Credit Points: 5
Prerequisites: Introduction to Linear Systems; Electronic Devices

Summary of transistor operation with an emphasis on effects relevant to analog circuit design. Large and small signal models of ideal diodes and PN junction. Zener diodes and basic voltage regulation circuits. Large and small signal models of bipolar junction transistors (BJT) at low frequency. Field effect transistors (MOSFET, JFET) principle of operation, large and small signal models. MOSFET enhancement and depletion transistors. Basic amplifier configurations (CE, CB, CC, CS, CG, CD). Classification of signal amplifiers by input and output impedances and voltage and current amplification. Basic DC current sources based on current mirror, basic, cascode, Widlar and Wilson configurations. Amplifiers with active loads based on current mirrors. Differential MOSFET and BJT amplifiers properties with matched and mismatched transistors. The differential and common mode gain. Operational amplifiers – ideal proprties vs practical non ideal. Slew Rate Offset votages and currents. Frequency response of amplifiers. Extension of small signal model to higher frequencies. Negative feedback amplifier analysis, two-port formulation, topology classification, impact on the amplifier gain and input and output properties. Output (power) stages: Class A, B and AB. Signal waveforms, transfer characteristics cross over distortion and power conversion efficiency. Power dissipation calculations and biasing methods. Active filters based on op. amp., sinusoidal oscillators. Nonlinear circuits for waveform shaping super diode and logarithmic amplifiers. Linear mode power supply for voltage rectification and regulation based op. amp. with feedback. Full analysis of 741 operational amplifier.