The analysis will be done assuming ideal op-amp characteristics. The current entering the op-amp terminals is zero. Accordingly, the current coming from the source will essentially flow through R f.

With a price low enough that you can afford to keep a spare one handy, plus friendly social features like a built-in speaker, ...

Faculty composer Ryan Page discusses the appeal of scary movies and what makes the scores to films like John Carpenter's ...

The important circuits using diodes are rectifiers, clippers, clampers, and peak value storage devices. The circuit for a full-wave rectifier, or absolute value circuit or modulus value circuit is ...

If you ever wanted to build your own tube amplifier but you were intimidated by working with high voltages, [Marcel]’s low-voltage tube amp design might spark your interest. The design operates ...

With six classic microphone and cabinet configurations, and the original amp's green, orange, and red channel voicings, the ...

Universal Audio expands its superlative UAFX amp modelling pedal lineup with a high-gain tribute to a Eddie Van Halen’s ...

At $3,200 for the combo, Quad revives a 57-year old design for audiophiles seeking modern conveniences with retro nostalgia.

If you're looking to dig into the world of hi-fi systems that consist of a separate stereo receiver or integrated amplifier that powers a set of passive speakers — whether your passion is ...

A signal amplifier should only be used as a last resort when the television signal is weak. Even the best amplifier will still add some noise to the television signal it is amplifying/boosting ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The stereo amplifier is the beating heart of any hi-fi separates system. You can have all the ...