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FET and Op-amp

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FET and Op-amp

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FET and Op-amp

  1. 1. FET and Op-amp Yong Heui Cho @ Mokwon University Some of slides are referred to: [1] A. S. Sedra & K. C. Smith, Microelectronic Circuits.
  2. 2. 2 Electronic Circuits 10. BJT – Analysis of Bias 11. Analysis of CE Amplifier 12. BJT – Advanced Applications 13. FET & Op-amp
  3. 3. 3 MOSFET • Metal-Oxide-Semiconductor Field Effect TR • Developed by Dr. David Kahng (강대원) in 1960
  4. 4. 4 Complementary MOS (CMOS)
  5. 5. 5 Op-amp • Operational amplifier
  6. 6. 6 Equivalent Circuit • Ideal case – Zin = open, Zout = short – AV = infinity – Bandwidth (BW) = infinity
  7. 7. 7 Inverting Mode R1 R2 1 in in 0 R V I    in 1 2 2in2out V R R RIRIV F  1 2 in out R R V V AV 
  8. 8. 8 Noninverting Mode R1 R2 1 in in 0 ,0 R V II F    in 1 2 in2out 1 V R R VRIV F        1 2 in out 1 R R V V AV 

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