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Circuit Theory II Lesson 2. Phasor Impedances Frequency Transfer Functions Numerical Example. i(t). L. + v(t) -. Phasor Impedance of Inductor. i(t). + v(t) -. Phasor Impedance of Capacitor. i(t). + v(t) -. Phasor Impedance of Resistor. L. j w L. C. +

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Circuit theory ii lesson 2

Circuit Theory IILesson 2

Phasor Impedances

Frequency Transfer Functions

Numerical Example


Phasor impedance of inductor

i(t)

L

+ v(t) -

Phasor Impedance of Inductor


Phasor impedance of capacitor

i(t)

+ v(t) -

Phasor Impedance of Capacitor


Phasor impedance of resistor

i(t)

+ v(t) -

Phasor Impedance of Resistor


Phasor circuit

L

jwL

C

+

vo(t)

-

vg(t)

R

1/(jwC)

Vg

Vo

R

Phasor Circuit

Electrical circuit

Phasor circuit


Frequency transfer function
Frequency Transfer Function

Output phasor

Input phasor

Frequency transfer function


Numerical example
Numerical Example

R = 3000 W L = 10 mH C = 5/18 nF

w = 3 X 105 radians/sec

vg(t) = 5 sin(3x105t+20o)

Find vo(t)




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