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BARC Quiz 2
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Question 1
The value of R2 required in the regenerative comparator circuit shown in figure (A). Obtain the transfer characteristic as shown in figure B. is _______ k
Question 2
Consider the RLC circuit shown in figure. For step input (Vi), the overshoot is equal to
Question 3
The normalized radiation intensity of antenna is given by,
The directivity of the antenna is
Question 4
Consider a message signal m(t) with power spectrum density Sm(f) and pre-emphasis circuit with transfer function H(f) as :
The positive scaling factor K is chosen so that average power of emphasized message signal is same as that of original message signal m(t). If , find K.
Question 5
A universal logic gate/ circuit can implement any Boolean function by connecting sufficient number of them approximately, and then which of the following can be used as universal logic gate / circuit.
Question 6
A uniformly doped GaAs junction at T=300K has 25% of total space charge region in p-region at zero bias. For the given value of V0 = 1.5V and , corresponding values of ND and NA in are respectively (VT = 26mV)
Question 7
Which of the following is the plot of driving point RC admittance function?
Question 8
A waveform of second derivative of a certain signal is shown below.
The Fourier transform of given signal f(t) is.
Question 9
In the circuit shown the source voltage is for and ‘0’ otherwise. If the switch is closed at t = 1 sec, then find the for
Question 10
In the circuit shown below both the op-amps are ideal. If the switch is closed at t = 0 then find the output voltage V0 at t = 1 msec.
(Initially capacitor is uncharged)
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ESE & GATE ECGeneralMar 7ESE & GATE EC