publication . Conference object . 2003

An Analog Integrated Circuit Design Laboratory

A.F. Mondragon-Torres; T. Mayhugh; J.P. de Gyvez; J. Silva-Martinez; E. Sanchez-Sinencio;
Open Access English
  • Published: 01 Jan 2003
  • Publisher: Institute of Electrical and Electronics Engineers
  • Country: Netherlands
Abstract
We present the structure of an analog integrated circuit design laboratory to instruct at both, senior undergraduate and entry graduate levels. The teaching material includes: a laboratory manual with analog circuit design theory, pre-laboratory exercises and circuit design specifications; a reference web page with step by step instructions and examples; the use of mathematical tools for automation and analysis; and state of the art CAD design tools in use by industry. Upon completion of the course, the students have skills for an entry level analog designer position.
Subjects
ACM Computing Classification System: ComputingMilieux_COMPUTERSANDEDUCATION
free text keywords: Electronic circuit design, Integrated circuit design, IC layout editor, Electronic design automation, Physical design, Electronic engineering, Computer science, Circuit design, Mixed-signal integrated circuit, Design layout record

3. LABORATORY ORGANIZATION

1. Introduction: Review of the Cadence design system and of the UNIX. Basics of CAP and dc SIM.

2. Layout Design: LAY techniques: unit size transistors; common centroid and interdigitized structures; and dummy transistors.

3. MOS Device Characterization: KP, VT, λ and γ are extracted through SIM and MEA. The parametric (PAR) analysis is introduced.

4. Current Mirrors: Simple, cascode, feedback and low-voltage. Design constraints: Zin, Zout, compliance, accuracy and complexity. Analyses: dc, ac and PAR. Run LVS. ac analysis is introduced.

5. Inverting Amplifiers: Current Mirror Load, Digital CMOS, PMOS with self biased load and self biased CMOS. Design constraints: GBW, PM and AV0. The effects of power supply, source resistance and load capacitance are investigated. Analyses: dc and ac. PSM is introduced.

6. Differential Amplifiers: Simple and cascode current mirrors. Design constraints: ADM, ACM, CMRR, CMR and SR. Analyses: dc, ac and transient (TRAN). TRAN analysis is introduced.

7. Operational Transconductance Amplifiers (OTA): Symmetrical OTA. Design constraints: GM and SR. Analyses: dc, ac and TRAN. The static power (PW) dissipation is measured and reported.

8. Operational amplifiers (OP): Three stage OP. Design constraints: ADM, ACM, CMRR, PSRR, GBW, PM, Zout, SR and PW. Monte-Carlo analysis is introduced, the ac response is used to explore the effect of random variations on parameters.

9. Analog System: Continuous low pass filter. Macromodelling is introduced.

10. Switched Capacitor Integrators: Use of transmission gates, capacitors and OP. The grading policy applies 50% to the laboratory reports, 40% to the pre-laboratory exercises and 10% to random assigned five minutes quizzes.

4. TEACHING MATERIAL 4.1. Laboratory Manual The laboratory manual is the foundation of this laboratory, it contains the guidelines and the required theory to perform each design. The structure of each laboratory session is as follows: Objectives, Introduction, Design Description, Simulation and Layout procedure, Test Procedure, Pre-Laboratory, Laboratory week 1, Laboratory week 2 and References.

4.2. Web Page A WWW site has been created to complement the laboratory lectures [2]. This resource has proved to be a very useful tool. During the laboratory session, the student can follow the explanation given by the TA by

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publication . Conference object . 2003

An Analog Integrated Circuit Design Laboratory

A.F. Mondragon-Torres; T. Mayhugh; J.P. de Gyvez; J. Silva-Martinez; E. Sanchez-Sinencio;