Lecture Notes on Electronic Devices and Circuits[EX 501] by Bikal Adhikari

These lectures were delivered by me (Bikal Adhikari) while teaching an undergraduate course "Electronic Devices and Circuits [EX 501]" at Dept. of Computer and Electronics Engineering, Kathford Int'l College of Engineering and Management during odd semester of 2074 BS. Following were the lectures (each of 1.5 hour duration) delivered:

Lecture #1: Introduction to Electronic Devices and Circuits
In this lecture I introduced students to the subject  "Electronic Devices and Circuits[EX 501]". Course structure, Marks distribution, class rules/regulations and Reference Textbooks were discussed. Chapter one on Diodes was started. You can download or view the note from Lecture #1 through this link.

Lecture #2: Diodes_Part One
In this lecture, I built upon the discussion done in Lecture #1. Following topics from chapter Diode were covered in this lecture:

1. Derivation of expression for change in voltage during forward bias condition of diode.
2. Reverse biased characteristics of the diode.
3. Physical Operation of diodes
4. Current flow in semiconductor
5. PN junction under open circuit
6. PN junction under forward bias
7. PN Junction under reverse bias
8. PN Junction under breakdown
9. Reverse breakdown effects

You can download or view the notes from Lecture #2 through this link.

Lecture #3: Diode_Part two
In this lecture, I taught the topic "Analysis of diode circuits" from the chapter Diode under following sub-topics:

1. Analysis of diode circuits using ideal diode model
2. Analysis of diode circuits using constant voltage drop model
3. Iterative analysis of diode circuits using exponential diode model

You can download or view the notes from Lecture #3 through this link.

Lecture #4: Diode_Part Three
In this lecture, following topics from the chapter Diode were covered:

1. Diode Load Line
2. Large Signal Models of the diode
3. Small Signal Model and small signal analysis of the diode
4. Operation of Zener diode in breakdown region and as voltage regulator
5. Some important numericals from the diode chapter.

You can download or view the notes from Lecture #4 through this link.

Lecture #5: BJT_Part One
In this lecture the chapter two (The Bipolar Junction Transistor) was started. In this lecture, I taught following topics:

1. Introduction to the Bipolar Junction Transistor
2. Modes of operation of BJT
3. Operation of NPN transistor in active mode
4. Operation of PNP transistor in active mode
5. Symbols for NPN and PNP transistors

You can download or view the notes from Lecture #5 through this link.

Lecture #6: BJT_Part Two
In this lecture, I taught following topics from chapter two on BJT:

1. NPN configurations in active mode
2. Input and output characteristics in Common Base Configuration
3. Input and output characteristics in Common Emitter Configuration
4. Common Collector Configuration
5. Relationship between alpha, beta and gamma of the transistor

You can download or view the notes from Lecture #6 through this link.

Lecture #7: BJT_Part Three
In this lecture, I taught following topics from chapter two on BJT:

1. Transistor Load line analysis and operating point
2. Transistor Biasing
3. Base Biasing or Fixed biasing

You can download or view the notes from Lecture #7 through this link.

Lecture #8: BJT_Part Four

In this lecture, I taught following topics from chapter two on BJT:

1. Emitter Biasing
2. Collector Feedback Biasing
3. Voltage Divider Biasing(or Beta Independent Biasing)
4. Analysis of transistor circuits at DC
5. Small signal equivalent circuit models of BJT(Hybrid-PI and T models)

You can download or view the notes from Lecture #8 through this link.

Lecture #9: BJT_Part Five

In this lecture, I taught following topics from chapter two on BJT:

1. AC and DC equivalent Circuits
2. Transistor as an amplifier
3. Transistor as a switch- Cut off and Saturation

You can download or view the notes from Lecture #9 through this link.

Lecture #10: BJT_Part Six

In this lecture, I taught following topics from chapter two on BJT:

1. Ebers-Moll Model(A Generalized large signal model for BJT)
2. Darlington Pair(Super Beta Transistor)
3. Basic Single Stage BJT amplifier configurations
4. Characteristic parameters of an amplifier (Input impedance, output impedance, voltage gain, current gain and power gain)
5. Common Emitter Amplifier with Fixed Biasing
6. Common Emitter Amplifier with Voltage Divider Biasing and emitter resistance bypassed
7. Common Emitter Amplifier with Voltage Divider Biasing and emitter resistance unbypassed
8. Common Emitter Amplifier with Emitter Biasing and emitter resistance unbypassed

You can download or view the notes from Lecture #10 through this link.