Shown that the system in Fig. is a double integrator. In other words, prove that the transfer gain is given by $${{{V_0}

A transistor having $$\alpha$$ = 0.99 and VBE = 0.7 V, is used in the circuit of the figure.What is the value of the col

A BJT is said to be operating in the saturation region if

An n-channel JFET has IDSS = 1 mA and Vp = -5 V. Its maximum transconductance is ______

A power Amplifier delivers 50 W output at 50% efficiency. The ambient temperature is 25$$^\circ $$ C. if the maximum all

The circuit shown, the figure supplies power to on 8 v speaker or L.S. The vaLUES OF $${I_C}$$ and $${V_{CE}}$$ for thi

To obtain very high input and output impedances in a feedback Amplifier, the mostly used is

An op-Amp is used as a zero-crossing detector. If maximum output available from the Op-Amp is $$ \pm 12\,\,{V_{p - p}}$$

A change in the value of the Emitter resistance (Re in a difference Amplifier.

In the given circuit if the voltage inputs V- and V+ are to be Amplified by the same Amplification factor, the value of

In the JFET circuit shown in Fig assume that R1||R2 = 1 M$$\Omega $$ and the total stray capacitance at the output to

An RC-Coupled Amplifier is assumed to have a single-pole low frequency transfer function. The maximum lower-cutoff frequ

An Amplifier has an open-loop gain of 100 and its lower and upper-cut-off frequency of 100 Hz and 100 kHz respectively,

If the number of bits per sample in a PCM system is increased from n to n+1, the improvement in signal-to-quanti

The signal to quantization noise ratio in an n-bit PCM system

For a narrow band noise with Gaussian quadrature and inphase components, the probability density function of its enveolo

The step error coefficient of a system G(s)=$$\frac1{\left(s+6\right)\left(s+1\right)}$$ with unity feedback is

If $$L\left(f\left(t\right)\right)=\frac{2\left(s+1\right)}{s^2+2s+5}$$ then f(0+) and f($$\infty$$) are given by [Note:

The final value theorem is used to find the

For a second order system, damping ratio $$\left(\xi\right)$$ , is 0 < $$\xi$$ < 1 ,then the roots of the characte

Signal flow graph is used to find

The transfer function of a linear system is the

Non - minimum phase transfer function is defined as the transfer function

The minimum number of MOS transistors required to make a dynamic RAM cell is

An R-S latch is

A switch-tail ring counter is made by using a single D flip-flop. The resulting circuit is a

The output of the circuit shown in figure is equal to

A ROM is to be used to implement the Boolean functions given below: $${F_1}$$$$(A,\,B,\,C,\,D) = ABCD + \bar A\,\overli

The minimum number of NAND gates required to implement the Boolean function $$A + A\overline B $$ $$ + A\overline B C$$

A 'code converter' is to be designed to convert from the BCD(5421) to the normal BCD (8421). The input BCD combinations

Two dipoles are so fed and oriented in free space that they produce the following electromagnetic waves: $$${E_x} = 10\

An antenna when radiating, has a highly directional radiation pattern. When the antenna is receiving its radiation patte

A rectangular hollow metal waveguide is required to be so designed to propagate a 9375 MHz signal in its $$T{E_{10}}$$-m

In the infinite plane, y = 6 m, there exists a uniform surface charge density of (1/6000$$\pi $$) $$\mu $$C/m2. The asso

The electric field strength at a distance point, P, due to a point charge, +q, located at the origin, is 100 $$\mu $$V/

Copper behaves as a

The intrinsic impedance of a lossy dielectric medium is given by

The probability that an electron in a metal occupies the Fermi-level at any temperature (> 0 K)

The depletion capacitance, CJ, of an abrupt P-N junction with constant doping on either side varies with reverse bias, V

A zener diode works on the principle of

The diffusion potential across a P-N junction

The drift velocity of electrons in silicon

In a P-type silicon sample, the hole concentration is $$2.25\times10^{15}/cm^3$$. If the intrinsic carrier concentration

The Early-Effect in a bipolar junction transistor is caused by

The Ebers-Moll model is applicable to

A BJT is said to be operating in the saturation region if

The breakdown voltage of a transistor with its base open is BVCEO with emitter open is BVCBO, then

If $$L\left\{ {f\left( t \right)} \right\} = {{2\left( {s + 1} \right)} \over {{s^2} + 2s + 5}}$$ then $$f\left( {{0^ +

The third term in the taylor's series expansion of $${e^x}$$ about $$'a'$$ would be ________.

By reversing the order of integration $$\int\limits_0^2 {\int\limits_{{x^2}}^{2x} {f\left( {x,y} \right)dy\,dx} } $$ may

An 'Assembler' for a microprocessor a used for

In a microprocessor, when a CPU is interrupted, it

For the 2-port network shown in Fig. determine the h-parameters. Using these parameters, calculate the output (port '2'

Show that the system shown in Fig. is a double integator. In other words, prove that the transfer gain is given by $${{

Find the current-transfer-ratio, $${{I_2}}$$/$${{I_1}}$$, for the network shown below (Fig). Also, mark all branch curre

A series $$R$$-$$L$$-$$C$$ circuit has a $$Q$$ of $$100$$ and an impedance of $$\left( {100 + j0} \right)\,\Omega $$ at

The current $$i(t)$$ through a $$10$$-$$\Omega $$ resistor in series with an inductance is given by $$i(t)$$$$ = 3 + 4\

Consider a DC voltage source connected to a series R-C circuit. When the steady-state reaches, the ratio of the energy s

A DC voltage source is connected across a series R-L-C circuit. Under steady-state conditions, the applied DC voltage dr

Determine the current, i(t), in the circuit given below, (Fig.), using the Thevenin's theorem.

The value of the resistance, R, connected across the terminals, A and B, (ref. Fig.), which will absorb the maximum powe

Two 2H inductance coils are connected in series and are also magnetically coupled to each other the coefficient of coupl

The final value theorem is used to find the

A 1.0 kHz signal is flat - top sampled at the rate of 1800 samples/sec and the samples are applied to an ideal rectangul

A signal v(t)= [1+ m(t) ] cos $$({\omega _c}t)$$ is detected using a square law detector, having the characteristic $${v

Non - minimum phase transfer function is defined as the transfer function

Let h(t) be the impulse response of a linear time invariant system. Then the response of the system for any input u(t) i

The transfer function of a linear system is the

A sinsoidal signal, v(t) = A sin(t), is applied to an ideal full-wave rectifier. Show that the Laplace Transform of the

If L$$\left[ {f\left( t \right)} \right]$$ = $${{2\left( {s + 1} \right)} \over {{s^2} + 2s + 5}}$$, then $$f\left( {0 +

Match each of the items, A, B and C, with an appropriate item from 1, 2, 3, 4 and 5 A. Fourier transform of a Gaussian