[Tim] wanted to help out a ECE student struggling with some Op-Amp problems ... What he does is show how this — like most circuit solving problems — depends on how you group the components ...

implementing as it does a complete simple op-amp with five transistors. Looking at the circuit diagram it follows the classic op-amp with a long-tailed pair of NPN transistors driving a PNP gain ...

This high-resolution audio amplifier delivers exceptional sound quality with a simple yet efficient circuit design. Engineered for powerful performance, it enhances audio output with clarity and ...