Definition of Operational Amplifiers
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In 1954 Tellegen introduced the concept of a universal active network element under the name of “ideal amplifier” [1.1]. The name “nullor”, generally accepted now, was given to it by Carlin in 1964 [1.2]. The symbol of a nullor is shown in Fig. 1.1.
KeywordsOutput Port Input Port Operational Amplifier Passive Component Output Terminal
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