FesZ Electronics

FesZ Electronics is a channel about electronics projects made in the creator’s spare time. The stated aim is to make videos with real educational value, not just entertainment. Content ranges from tutorials to teardowns and experiments.

The focus is on analogue and radio frequency (RF) electronics. Videos design and test amplifiers, filters, baluns and switches, often comparing simulation with real measurements. There are tutorials on LTspice, a free circuit simulator used widely in industry. The style is calm and methodical, with plenty of graphs and test equipment on screen. Longer topics are split into numbered parts, so each video builds on the one before. Recent videos look at classic amplifier circuits, such as the differential amplifier.

Some highlights include:

The theory and design of gain block RF amplifiers, the building blocks used in radio and wireless systems.

An LTspice tutorial on measuring impedance in simulation, a useful skill for anyone designing circuits.

A look at filters built directly into the copper of a circuit board, and how well they perform when tested.

The channel has over 91,000 subscribers.

RF and analogue design are specialist skills that employers in telecoms, defence and space find hard to recruit. This channel shows what that work looks like in practice. It suits students who already enjoy electronics and want a clear picture of electronic and communications engineering.