EIT Electrical Review, Second Edition
Written for the FE/EIT Electrical Exam, this volume provides a complete review of all exam topics, including end-of-chapter mini exams with complete step-by-step solutions.
TABLE OF CONTENTS EIT Electrical Review, Second Edition
Chapter 2: Analog Circuits and Network Analysis
This chapter deals with the operational amplifier (op-amp) to satisfy the analog circuits portion of this title; and it continues on with the introduction of circuit analysis to extend into some of the areas of network analysis. Frequently much of the material that covers operational amplifiers in terms of external operation (rather than the internal electronics) have been covered in electronic courses. Most recent college graduates usually have a number of texts on this subject, but for those who need an extra reference is one by Sedra & Smith [1]. The same reference may be used for network analysis especially if op-amps are involved.
Analog Circuits:
Analog circuits usually imply that active circuits (frequently involving the use of operational amplifiers) are also being considered rather than just passive ones (such as just R, L, and C components). The circuitry within the operational amplifier will not be considered in this section, however, it is important to understand the characteristics from an external point of view for this device.
Operational Amplifier Characteristics:
The operational amplifier design and development probably reached its peak during the analog computer era with a number circuit applications becoming highly developed. It became common practice to show the symbol for the op-amps with only it's inputs (in fact, usually only the inverting input, with the noninverting input tied to signal ground) and the output without showing the power supply terminals. The power supply voltages are both with respect to some common point, usually referred to as signal...
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