In this course, we will discuss the operation of the Amplifier, Oscillators circuits. Amplifier is one of the most common linear design building blocks.An amplifier is an electronic device that increases the voltage, current, or power of a signal. Amplifiers are used in wireless communications and broadcasting, and in audio equipment of all kinds.Because of the performance and economic advantages of available units, present applications extend far beyond the original ones, and modern operational amplifiers are used as general purpose analog data-processing elements. An electronic oscillator is an circuit that produces a periodic, oscillating electronic signal, often a sine wave or a square wave. Oscillators convert direct current (DC) from a power supply to an alternating current (AC) signal. They are widely used in many electronic devices. Common examples of signals generated by oscillators include signals broadcast by radio and television transmitters.
Upon successful completion of the course, the learner will be able to
Design various amplifier and oscillator circuits.
Analyze the working of amplifiers and oscillators.
Design wave shaping circuits and multivibrators.
Understand the working of power amplifiers.
Design and analyse DC-DC converters.
This session gives you knowledge about feedback Concepts – gain with feedback, effect of feedback on gain stability, distortion, bandwidth, input and output impedances. Also explore to various topologies of feedback amplifiers. It gives detailed analysis of series-series, shunt-shunt and shunt-series feedback amplifiers. It enables you about the stability problem with Gain and Phase-margins and also about frequency compensation.
This module starts with the basics of oscillator which also has Barkhausen criterion for oscillation. The different types of oscillators were explained. They are as,
- phase shift oscillator
- wien bridge oscillator
- Hartley & Colpitt‘s oscillator
– Clapp oscillator
-Ring oscillator and crystal oscillators.
The stability problem in oscillators also discussed.
This module enable you about the Coil losses, unloaded and loaded Q (quality factor) of tank circuits. There will be a detailed analysis of small signal tuned amplifiers and double tuned amplifier.
The effects of cascading single tuned and double tuned amplifiers on bandwidth are explained.
It explore you to stagger tuned amplifiers and Stability of tuned amplifiers.
It describes about Neutralization - Hazeltine neutralization method.
In this module, waveshaping circuits like pulse circuits, attenuators, RC integrator and differentiator circuits are explained.
Diode clampers and clippers to modify the waveforms are discussed.
To create signal with different stable operations multivibrators are designed.
To enable about schmitt Trigger and UJT Oscillator.
This module explores about Power amplifiers and its types as class A, Class B, Class AB and Class C.
It gives introduction about Power MOSFET and its temperature effect. Implementation of Class AB Power amplifier using MOSFET.
It covers the analysis and design of DC/DC converters.
The types of DC/DC converters are Buck, Boost and Buck-Boost.
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