Junction FET (JFET) and MOSFET characteristics, biasing, and small-signal modeling.

Do not just read through the derivations. Grab a notebook and write out the equations manually to build muscle memory for exams.

– Your university may have a subscription to e-resources like VTU e-Learning, NPTEL, or local digital libraries.

for self-sustained oscillations in circuits like Wien bridge, Hartley, and Colpitts oscillators Google Books Operational Amplifiers (Op-Amps):