Transcription of Chapter 14: Introduction to Frequency Selective …
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Chapter 14: Introduction to Frequency Selective …
ECEN 2633 Page 1 of 10 Chapter 14: Introduction to Frequency Selective Circuits Filters: Frequency Selective circuits used in devices that communicate via electric signals like radio, phones, TV, etc. They have the ability to filter out certain input signals based on Frequency . Practical filters attenuate a signal rather than completely filter out Attenuate: weaken or lessen the effects of Passive filters: Filters that depend on passive circuit elements: resistors, capacitors and inductors. (Examined in this Chapter ) Some Preliminaries ( ) ( ) ( ) Passband: signals passed from the input to the output Stopband: signals not part of the passband Frequency Response Plot: shows how the transfer function changes as the source Frequency changes 2-parts Magnitude plot: graph of | ( )| versus Phase plot: graph of ( ) versus 4 Types of Filters 1.
ECEN 2633 Page 1 of 10 Chapter 14: Introduction to Frequency Selective Circuits Filters: frequency selective circuits used in devices that communicate via electric …
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