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Two-Port Networks

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Two-Port Networks

Never put off till tomorrow what you can do today. Never trouble another for what you can do yourself. Never spend your money before you have it. Never buy what you do not want because it is cheap. Pride costs us more than hunger, thirst, and cold. We seldom repent having eaten too little. Nothing is troublesome that we do willingly. How much pain the evils have cost us that have never happened! Take things always by the smooth handle. When angry, count ten before you speak; if very angry, a hundred. —Thomas Jefferson

Enhancing Your Career

Career in Education

While two thirds of all engineers work in private industry, some work in academia and prepare students for engineering careers. The course on circuit analysis you are studying is an important part of the preparation process. If you enjoy teaching others, you may want to consider becoming an engineering educator.

Engineering professors w ork on state-of-the-art research projects, teach courses at graduate and undergraduate levels, and provide services to their professional societies and the community at lar ge. They are expected to make original contrib utions in their areas of specialty. This requires a broad-based education in the fundamentals of electrical engineering and a mastery of the skills necessary for communicating their efforts to others.

If you lik e to do research, to w ork at the frontiers of engineering, to make contributions to technological adv ancement, to invent, consult, and/ or teach, consider a career in engineering education. The best way to start is by talking with your professors and benefiting from their experience.

A solid understanding of mathematics and physics at the undergraduate level is vital to your success as an engineering professor . If you are having difficulty in solving your engineering textbook problems, start correcting any weaknesses you have in your mathematics and physics fundamentals.

Most universities these days require that engineering professors have a doctor’s de gree. In addition, some uni versities require that the y be actively involved in research leading to publications in reputable journals. To prepare yourself for a career in engineering education, get as broad an education as possible, because electrical engineering is changing rapidly

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and becoming interdisciplinary. Without doubt, engineering education is a rewarding career. Professors get a sense of satisf action and fulfillment as they see their students graduate, become leaders in their profession, and contribute significantly to the betterment of humanity.

Learning Objectives

By using the information and exercises in this chapter you will be able to:

    1. Understand the variety of two-port parameters that make analyzing circuits easier.
    1. Understand impedance parameters and ho w to use them ef fectively in analyzing certain classes of circuit analysis problems.
    1. Understand admittance parameters and how to use them effectively in analyzing certain classes of circuit analysis problems.
    1. Understand hybrid parameters and how to use them effectively in analyzing certain classes of circuit analysis problems.
    1. Understand transmission parameters and how to use them effectively in analyzing certain classes of circuit analysis problems.
    1. Understand the relationships between all two-port parameters.
    1. Understand how to interconnect networks using the characteristics of the variety of parametric relationships.