The debate still goes on as to which are better, valves or transistors. We don’t intend to get involved in that argument here. But if you can’t make your mind up, you should try out this simple ...

Make a portable audio simple amplifier. Homemade amplifier for speakers Strait of Hormuz projectile hits ship as US blockade redirects 45 vessels Scientists discover surprising effect of drinking ...

Andy recommends favorite resources for basic op amp circuits and includes a portion of TI's AN-20. Test your knowledge with our op amp quiz; answer explanations are included. By 1969, a fledgling ...

In Seemingly Simple Circuits: Transresistance Amplifier, Part 1– Approximating Op-Amps, the op-amp was approximated from a single-pole, finite gain amplifier to an infinite-gain, single-pole op-amp, ...

Sound quality is ephemeral and next to impossible to quantify, so it’s no wonder most audio companies load on features to attract new customers. We buy audio to listen to music when it’s all said and ...

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 ...