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EC6304 Electronic Circuits- I Scanned Lecture Notes with Solved Problems - All Units
#1


   
Anna University , Chennai
Department of B.E. Electronics and Communication Engineering
Third Semester
EC6304 Electronic Circuits- I 
(Regulation 2013) 


Content :
UNIT-1
BIASING OF DISCRETE BJT AND MOSFET
  • Load line analysis
  • Quiescent point 
  • Need for biasing
  • Selection OF Operating Point
  • VARIATION OF Q-POINT (or) FACTORS AFFECTING STABILITY
  • OF Q-POINT
  • Temperature
  • Stability factors
  • Different types of biasing circuit\various biasing methods for BJT
  • Advantage
  • Disadvantage
  • Collector to base bias\biasing with feedback resistors
  • Load line analysis
  • Stability factors
  • Drawback
  • CE AMPLIFIER WITH VOLTAGE DIVIDER BIAS
  • AC load line
  • Maximum symmetrical swing
  • Common collector amplifier (emitter follower)
  •  Small signal analysis of cc amplifier
  • 1. Current gain (AI)
  • 2. Input resistance
  • 3. Voltage gain (AV)
  • 4. Output resistance
  • COMMON BASE AMPLIFIER
  • Small signal analysis of CB amplifier
  • 1. Current gain (AI)
  • 2. Input resistance
  • 3. Voltage gain (AV)
  • 4. Output resistance
  • Comparison of CE, CC and CB amplifier and their uses
  • Voltage divider bias
  • DC ANALYSIS
  • Design of biasing MOSFET
  • 1. D-MOSFET
  • 2. E-MOSFET
  • Comparison of BJT and FET
  • Problems
  • Method of stabilizing the Q-point
  • Design of biasing for JFET
UNIT-2
BJT AMPLIFIERS
  • Method of drawing small-signal equivalent circuit
  • H-parameter
  • Midband analysis of BJT single stage amplifier
  • Common emitter amplifier
  • Analysis of CE circuit using simplified hybrid model
  • MILLWR THEOREM
  • Proof of millers theorem
  • DIFFERENTIAL AMPLIFIER
  • Features of differential amplifier
  • Emitter coupled differential amplifier
  • 1. Differential mode operation
  • 2. Common mode operation
  • BISECTION THEOREN [or] BARTLETT’S BISECTION
  • METHOD OF IMPROVING CMRR
  • Advantages
  • Transfer characteristics of differential amplifier
  • DARLING METHOD
  • BOOSTRAP EMITTER FOLLOWER
  • MULTI STAGE AMPLIFIER
  • Cascaded amplifier
  • Method of coupling multistage amplifier
  • Rc coupling
  • Transformer coupling
  • Direct coupling
UNIT-3
JFET AND MOSFET AMPLIFIER
  • JFET amplifier
  • Common source circuit with voltage divider bias
  • Small signal analysis of JFET common gate amplifier
  • Common drain\source follower
  • MOSFET AMPLIFIER
  • small signal equivalent circuit
  • Basic transistor amplifier configuration
  • Common gate configuration
  • Bic MOS cascade amplifier
  • Problems
UNIT-4
FREQUENCY ANALYSIS OF BJT AND MOSFET AMPLIFIER
  • General shape of frequency response of amplifier
  • Low frequency analysis of amplifier to obtain lower cut-off frequency
  • Hybrid-equivalent circuit of BJT
  • CE short circuit current gain using hybrid-pie model
  • GATE CAPACITANCE
  • 1. Gate capacitance
  • 2. Junction capacitance
  • 3. High frequency MOSFET model
  • 4. Unity- gain frequency
  • 5. Frequency response of CS amplifier
  • Bandwidth of multistage amplifier
  • 1. overall lower cut-off frequency of multistage amplifier
  • 2. Overall higher cut-off frequency of multistage amplifier
  • Rise time and its relation to upper cut-off frequency
  • Problems
UNIT-5
  • Problems
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