Audio – amplifiers, preamplifiers, analog signal processing (filters, effects), transducers, impedance adapters, simple guitar effects schematics

Lighting – leds, lasers, bulbs

Power – transformers, analogue power supplies, design examples

RF – TX/RX, measurements

KnowledgeOhm’s law, Kirchhoff’s circuits laws, Thévenin’s theorem, filters, amplifiers


– analog projects temporary suspended, the audio and power sections will be back soon –


– here we are testing some ads in order to support some of the expenses