NPTEL ANALOG ELECTRONICS PDF

Week 2 : Revisiting BJT - operation and characteristic equations. Revisiting MOSFET - operation and characteristic equations Week 3 : Analysis of simple non-linear circuits containing one transistor and introducing the notion of signal amplification. Input-output transfer characteristic of a non-linear circuit. Linearization of input-output transfer characteristic of a non-linear circuit and introducing the notion of small signal equivalent circuit. Small signal models of transistors. Week 4 : Amplifier models equivalent circuits : voltage amplifier, current amplifier, trans-conductance amplifier and trans-resistance amplifier.

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Examples of such tasks include generating and amplifying speech or music, TV broadcasting and displaying, cell phone and satellite communications. Students learn how to design sophisticated electronic microchips to perform these tasks in a variety of electronic systems.

The digital nature of electronic signals offers a convenient, compact and noise-free representation of information. Digital signals can be easily stored in an electronic memory and can be easily understood by digital microprocessors. Examples of engineering problems in digital electronics are: how to efficiently perform arithmetic operations with digital signals on a microprocessor, how to communicate data without losing information, and how to design a reusable reconfigurable digital processor.

Career choices are abundant in locations around the world. Commonly advertised positions include: digital electronics engineer, digital circuit design engineer and digital integrated circuit design engineer. Students who choose to seek depth in analog electronics also learn how networks of semiconductor devices such as transistors perform signal-processing tasks.

The analog nature of electronic signals is of importance as the real world is analog, and because in modern microchips even digital circuits exhibit analog behaviour. Examples of engineering problems in analog electronics are: how to efficiently represent an analog signal such as an image recorded by a digital camera in a digital format so that it can be stored in a digital memory or processed by a microprocessor; how to send large amounts of information such as high-definition video data from one microchip to another quickly; how to send data such as a text message to a cell phone wirelessly in the presence of interference; and how to design a pacemaker or neural implant to function inside a human body.

Career choices are abundant with locations around the world.

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Lectures - Notes (pdf) and Video (mp4)

What are linear ICs? Answer: A linear integrated circuit is a solid state analog device characterized by a theoretically infinite number of possible operating states. It operates over a continuous range of input levels. Within a certain input range, the amplification curve of a linear IC is a straight line i. The best known common linear IC is the operational amplifier or op amp. What is lock range and capture range of PLL?

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Analog Electronics(Prof.Razavi)

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