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Q. Draw and explain a differential circuit
A differentiator is a high pass RC circuit having a very small time constant. It is a circuit which gives an output voltage proportional to the derivative of the input voltage. A high pass RC circuit is a circuit, which allows only high frequency to pass through.
The output current I = C dVi/dt.
∴ V out= Rcdvi/dt
∴Vo ∝ d (vi)/dt
For a high pass RC circuit to act as differentiator time constant (t) of the circuit (RC) should be very much less than the input time period (T). Here if we give a constant input we get no output. For sine wave as input we get cosine wave as output. For square wave we get narrow pulses as output.
Q. Draw and explain the working of a negative clamping circuit. The clamping network shown above is a negative clamping circuit that will clamp the input signal to a negative d
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Consider the following mechanical system: a) Write a differential equation that describes the motion for this system. b) Take the Laplace transform of this equation and
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Determine the current through each parallel branch of the system
Q. Draw the circuit of a two stage RC coupled amplifier?
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