Jobs By Abekus

Analog-designs Questions Set 32:

Quiz Mode

The most commonly used semiconductor material is

Silicon

Germanium

Gallium-Arsenide

Mixture of Silicon & germanium

Solution:

The open-loop gain of an amplifier is 200. Calculate the closed-loop gain when the negative feedback factor β = 0.2.

200

40.12

4.878

2.2

Solution:

What does a Cascade Compound transistor mean?

None of the above

Cascading of BJT and BJT

Cascading of BJT and FET

Cascading of FET and FET

Solution:

What are the three terminals of an SCR (Silicon Controlled Rectifier)?

cathode, anode, gate

anode, cathode, grid

anode, cathode, drain

None of the above

Solution:

How should a PN junction diode be biased to increase its current sensitivity to radiation?

Forward biased

Both forward and reverse bias are fine

Reverse biased

None of the above

Solution:

A cascade multistage amplifier network has pole frequencies f1 = 5 MHz, f2 = 7 MHz, f3 = 14 MHz, and f4 = 18 MHz. What is the higher cutoff frequency of the cascaded network?

2.13 MHz

0.47 MHz

1.65 MHz

0.56 MHz

Solution:

The off-state or the forward blocking state of an SCR (Silicon Controlled Rectifier) refers to:

SCR not conducting in forward bias.

SCR conducting in forward bias.

SCR conducting in reverse bias.

SCR not conducting in reverse bias.

Solution:

A speech signal has a total duration of 20 s. It is sampled at the rate of 8 Khz and then PCM encoded. the signal to quantization noise ratio is required to be 40 dB. The minimum storage capacity needed to accommodate this signal is

Solution:

How can we reduce the breakdown voltage of a bipolar junction transistor (BJT)?

by reducing emitter doping concentration to the base doping concentration ratio

by increasing collector doping concentration

by increasing emitter doping concentration to the base doping concentration ratio

by reducing the base width

Solution:

Statement-1: For diode analysis, the piecewise linear model is not used.
Statement-2: The value of Rav (the dynamic resistance of the diode) is negligible compared to the load resistance.
Which of the following holds true?

Statement-1 is true, Statement-2 is false

Statement-1 is false, Statement-2 is true

Statement-1 is true, Statement-2 is true, and Statement-2 is a proper explanation for Statement-1

Statement-1 is true, Statement-2 is true, and Statement-2 is not a proper explanation for Statement-1

Analog-designs Questions Set 32:

The most commonly used semiconductor material is

Solution:

The open-loop gain of an amplifier is 200. Calculate the closed-loop gain when the negative feedback factor β = 0.2.

Solution:

What does a Cascade Compound transistor mean?

Solution:

What are the three terminals of an SCR (Silicon Controlled Rectifier)?

Solution:

How should a PN junction diode be biased to increase its current sensitivity to radiation?

Solution:

A cascade multistage amplifier network has pole frequencies f1 = 5 MHz, f2 = 7 MHz, f3 = 14 MHz, and f4 = 18 MHz. What is the higher cutoff frequency of the cascaded network?

Solution:

The off-state or the forward blocking state of an SCR (Silicon Controlled Rectifier) refers to:

Solution:

A speech signal has a total duration of 20 s. It is sampled at the rate of 8 Khz and then PCM encoded. the signal to quantization noise ratio is required to be 40 dB. The minimum storage capacity needed to accommodate this signal is

Solution:

How can we reduce the breakdown voltage of a bipolar junction transistor (BJT)?

Solution:

Statement-1: For diode analysis, the piecewise linear model is not used.
Statement-2: The value of Rav (the dynamic resistance of the diode) is negligible compared to the load resistance.
Which of the following holds true?

Solution:

Related Question Sets:

Related Topics:

Analog-designs Questions Set 32:

The most commonly used semiconductor material is

Solution:

The open-loop gain of an amplifier is 200. Calculate the closed-loop gain when the negative feedback factor β = 0.2.

Solution:

What does a Cascade Compound transistor mean?

Solution:

What are the three terminals of an SCR (Silicon Controlled Rectifier)?

Solution:

How should a PN junction diode be biased to increase its current sensitivity to radiation?

Solution:

A cascade multistage amplifier network has pole frequencies f1 = 5 MHz, f2 = 7 MHz, f3 = 14 MHz, and f4 = 18 MHz. What is the higher cutoff frequency of the cascaded network?

Solution:

The off-state or the forward blocking state of an SCR (Silicon Controlled Rectifier) refers to:

Solution:

A speech signal has a total duration of 20 s. It is sampled at the rate of 8 Khz and then PCM encoded. the signal to quantization noise ratio is required to be 40 dB. The minimum storage capacity needed to accommodate this signal is

Solution:

How can we reduce the breakdown voltage of a bipolar junction transistor (BJT)?

Solution:

Statement-1: For diode analysis, the piecewise linear model is not used. Statement-2: The value of Rav (the dynamic resistance of the diode) is negligible compared to the load resistance. Which of the following holds true?

Solution:

Related Question Sets:

Related Topics:

Statement-1: For diode analysis, the piecewise linear model is not used.
Statement-2: The value of Rav (the dynamic resistance of the diode) is negligible compared to the load resistance.
Which of the following holds true?