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Q. Draw and explain an RC integrator, with equations
RC Integrator is a low pass RC circuit in which the output is taken across capacitor. The low pass RC circuit gives considerable gain when low frequency signal is applied. It is because of the high reactance offered by the capacitor at low frequencies. The integrator circuit gives the output proportional to the integral of the input signal.
Voltage across the capacitor Vo = 1/C∫idt
Ie, 1/RC∫Vidt
Vo∝ ∫Vidt
The gain shown by this circuit decreases considerably with increase in frequency. This gives triangular wave to square wave input, cosine wave to sine wave input and a parabolic wave to a triangular wave input.
stack Pointer (SP) It is also a 16 bit register and a memory pointer similar to program counter. It holds the memory address of the top of the stack. Stack is a part of
Q. A 230-Vdc shuntmotor delivers 30 hp at the shaft at 1120 r/min. If the motor has an efficiency of 87% at this load, find: (a) The total input power. (b) The line current.
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Q. Consider the circuit of Figure in which the switch S has been open for a long time and is closed at t = 0. Determine v C (t) for t ≥ 0.
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Explain Inverse Discrete-Time Fourier Transform 1. Observe the same things among this formula and the inverse analogue Fourier transform: The (1/2π) factor The sign
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