Ripple Reduction Using Chopper Amplifiers

PUSH-PULL POWER AMPLIFIER

SWITCHING AMPLIFIER CIRCUITRY

CHOPPER AMPLIFIER CIRCUITS AND METHOD FOR OPERATING CHOPPER AMPLIFIER CIRCUITS

INSTRUMENTATION AMPLIFIER AND SIGNAL DETECTION SYSTEM

METHODS AND APPARATUS TO REJECT CURRENT RIPPLE

Inductive interface circuits having ripple-reduction loops

SWITCHING AMPLIFIER CIRCUITRY

PUSH-PULL POWER AMPLIFIER

Operational amplifier for use in coulomb counter circuit

Method to reduce noise in microphone circuits

Fast settling ripple reduction loop for high speed precision chopper amplifiers

Outphasing power combiner

CHOPPER AMPLIFIER CIRCUITS AND METHOD FOR OPERATING CHOPPER AMPLIFIER CIRCUITS

RF power source with improved galvanic isolation

Chopper system and method

Outphasing power combiner

Capacitive-coupled chopper instrumentation amplifiers and associated methods

Outphasing power combiner

Sampled moving average notch filter for ripple reduction in chopper stabilized operational amplifiers

Chopper amplifier

High input impedance, high dynamic range, common-mode-interferer tolerant sensing front-end for neuromodulation systems

Chopper stabilized amplifier with parallel notch filters

Amplifying device comprising a compensation circuit

Capacitively coupled chopper amplifier

Chopper amplifiers with high pass filter for suppressing chopping ripple

Closed-loop digital compensation scheme

Capacitive-coupled chopper instrumentation amplifiers and associated methods

Amplifier with auxiliary path for maximizing power supply rejection ratio

Ripple reduction method for chopper amplifiers

Class D amplifier

Multi-Frequency tunable low noise amplifier and multi-frequency tuning implementation method therefor

High dynamic range sensing front-end for neural signal recording systems

Single-end amplifier and noise cancelling method thereof

Multistage amplifier circuit with improved settling time

Class-D amplifier

Hybrid power module

Chopper-stabilized amplifier and method therefor

Fast-settling capacitive-coupled amplifiers

Chopper amplifier

Linear amplifier power supply modulation for envelope tracking

FEEDFORWARD ACTIVE DECOUPLING

Circuit and method for amplifying a digital signal

Audio amplifier with closed-loop power

Amplifier circuitry, integrated circuit and communication unit

Modulated Triangular Wave Amplifier

Electronic device for microwave apparatuses onboard a satellite

Apparatus and method for controlling distortions of amplifier

Power conversion regulator with predictive energy balancing

Semiconductor circuit for performing signal processing

Power amplifier system provided with improved protection function

Device

Modulated triangular wave amplifier

Differential input Class D amplifier

Notch filter for ripple reduction in chopper stabilized amplifiers

Amplifier input switch configuration with improved PSRR

Amplifier feedback switch configuration with improved PSRR

Digital amplifier

Switching amplifier

System for dynamic time offsetting in interleaved power amplifiers

Power conversion regulator with exponentiating feedback loop

Method and apparatus for implementing soft switching in a class D amplifier

Power conversion regulator with predictive energy balancing

Method and apparatus for reducing ripple in class D amplifiers

Power amplifier system provided with improved protection function

Method and apparatus for reducing ripple in Class D amplifiers

Systems for pseudo-BD modulation

Modulated triangular wave amplifier

Method and apparatus for reducing ripple in class D amplifiers

Method and apparatus for extending the bandwidth of a Class D amplifier circuit

Class D audio amplifier and method for compensation of power supply voltage influence on output audio signal in class D audio amplifier