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Analog-designs Questions Set 81:

Quiz Mode

Which type of filter has a faster roll-off?

Chebyshev Filters

Bessel Filters

Butterworth Filters

Solution:

Calculate the feedback factor of the circuit with C = 0.01 μF, L₁ = 20 mH, and L₂ = 10 mH.

0.5

100

Solution:

The relation I_c = βI_B is applicable in which mode?

Active mode

Cut-off mode

Saturation mode

All the modes

Solution:

What is the total phase shift provided by the phase shift network in an RC phase shift oscillator?

45°

90°

180°

360°

Solution:

What is the frequency of oscillation for a three-section RC phase shift network?

1/(2√6 RC)

1/(π√6 RC)

1/(2π√6 RC)

2/(π√6 RC)

Solution:

At room temperature, a possible value for the mobility of electrons in the inversion layer of a silicon n-channel MOSFET is:

450 cm^2/V-s

1350 cm^2/V-s

1800 cm^2/V-s

3600 cm^2/V-s

Solution:

Which statement is true about frequency multipliers?

They are essentially balanced modulators

They are essentially class C amplifiers

They are essentially class AB amplifiers

They are essentially mixers

Solution:

Which of the following statements is incorrect?

Output of CE amplifier is out of phase with respect to its input

CC amplifier is a voltage buffer

CB amplifier is a voltage buffer

CE amplifier is used as an audio (low frequency) amplifier

Solution:

When is a circuit called a compensated attenuator?

Transfer function is directly proportional to the frequency

Transfer function is inversely proportional to the frequency

Transfer function is independent of the frequency

Natural log of the transfer function is proportional to the frequency

Solution:

To an amplifier with a 60dB voltage gain, negative feedback with a feedback factor, β = 0.005 is applied. What would be the change in the overall gain of the feedback amplifier if the internal amplifier is subjected to a gain reduction of 12%?

Increased by 6%

Reduced by 6%

Increased by 2%

Reduced by 2%

Analog-designs Questions Set 81:

Which type of filter has a faster roll-off?

Solution:

Calculate the feedback factor of the circuit with C = 0.01 μF, L₁ = 20 mH, and L₂ = 10 mH.

Solution:

The relation I_c = βI_B is applicable in which mode?

Solution:

What is the total phase shift provided by the phase shift network in an RC phase shift oscillator?

Solution:

What is the frequency of oscillation for a three-section RC phase shift network?

Solution:

At room temperature, a possible value for the mobility of electrons in the inversion layer of a silicon n-channel MOSFET is:

Solution:

Which statement is true about frequency multipliers?

Solution:

Which of the following statements is incorrect?

Solution:

When is a circuit called a compensated attenuator?

Solution:

To an amplifier with a 60dB voltage gain, negative feedback with a feedback factor, β = 0.005 is applied. What would be the change in the overall gain of the feedback amplifier if the internal amplifier is subjected to a gain reduction of 12%?

Solution:

Related Question Sets:

Related Topics:

Analog-designs Questions Set 81:

Which type of filter has a faster roll-off?

Solution:

Calculate the feedback factor of the circuit with C = 0.01 μF, L1 = 20 mH, and L2 = 10 mH.

Solution:

The relation Ic = βIB is applicable in which mode?

Solution:

What is the total phase shift provided by the phase shift network in an RC phase shift oscillator?

Solution:

What is the frequency of oscillation for a three-section RC phase shift network?

Solution:

At room temperature, a possible value for the mobility of electrons in the inversion layer of a silicon n-channel MOSFET is:

Solution:

Which statement is true about frequency multipliers?

Solution:

Which of the following statements is incorrect?

Solution:

When is a circuit called a compensated attenuator?

Solution:

To an amplifier with a 60dB voltage gain, negative feedback with a feedback factor, β = 0.005 is applied. What would be the change in the overall gain of the feedback amplifier if the internal amplifier is subjected to a gain reduction of 12%?

Solution:

Related Question Sets:

Related Topics:

Calculate the feedback factor of the circuit with C = 0.01 μF, L₁ = 20 mH, and L₂ = 10 mH.

The relation I_c = βI_B is applicable in which mode?