Basic Electronics

Module - 1 Lecture - 1 Semiconductor materials
Prof. Chitralekha Mahanta

Play

Explore the fundamentals of semiconductor materials, focusing on both intrinsic and extrinsic types. Understand how different materials are categorized based on their electrical properties. Learn about the role and significance of semiconductors in electronics, discussing concepts like doping and its effects on conductivity. This module provides a comprehensive introduction to the building blocks of electronic circuits, setting the foundation for further exploration of diodes and transistors.
Module - 1 Lecture - 2 PN Junction Diodes
Prof. Chitralekha Mahanta

Play

This module delves into the functioning of PN junction diodes, a critical component in electronics. Understand the terminal characteristics of diodes in various conditions such as open circuit, forward bias, and reverse bias. Explore the breakdown region and its implications for diode operation. Learn about the ideal diode concept and how real diodes differ from this model. Grasp these foundational concepts to effectively use diodes in electronic circuits.
Module - 1 Lecture - 3 Diode Equivalent Circuits
Prof. Chitralekha Mahanta

Play

Gain insights into diode equivalent circuits, crucial for analyzing and designing electronic systems. This module covers the small-signal model of diodes and how it is applied in practical scenarios. Understand how equivalent circuits simplify complex diode behavior for analysis and design purposes, enabling more efficient circuit modeling and problem-solving in electronics.
Module - 1 Lecture - 4 Diode Rectifier Circuits
Prof. Chitralekha Mahanta

Play

Discover the principles and applications of diode rectifier circuits, which are essential for converting AC to DC power. This module explains the functionality of half-wave, full-wave, and bridge rectifiers. Learn about their efficiency and typical use cases in electronic devices. Understand the importance of rectification in power supplies and its impact on the performance of electronic systems.
Mod-1 Lec-5 Zener Diode and Applications
Prof. Chitralekha Mahanta

Play

This module focuses on the Zener diode and its various applications, especially in voltage regulation. Study the unique characteristics of Zener diodes, including their ability to operate in the breakdown region without damage. Explore how Zener diodes are utilized in circuits to provide stable voltage outputs and protect against voltage spikes. Learn design considerations for incorporating Zener diodes into electronic systems.
Module - 1 Lecture - 6 Clipping and Clamping Circuits
Prof. Chitralekha Mahanta

Play

Explore the design and function of clipping and clamping circuits, which are used to alter waveform properties. This module covers how these circuits modify signal amplitudes and shapes. Understand their applications in signal processing and waveform shaping, including how they protect electronics from unwanted voltage levels and ensure signal integrity.
Module - 2 Lecture - 1 Transistor Operation-Part-1
Prof. Chitralekha Mahanta

Play

Learn about the basic operation and physical structure of bipolar junction transistors (BJTs). This module provides an introduction to the various modes of BJT operation, including cut-off, active, saturation, and breakdown regions. Understand the significance of each mode in different applications, laying the groundwork for in-depth analysis of transistor behavior in electronic circuits.
Mod-2 Lec-2 Transistor Operation Part-2
Prof. Chitralekha Mahanta

Play

Continue exploring transistor operation, focusing on the active region where BJTs function as amplifiers. This module examines the relationships between current and voltage in this region and how these characteristics are leveraged in amplifier circuits. Gain a deeper understanding of the physical and electrical properties that govern transistor operation to enhance your circuit design skills.
Module - 2 Lecture - 3 Biasing the BJT
Prof. Chitralekha Mahanta

Play

Discover the various methods for biasing BJTs to ensure stable operation in electronic circuits. This module covers common techniques like fixed bias, emitter feedback bias, and collector feedback bias. Understand the concept of voltage divider bias and its advantages. Explore how proper biasing maximizes transistor functionality and performance in amplifying circuits.
Module - 2 Lecture - 4 Biasing the BJT-Part-2
Prof. Chitralekha Mahanta

Play

Continue with an in-depth analysis of BJT biasing methods, focusing on practical application and design considerations. This module provides detailed insights into ensuring stable and efficient transistor operation. Learn to calculate biasing parameters and implement these techniques in various circuit configurations to achieve desired electronic performances.
Module - 2 Lecture - 5 BJT Small Signal Analysis
Prof. Chitralekha Mahanta

Play

Analyze the small-signal behavior of BJTs to understand their performance as amplifiers. This module explains the small-signal model and its application in electronic circuits. Learn to predict and optimize the gain, input, and output characteristics of transistor amplifiers, enhancing your ability to design robust electronic systems.
Module - 2 Lecture - 6 BJT Amplifier-Part-1
Prof. Chitralekha Mahanta

Play

Explore the fundamental configurations of BJT amplifiers, including common emitter, common base, and common collector types. This module covers the design and analysis of each configuration, focusing on their advantages and limitations. Learn how to choose the appropriate amplifier configuration for different applications in electronic circuits.
Module - 2 Lecture - 7 BJT Amplifier Part - 2
Prof. Chitralekha Mahanta

Play

Continue exploring BJT amplifiers with a focus on advanced analysis and design techniques. This module dives deeper into the performance characteristics and optimization strategies for enhancing amplifier efficiency and effectiveness. Gain practical skills for implementing BJT amplifiers in a wide range of electronic applications.
Module - 2 Lecture - 8 Frequency Response of BJT Analysis-Part-1
Prof. Chitralekha Mahanta

Play

Understand the frequency response of BJT amplifiers, a crucial aspect of electronic circuit design. This module explains how BJTs behave across different frequency ranges and the impact on gain and bandwidth. Learn techniques to optimize the frequency response, ensuring high-fidelity signal amplification in complex electronic systems.
Module - 2 Lecture - 9 Frequency Response of BJT Analysis Part-2
Prof. Chitralekha Mahanta

Play

Continue analyzing BJT frequency response, focusing on practical techniques and design strategies. This module covers advanced concepts like pole-zero analysis and compensation methods. Understand how to address frequency-related challenges in electronic circuit design, ensuring efficient and reliable performance in various applications.
Module - 2 Lecture - 10 Transistor as a Switch
Prof. Chitralekha Mahanta

Play

Learn how BJTs can function as switches, a pivotal operation in digital electronics. This module explores the cut-off and saturation modes that enable transistors to act as electronic switches. Understand the design considerations and applications of BJT switches, including their use in logic gates and digital circuits.
Module - 3 Lecture - 1 Metal Oxide Semiconductor Field
Prof. Chitralekha Mahanta

Play

Delve into the world of Metal Oxide Semiconductor Field Effect Transistors (MOSFETs), beginning with an understanding of their physical structure and operation. This module introduces the enhancements and differences MOSFETs provide over BJTs, including their current-voltage characteristics. Learn the principles that make MOSFETs suitable for high-speed and high-efficiency applications.
Module - 3 Lecture - 2 Metal Oxide Semiconductor Field Effect Transistor(MOSFET)-Part-2
Prof. Chitralekha Mahanta

Play

Continue your exploration of MOSFETs with a deeper look into their functioning under various conditions. This module focuses on the enhancement and depletion modes, highlighting the versatility of MOSFETs in different electronic applications. Gain insights into the operational parameters that influence MOSFET performance in complex circuits.
Module - 3 Lecture - 3 MOSFET under dc operation
Prof. Chitralekha Mahanta

Play

Examine the DC operation of MOSFET circuits, essential for understanding their role in electronic systems. This module covers biasing techniques and circuit configurations that ensure optimal MOSFET performance. Learn how to analyze and design MOSFET circuits for stability and efficiency in various applications.
Module - 3 Lecture - 4 Mosfet as an Amplifier
Prof. Chitralekha Mahanta

Play

Explore how MOSFETs are used as amplifiers in electronic circuits. This module explains the configurations and design principles that enable MOSFETs to function effectively as amplifiers. Understand the factors that influence amplifier gain and linearity, and learn to optimize these parameters in your electronic designs.
Module - 3 Lecture - 5 Small signal model of MOSFET - Part 1
Prof. Chitralekha Mahanta

Play

Delve into the small signal model of MOSFETs, which aids in analyzing their performance in amplifier circuits. This module covers the principles behind the small signal model and how it is applied to predict amplifier behavior. Learn to design and optimize MOSFET amplifiers using this model for improved circuit performance.
Module- 3 Lecture - 6 Small signal model of MOSFET Part -2
Prof. Chitralekha Mahanta

Play

Continue learning about the small signal model of MOSFETs, focusing on its practical application in electronic circuit design. This module provides advanced insights into optimizing MOSFET amplifier performance. Understand how to apply the small signal model to achieve specific electronic system requirements efficiently.
Module - 3 Lecture - 7 High Frequency model of mosfet
Prof. Chitralekha Mahanta

Play

Examine the high-frequency model of MOSFET amplifiers, crucial for designing circuits that operate at higher frequencies. This module explains the principles and challenges associated with high-frequency MOSFET operation. Learn strategies to overcome these challenges, ensuring reliable and efficient performance in high-frequency applications.
Module - 3 Lecture - 8 Junction Field Effect Transistor
Prof. Chitralekha Mahanta

Play

This module delves into the intricacies of the Junction Field Effect Transistor (JFET). It covers the fundamental concepts of JFET structure and operation, highlighting its distinctive features compared to BJTs. Students will explore the current-voltage characteristics, the concept of pinch-off voltage, and the methods of biasing JFETs in various circuits. The module provides insights into the applications of JFETs in amplifiers and switching circuits, emphasizing their high input impedance and low noise advantages.
Module - 4 Lecture - 1 Operational Amplifier (Introduction)
Prof. Chitralekha Mahanta

Play

This module offers an introduction to operational amplifiers (op-amps), focusing on their ideal characteristics and applications. Students will gain an understanding of the basic op-amp model, learning about input and output impedances, voltage gain, and bandwidth. The module also covers the advantages of using op-amps in various electronic circuits, providing a foundation for more advanced studies in analog electronics.
Module - 4 Lecture - 2 Ideal Op-Amp
Prof. Chitralekha Mahanta

Play

This module explores the ideal operational amplifier, focusing on its theoretical model and characteristics. Students will study the principles of infinite gain, infinite input impedance, and zero output impedance. The module discusses the concept of virtual ground and examines typical op-amp configurations such as inverting and non-inverting amplifiers. Practical examples and exercises are included to solidify understanding.
Module - 4 Lecture - 3 Op-Amp applications Part -1
Prof. Chitralekha Mahanta

Play

This module introduces the first part of operational amplifier applications, focusing on practical circuits. Students learn to design and analyze circuits such as inverting and non-inverting amplifiers, voltage followers, and summing amplifiers. The module emphasizes the versatility of op-amps in analog signal processing, highlighting their role in amplification and manipulation of electronic signals.
Module - 4 Lecture - 4 Op-Amp Applications Part -2
Prof. Chitralekha Mahanta

Play

In this module, students continue to explore operational amplifier applications with a focus on more complex circuits. The module covers integrators and differentiators, examining their roles in analog computing and control systems. Students will also learn about filters and oscillators, understanding how op-amps can be employed to shape and generate signals in various electronic applications.
Module - 4 Lecture - 5 Op-Amp Applications Part - 3
Prof. Chitralekha Mahanta

Play

This module concludes the exploration of operational amplifier applications by addressing advanced topics. Students will delve into instrumentation amplifiers, active filters, and waveform generators. The module also covers op-amp-based comparators and Schmitt triggers, providing comprehensive knowledge of how op-amps can be used in precise and complex electronic designs.
Module - 4 Lecture - 6 The practical Op-Amp
Prof. Chitralekha Mahanta

Play

This module introduces the practical aspects of operational amplifiers, focusing on real-world considerations. Students will learn about the limitations and non-ideal characteristics of op-amps, such as finite gain, bandwidth, and slew rate. The module provides strategies for compensating these limitations in circuit design, ensuring students can effectively apply op-amps in a variety of applications.
Module - 4 Lecture - 7 Positive feedback and oscillation
Prof. Chitralekha Mahanta

Play

This module explores the concepts of positive feedback and oscillation in electronic circuits. Students will learn how to utilize positive feedback to create oscillators, examining the conditions necessary for oscillation. The module covers common oscillator designs, such as the Wien bridge and phase shift oscillators, providing a thorough understanding of their operations and applications in generating stable waveforms.
Module - 4 Lecture - 8 Comparator
Prof. Chitralekha Mahanta

Play

In this module, students will learn about comparators, an essential application of operational amplifiers. The module covers the fundamental principles of comparator operation, including input-output characteristics and threshold voltages. Students will also explore various comparator configurations and how they are used in analog-to-digital conversion, signal conditioning, and other electronic applications.
Module - 5 Lecture - 1 Large Signal Amplifiers
Prof. Chitralekha Mahanta

Play

This module introduces large signal amplifiers, focusing on their role in power amplification. Students will explore the characteristics of Class A amplifiers, understanding their linearity and efficiency trade-offs. The module also covers second-harmonic distortion and its impact on audio quality, providing practical insights into designing amplifiers for high-fidelity sound reproduction.
Module - 5 Lecture - 2 Transformer Couple Power Amplifier
Prof. Chitralekha Mahanta

Play

In this module, students will learn about transformer-coupled power amplifiers, a critical component in audio engineering. The module explains the principles of transformer coupling, highlighting its advantages in impedance matching and signal transfer. Students will explore design considerations for achieving optimal audio performance, ensuring effective power transmission and minimal distortion.
Module - 5 Lecture - 3 Class AB Operations of PowerAmplifier
Prof. Chitralekha Mahanta

Play

This module examines Class AB operations of power amplifiers, which combine the efficiency of Class B and the linearity of Class A amplifiers. Students will learn about the biasing techniques used in Class AB amplifiers to minimize crossover distortion. The module also covers design strategies for achieving high efficiency and fidelity in audio amplification applications.
Module - 5 Lecture - 4 Power BJTs
Prof. Chitralekha Mahanta

Play

In this module, students will gain insights into power BJTs (Bipolar Junction Transistors) and their applications in high-power circuits. The module covers the physical structure of power BJTs, their operational characteristics, and the thermal management techniques necessary for reliable performance. Students will also learn about the role of power BJTs in amplification and switching applications.
Module -5 Lecture - 5 Regulated Power Supply
Prof. Chitralekha Mahanta

Play

This module explores the design and implementation of regulated power supplies, crucial for ensuring stable voltage in electronic systems. Students will learn about linear and switching regulators, their operational principles, and the advantages of each type. The module also covers the design of series voltage regulators, focusing on voltage stability and load regulation.
Module - 5 Lecture - 6 Four Layered Diode
Prof. Chitralekha Mahanta

Play

This module introduces four-layer diodes, focusing on their p-n-p-n characteristics and applications. Students will explore the operation of these devices, understanding how they function as switches in electronic circuits. The module covers the breakdown behavior and bistable operation of four-layer diodes, emphasizing their use in SCRs and other thyristor applications.
Module - 5 Lecture - 7 Silicon Control Rectifier
Prof. Chitralekha Mahanta

Play

This module focuses on the Silicon Controlled Rectifier (SCR), a type of thyristor used for controlling power in circuits. Students will learn about SCR structure, operation, and triggering methods. The module provides insights into the applications of SCRs in power control and conversion, such as in motor drives and AC/DC converters, highlighting their importance in modern electrical systems.
Module - 5 Lecture - 8 SCR Applications
Prof. Chitralekha Mahanta

Play

In the final module, students will explore the varied applications of Silicon Controlled Rectifiers (SCRs). The module covers SCRs in power electronics, focusing on their role in phase control, light dimming, and overvoltage protection. Students will gain practical insights into designing circuits with SCRs, ensuring efficient and reliable performance in diverse applications.

Course

Course Lectures