Abstract
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
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References
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Huijsing, J. (2011). Definition of Operational Amplifiers. In: Operational Amplifiers. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-0596-8_1
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DOI: https://doi.org/10.1007/978-94-007-0596-8_1
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