The input stage of an amplifier performs the critical duty of subtracting the feedback signal from the input, to generate the error signal that drives the output. It ...

Before the latest IEC61000-3-2 standard took effect in 2005, most power supplies for PCs, monitors, and TVs generated excessive line harmonics when operating from single-phase, 110- to 120-V, 60-Hz ac ...

National Semiconductor Corporation (www.national.com) has added two 200V mono audio power amplifier input stages to its high-fidelity LME audio amplifier family. National Semiconductor Corporation has ...

Rectifier systems play a critical role in the conversion of alternating current (AC) to direct current (DC) in a variety of applications including industrial drives, renewable energy integration, and ...

Abstract: This paper proposes a semi-analytical method for analyzing harmonic-tuned power amplifiers that incorporates input harmonics and nonlinear output I-V knee characteristics for the first time.

How to maximize the efficiency of a power amplifier by shaping the current and voltage waveforms with harmonic currents. July 17th, 2019 - By: Wolfspeed, a Cree Company A novel design method without ...

Abstract: A high frequency carrier PWM regulator used for various types of switch-mode power converters are based on the digital or analog signal comparison processing. The voltage-mode or ...

SANTA CLARA, Calif. – January 15, 2008 – National Semiconductor Corporation (NYSE: NSM) today extended its high-fidelity LME™ audio amplifier family with the introduction of a pair of 200V mono audio ...

Previously, you found your transformer had excess harmonics on the load side. The next step is to look at the primary side. The easiest place is probably at the panel supplying this transformer. That ...

Linear Tech is aiming at high-impedance sensor transimpedance amplifiers with an op-amp that requires only 3fA of bias current (typical at 25°C) while offering 500MHz gain bandwidth product. Potential ...