dept. of biomed. engbme227: basic electronic circuitkyung hee univ. 학생 작성 강의록 dept....
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Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록1
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com
5 장 , 6 장 강의노트
2013103830 임혜경 (2.4)2013103792 김유림 (2.4)2013103811 안수민 (2.4)2013103809 설다빈 (2.8)
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록2
Frequency Response and System
ZL
+ V
L -
ZL
+ V
L -
R, L, C compo-nentsAnd
Sources.
ZT
+VT_
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록3
Fourier analysis
• Fourier series : periodic function• Fourier transform : aperiodic
• x(t) = x( t + nT ), n = 1, 2, 3 …• T : period, 1/T : f (fundamental fre-
quency)• w=2πf : fundamental angular fre-
quency• nf : harmonics ( 고조파 )
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록4
R, L, C 를 포함하는 선형회로에 주기함수 x(t) 가 입력일때 출력은 ?
• C0 가 DC 입력 ▷ y0 는 DC 회로 해석• C0 가 정현파 ▷ y0 는 phasor 해석
x(t)
y(t)
R, L, C선형회로
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록5
Low Pass Filter
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록6
Low Pass FilterEx.
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록7
High Pass Filter
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록8
High Pass FilterEx.
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록9
Band Pass Filter
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록10
Band Stop Filter
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록11
RC 와 RL 회로
→First-order linear differential equa-tion
with constant coefficients
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록12
RC 와 RL 회로
→First-order linear differential equa-tion
with constant coefficients
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록13
Zero input Response
→ Input
,C → Circuit Parame-ters→ state variable
→ initial condition
→Zero input response 는 Vt(t)=0 일때의 v(t)이다 .
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록14
Zero input Response
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록15
Zero input Response
증명 :
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록16
Examplet=0 R1
R2 C+V(t)-
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록17
Example(1) t < 0
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록18
Example(2) t > 0
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com
#Step response
1) t<0, v(t)=02) t>=0,
a. Homogeneous sol.b. Particular sol.
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록22
RC circuit sinusoidal re-sponse
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록23
RC circuit sinusoidal response
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록24
Series RLC circuit
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록25
Series RLC circuit
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록26
Series RLC circuit
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록27
Zero-in-put re-sponse
Series RLC circuit
Dept. of Biomed. Eng BME227: Basic Electronic Cir-cuit
Kyung Hee Univ.
http://www.ejwoo.com 학생 작성 강의록28
Step re-sponse
Series RLC circuit