITY

Transconductance stage arrangement

Active circuit having improved linearity using multiple gated transistor

Active circuit having improved linearity using multiple gated transistor

Transformer circuit

Differential feedback amplifier circuit with cross coupled capacitors

Linear transconductor for RF communications

Operational amplifier selecting one of inputs, and an amplifying apparatus using the OP amplifier the verification method

Digital isolator with communication across an isolation barrier

Reduced jitter amplification methods and apparatuses

Linearized trans-impedance amplifier

Signal converter having compensation unit

Circuit to prevent load-induced DC nonlinearity in an op-amp

Audio power amplifier apparatus

System and method for distortion cancellation in amplifiers

Variable passive components with high resolution value selection and control

Variable gain amplifier and control method thereof

Systems and methods for power amplifiers with voltage boosting multi-primary transformers

Method and system for reducing AM/PM distortion in a polar amplifier

Transconductor

Method and system for a highly efficient power amplifier utilizing dynamic biasing and predistortion

Wideband active balun circuit based on differential amplifier

Class AB differential current conveyor input stage for a fully differential current feedback amplifier

Bias current compensation circuit for a differential input stage

Differential circuit

Multi-octave differential upconverter

Adaptive controller for linearization of transmitter with impairments

Continuous time common-mode feedback module and method with wide swing and good linearity

Selecting circuit

Current converter, frequency mixer, radiofrequency transmission system and method for frequency mixing

Continuous time common mode feedback circuit, system, and method

Amplifier circuit and communication device

Common mode regulation for thermal tail compensation

Linearization apparatus of triode region type operational transconductance amplifier

System and method for linearizing a CMOS differential pair

Low distortion radio frequency (RF) limiter

Pre-distortion apparatus

Tuneable circuit for canceling third order modulation

Method for double sampling loop negative feedback and double sampling negative feedback amplifier

High linearity low noise variable gain amplifier with continuous gain control

Input system for a variable gain amplifier having class-AB transconductance stages

Driving device

Biomedical signal instrumentation amplifier

Circuit for correcting signal distortions

Differential amplifier with active post-distortion linearization

Amplifier circuit

Dynamically compensated operational amplifier

Variable passive components with high resolution value selection and control

Controlling the ratio of amplification factors between linear amplifiers

Differential amplifying system

CMOS amplifier of filter for ultra wideband application and method of the same

Digital signal offset adjusting apparatus and pulse pattern generator using the same

Integrated switchless programmable attenuator and low noise amplifier

Circuits and methods for canceling signal dependent capacitance

Differential amplifiers

Differential circuit with improved linearity

Ultra high linearity amplifier

Method for reducing the 2order intermodulation level of a transconductor, and corresponding transconductor

Fully integrated tuner architecture

Microphone preamplifier

Method for transconductance linearization for DC-coupled applications

Neutralization of feedback capacitance in amplifiers

Linearity-improved differential amplification circuit

Integrated RF circuits

Temperature compensation for internal inductor resistance

Power amplifier arrangement, particularly for mobile radio, and method for determining a performance parameter

Distortion cancellation in a transimpedance amplifier circuit

Switched capacitor system with and method for output glitch reduction

Variable gain amplifier with temperature compensation and gain linearity enhancement

Linear amplifier

Input system for a variable gain amplifier having class-AB transconductance stages

Low phase shift implementation of the baseband circuitry of a Cartesian feedback loop

Operational amplifier, and amplitude modulator and transmitter using the same

Cross-talk reduction circuit and method therefor

Small signal amplifier with large signal output boost stage

Linear commutating amplifier

High linearity digital variable gain amplifier

High linearity digital variable gain amplifier

Low noise audio amplifier

Amplifier system and method

Method for high efficiency audio amplifier

Low-distortion differential circuit

DC offset calibration apparatus

Reducing noise and distortion in a receiver system

Log circuit and highly linear differential-amplifier circuit

Gain boosting RF gain stage with cross-coupled capacitors

Linear transconductance cell with wide tuning range

Multi-standard amplifier

Active circuit having improved linearity using multiple gated transistor

Non-match power amplifier and method for increased output 1 dB compression point

Variable-gain amplifier

Differential amplifier circuit and mixer circuit having improved linearity

Means for limiting an output signal of an amplifier stage

Monolithic CMOS differential LNA with enhanced linearity

Techniques to adjust vertical offset

System and method for linearizing a CMOS differential pair

Even order distortion elimination in push-pull or differential amplifiers and circuits

Amplifier circuits and their use in radio frequency transmitters

Linearized trans-impedance amplifier

Low-noise differential bias circuit and differential signal processing apparatus

Power amplifier

System and method for on-chip filter tuning

Differential amplifier

Communication semiconductor integrated circuit device and electrical apparatus

Transconductor circuit for compensating the distortion of output current

Transconductor circuit for compensating the distortion of output current

Bias circuit for a display driver operational amplifier

Ultra fast, low noise operational amplifier with dynamic biasing

OP-AMP CONFIGURABLE IN A NON-INVERTING MODE WITH A CLOSED LOOP GAIN GREATER THAN ONE WITH OUTPUT VOLTAGE CORRECTION FOR A TIME VARYING VOLTAGE REFERENCE OF THE OP-AMP, AND A METHOD FOR CORRECTING THE OUTPUT VOLTAGE OF SUCH AN OP-AMP FOR A TIME VARYING VOLTAGE REFERENCE

Integrated switchless programmable attenuator and low noise amplifier

Output stage for high gain and low distortion operational amplifier

Low-distortion differential circuit

High linearity, high efficiency power amplifier with DSP assisted linearity optimization

Transistor amplifier

Step gain-variable CMOS amplifier

Single-ended input, differential output low noise amplifier

Method of acquiring low distortion and high linear characteristic in triode-typed transconductor

High speed, high resolution amplifier topology

Method and corresponding circuit structure to correlate the transconductance of transistors of different types

Voltage-current converter with adjustable quiescent current

Variable attenuation system having continuous input steering

Multi-channel power amplifier with channels independently self-configuring to a bridge or single-ended output, particularly for audio applications

System and method for spurious signal detection and rejection

Differential power amplifier

Synthesizer—power amplifier interface in a wireless circuit

Preventing distortion in a differential power amplifier

Systems and methods for error correction in a communication device

Differential amplifier with extended bandwidth and THD reduction