Designing Class a Colpitts Oscillator and Analyzing the Effect of DC Power Supply on its Frequency Stability ijtsrd


Oscillator circuit is one that converts DC power into AC power at a frequency without any input signal. Oscillators are commonly used in communication systems to generate carrier frequency ranging from audio frequency 20 Hz to radio frequency 100G Hz . There are two main classes of oscillators, harmonic oscillator with sinusoidal output e.g. sine wave and relaxation oscillator with non sinusoidal output e.g. square wave, triangle wave, etc. . In this paper, class A Colpitts oscillator with LC feedback circuit is designed as a radio frequency oscillator to generate the output signals at 5M Hz. After designing, this circuit is simulated with Multisim software to analyze the effect of power supply on its frequency stability. Three supply voltages, 14 V, 12 V and 10 V are set as sample parameters to analyze the variation of frequency and voltage of the output signal. Changing DC power supply one by one as the above selected parameters in Multisim, the change of value of frequencies are noted and output signal results are also shown with the help of virtual oscillator.

by Thit Waso Khine “Designing Class a Colpitts Oscillator and Analyzing the Effect of DC Power Supply on its Frequency Stability”

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-5 , August 2019,

URL: https://www.ijtsrd.com/papers/ijtsrd28022.pdf

Paper URL: https://www.ijtsrd.com/engineering/electronics-and-communication-engineering/28022/designing-class-a-colpitts-oscillator-and-analyzing-the-effect-of-dc-power-supply-on-its-frequency-stability/thit-waso-khine

call for paper Bioinformatics, international journal Computer Security, ugc approved journals Petroleum Engineering




Designing Class a Colpitts Oscillator and Analyzing the Effect of DC Power Supply on its Frequency Stability ijtsrd IEEE PAPER





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