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Analog-designs Questions Set 20:

Quiz Mode

How many doped regions are present in a PIN diode?

1 OR 2

Solution:

The most commonly used transistor amplifier circuit is

CE or CC

Solution:

The correct statements among the following are:

1, 2, 5

1, 3, 5

2, 3, 4

1, 4, 5

Solution:

For higher frequencies, what is the output voltage of a low-pass filter?

RC ∫ V_in dt

R/C * ∫V_in dt

(1/RC) * ∫V_in dt

∫V_in dt

Solution:

For a transconductance amplifier, the input resistance with feedback (R_if) is:

R_i

R_i.(1+Aβ)

R_i/(1+Aβ)

0 (always)

∞ (always)

Solution:

Calculate the feedback required when an op-amp has a bandwidth of 27 Hz and Gain of 13,300, and we require a bandwidth of 115 kHz.

0.89

0.56

0.32

0.12

Solution:

A 2.5 mH inductor is placed in a circuit, where the frequency is 100 kHz and the voltage is 50 V. Calculate the peak current.

20 mA

8.5 mA

1 A

31.8 mA

Solution:

Calculate the negative feedback (β) of an amplifier if the voltage gain without the feedback is 175 and the voltage gain with the negative feedback is 15.

0.01

0.02

0.04

0.06

Solution:

To reduce distortion in a common-emitter (CE) amplifier circuit, we should:

Reduce the emitter current

Reduce the collector current

Reduce the AC base voltage

Reduce the base-emitter voltage

Solution:

Which of the following statements about a low-pass filter is incorrect?

A low-pass filter passes low-frequency components of a signal

It rejects the high-frequency components

It is a passive filter

It can be used as a differentiator

Analog-designs Questions Set 20:

How many doped regions are present in a PIN diode?

Solution:

The most commonly used transistor amplifier circuit is

Solution:

The correct statements among the following are:

Solution:

For higher frequencies, what is the output voltage of a low-pass filter?

Solution:

For a transconductance amplifier, the input resistance with feedback (R_if) is:

Solution:

Calculate the feedback required when an op-amp has a bandwidth of 27 Hz and Gain of 13,300, and we require a bandwidth of 115 kHz.

Solution:

A 2.5 mH inductor is placed in a circuit, where the frequency is 100 kHz and the voltage is 50 V. Calculate the peak current.

Solution:

Calculate the negative feedback (β) of an amplifier if the voltage gain without the feedback is 175 and the voltage gain with the negative feedback is 15.

Solution:

To reduce distortion in a common-emitter (CE) amplifier circuit, we should:

Solution:

Which of the following statements about a low-pass filter is incorrect?

Solution:

Related Question Sets:

Related Topics:

Analog-designs Questions Set 20:

How many doped regions are present in a PIN diode?

Solution:

The most commonly used transistor amplifier circuit is

Solution:

The correct statements among the following are:

Solution:

For higher frequencies, what is the output voltage of a low-pass filter?

Solution:

For a transconductance amplifier, the input resistance with feedback (Rif) is:

Solution:

Calculate the feedback required when an op-amp has a bandwidth of 27 Hz and Gain of 13,300, and we require a bandwidth of 115 kHz.

Solution:

A 2.5 mH inductor is placed in a circuit, where the frequency is 100 kHz and the voltage is 50 V. Calculate the peak current.

Solution:

Calculate the negative feedback (β) of an amplifier if the voltage gain without the feedback is 175 and the voltage gain with the negative feedback is 15.

Solution:

To reduce distortion in a common-emitter (CE) amplifier circuit, we should:

Solution:

Which of the following statements about a low-pass filter is incorrect?

Solution:

Related Question Sets:

Related Topics:

For a transconductance amplifier, the input resistance with feedback (R_if) is: