Unit 1

Introduction to Analog Computing Systems: Analog systems versus Digital systems – Elements of analog system design, Op Amp Characteristics and Applications; Op-amp Block Diagram – Basic Differential Amplifier Configuration – Equivalent Circuit– DC Characteristics: Input bias current, Input offset current, Input offset voltage and Thermal drift – CMRR – AC characteristics: Slew rate and Frequency response; Op-amp Applications: Inverting, non-inverting and Differential Amplifiers – Scale Changer, Inverter, Inverting summing amplifier, Voltage follower, averager, Subtractor, Differentiator and Integrator, Log and Antilog Amplifiers, Multiplier and Divider, V to I and I to V Converters, Precision Rectifiers, Clipper and Clamper , Sample and Hold, Instrumentation Amplifier(using Three and Two op amp ), AC Amplifier and Peak detector

Unit 2

Comparators: Comparator–Applications of comparator: Zero crossing detector, Phase angle detector, Time marker generator and Window detector– Schmitt Trigger – Astable multivibrator – Monostable Multivibrator – Triangular Wave Generator; Signal generators: RC Phase shift oscillator and Wein bridge oscillator; Regulators: Series op-amp regulator, Fixed or Three terminal IC voltage regulator, General purpose high voltage and low voltage regulator using IC 723, Switched mode regulator: Buck and Boost

Unit 3

Active filters: First order and second order low pass and high pass filter, wide and narrow band pass filter, Wide and narrow band reject filter – Switched Capacitor (SC) filter–SC Integrator – FDNR; Data Converters: Specifications of DAC and ADC – DAC: Binary weighted resistor, R-2R and Inverted R-2R ladder Network– ADC: Flash type, Counter type, Tracking or Servo Type, Successive Approximation Type, Charge Balancing and Dual Slope- Monolithic DAC.

Course Objectives:

• Develop a foundational understanding of analog computing systems and differentiate between analog and digital systems.
• Acquire in-depth knowledge of op-amp characteristics, including DC and AC characteristics, and understand their applications in various amplifier configurations.
• Explore the design and applications of comparators, signal generators, and voltage regulators in analog systems.
• Gain proficiency in the design and analysis of active filters, including low pass, high pass, bandpass, and band reject filters, as well as data converters such as DACs and ADCs.

Course Outcomes:

After completing this course, students should be able to
CO1: Analyze analog computing systems, differentiating their key elements from digital systems.
CO2: Apply operational amplifiers in various configurations for amplification and signal processing.
CO3: Design signal generators, and voltage regulators for specific applications in analog systems.
CO4: Design active filters, including SC filters and data converters such as DACs and ADCs, meeting specified specifications in analog system design.

CO-PO-Mapping

1. Gayakwad, Ramakant, A. Op-amps and Linear Integrated Circuits. 4th Edition, Prentice Hall of India Pvt. Ltd. 2009.
2. Roy Choudhury, D. and Jain, Shail, B. Linear Integrated Circuits. 4th Edition, New Age International publishers. 2010.
3. Coughlin, Robert, F. and Driscoll, Frederick, F. Operational Amplifiers and Linear Integrated Circuits. 6th Edition, Prentice Hall. 2001.
4. Sergio Franco. Design with operational amplifiers and analog integrated circuit., 3rd Edition, Tata McGraw-Hill Education. 2002.
5. Sedra, Adel, S. and Smith, Kenneth, C. Microelectronic circuits. 5th Edition, Oxford University press. 2009.
6. NPTEL: http://nptel.ac.in/courses/117103063/