Parametric Electronics: An Introduction

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Parametric Electronics: An Introduction
Format:
Bog, hæftet
Udgivelsesdato:
01-12-2011
Sprog:
Engelsk
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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.

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ISBN13:
9783642679391
Vægt:
467 g
Dybde:
18 mm
Bredde:
152 mm
Højde:
229 mm
Forlag:
Springer
Format:
Hæftet

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Parametric Electronics: An Introduction

- Softcover Repri

af

indgår i serie SPRINGER SERIES IN ELECTRONICS AND PHOTONICS

  • Leveringstid 4-6 hverdage
  • Forventet levering 29-07-2019

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