CHAPTER 1 Review of Feedback Systems Introduction and Some Early History of Feedback Control Invention of the Negative Feedback Amplifier Control System Basics Loop Transmission and Disturbance Rejection Stability Routh Stability Criterion The Phase Margin and Gain Margin Tests Relationship Between Damping Ratio and Phase Margin Loop Compensation Techniques¡XLead and Lag Networks Parenthetical Comment on Some Interesting Feedback Loops Example 1.1: Gain of +1 amplifier Example 1.2: Gain of +10 amplifier Example 1.3: Integral control of reactive load Example 1.4: Photodiode amplifier Example 1.5: MOSFET current source Example 1.6: Maglev example Appendix: MATLAB Scripts MATLAB script for gain of +1 and +10 amplifiers References
Chapter 2 My Approach to Feedback Loop Design My Approach to Design What Is a V/I Source? An Ideal V/I Source Designing a V/I Source Capacitive Load Compensation Model to Investigate Overshoot Back To The Frequency Domain Range of Compensation Required Phase Margin Approach to Loop Compensation LTX Device Power Source (DPS) Performance *Summary of My Method
CHAPTER 3 Basic Operational Amplifier Topologies and a Case Study Basic Device Operation Example 3.1: Case study: Design, analysis and simulation of a discrete operational amplifier Brief Review of LM741 Op-Amp Schematic Some Real-World Limitations of Operational Amplifiers Voltage offset *Example 3.2: Op-amp drivi
Newnes has worked with Robert Pease, a leader in the field of analog design to select the very best design-specific material that we have to offer. The Newnes portfolio has always been know for its practical no nonsense approach and our design content is in keeping with that tradition. This material has been chosen based on its timeliness and timelessness. Designers will find inspiration between these covers highlighting basic design concepts that can be adapted to today's hottest technology as well as design material specific to what is happening in the field today. As an added bonus the editor of this reference tells you why this is important material to have on hand at all times. A library must for any design engineers in these fields.
Hand-picked content selected by analog design legend Robert Pease Proven best design practices for op amps, feedback loops, and all types of filters *Case histories and design examples get you off and running on your current project
Analog designers and engineers
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- 12th May 2008
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"The book provides good background material on topics like feedback control and stability, and it presents the basics of op-amp topologies and data conversion." - Rick Nelson, Test & Measurement World.
Pease attended Mt. Hermon School, and graduated from MIT in 1961 with a BSEE. He worked at Philbrick Researches up to 1975 and designed many OpAmps and Analog Computing Modules. Pease joined National Semiconductor in 1976. He has designed about 24 analog ICs including power regulators, voltage references, and temp sensors. He has written 65+ magazine articles and holds about 21 US patents. Pease is the self-declared Czar of Bandgaps since 1986. He enjoys hiking and trekking in Nepal, and ferroequinology. His position at NSC is Staff Scientist. He is a Senior Member of the IEEE. Pease wrote the definitive book, TROUBLESHOOTING ANALOG CIRCUITS, now in its 18th printing. It has been translated into French, German, Dutch, Russian, and Polish. Pease is a columnist in Electronic Design magazine, with over 240 columns published. The column, PEASE PORRIDGE, covers a wide range of technical topics. Pease also has posted many technical and semi-technical items on his main web-site: http://www.national.com/rap Many of Pease's recent columns are accessible there. Pease was inducted into the E.E. Hall Of Fame in 2002. Refer to: http://www.elecdesign.com/Articles/Index.cfm?ArticleID=17269&Extension=pdf See Pease's other web site at http://www.transtronix.com
National Semiconductor Corporation