Advanced techniques in analog integrated circuits design

Course Description

CMOS and bipolar transistor models used in circuit simulators. Integrated passive components and their models. Comparison of CMOS and bipolar technology. Technology integration. Design techniques for minimization of component mismatch. Methods for improved linearity and low noise performance. Discrete time analog circuits. Electronic switches in submicron technologies. Sample and hold circuits. Switched capacitor circuits. Comparators. Circuit techniques for reducing the effects of Op-Amp imperfections: offset voltage, 1/f noise, finite gain. Deriving the specification for circuit blocks of mixed-signal system. Applications in communications and data acquisition.

General Competencies

Students will be introduced with the advanced models of active and passive components used in the circuit simulators. They will gain understanding of the limitations of CMOS and bipolar technologies. They will be able to estimate how technology scaling and technology integration influence analog circuit performance. Students will learn circuit techniques and analog layout design techniques for good component matching. They will be able to assess linearity and noise requirement for circuit blocks within electronic system. Students will understand operation principle of the analog circuit blocks used in analog-to-digital conversion. They will be introduced with the switched-capacitor circuits and their applications. They will understand limitations and learn design techniques for their reduction.

Learning Outcomes

  1. Apply active and passive device models in circuit simulators
  2. Estimate the limitations of CMOS and bipolar technology
  3. Analyze noise and linearity performance of basic analog integrated circuits
  4. Analyze the operation of switched-capacitor circuits
  5. Apply auto-zero techniques for offset voltage compensation
  6. Explain circuit techniques for reducing the effects of Op-Amp imperfections
  7. Apply analog layout techniques

Forms of Teaching

Lectures

Exams

Laboratory Work

Experimental Exercises

Seminars

Grading Method

     
Continuous Assessment Exam
Type Threshold Percent of Grade Threshold Percent of Grade
Class participation 0 % 20 % 0 % 20 %
Seminar/Project 20 % 40 % 20 % 40 %
Mid Term Exam: Written 0 % 20 % 0 %
Final Exam: Oral 20 %
Exam: Written 50 % 20 %
Exam: Oral 20 %

Week by Week Schedule

  1. CMOS and bipolar transistor models used in circuit simulators.
  2. Integrated passives: resistors, capacitors and inductors.
  3. Comparison of bipolar and CMOS technology. BiCMOS technology. Technology caracterization with respect to gain, linearity, noise and component matching.
  4. Linearity and noise. Calculation of noise figure and linearity in cascaded system.
  5. Linearity and noise. Example of radio receiver. Setting the specification for low-noise amplifier and mixer.
  6. Electronic switches. Driving circuitry for electronic switches. Problem of charge injection during turn-off.
  7. Sample and hold circuits. Asymmetric and fully-differential circuits. Setting the value of sampling capacitor. kT/C noise.
  8. Sample and hold circuits. Auto-zeroing techniques. Demands on Op-Amp specification.
  9. Switched capacitor circuits. Amplifier, integrator. Application in filters.
  10. Techniques for reduction of Op-Amp imperfections: finite gain, offset voltage and 1/f noise.
  11. Techniques for reduction of Op-Amp imperfections: finite gain, offset voltage and 1/f noise.
  12. Voltage comparators. Open-loop Op-Amp as a comparator. Propagation delay and resolution of comparator.
  13. High-speed comparators. Auto-zeroing techniques. Comparators with pre-amplifier and latch.
  14. Setting the specifications of the circuit blocks in a more complex electronic systems.
  15. Final exam

Study Programmes

University graduate
Electronics (profile)
Recommended elective courses (3. semester)

Literature

Behzad Razavi (2000.), Design of Analog CMOS Integrated Circuits, McGraw-Hill
P. Gray, P. Hurst, S. Lewis, R. Meyer (2009.), Analysis and Design of Analog Integrated Circuits, Wiley
Behzad Razavi (2011.), RF Microelectronics, Prentice Hall

General

ID 127249
  Winter semester
4 ECTS
L2 English Level
L1 e-Learning
30 Lectures
0 Exercises
0 Laboratory exercises
0 Project laboratory

Grading System

88 Excellent
75 Very Good
62 Good
50 Acceptable