Semiconductor Devices PDF Notes Free Download
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We have compiled comprehensive Semiconductor Devices PDF Notes for students. This PDF contains everything you need to understand the concepts clearly, from the basics to advanced applications.
Types of Semiconductor Materials
Semiconductors material are elements that are used to manufacture Semiconductor Devices. These semi-conducting material are classified into two main types:
- Intrinsic Semiconductors: These are pure semiconductors without any added impurities. They have an equal number of free electrons and holes. The most common intrinsic semiconductors are silicon (Si) and germanium (Ge).
- Extrinsic Semiconductors: These semiconductors are formed by adding impurities (doping) to intrinsic semiconductors to improve their conductivity. Based on the type of impurity added, extrinsic semiconductors are classified into two types: (a) N-Type Semiconductors, and (b) P-Type Semiconductors.
Uses of Silicon in Electronics
Types of Semiconductor Devices
Semiconductor devices are mainly classified into two types:
- Discrete Semiconductor Devices: These are single, individual electronic components that perform specific functions in an electronic circuit. They are not integrated into a single chip but exist as individual parts. Examples – Diode, Transistor, Thyristor, Photodiode, Solar Cell.
- Integrated Circuits (ICs): They contain multiple semiconductor components like transistors, diodes, resistors, and capacitors on a single chip. They are used to perform complex tasks and are categorized based on their functionality. Examples – Analog Integrated Circuit, Digital IC, Mixed Signal IC.
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