Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 5 장, 6 장 강의노트 임혜경 (2.4) 김유림 (2.4) 안수민 (2.4) 설다빈 (2.8) 1

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 Frequency Response and System 2 ZLZL ZLZL + VL - ZL + VL - R, L, C components And Sources. R, L, C components And Sources. ZT + VT _ + VT _

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 Fourier analysis Fourier series : periodic function Fourier transform : aperiodic x(t) = x( t + nT ), n = 1, 2, 3 … T : period, 1/T : f (fundamental frequency) w=2πf : fundamental angular frequency nf : harmonics ( 고조파 ) 3

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 R, L, C 를 포함하는 선형회로에 주 기함수 x(t) 가 입력일때 출력은 ? C0 가 DC 입력 ▷ y0 는 DC 회로 해석 C0 가 정현파 ▷ y0 는 phasor 해석 4 R, L, C 선형회로

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 Low Pass Filter 5

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 6 Low Pass Filter E x.

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 High Pass Filter 7

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 8 High Pass Filter E x.

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 Band Pass Filter 9

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 Band Stop Filter 10

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 RC 와 RL 회로 11 →First-order linear differential equation with constant coefficients

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 12 RC 와 RL 회로 →First-order linear differential equation with constant coefficients

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 Zero input Response 13 → Input,C → Circuit Parameters → state variable → initial condition →Zero input response 는 Vt(t)=0 일때의 v(t) 이다.

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 14 Zero input Response

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 15 Zero input Response 증명 :

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 16 Example t=0 R1 R2C + V(t) -

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 17 Example (1) t < 0

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 18 Example (2) t > 0

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. #Step response 1) t<0, v(t)=0 2) t>=0, a.Homogeneous sol. b.Particular sol.

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 RC circuit sinusoidal response 22

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 23 RC circuit sinusoidal response

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 24 Series RLC circuit

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 25 Series RLC circuit

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 26 Series RLC circuit

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 Zero-input response 27 Series RLC circuit

Dept. of Biomed. EngBME227: Basic Electronic CircuitKyung Hee Univ. 학생 작성 강의록 28 Step response Series RLC circuit