![]() ![]() The point at which this occurs is called the Resonant Frequency point, ( ƒ r ) of the circuit, and as we are analysing a series RLC circuit this resonance frequency produces a Series Resonance. In a series RLC circuit there becomes a frequency point were the inductive reactance of the inductor becomes equal in value to the capacitive reactance of the capacitor. Also what would the circuits “frequency response” behaviour be upon the two reactive components due to this varying frequency. ![]() We have also seen in our tutorial about series RLC circuits that two or more sinusoidal signals can be combined using phasors providing that they have the same frequency supply.īut what would happen to the characteristics of the circuit if a supply voltage of fixed amplitude but of different frequencies was applied to the circuit. Thus far we have analysed the behaviour of a series RLC circuit whose source voltage is a fixed frequency steady state sinusoidal supply. In this tutorial we will look at the frequency response of a series resonance circuit and see how to calculate its resonant and cut-off frequencies. A resonant circuit consists of R, L, and C elements and whose frequency response characteristic changes with changes in frequency.
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