Two non-inverting amplifiers, one having a unity gain and other having a gain of twenty, are made using identical opera

In figure, all transistors are identical and have a high value of beta. The voltage VDC is equal to ______.

A binary source has symbol probabilities 0.8 and 0.2. If extension coding (blocks of 4 symbols) is used, the lower and u

For the signal constellation shown in the figure, the type of modulation is ________.

Two resistors $$\,{R_1}$$ and $$\,{R_2}$$ (in ohms) at temperatures $${T_1}{}^ \circ K$$ and $${T_2}{}^ \circ K$$ respec

A linear second order single input continuous-time system is described by the following set of differential equations $

The open-loop transfer function of a feedback control system is G(s)=$${1 \over {{{\left( {s + 1} \right)}^3}}}$$The ga

The characteristic equation of a feedback control system is given by s3 +5s2 +(K + 6)s + K =0 Where K > 0 is a scalar

A unity feedback control system has the open loop transfer function $$G\left(s\right)\;=\;\frac{4\left(1\;+\;2s\right)}

A second order system has a transfer function given by $$\mathrm G\left(\mathrm s\right)\;=\;\frac{25}{\mathrm s^2\;+\;8

In the signal flow graph of Figure, the gain c/r will be

In figure, the Boolean expression for the output in terms of inputs A, B and C when the clock ‘CK’ is high, is given by

The CMOS equivalent of the following n MOS gate (figure) is ________ (draw the circuit ).

A SR FLIP-FLOP can be converted into a T FLIP-FLOP by connecting ___ to Q and ___ to $$\overline Q $$.

The four variable function f is given in terms of min-terms as: f (A B C D ) = $$\sum {} $$m (2,3,8,10,11,12,14,15 .) U

The input impedance of a short-circuited lossless transmission line guarter wave long is

The electric field component of a uniform plane electromagnetic wave propagating in the $$Y$$-direction in a lossless

A uniform plane electromagnetic wave traveling in free-space enters into a lossless medium at normal incidence. In the m

In a board side array of 20 isotropic radiators, equally spaced at a distance of $$\lambda /2$$, the veam width between

In the radiation pattern of a 3-element array of isotropic radiators equally spaced at distances of $${\lambda /4}$$ it

Referring to the figure. The switch S is in position 1 initially and steady state conditions exist from time t = 0 to t

The small signal capacitances of an abrupt P+−N junction is 1 nF at zero bias. If the built-in voltage is 1 volt, the ca

A silicon sample is uniformly doped with 1016 phosphorous atoms/cm3 and 2 ×1016 boron atoms/cm3. If all the dopants are

The program given below is run on an 8085 based microcomputer system. Determine the contents of the registers: PC, SP, B

The network shown in figure is initially under steady-state condition with the switch in position 1. The switch is moved

In a series RLC high Q circuit, the current peaks at a frequency

The necessary and sufficient condition for a rational function of s, T(s) to be driving point impedance of an RC network

Two two-port networks are connected in cascade. The combination is to be represented as a single two-port network. The p

Find the Laplace transform of the waveform x(t) shown in Fig.1.

The voltage across an impedance in a network is V(s) = Z(s) I(s), where V(s), Z(s) and $${\rm I}$$(s) are the Laplace Tr

An excitation is applied to a system at $$t = T$$ and its response is zero for $$ - \infty < t < T$$. Such a sys

The pole-zero pattern of a certain filter is shown in the Fig. The filter must be of the following type.

A signal has frequency components from 300 Hz to 1.8 KHz. The minimum possible rate at which the signal has to be sample