For the circuit of the following figure, with an ideal op-amp, the maximum phase shift of the output with reference to the input is :

The Hilbert transform of cos ω₁t + sin ω₂t is

The minimum energy of a photon required for intrinsic excitation is equal to

For a periodic signal with finite number of discontinuities in each period, at isolated points of discontinuity the series converges to __________ .

Assertion (A): An unbiased p-n junction develops a built-in potential at the junction with the n-side positive and the p-side negative.

Reason (R): The p-n junction behaves as a battery and supplies current to a resistance connected across its terminals.

The load end of a quarter wave transformer gets disconnected thereby causing an open-circuited load. What will be the input impedance of the transformer?

Which of the following does not show non-linear V-I characteristics?

The circuits with active pull up are preferred because of their stability for

Which one of the following is used as the interface chip for data transmission betweenand a 16-bit ADC?

The op-amp used in nonlinear mode is

How many maximum number of functions can be defined with two symbols which are Boolean in nature:

How many maximum number of functions can be defined with two symbols which are Boolean in nature:

Consider the following:

1. Oscillator
2. Emitter follower
3. Cascaded amplifier
4. Power amplifier

Which one of the following is used as the interface chip for data transmission betweenand a 16-bit ADC?

Which of the following photodetector does not provide gain?

Which one of the following is used as the interface chip for data transmission betweenand a 16-bit ADC?

Which one of the following is used as the interface chip for data transmission betweenand a 16-bit ADC?

Which of the following photodetector does not provide gain?

The characteristic equation of a control system is given as s⁴ + 4s³ + 4s² + 3s + K = 0.
What is the value of K for which this system is marginally stable?

A Hartley oscillator uses FET with g_m of 2 ms and r_d = 2 KΩ. The total coil inductance isμH with turns ratio of input to output side of 1 :It is tuned with apf capacitor. Find frequency of oscillations, amplifier gain margin in dB.

A transmitted using AM has in modulated carrier output power ofKW and can be modulated to a maximum depth ofby a sinusoidal modulating voltage without causing overloading. Find the value to which an modulated carrier power can be increased without resulting in overloading if the maximum permitted modulating index is 40%

Abit type ADC uses 1 MHz clock its maximum conversion time is __________ .

Consider the program segment written forbased system:
LXI S, FFFFH
MVI A, 00H
MVI B, 0FH
SUB B
CNC GOLOC
MVI A, FFH
where in the program subroutine labelled ''GOLOC'' introduces delay ofT-states only. How many T-states are required to execute above program statement?

If a signal f(t/has energy is E/n then energy of the signal f(nt) is equal to __________ (n is constant)

In a certain network not containing any dependent sources, number of nodes = 4 and number of branches is equal to 6.

AMHz plane EM wave is propagating in free space. The wave is incident normally on an infinite copper slap. The antenuation constant for the wave is (σ_copper = 5.8 x 10⁷ mho/ m)

The effective modulation index is:

The surface charge density on a conductor is 1.x 10^-9C/m². The conductor is immersed in water with ε = 78ε₀.The electric field will be __________ .

The question below consists of a pair of related words followed by four pairs of words. Select the pair that best expresses the relation in the original pair.
Unemployed: Worker

The following statements are true with respect to "Cascode Amplifier".

1. The reduction in h₁₂ and Miller capacitance result in negligible reverse internal feedback.
2. A's is large loads cannot be connected.
3. As a narrow band amplifier, it provides small range of c_μ is reduced.
4. As a narrow band amplifier it provides small range of frequencies parameters the effect of c_μ reduces.

The system of linear equations+= 1 ,+ y = 6 has

The depth of penetration at 4 MHz iscm, then at 2.5 MHz it is

Transmitted voltage level is:

Hari (H), Gita (G), Irfan (I) and Saira (S) are sibiligs (i.e. brothers and sisters). All were born on 1st January. The age difference between any two successive siblings (that is born one after another) is less than 3 years. Given the following facts:
(i) Hari's age + Gita's age > Irfan's age + Saira's age.
(ii) The age difference between Gita and Saira is 1 year. However, Gita is not the oldest and Saira is not the youngest.
(iii) There are not twins.
In what order were they born (Oldest first)?

An FM transmitter deliversto a load ofW when no modulation is present. The carrier is now frequency modulated by a single sinusoidal signal and the peak frequency deviation is so adjusted to make the amplitude of the second sideband is zero in the given output.
J₀(=
J₀(=
J₀(3.= - 0.
J₀(5.1)= - 0.1
J₁(= 0.
J₁((3.=
J₁(5.= - 0.
J₂(2.= 0.1
J₂(3.8)= 0.
J₂(5.= 0
Power in the first order sidebands is :

A 4 cm by 3 cm rectangular waveguide with air cavity, is operating atGHz with TE₁₁ mode. The cut-off frequency is:

The effective length of an 1/2 antenna (Given R_r =Ω and (A_e)_max = 0.34λ² and η = 120p) is __________ .

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

For a bipolar transistor, avalanche multiplication factor depends on __________ .

A conductor in x-y plane and having length 1 m is moving with a velocity V = (2i + 3j + k) m/sec. A magnetic induction field B = (i + 2j) Wb/m² is applied to the conductor. The potential difference between the ends of the conductor is

A delta modulation system is designed to operate at 3 times the Nyquist rate for a signal with a 3 KHz bandwidth. The quantization step size ismv. The maximum amplitude of a 1 KHz input sinusoidal for which the delta modulator does not show slope overload is :

In analog signal given below is sampled at such a rate that the samples of signal can be given to a collection of buffers having capacity of eithersamples/sec. orsamples/sec. The sampling rate is minimum such that it fully utilizes the collection of both types of buffers m(t) = 2 sin 480pt + 3 sinpt
The folding (maximum) frequency is

Which of the following may result in instability problem?

The Boolean expression B⊕E is a simplified version of expression ABE + BCDE+ BC D E + A B D E + B C D E + A B D E then which of the following choice is correct?

1. don't care conditions doesn't exist
2. don't care conditions exist
3. d(is the set of don't care conditions
4. d(is the set of don't care conditions

A source produces 4 symbols with probabilities , , , For this source, a practical coding scheme has an average codeword length of 2 bits/symbol. The efficiency of the code is

The two numbers represent in signed 2's complement form are P =and Q =If Q subtracted from P, the value obtained in signed 2's complement form is

A periodic voltage has following values for equal time intervals changing suddenly from one value to next :--etc.
What would be the RMS value of a sine wave having the same peak value as that of the above mentioned periodic wave?

The number of variables in a function is odd and the number of minterms with even number of 0's are same as the number of minterms with odd number at 1's, the expression formed can be represented in __________ as well as __________ form.

The value of the integral of the function g(x, y) = 4x³ + 10y⁴ along the straight line segment from the point (to the point (in the x-y plane is

To realize following function 'f',

How many minimum number of 2 input NAND gates are required?