October 2006
Intermediate to advanced
424 pages
11h 49m
English
Content preview from Electronic Devices and Circuits, 2nd Edition
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Chapter 6
Oscillators
6.1 Introduction
When an A.C. signal is applied to the input of certain electronic circuits using transistors, or field effect transistors, they produce an output signal larger than the input signal. This process is called amplification. Electronic circuits that produce amplification of signals are called amplifiers. They are used in front end of receivers, measuring instruments and in communication transmitters and receivers and so on.
Today, modern electronic communication systems essentially require the sinusoidal oscillators. An amplifier with positive feedback with associated components forms an oscillator. Oscillator circuit produces a periodic wave form that repeats at regular intervals. They draw D.C. power from ...
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