COURSE FILE

Syllabus & Scheme

RAJIV GANDHI PROUDYOGIKI VISHWAVIDYALAYA, BHOPAL

PROGRAMME: Electronics and Communication Engineering

COURSE: EC-802 CMOS Circuit Design

Category of course

Course Title Course

code

Credit-4C Theory paper (ES)

DC-23 CMOS Circuit Design

EC-802 L

3

T

1

P

2

Max. Marks-100

Min. Marks: 35

Duration: 3 hrs.

Course Contents

Unit I

Single-Stage Amplifier: Basic Concepts, Common Source Stage, Source Follower,

Common-Gate Stage, Cascode Stage.

Frequency Response of Amplifiers: General Consideration, Common-Source Stage, Source

Followers, Common-Gate Stage, Cascode Stage, Differential Pair.

Unit II

Differential Amplifier: Single-Ended and Differential Operation, Basic Differential Pair,

Common-Mode Response, Differential Pair with MOS Loads, Gilbert Cell.

Feedback Amplifier: General Consideration, Feedback Topologies, Effect of Loading,

Effect of Feedback on Noise.

Switched-Capacitor Circuits: General Consideration, Sampling Switches, Switched-

Capacitor Amplifier, Switched-Capacitor Integrator, Switched-Capacitor Common-Mode

Feedback.

Unit III

Oscillator: General Consideration, Ring Oscillator, Voltage Controlled Oscillator,

Mathematical Model of VCOs.

Phase-Locked Loops: Simple PLL, Charge-Pump PLLs, Non ideal Effects in PLLs,

Delayed-Locked Loops.

Unit IV

Sequential Circuit Design: Introduction, Sequencing Static Circuit, Circuit Design of

Latches and Flip-Flops, Static Sequencing Element Methodology.

Array Subsystem: Introduction, SRAM, DRAM, Read-Only Memory, Serial Access

Memories, Content-Addressable Memory, Programmable Logic Arrays.

Unit V

Datapath Subsystems: Introduction, Addition/Subtraction, One/Zero Detector, Comparators,

Counters, Boolean Logic Operation, Coding, Shifters, Multiplication, Division, Parallel-

Prefix Computations.

References:

1. B. Razavi: Design of Analog CMOS Integrated Circuits, TMH Publication.

2. Weste, Harris and Banerjee: CMOS VLSI Design, Pearson Education

3. J. M. Rabaey, Digital Integrated Circuits, PHI Learning.

4. R. Jacob Baker: CMOS-Circuit Design, Layout and Simulation, Wiley.

5. A. A. Raj and T. Latha: VLSI Design, PHI Learning.

List of Experiments:

Practicals should be performed using any Electronic Design Automation (EDA) - eg.

Microwind / Cadence / Sylvaco / Tanner silicon HiPer / Xilinx ISE 9i or any similar

software.

1. Design and simulation of: (a) Common source amplifier (b) Source follower amplifier

(c) Common gate amplifier (d) Cascode amplifier.

2. Estimation of frequency response of: (a) Common source amplifier (b) Source follower

amplifier.

(c ) Common gate amplifier (d) Cascode amplifier.

3. Design and simulation of differential amplifier.

4. Design and simulation of feedback amplifier.

5. Design and simulation of oscillators: (a) Ring Oscillator (b) L-C Oscillator (c) Voltage

controlled Oscillator.

6. Design and simulation of: (a) Adder (b) Subtractor (c) One/zero detectors (d) Comparator

(e) Counter (f) Multiplier (g) Divider.

Academic calendar

Time Table

Lecture Plan

LECTURE PLAN

Format No. EC/12/13

Issue 01

Page No: 12 / 1

Department Electronics & communication Session : 2012-2013

Name of Teacher Er. PRADEEP RAGHUWANSHI Semester Even

Subject CMOS Circuit Design Sub. Code EC-802

TIME SCHEDULE : Total expected periods: 50, Extra periods (if required)

Day Mon Tue Wed Thu Fri Sat Max.

available

No. of

Periods - - - - - - -

Lect. Topics to be covered Date of

Completion Remarks

1. Unit I: Single-Stage Amplifier: Basic Concepts.

2. Common Source Stage, Source Follower.

3. Common-Gate Stage, Cascode Stage.

4. Frequency Response of Amplifiers: General Consideration, Common-Source Stage.

5. Source Followers, Common-Gate Stage.

6. Cascode Stage, Differential Pair.

7. Numerical

8. Unit II: Differential Amplifier: Single-Ended and Differential Operation.

9. Basic Differential Pair, Common-Mode Response.

10. Differential Pair with MOS Loads, Gilbert Cell.

11. Feedback Amplifier: General Consideration, Feedback Topologies.

12. Continue this topic…..

13. Effect of Loading, Effect of Feedback on Noise.

14. Switched-Capacitor Circuits: General Consideration, Sampling Switches.

15. Switched-Capacitor Amplifier, Switched-Capacitor Integrator.

16.

Switched-Capacitor Common-Mode Feedback.

Numerical

17. Unit III: Oscillator: General Consideration, Ring Oscillator.

18. Voltage Controlled Oscillator, Mathematical Model of VCOs.

19. Phase-Locked Loops: Simple PLL.

20. Charge-Pump PLLs

21. Non ideal Effects in PLLs

22.

Delayed-Locked Loops.

Numerical

23. Unit IV: Sequential Circuit Design: Introduction,

Sequencing Static Circuit.

24. Circuit Design of Latches and Flip-Flops.

25. Static Sequencing Element Methodology.

26. Array Subsystem: Introduction, SRAM.

27. DRAM

28. Read-Only Memory

29. Serial Access Memories

30. Content-Addressable Memory

31. Programmable Logic Arrays. Numerical

32. Unit V: Datapath Subsystems: Introduction.

33. Addition/Subtraction.

34. One/Zero Detector.

35. Comparators.

36. Counters.

37. Boolean Logic Operation.

38. Coding(Coder)

39. Shifters.

40. Multiplication(Multiplier), Division

41. Parallel-Prefix Computations.

42. Numerical.

Prepared By : A.P. Pradeep Raghuwanshi Approved By (HOD):

Name of Reference books

Name of reference books:-

Sl. No. Author Name of the book Publication

1. B. Razavi

Design of Analog

CMOS Integrated

Circuits

TMH Publication

2. Weste, Harris and

Banerjee

CMOS VLSI

Design Pearson Education

3. J. M. Rabaey Digital Integrated

Circuits PHI Learning

4. R. Jacob Baker

CMOS-Circuit

Design, Layout and

Simulation

Wiley

5. A. A. Raj and T.

Latha VLSI Design PHI Learning

Tutorials

TUTORIAL CMOS CIRCUIT DESIGN

UNIT I Single-Stage Amplifier:

UNIT I. Frequency Response of Amplifiers

UNIT II Differential Amplifier

FIG. 4.39

FIG. 4.40

FIG. 4.41

FIG. 4.42

FIG 4.43

FIG.4.44

FIG.4.44

Mid semester question

Papers

B.E. (Eighth Semester) MID SEM EXAMINATION, March., 2012

(Electronics & Communication Engg. Branch)

CMOS CIRCUIT DESIGN [EC-802]

Time: Two hours, Max. Marks: 50, Pass Marks: 18

Note: Attempt any five questions .All questions carry equal marks.

Unit - I

Q1. Draw the analog design octagon and explain how the trade of between various

parameters is obtained?

Q2. Discuss the single-stage common –source amplifier and also derive the equation for its

voltage gain.

Q3. Discuss the single-stage common –gate amplifier and also derive the equation for its

voltage gain.

Q4. Discuss the single-stage Cascode amplifier and also derive the equation for its voltage

gain.

Q5. Discuss the single-stage Source Follower amplifier and also derive the equation for its

voltage gain.

Q6. Discuss the single-stage Differential Pair amplifier and also derive the equation for its

voltage gain.

B.E. (Eighth Semester) PUT EXAMINATION, April., 2012

(Electronics & Communication Engg. Branch)

CMOS CIRCUIT DESIGN [EC-802]

Time: Three hours, Max. Marks: 100, Pass Marks: 35

Note: Attempt any five questions .All questions carry equal marks.

Q1 (a) Draw the analog design octagon and explain how the trade of between

various parameters is obtained?

(b). Discuss the single-stage Cascode amplifier and also derive the equation for its

voltage gain

Or

Q2 (a) Discuss the single-stage Cascode amplifier and also derive the equation for its

voltage gain.

(b). Discuss the single-stage Differential Pair amplifier and also derive the

equation for its voltage gain.

Q3. (a) Explain how Gilbert cell can be used in differential amplifier. Also draw neat

circuit diagram of Gilbert cell.

(b) Discuss how the feedback circuits in amplifier help in:

(i) Gain desensitization

(ii) Impedance modification

Or

Q4. (a) Draw a basic switched–capacitor amplifier and explain its operation. How is it

different from conventional amplifier?

(b) Explain how Differential Pair with MOS Loads can be used in differential

amplifier. Also draw neat c ircuit diagram of Differential Pair with MOS Loads.

Q5. (a) Explain why a single common source (CS) stage does not oscillate if it is

placed in unity gain loop.

(b) Draw a differential implementation of ring oscillator. Explain how it works.

Also calculate the maximum voltage swing of each stage.

Or

Q6. (a) Draw the basic block diagram of phase locked loop (PLL) and explain its

operation with neat waveform.

(b) Explain how a master slave D flip-flop can be used a phase/frequency

detector. What are its limitations?

Q7. (a) Draw and explain the architecture of 4 x 6 MOS NAND ROM with suitable

example and compare it with MOS NOR ROM with respect to:

(i) Layout area

(ii) Voltage swing

(iii) Propagation delay

(b) Discuss the operation of one transistor dynamic cell. Explain the read write and

refresh operations with the help of path diagram and associated waveforms.

Or

Q8. (a) Discuss the architecture of a 3-input, 2 output PLA. Implement the following

function through the above PLA device:

f0 = x1 + x

f1 = x0x1x2 +x2+x0x1

(b) Discuss in detail Content Addressable Memory (CAM) and its applications.

Q9. (a) Draw the transistor level circuit diagram of a positive edge triggered D flip-

flop with synchronous set and reset control signals and explain its operation.

(b) A parity generator is to be implemented for data path subsystem. Draw its

conventional implementation using XOR gate. Also explain its CMOS dynamic version.

Or

Q10. (a) List various types of adders used in data path sub- systems. Explain with

block diagram carry select adder. How does it increase the speed of operation?

(b) List various binary multiplication algorithms. Discuss Wallace-tree

Multiplication algorithm with appropriate example.

University question papers

Class-Notes

LECTURE NOTES OF CMOS CIRCUIT DESIGN(EC-802)

Attendance