Which of the following describe the correct properties of an emitter follower circuit?

1. It is a voltage series feedback circuit.
2. It is a current series feedback circuit.
3. Its voltage gain in less than unity.
4. Its output impedance is very low.

In the Taylor series expansion of exp(x) + sin(x) about the point x = p, the coefficient of (x - p)² is

With respect to transmission parameters, which one of the following is correct?

Why npn-transistors are preferred over pnp-transistors?

Which of the following is NOT associated with a p-n junction?

F = ∑(=

In the following circuit , the comparator output in log: "I" if V₁ > V₂ and is logic "otherwise. The D/A conversion is done as per the relations V_DAC = 2^n-2 Volts, where b₃ (MSB), b₂, b₁ and b₀ (LSB) are the counter outputs. The counter starts from the clear state

The stable reading of the LED display is

Choose the correct statement

If (x x(10)_x = (100)_x; (100)_x x (100)_x = (10000)_x then x can take value

Consider two random processes x(t) and y(t) have zero mean, and they are individually stationary. The random process is z(t) = x(t) + y(t). Now when stationary processes are uncorrelated then power spectral density of z(t) is given by

Inmicroprocessor based system running at 3 MHz clock frequency what should be the minimum pulse width of the INTR signal, so that it is recognized successfully?

A n-type silicon sample contains a donor concentration of N_d = 2 x 10¹⁶ cm^-3. The minority carrier hole lifetime is t_p0 = 5 μs. The thermal equilibrium generation rate of hole is:

Consider aPLL with R_T =kΩ and C_T = 0.μF. What is the output frequency of the VCO?

For parallel plane waveguides, which is the mode with lowest cut-off frequency?

Which of the following conditions must be satisfied for a transistor to remain under saturation?

1. Its collector to base junction should be under forward bias.
2. Its collector to base junction should be under reverse bias.
3. Its emitter to base junction should be under reverse bias.
4. Its emitter to base junction should be under forward bias.

Costa's receiver is used for

Epitaxial growth is used in ICs

A uniform plane wave travelling in air is incident on the plane boundary between air and another dielectric medium with e_r =The reflection coefficient for normal incidence is

The transfer characteristic for the precision rectifier circuit shown below is (assume ideal OP-AMP and practical diodes)

Consider two random processes x(t) and y(t) have zero mean, and they are individually stationary. The random process is z(t) = x(t) + y(t). Now when stationary processes are uncorrelated then power spectral density of z(t) is given by

If the intrinsic resistivity at 300°K is 0.ohm-m and the electron and hole mobilities at 300°K are 0.and 0.m²/volt-sec, then the intrinsic carrier concentration of Germanium is __________ .

In the design of a single mode step index optical fiber close to upper cut-off, the single mode operations is NOT preserved if

Which of the following bridges is also used in an oscillator?

The property not valid for basic singularity function is

The maximum concentration of the element which can be dissolved in solid silicon at a given temperature is termed as

The correct sequence of subsystems in an FM receiver is

When a particular mode is existed in a waveguide, there appears an extra electric component, in the direction of propagation. In what mode is the wave propagating?

Which of the following algorithms design techniques is used in quick sort algorithm?

What is the purpose of DMA facility in microprocessor based system?

Which of the following statements about the matched filter in a communication receiver are correct?

1. Its impulse response depends on the signed shape
2. It maximizes the SNR at the detection shape.
3. It produces ISI.
4. It may produce phase error if synchronization is improper.

Which of the following statements about the matched filter in a communication receiver are correct?

1. Its impulse response depends on the signed shape
2. It maximizes the SNR at the detection shape.
3. It produces ISI.
4. It may produce phase error if synchronization is improper.

The characteristic polynomial of a system is q(s) = 2s⁵ + s⁴ + 4s³ + 2s² +The system is :

Which of the following transducers requires a high input impedance preamplifier for proper measurements?

Which of the following describe the correct properties of an emitter follower circuit?

1. It is a voltage series feedback circuit.
2. It is a current series feedback circuit.
3. Its voltage gain in less than unity.
4. Its output impedance is very low.

How many and which types of machine cycles are needed to execute PUSH PSW bymicroprocessor?

Which of the following modes can exist in a rectangular waveguide?

If (x x(10)_x = (100)_x; (100)_x x (100)_x = (10000)_x then x can take value

Inmicroprocessor based system running at 3 MHz clock frequency what should be the minimum pulse width of the INTR signal, so that it is recognized successfully?

A n-type silicon sample contains a donor concentration of N_d = 2 x 10¹⁶ cm^-3. The minority carrier hole lifetime is t_p0 = 5 μs. The thermal equilibrium generation rate of hole is:

The characteristic polynomial of a system is q(s) = 2s⁵ + s⁴ + 4s³ + 2s² +The system is :

The Z-transform of a signal is given by its final value is __________ .

The signal flow graph of a system is shown below:

The transfer of the system is

If g(t) = e^-pt2 then G(1/p) is __________ where g(t) G(f)

A uniform plane wave travelling in air is incident on the plane boundary between air and another dielectric medium with e_r =The reflection coefficient for normal incidence is

Which of the following transducers requires a high input impedance preamplifier for proper measurements?

If (x x(10)_x = (100)_x; (100)_x x (100)_x = (10000)_x then x can take value

How many and which types of machine cycles are needed to execute PUSH PSW bymicroprocessor?

A n-type silicon sample contains a donor concentration of N_d = 2 x 10¹⁶ cm^-3. The minority carrier hole lifetime is t_p0 = 5 μs. The thermal equilibrium generation rate of hole is:

The signal flow graph of a system is shown below:

The transfer of the system is

The Z-transform of a signal is given by its final value is __________ .