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Analog-designs Questions Set 31:

Quiz Mode

Which frequency band is used by Bluetooth in mobile phones?

UHF

VHF

ISM

Solution:

The statements which hold true for a tunnel (Esaki) diode are:

1, 2, 4

1, 3, 4

2, 3, 4

1, 2, 3, 4

Solution:

An amplifier has an input SNR of 8 and an output SNR of 6. What is the noise ratio?

1.33

1.5

1.88

Solution:

Which material is generally used for the manufacture of Zener diode?

Silicon

Germanium

Mercury

Arsenic

Solution:

What is the average output voltage of a half-wave rectifier if the input sine wave is given as 85 sin 60πt V?

85 V

42.5 V

27.056 V

60.1 V

Solution:

The center frequency of a band-pass filter is always equal to the

bandwidth

-3dB frequency

bandwidth divided by Q

geometric mean of the critical frequencies

Solution:

The ideal operational amplifier (op-amp) has the following characteristics:

R=infinite, A=infinite, R0=0

R=0, A=infinite, R0=0

R=infinite, A=infinite, R0=infinite

R=0, A=infinite, R0=infinite

Solution:

In an n-type semiconductor, how does the Fermi level change with a rise in temperature?

Fermi level moves towards the center

Fermi level moves away from the center

Fermi level stays at the center

Fermi level moves into the conduction band

Solution:

A series circuit has a 10 Ω resistance, an inductive reactance X_L = 50 Ω, and a capacitive reactance X_C = 25 Ω. The applied voltage is V = 50 mV with a frequency of 50 Hz. Calculate the phase angle.

127.8 degrees

68.19 degrees

90.23 degrees

155.94 degrees

Solution:

How does the unity gain bandwidth (UGBW) of a transistor change with respect to the collector current (I_c)?

Increases and then remains constant

Initially increases and then drops to a constant value

Initially increases and then decreases

UGBW is independent of collector current

Analog-designs Questions Set 31:

Which frequency band is used by Bluetooth in mobile phones?

Solution:

The statements which hold true for a tunnel (Esaki) diode are:

Solution:

An amplifier has an input SNR of 8 and an output SNR of 6. What is the noise ratio?

Solution:

Which material is generally used for the manufacture of Zener diode?

Solution:

What is the average output voltage of a half-wave rectifier if the input sine wave is given as 85 sin 60πt V?

Solution:

The center frequency of a band-pass filter is always equal to the

Solution:

The ideal operational amplifier (op-amp) has the following characteristics:

Solution:

In an n-type semiconductor, how does the Fermi level change with a rise in temperature?

Solution:

A series circuit has a 10 Ω resistance, an inductive reactance X_L = 50 Ω, and a capacitive reactance X_C = 25 Ω. The applied voltage is V = 50 mV with a frequency of 50 Hz. Calculate the phase angle.

Solution:

How does the unity gain bandwidth (UGBW) of a transistor change with respect to the collector current (I_c)?

Solution:

Related Question Sets:

Related Topics:

Analog-designs Questions Set 31:

Which frequency band is used by Bluetooth in mobile phones?

Solution:

The statements which hold true for a tunnel (Esaki) diode are:

Solution:

An amplifier has an input SNR of 8 and an output SNR of 6. What is the noise ratio?

Solution:

Which material is generally used for the manufacture of Zener diode?

Solution:

What is the average output voltage of a half-wave rectifier if the input sine wave is given as 85 sin 60πt V?

Solution:

The center frequency of a band-pass filter is always equal to the

Solution:

The ideal operational amplifier (op-amp) has the following characteristics:

Solution:

In an n-type semiconductor, how does the Fermi level change with a rise in temperature?

Solution:

A series circuit has a 10 Ω resistance, an inductive reactance XL = 50 Ω, and a capacitive reactance XC = 25 Ω. The applied voltage is V = 50 mV with a frequency of 50 Hz. Calculate the phase angle.

Solution:

How does the unity gain bandwidth (UGBW) of a transistor change with respect to the collector current (Ic)?

Solution:

Related Question Sets:

Related Topics:

A series circuit has a 10 Ω resistance, an inductive reactance X_L = 50 Ω, and a capacitive reactance X_C = 25 Ω. The applied voltage is V = 50 mV with a frequency of 50 Hz. Calculate the phase angle.

How does the unity gain bandwidth (UGBW) of a transistor change with respect to the collector current (I_c)?