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Applied Electronic Circuit

Applied Electronic Circuit. 2010105052 김광우. Op Amp Circuits. 해석방법 - Negative feedback 이 있으며 선형동작하는 회로 - 이상적인 Op Amp 라 가정. Op Amp Circuits. 1. Non-inverting Amp. Op Amp Circuits. 2. Inverting Amp. Op Amp Circuits. 3. Unity Gain Buffer. Loading effect 제거해서

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Applied Electronic Circuit

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  1. Applied Electronic Circuit 2010105052 김광우

  2. Op Amp Circuits • 해석방법 - Negative feedback이 있으며 선형동작하는 회로 - 이상적인 Op Amp라 가정

  3. Op Amp Circuits • 1. Non-inverting Amp

  4. Op Amp Circuits • 2. Inverting Amp

  5. Op Amp Circuits • 3. Unity Gain Buffer Loading effect제거해서 전압원의 전압을 온전히 사용하고 싶은 경우 사용

  6. Op Amp Circuits • 4. Summing Amp (Adder)

  7. Op Amp Circuits • 4. Summing Amp (Adder) 중첩의 원리를 이용 Loading effect 발생 - 각각의 입력에 buffer를 설치하면 해결가능 - 입력저항을 가변저항으로 한다면 볼륨조절 가능(ex. 오디오)

  8. Op Amp Circuits • 5. Difference Amp (Subtract) 각각 single-ended

  9. Op Amp Circuits • 5. Difference Amp (Subtract) 중첩의 원리 • V2=0 • V1=0

  10. Op Amp Circuits • 5. Difference Amp (Subtract) • 중첩의 원리 (Vo=Vo1+Vo2) 입력에서의 부하효과

  11. Op Amp Circuits • 5. Difference Amp (Subtract) 부하효과 해소 위해 buffer 사용 Gain 조절을 위한 저항 3개 추가 계측용 증폭기 IA

  12. Op Amp Circuits • 6. Differentiator (미분기)

  13. Op Amp Circuits • 7. Integrator (적분기)

  14. Charged Particle • Free electron and hole • Unbounded ion and molecule • Bounded atom and molecule • Polar molecule: not charged mobile immobile

  15. Charged Particle

  16. Resistor 평균속도 (Drift velocity) 충돌

  17. Resistor 시간 t에서 t+∆t 사이에 단면적 S를 지나가는 전류의 양

  18. Capacitor dipole Polarization 자유전자가 왼편 오른편으로 “왔다갔다” 한다

  19. Capacitor • AC Displacement current 위상이 달라진다

  20. complex exponential

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