Analog and Digital Circuits – EE5400
Course No : EE5400
- Physical structure and equivalent circuit models (large and small signal) of diode. Zener, photo-diode, Vari-cap, Schoktty diode, tunnel diode, power diode. Solar cell, direct band gap materials. Load line, graphical and iterative methods to obtain the current in a circuit that has a linear element like resistor and a non-linear device like diode. Rectifier circuits, Peak detector, voltage doubler, Shunt regulator using zener diodes.
- Physical structure and large and small signal models of BJT. Hybrid p model with Early effect, Logic Inverter, transistor as a switch, CE amplifier, biasing network, basic current
- mirror, current steering circuits, improved current mirrors such as Wilson current mirror, Widlar current source, etc.
- BJT differential pair, CMRR, active loads, Darlington pair, cascade amplifier, BJT based input differential amplifier, intermediate stage and output stages of a typical operational amplifier.
- Physical structure and large and small signal models of MOSFETs, biasing, differential amplifier, current mirrors, improved current mirrors using MOSFETs, enhancement load device, body effect, active loads, CMOS Technology, NMOS inverter, NMOS inverter with active load, Design of CMOS inverters.
- Frequency response of BJT and MOSFET based CE amplifiers and differential amplifiers, High frequency models and equivalent circuits.
- Op-amp fundamentals, basic circuits like integrator, practical integrator, buffer, inverting, non-inverting, differential and instrumentation amplifiers, negative impedance converter, generalized impedance converter.
- Static opamp limitations and compensating methods including on-chip, external and auto-zero schemes, chopper stabilized amplifiers.
- Switched-capacitor circuits, filters, precision rectifier circuits, current sources for floating and grounded loads, current amplifier, controlled positive feedback to increase input impedance, active compensation for input capacitance.
- Dynamic opamp limitations, slew rate, Full power band width, Noise, frequency response of opamps, Feedback stability issues and frequency compensation methods, log/antilog amplifiers, analog multipliers, Transconductance and transimpedance amplifiers.
- ADCs and DACs.
- PLL and applications.
- Protection circuits for opamps, input and output over voltage and current protection, supply bypassing, avoiding faulty conditions, interference noise, shielding and guarding, dc leakage paths, Earth loops.
- Digital-overview, consensus theorem, timing analysis, static and dynamic hazards, multi level NAND and NOR Gate circuits, CMOS NAND and NOR Gates.
- Latches, racing, master salve flip-flops, characteristic equations, sequential circuits.
- Synchronous state machine analysis, Moore and Mealy machines, state table, state diagram, design of synchronous state machines, ASM chart, design using programmable devices like PAL, PLA, FPGA etc.
- Laboratory Part: 6 analog and 4 Digital Experiments
Text Books :
- Sedra and Smith, ‘Microelectronic circuits’.
- Donald A Neamen, ‘Electronic circuit analysis and design’.
- Ananth Agarwal, ‘Foundations of analog and digital electronics’.
- Jerald G Graeme, ’Operational amplifiers –Design and applications’.