Parametric Electronics / Springer Series in Electronics and Photonics Bd.6 (PDF)
An Introduction
(Sprache: Englisch)
In this chapter, first the parametric principle is illustrated by two simple examples, one mechanical and one electrical. Then the realization of time varying reactances is explained, followed by a short history of "parametric electronics". This survey...
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In this chapter, first the parametric principle is illustrated by two simple examples, one mechanical and one electrical. Then the realization of time varying reactances is explained, followed by a short history of "parametric electronics". This survey demonstrates the importance of parametric circuits in the field of low-noise microwave electronics as well as explains the organization of this book. 1.1 The Parametric Principle An oscillating system comprising a single or several time-varying energy storing elements is called a parametric system; usually the variations are harmonic functions of time. Everybody knows one example of a mechanical parametric system from his childhood, namely, a swing. Therefore, we will start with this example though as it turns out, a swing is a rather compli cated parametric system. Fortunately, the electrical parametric systems, which form the object of this book, are simpler. Figure 1.1 shows such a swing. If it is removed from its equilibrium position and the child stands on it in a fixed attitude, the swing oscillates with a certain amplitude, the magnitude of which decreases with time due to the mechanical friction of the system. To increase the amplitude of oscil lation, the child changes positions during swinging: it crouches and straightens in a certain way twice during one cycle of the swing.
Bibliographische Angaben
- Autoren: K. -H. Löcherer , C. -D. Brandt
- 2013, 1982, 330 Seiten, Englisch
- Verlag: Springer Berlin Heidelberg
- ISBN-10: 3642679374
- ISBN-13: 9783642679377
- Erscheinungsdatum: 07.03.2013
Abhängig von Bildschirmgröße und eingestellter Schriftgröße kann die Seitenzahl auf Ihrem Lesegerät variieren.
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- Größe: 20 MB
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Sprache:
Englisch
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