Analog Integrated Circuit Design

CMOS Imagers and Vision Microsystems

 

 Advanced course on devices, mixed mode analog/digital circuits and architecture for CMOS imagers and computational vision microsystems. The course first reviews the principles of light transduction and the device physics of photoreceptors, followed by lectures on MOS devices, current mode circuits including CMOS current conveyors and translinear circuits. Architectures for CMOS imagers, active pixel sensors, digital pixel sensors, silicon retinas and computational imaging microsystems are then discussed . The course has a lecture component, a laboratory component and a project component.

December 2000

Staff

Professor Andreas G. Andreou, Latrobe 229, 410-516-8361,
andreou@jhu.edu

Participants

Course Logistics

Schedule and Syllabus

Day

Lecture topics

Laboratory Work

0

Organizational meeting; course overview

Lab #1

CAD Tools: IntroductionCAD; Ledit navigation of  the class test chip. Circuit extraction.

 

1

CMOS technology

Lecture Notes # 1

In depth discussion of MOS devices and CMOS can be found in Howe and Sodini textbook bibliography [1]

Lab #2

Instrumentation and measuring setup.

The description of the test box is here and a tutorial introduction to data acquisition within Matlab is here.

 

 

2

MOS devices and Amplifiers

Lecture Notes # 2

Micropower design techniques are discussed extensively in Vittoz book chapter bibliography [2]. A general discussion of analog integrated circuit design and operational amplifier design can be found in bibliography [3].

Lab #3

Above threshold MOS transistors characteristics; measurements and model parameter extraction.

The pin assignment for the pop2um chip is here.

3

Principles of CMOS current-mode circuit design, current mirrors, current-conveyors, differential pair, translinear circuits.

Lecture Notes #3a

Lecture Notes #3b

Chapter 4 of the edited volume by Sinencio and Andreou bibliography [5]

Lab #4

Below threshold MOS transistors characteristics; measurements and model parameter extraction.

5

Photoreceptors

Lecture Notes #4

The technical report by Tobi Delbruck (reading reference [1]) is an excellent reference on the design and characteristics of CMOS photoreceptors. References [2] and [5] provide additional information for CMOS photoreceptors.

Lab #5 

CAD Tools: Architecture for CMOS imagers and computational vision chips.

 

6

Vision microsystem architecture. General aspects of digital VLSI design such as scanners, and address decoders are discussed in bibliography [4]

Lecture Notes #5

A discussion of various architectures for CMOS imagers and cameras is given in references [5] [6] [7] [8] [9] [10] [11].

Two nice computational sensor and vision microsystems are discussed in references [3] and [4].

The world's first  integrated polarization imager is discussed in this reference !  [15].

For discussion on noise and correlated double sampling please refer to reading references [5], [12] and [13].

Mismatch and fixed pattern noise for imaging arrays and data for MOSIS processes see reading reference [14]

Lab #6

Vision microsystem testing. Work with the provided vidamit chips to prototype a board to scan and test the chips and put the output on a VGA monitor. The assembly code for the PIC microntroller that does the scanning  is here. It is self documented.

 

CAD Tools

We use the CAD tools from Tanner research for doing physical layout design and extraction (LEDIT), schematic capture (SEDIT), simulation (TSPICE), and verification (LVS).

Frequently Asked Questions

Matlab Data Acquisition Software

Reading References (Distributed in the class):

[1] Analog VLSI Phototransduction by continuous-time, adaptive, logarithmic photoreceptor circuits, T. Delbruck and C.A. Mead, CNS Memorandum No. 30, April 2, 1996.

[2] Characterization of phototransistors fabricated in a standard, digital VLSI CMOS process, A.G. Andreou, X. Sun, K. Strohbehn and R.E. Jenkins, JHU/ECE Technical report EE-xx 1989.

[3] Computing centroids in current-mode technique, M. Tartagni and P. Perona, Electronics Letters, vol. 29, no. 21, 14th October 1993.

[4] Push-pull optical detector integrated circuit, M. Leonard, IEEE Journal of Solid State Circuits, vol. SC-15, No. 6, December 1980.

[5] CMOS Active pixel image sensors for highly integrated imaging systems, S.K. Mendis, S.E. Kennedy et.al. IEEE Journal of Solid State Circuits, vol. SC-32, No. 2, February 1997.

[6] An addressable 256 X 256 photodiode image sensor array with an 8-bit digital output, C. Jannson, P. Ingelhag, C. Svensson and R. Forchheimer, Analog Integrated Circuits and Signal Processing, 4, 1993.

[7] A Nyquist-rate pixel-level ADC for CMOS image sensors, D.X. Yang, B. Fowler and A. El-Gamal, IEEE Journal of Solid State Circuits, vol. SC34, No. 3, 1999.

[8] Design and analysis of a 512 X 768 current-mediated active pixel array image sensor, L.G. McIlrath, V.S. Clark et.al. IEEE Transactions on Electron Devices, vol. 44, No. 10, 1997.

[9] CMOS image sensors: electronic camera-on-a-chip, E.R. Fossumm IEEE Transactions on Electron Devices, vol. 44, No. 10, 1997.

[10] On-focal-plane signal processing for current-mode active pixel sensors, J. Nakamura, B. Pain et. al., IEEE Transactions on Electron Devices, vol. 44, No. 10, 1997.

[11] A continuus time, digital output, random access CMOS imager, Z.K. Kalayjian and A.G. Andreou, unpublished technical report to Nissan corporation, May 1996.

[12] Characterization of surface channel CCD image arrays at low light levels, M.H. White, D.R. Lampe, F.C. Blaha, I.A. Mack, IEEE Transaction of Solid-State circuits, vol. SC-9, no. 1, 1974.

[13] Theoretical analysis and optimization of CDS signal processing method for CCD image sensors, J. Hynecek,  IEEE Transaction on Electron Devices, vol. 39, no. 11, 1992.

[14] Mismatch in photodiode and phototransistor arrays, Z.K. Kalayjian and A.G. Andreou, Proceedings ISCAS 2000, Geneva Switzerland, 2000 (pdf file).

[15] Integrated imaging linear polarimeter, Z. Kalayjian and A.G. AndreouISA Transactions, Vol. 38, pp. 203-209, 1999. (pdf file)

Bibliography on CMOS VLSI and Analog IC Design

[1] Microelectronics: An Integrated Approach:, R.T. Howe and C.G. Sodini, Prentice Hall, 1997.

[2] Micropower Techniques , Eric Vittoz, in VLSI circuits for Telecommunication, Y.P. Tsividis and P. Antognetti (eds.) eds., Prentice Hall, 1981

[3] CMOS Analog Circuit Design, P.E. Allen and D.R. Holberg, Oxford University Press, 1987.

[4] Principles of CMOS VLSI Design: A Systems Perspective, N.H.E. Weste and K. Eshraghian, Addison-Wesley, second edition, 1994.

[5] Low-Voltage/Low-Power Integrated Circuits and Systems, Edgar Sanchez-Sinencio and Andreas G. Andreou editors, IEEE Press Series on Microelectronic Systems, 1998.

Useful WWW Links

WWW page for Prof. Andreas G. Andreou Laboratory at Johns Hopkins University

 


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