The transistor in the circuit shown in the figure. is so biased (dc biasing N/W is not shown) that the dc collector curr

In the cascade amplifier circuit shown below, determine the values of R1, R2 and RL. Such that the quiescent current thr

An Amplifier a has 6 dB gain and 50 $$\Omega $$ input and output impedances. The noise figure of this Amplifier as show

Negative feedback in 1. Voltage series configuration 2.Current shunt configuration (a) increases input impedance (b)

An IC 555 chip has been used to construct a pulse generator. Typical pin connections with components is shown below in f

The output voltage V0 of the circuit shown in the figure is

Consider the circuit given in fig. using an ideal operational Amplifier. The characteristics of the diode are given by

The line code that has zero dc component for pulse transmission of random binary data is

A deterministic signal has the power spectrum given in figure. The minimum sampling rate needed to completely represent

A probability density function is given by $$p(x) = \,K\,\,\exp \,\,( - \,{x^2}/2),\,\, - \,\infty \, < \,x < \,\i

A certain linear time invariant system has the state and the output equations given below $$$\left[ {\matrix{ {\matho

In the signal flow graph of Fig. y/x equals

Following fig. shows the block diagram representation of control system. The system in block A has an impulse response h

For the circuit shown in the figure, choose state variables as $${x_{1,}}{x_{2,}}{x_3}$$ to be $${i_{L1}}\left( t \rig

For the NMOS logic gate shown in figure, the logic function implemented is

The gate delay of an NMOS inverter is dominated by charge time rather than discharge time because

A sequence generator is shown in figure. The counter status (Q0 Q1 Q3) is intialized to 010 using preset/clear inputs. T

The inverter 74AL SO4 has the following specifications: $${I_{OH}}{\,_{\max \,}} = \, - $$ 0.4mA, $${I_{OL}}$$ max =

A signed integer has been stored in a byte using the 2's complement format. We wish to store the same integer in a 16-bi

The output of the logic gate in figure is

A 2-bit binary multiplier can be implemented using

In a J_K flip-flop, we have J=$$\overline Q $$ and K=1 (see figure). Assuming the flip-flop was intially cleared and the

In standard TTL the 'totem pole' stage refers to

A transmission line of 50$$\Omega $$ characteristic impedance is terminated with a 100 $$\Omega $$ resistance. The minim

A $${\lambda \over 2}$$ section of a 600 $$\Omega $$ transmission line, short ciruited at one end and open circuited at

A uniform plane wave is normally incident from air on an infinitely thick magnetic material with relative permeability 1

A rectangular air-filled waveguide has a cross section of $$4\,cm\,\, \times \,\,10cm$$. The minimum frequency which can

A parabolic dish antenna has a conical beam 20 wide. The directivity of the antenna is approximately

A dipole antenna has a sin$$\theta $$ radiation pattern where the angle $$\theta $$ is measured from the axis of the dip

The units of $$\frac q{KT}$$ are

The curve given by the equation $${x^2} + {y^2} = 3axy$$ is

The laplace transform of $${e^{\alpha t}}\,\cos \,\alpha \,t$$ is equal to ____________.

The decoding circuit shown below has been used to generate the active low chip select signal for a microprocessor periph

The following instructions have been executed by an 8085 $$\mu $$P From which address will be text instruction be fetc

In an 8085$$\mu$$P system, the RST instruction will cause an interrupt

In the circuit of Fig., all currents and voltage are sinusoids of frequency $$\omega $$ rad/sec. (a) Find the impedanc

In the circuil of Fig. the equivalent impedance seen across terminals A. B is

The voltage V in Fig. is equal to

The voltage V in Fig. is

The voltage V in Fig. is always equal to

In the circuit of Fig. when R = 0 Ω, the current iR equals 10 A. (a) Find the value of R for which it absorbs maximum p

For the circuit shown in Fig. choose state variables $$X_1,\;X_2,\;X_3$$ to be $$i_{L1}\left(t\right),\;v_{C2}\left(t\r

In the circuit of Fig., the current iD through the ideal diode (zero cut in voltage and zero forward resistance) equals

In the circuit of Fig., energy absorbed by the 4 Ω registor in the time interval (0,$$\infty$$) is

The current "i4" in the circuit of Fig. is equal to

The function f(t) has the Fourier Transform g($$\omega $$). The Fourier Transform of $$$g(t) = \left( {\int\limits_{ - \

The power spectral density of a deterministic signal is given by $${\left[ {\sin (f)/f} \right]^2}$$, where 'f' is frequ

If the Fourier Transfrom of a deterministic signal g(t) is G (f), then Item-1 (1) The Fourier transform of g (t -

The Laplace Transform of eat .cos$$\left( {\alpha t} \right).u\left( t \right)$$ is equal to

Match each of the items 1, 2 on the left with the most appropriate item A, B, C or D on the right. In the case of a lin

Fig.1, shows the block diagram representation of a control system. The system in block A has an impulse response $${h_A}

In Fig. 1, a linear time invariant discrete system is shown. Blocks labeled D represent unit delay elements. For $$n\, &