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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