Transcription of Operational Amplifiers: Basics and Design Aspects
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1 Operational Amplifiers: Basics and Design Aspects A tutorial by Jonathan Ames 2 Table of Contents 1. Operational Amplifier (Op-Amp) 4 Symbols and Schematic .. 4 Kirchhoff s Current Law applied to Op-amps .. 6 Input/Output Impedance .. 8 Supply voltages .. 10 Open/Closed Loop Gain, Positive/Negative 11 Frequency Response .. 12 Basic Op-Amp 13 Inverting amplifier .. 13 Non-inverting amplifier .. 14 Comparator .. 15 Voltage follower .. 16 2. Op-amp Circuits .. 18 Derived Op-Amp 18 Summation amplifier .. 18 Integration .. 19 20 Differential amplifier .. 21 Applied Op-Amp 22 Audio amplifier .. 22 Instrumentation 24 Precision full-wave 26 Voltage-to-Current 27 3.
Chapter 1 1. Operational Amplifier (Op-Amp) Basics 1.1. Symbols and Schematic Below is the symbol used to represent an operational amplifier. The two inputs are the inverting (V-) and non-inverting (V+) terminals, and the output is Vout. The supplies are discussed further in the pages ahead. Figure 1. Op-amp Symbol
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