RC phase shift oscillator
Aim: -
To determine the frequency of the RC phase shift oscillator.
Apparatus: -
BJT, resistor, capacitor, CRO, breadboard, connection wire
Principle: - The BJT picks up small fluctuations at the input and amplifies them with a 180-degree phase shift
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Theory:-
An oscillator converts AC to DC RC phase shift oscillator uses there identical RC blocks which act as feedback of oscillation is given by f= 1/1/2πRC√6
Procedure:-
Identify the pin details of the transistor and test it using a millimeter. Set up the circuit on the breadboard as shown in the figure.
Calculate the frequency from CRO display f=1/T
Verify the practical frequency with the theoretical value.
Calculation:-
Theoretical frequency: -
f=1/2πRC√6
Result: -
The frequency of the RC phase shift oscillator is determined and verified with the theoretical value. They are nearly equal.
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