Analysis and Synthesis of MOS Translinear Circuits

Inbunden, Engelska, 1993

Av Remco J. Wiegerink, Remco Wiegerink

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The translinear (TL) circuit principle was first formulated as a practical means of implementing nonlinear signal processing functions by bipolar analog electronic circuits. In "Analysis and Synthesis of MOS Translinear Circuits" it is shown that a generalized interpretation of the TL principle leads quite naturally to an extension to MOS circuits. The square-law characteristic of MOS transistors operated in the saturated region is exploited. This results in nonlinear signal processing functions different from those provided by bipolar translinear circuits which are based on the exponential current-voltage characteristic. The work starts by deriving the MOS Translinear principle and investigating the effects of transistor nonidealities. A systematic approach to analysis is developed based on a graphical method which is easy to visualize. The graphical method is implemented in a computer-aided analysis program. The most important part of the book concerns circuit synthesis. Design strategies are presented, which are illustrated by the design of various useful circuits: an output stage for CMOS opamps, a four-quadrant multiplier and a variable-gamma circuit for colour television.A number of new nonlinear building blocks are also present. "Analysis and Synthesis of MOS Translinear Circuits" should be a useful reference resource for designers of analog electronic circuits and researchers in analog electronics. It is also suitable for use as a text in advanced courses on the subject.

Produktinformation

Utgivningsdatum1993-08-31
Mått155 x 235 x 15 mm
Vikt442 g
FormatInbunden
SpråkEngelska
SerieSpringer International Series in Engineering and Computer Science
Antal sidor156
Upplaga1993
FörlagKluwer Academic Publishers
ISBN9780792393900

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1 Introduction.- 1.1 Motivation.- 1.2 Previous work.- 1.3 Outline of this book.- 1.4 References.- 2 The MOS Translinear Principle.- 2.1 Introduction.- 2.2 Derivation of the MTL Principle.- 2.3 Using both N-type and P-type transistors in a single.- translinear loop.- 2.4 Second-order effects.- A. The body-effect.- B. Mobility reduction.- C. Weak inversion.- D. Channel length modulation.- E. Component mismatches.- F. Errors caused by parasitic resistance and capacitance.- G. Temperature dependence.- 2.5 The effect of noise.- 2.6 Dynamic range and distortion.- 2.7 Comparing MOS translinear and bipolar translinear circuits.- 2.8 Conclusions.- 2.9 References.- 3 Analysis of MOS Translinear Circuits.- 3.1 Introduction.- 3.2 TL-graphs.- 3.3 Systematic analysis of MOS translinear networks.- 3.4 Example: rail to rail CMOS input stage with a constant transconductance.- 3.5 Example: vector sum circuit.- 3.6 MTL loops that can be electronically opened.- 3.7 MTL networks consisting of a single translinear loop of four transistors.- 3.8 Simple graphical representation of MTL networks consisting of a single loop and having one input and one output signal.- 3.9 Development of the computer program MTLPLOT for computer aided analysis of MTL networks.- 3.10 Comparing the loop equations of MOS and bipolar translinear loops.- 3.11 Conclusions.- 3.12 References.- 4 Synthesis of MOS Translinear Circuits: A Design Strategy.- 4.1 Introduction.- 4.2 Basic functions realized by MTL circuits.- 4.3 Realization of a function using a suitable combination of basic functions.- 4.4 Example: wideband linear current attenuator with electronically variable gain.- 4.5 Computer aided synthesis of MOS translinear loops.- 4.6 Example: class AB rail-to-rail output stage for CMOS operational amplifiers.- 4.7 Conclusions.- 4.8 References.- 5 Comparison of MOS Translinear Loop Topologies.- 5.1 Introduction.- 5.2 Choosing a suitable loop topology.- 5.3 The stacked loop topology.- 5.4 The up-down loop topology.- 5.5 The electronically simulated loop topology.- 5.4 Conclusions.- 5.5 References.- 6 Application: Fast Four-Quadrant Current Multiplier.- 6.1 Introduction.- 6.2 Principle of operation.- 6.3 An MTL current squaring circuit.- 6.4 The four-quadrant current multiplier.- 6.5 Second-order effects.- 6.6 Simulated and measured results.- 6.7 Conclusions.- 6.8 References.- 7 Application: Variable-Gamma Circuit for Colour Television.- 7.1 Introduction.- 7.2 The variable gamma system.- 7.3 The variable gamma function block.- 7.4 Computer aided implementation of the inverse hyperbolic sine function.- 7.5 Simulated and measured results.- 7.6 Conclusions.- 7.7 References.- 8 Conclusions.- 8.1 Introduction.- 8.2 Summary.- 8.3 Original contributions of this book.- 8.4 Recommendations for further research.- Appendix A: TL graphs of MTL networks with one or two loops and less than 8 transistors.- Appendix B: MOS translinear loops with 7 or less transistors.- Appendix C: Some MTL network realizations.