EDN

Class A Power Amplifier with 40W Output

The circuit was designed to produce an audio power amplifier that operates in the range of Class A type while providing a power output of 40 Watts. Class A – refers to an output stage where the bias ...
EDN

Class A Power Amplifier with 60 Watts Output

The circuit is all about a power amplifier that can provide a power output of 60 W while operating in Class A mode. Class A – refers to an output stage where the bias current is greater than the ...
eCoustics

Hegel H200 and A200 Integrated Amplifiers Make You Choose Between Streaming and Pure Analog

The H200 is the obvious choice for listeners who want streaming, digital playback, vinyl, headphones, and loudspeaker ...
eCoustics

PS Audio PMG S400 and S200 Bring Signature Amplification Into a Single Chassis

PS Audio’s PMG S400 and S200 stereo amplifiers offer up to 400 watts per channel, Class A bias and active power supplies from ...
Electronic Design

How Do Operational Amplifiers Operate?

Though sometimes taken for granted, designers shouldn’t overlook the intricacies of voltage- and current-feedback op amps—integral players in the analog and mixed-signal worlds. Op amps amplify tiny ...