A cascade connection of two voltage amplifiers A1 and A2 is shown in the figure. The open-loop gain Av0, input resistanc

In the differential amplifier shown in the figure, the magnitudes of the common-mode and differential-mode gains are 𝐴c

The feedback topology in the amplifier circuit (the base bias circuit is not shown for simplicity) in the figure is

The power spectral density of a real stationary random process X(t) is given by $$${S_x}\left( f \right) = \left\{ {\ma

The input to a 1-bit quantizer is a random variable X with pdf $${f_x}(x) = 2{e^{ - 2x}}\,\,for\,\,x \ge 0$$ and $${f_x}

The capacity of band-limited additive white Gaussian noise (AWGN) channel is given by $$C = \,W\,\,{\log _2}\left( {1 +

Coherent orthogonal binary FSK modulation is used to transmit two equiprobable symbol waveforms $${s_1}\,(t)\, = \,\alp

For the following system, When X1(s) = 0 , the transfer function $$\frac{\mathrm Y\left(\mathrm s\right)}{{\mathrm X}_2

The natural frequency of an undamped second-order system is 40 rad/s. If the system is damped with a damping ratio 0.3,

The Bode asymptotic magnitude plot of a minimum phase system is shown in the figure. If the system is connected in a

An unforced linear time invariant (LTI) system is represented by $$$\left[ {\matrix{ {\mathop {{x_1}}\limits^ \bullet

Consider the state space system expressed by the signal flow diagram shown in the figure. The corresponding system is

The outputs of the two flip-flops Q1, Q2 in the figure shown are initialized to 0, 0. The sequence generated at Q1 upon

In the circuit shown, choose the correct timing diagram of the output (y) from the given waveforms W1, W2, W3 and W4.

The number of bytes required to represent the decimal number 1856357 in packed BCD (Binary Coded Decimal) form is ______

For an n - variable Boolean function maximum number of prime implicants is

In a half-subtractor circuit with X and Y as inputs, the Borrow (M) and Difference (N = X - Y) are given by

In the transmission line shown, the impedance $${Z_{in}}$$ (in ohms) between node A and the ground is

To maximize power transfer, a lossless transmission line is to be matched to a resistive load impedance via a $$\lambda

Which one of the following field patterns represents a TEM wave traveling in the positive $$x$$ direction?

If the electric field of a plane wave is $$$\overrightarrow E \left( {z,t} \right) = \widehat x3\cos \left( {\omega t -

For a rectangular waveguide of internal dimensions $$a\,\, \times \,\,b$$ (a > b), the cut-off frequency for the $$T{

Assume electronic charge q = 1.6×10-19 C, kT/q = 25 mV and electron mobility μn = 1000 cm2/V-s. If the concentration gra

Consider an abrupt PN junction (at T = 300 K) shown in the figure. The depletion region width Xn on the N-side of the ju

An increase in the base recombination of a BJT will increase

In CMOS technology, shallow P-well or N-well regions can be formed using

For the n-channel MOS transistor shown in the figure, the threshold voltage VTh is 0.8V. Neglect channel length modulati

For the MOSFETs shown in the figure, the threshold voltage |Vt| = 2V and K=$${1 \over 2}\mu {C_{OX}}\left( {{W \over L}}

The system of linear equations $$\left( {\matrix{ 2 & 1 & 3 \cr 3 & 0 & 1 \cr 1 & 2 &am

The determinant of matrix $$A$$ is $$5$$ and the determinant of matrix $$B$$ is $$40.$$ The determinant of matrix $$AB$

The maximum value of the determinant among all $$2 \times 2$$ real symmetric matrices with trace $$14$$ is ______.

For $$0 \le t < \infty ,$$ the maximum value of the function $$f\left( t \right) = {e^{ - t}} - 2{e^{ - 2t}}\,$$ occ

The value of $$\mathop {\lim }\limits_{x \to \infty } {\left( {1 + {1 \over x}} \right)^x}\,\,$$ is

If $$\,\overrightarrow r = x\widehat a{}_x + y\widehat a{}_y + z\widehat a{}_z\,\,\,\,$$ and $$\,\left| {\overrightarr

Let $$X$$ be a random variable which is uniformly chosen from the set of positive odd numbers less than $$100.$$ The exp

If the characteristic equation of the differential equation $$\,{{{d^2}y} \over {d{x^2}}} + 2\alpha {{dy} \over {dx}} +

The real part of an analytic function $$f(z)$$ where $$z=x+jy$$ is given by $${e^{ - y}}\cos \left( x \right).$$ The ima

For the 8085 microprocessor, the interfacing circuit to input 8-bit digital data (DI0 – DI7) from an external device is

Norton's theorem states that a complex network connected to a load can be replaced with an equivalent impedance

In the figure shown, the ideal switch has been open for a long time. If it is closed at t=0, then the magnitude of the c

A series LCR circuit is operated at a frequency different from its resonant frequency. The operating frequency is such t

In the h-parameter model of the 2-port network given in the figure shown, the value of h22 (in S) is _____ .

In the figure shown, the capacitor is initially uncharged. Which one of the following expressions describes the current

In the magnetically coupled circuit shown in the figure, 56 % of the total flux emanating from one coil links the other

An FIR system is described by the system function $$$H(z) = 1 + {7 \over 2}{z^{ - 1}} + {3 \over 2}{z^{ - 2}}$$$

Let x$$\left[ n \right]$$ = x$$\left[- n \right]$$ . Let X(z) be the z-transform of x$$\left[ n \right]$$. if 0.5 +j 0.2

The input-output relationship of a causal stable LTI system is given as 𝑦[𝑛] = 𝛼 𝑦[𝑛 − 1] + $$\beta $$ x[n]. If

The value of the integral $$\int\limits_{ - \infty }^\infty {\sin \,{c^2}} $$ (5t) dt is

Consider a discrete-time signal $$x\left[ n \right] = \left\{ {\matrix{ {n\,\,for\,\,0 \le n \le 10} \cr {0\,\

Consider the periodic square wave in the figure shown. The ratio of the power in the 7th harmonic to the power in the 5