Reference generation technique for multiple-reference amplifier

RF amplifier having a dual slope phase modulator

RF amplifier system having an improved power supply

RF amplifier system having improved power supply

RF amplifier system having PDM drive

RF power amplifier system employing AC-DC power supplies and...

RF power amplifier system having improved distortion reduction

Ringing signal generator employing delta-modulation power amplif

Sampling frequency reduction for switching amplifiers

Self oscillating class D amplification device

Self-controlled high efficiency power amplifier

Self-operating PWM amplifier

Self-oscillating driver circuit

Self-oscillating switching amplifier

Series energized transistor amplifier

Sigma-delta class-D amplifier and control method for a...

Sigma-delta modulator with feedback for power amplifiers

Signal amplifier circuit using a pair of complementary junction

Signal generating apparatus and class-D amplifying apparatus

Signal processing circuit