Explain transistor amplifier stages, biasing arrangements and the roles of individual components.
Compare amplifier gain, impedance, efficiency and distortion.
Interpret amplifier frequency response and explain bandwidth and capacitor effects.
Explain negative feedback and its effect on gain, stability and circuit performance.
Analyse basic operational-amplifier circuits and their common applications.
Describe oscillator operation and interpret analog input and output waveforms.
Answer written theory questions and present calculations in clear, separate steps.