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Chapter 1 Transistor As A Small Signal Amplifier SEE 2253ELECTRONIC CIRCUITS
Outcome ,[object Object]
CO2: Apply the basic laws, theorem and methods of analysis for solving various problems in electronic circuit
CO3: Analyze the procedure that should be taken in solving electric circuit using theorems and methods of analysis: Perform AC analysis on amplifiers at low, middle and high frequencies
CO4: Categorize and analyze negative feedback topologiesNorlaili Mat Safri, Ph.D
Contents ,[object Object]
Basic Amplifier Circuit, Amplifier Parameters (Avoc, Av, Ai, Zi & Zo), Decibel (dB)
BJT as an amplifier
Mid freq. ac analysis using hybrid- model – CE, CC, CB
Frequency response: Analysis at low & high freq.
Short circuit current gain, Bode plot, Simulation using MultiSimNorlaili Mat Safri, Ph.D
Intro to Amplifier Circuit ,[object Object]
 Amplifier can amplify current, voltage, and/or power.Norlaili Mat Safri, Ph.D
Intro to Amplifier Circuit Concept of small-signal amplifiers DC Supply  Voltage Amplifier Input signal Output signal Vi Vo Norlaili Mat Safri, Ph.D
Intro to Amplifier Circuit Figure 1.1 : Examples of Amplifier Circuitry System Norlaili Mat Safri, Ph.D
Basic Amplifier Model Norlaili Mat Safri, Ph.D Figure 1.2 : Amplifier Model

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Ch1 transistor as small signal amplifier

  • 1. Chapter 1 Transistor As A Small Signal Amplifier SEE 2253ELECTRONIC CIRCUITS
  • 2.
  • 3. CO2: Apply the basic laws, theorem and methods of analysis for solving various problems in electronic circuit
  • 4. CO3: Analyze the procedure that should be taken in solving electric circuit using theorems and methods of analysis: Perform AC analysis on amplifiers at low, middle and high frequencies
  • 5. CO4: Categorize and analyze negative feedback topologiesNorlaili Mat Safri, Ph.D
  • 6.
  • 7. Basic Amplifier Circuit, Amplifier Parameters (Avoc, Av, Ai, Zi & Zo), Decibel (dB)
  • 8. BJT as an amplifier
  • 9. Mid freq. ac analysis using hybrid- model – CE, CC, CB
  • 10. Frequency response: Analysis at low & high freq.
  • 11. Short circuit current gain, Bode plot, Simulation using MultiSimNorlaili Mat Safri, Ph.D
  • 12.
  • 13. Amplifier can amplify current, voltage, and/or power.Norlaili Mat Safri, Ph.D
  • 14. Intro to Amplifier Circuit Concept of small-signal amplifiers DC Supply Voltage Amplifier Input signal Output signal Vi Vo Norlaili Mat Safri, Ph.D
  • 15. Intro to Amplifier Circuit Figure 1.1 : Examples of Amplifier Circuitry System Norlaili Mat Safri, Ph.D
  • 16. Basic Amplifier Model Norlaili Mat Safri, Ph.D Figure 1.2 : Amplifier Model
  • 17.
  • 19. Power gain :Norlaili Mat Safri, Ph.D
  • 20.
  • 21. AVOC? Zi? Zo?Norlaili Mat Safri, Ph.D
  • 22. Decibel (dB) Gain (A), in dB Av (dB) = 20 log Av If normalized, Av (dB) = 20 log (Av/Avmax) How about current gain (Ai) and power gain (Ap)? Norlaili Mat Safri, Ph.D
  • 23. Basic Amplifier Circuit Voltage amplifier Current amplifier Figure 1.3 : Amplifier Model Norlaili Mat Safri, Ph.D
  • 24. Basic Amplifier Circuit Transconductance amplifier Transresistance amplifier Figure 1.3 : Amplifier Model…cont. Norlaili Mat Safri, Ph.D
  • 25. Basic Amplifier Circuit Q. What is an amplifier? Q. What is an ideal amplifier? 1 2 Norlaili Mat Safri, Ph.D
  • 26. Basic Amplifier Model Your Answers to Attributes of an Ideal Amplifier, Norlaili Mat Safri, Ph.D
  • 27. Basic Amplifier Circuit Unloaded voltage gain Keyword: Unloaded? Figure 1.4 : Basic amplifier model (unloaded) Norlaili Mat Safri, Ph.D
  • 28. Basic Amplifier Circuit With loading effects Keyword: Loaded? Figure 1.5 : Basic amplifier model (loaded) Norlaili Mat Safri, Ph.D