회로이론 - Frequency Response

Variation in Impedance of R

ZR = R = R∠0°

Variation in Impedance of L

ZL = jωL = ωL∠90°

Variation in Impedance of C

ZC = 1/jωC = (1/ωC)∠−90°.

Series RLC Network

Simplified notation for the series RLC network

ex) Determine the variation of the output voltage as a function of frequency over the range from 0 to 1 kHz

Poles and Zeros

Bode Plot

damping 현상(튀어오르는)이 많을수록 L,C끼리 주고받는 영향이 커진다.

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Filter Networks

Low-Pass Filter

High-Pass Filter

Band-Pass Filter

Band-Rejection Filter