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Electrical Technology, Volume 1 by S. P. Bali

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26

Attenuators and Filters

OBJECTIVES

In this chapter you will learn about:

  • Logarithmic ratios; decibels and nepers and conversion from decibels to nepers and vice versa
  • The function of an attenuator
  • Different types of attenuators
  • Two-port networks
  • Terms like characteristic impedance, iterative impedance, image impedance, insertion loss and so on
  • The L-pad
  • Balanced and unbalanced and symmetrical and unsymmetrical networks
  • Characteristic impedance in terms of Ζoc and Ζsc
  • Different types of filters
  • The pass band and the attenuation band
  • Properties of ideal filters
  • Constant k and m-derived filters
  • Active and passive filters
  • Problems connected with the design of filters
  • Lattice and bridged Τ networks
  • Circular and hyperbolic functions
  • Theorem ...

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