Question 1

A Darlington pair has values of hfcl = hfc2 = 150. What is the overall value of Ai for the pair?

Accepted Answer

A)  300 
B)  150 
C)  22,500 
D)  None of these are correct. 
A)  300 
B)  150 
C)  22,500 
D)  None of these are correct.

Question 2

Which of the following statements is true for a midpoint-biased emitter follower?

Accepted Answer

A)  The values of VE and VCC are approximately equal. 
B)  The values of VCE and VE are approximately equal. 
C)  The value of VCE is approximately twice the value of VE. 
D)  None of the above statements are true. 
A)  The values of VE and VCC are approximately equal. 
B)  The values of VCE and VE are approximately equal. 
C)  The value of VCE is approximately twice the value of VE. 
D)  None of the above statements are true.

Question 3

-What is the approximate value of Ai for the circuit in Figure ?

Accepted Answer

A)  150 
B)  20 
C)  17.9 
D)  22.5 
A)  150 
B)  20 
C)  17.9 
D)  22.5

Question 4

-Is the circuit in Figure  midpoint biased?

Accepted Answer

A)  Yes 
B)  No 
A)  Yes 
B)  No

Question 5

An emitter follower has the following values: hic = 3 kΩ, hfc = 150, and RE = 1.5 kΩ. What is the approximate value of Av for the circuit?

Accepted Answer

A)  0.5 
B)  0.993 
C)  0.987 
D)  Cannot be determined with the information given 
A)  0.5 
B)  0.993 
C)  0.987 
D)  Cannot be determined with the information given

Question 6

A common-base amplifier does not provide gain.

Accepted Answer

A)  voltage 
B)  current 
C)  power 
D)  current and power 
A)  voltage 
B)  current 
C)  power 
D)  current and power

Question 7

A common-base amplifier can be used to match a resistance source to a resistance load.

Accepted Answer

A)  high; high 
B)  low; high 
C)  high; low 
D)  low; low 
A)  high; high 
B)  low; high 
C)  high; low 
D)  low; low

Question 8

Which of the following statements about the common-base amplifier is true?

Accepted Answer

A)  The value of Av is greater than the value of Ai. 
B)  The value of Ai is greater than the value of Ap. 
C)  The value of Ap is greater than the value of Av. 
D)  The values of Ai and Ap are approximately equal under normal circumstances. 
A)  The value of Av is greater than the value of Ai. 
B)  The value of Ai is greater than the value of Ap. 
C)  The value of Ap is greater than the value of Av. 
D)  The values of Ai and Ap are approximately equal under normal circumstances.

Question 9

- Which of the following would be used to properly couple the source to the load?

Accepted Answer

A)  A common base amplifier with Zin = 30 Ω and Zout = 6 kΩ 
B)  A common base amplifier with Zin = 6 kΩ and Zout = 30 Ω 
C)  A common collector amplifier with Zin = 30 Ω and Zout = 6 kΩ 
D)  A common collector amplifier with Zin = 6 kΩ and Zout = 30 Ω 
E)  A direct connection between the source and load 
A)  A common base amplifier with Zin = 30 Ω and Zout = 6 kΩ 
B)  A common base amplifier with Zin = 6 kΩ and Zout = 30 Ω 
C)  A common collector amplifier with Zin = 30 Ω and Zout = 6 kΩ 
D)  A common collector amplifier with Zin = 6 kΩ and Zout = 30 Ω 
E)  A direct connection between the source and load

A Darlington pair has values of hfcl = hfc2 = 150. What is the overall value of Ai for the pair?

Which of the following statements is true for a midpoint-biased emitter follower?

-What is the approximate value of Ai for the circuit in Figure ?

-Is the circuit in Figure midpoint biased?

An emitter follower has the following values: hic = 3 kΩ, hfc = 150, and RE = 1.5 kΩ. What is the approximate value of Av for the circuit?

A common-base amplifier does not provide gain.

A common-base amplifier can be used to match a resistance source to a resistance load.

Which of the following statements about the common-base amplifier is true?

- Which of the following would be used to properly couple the source to the load?

Fundamental Solid-State Principles

Diodes

Common Diode Applications: Basic Power Supply Circuits

Common Diode Applications: Clippers, Clampers, Voltage Multipliers, and Displays

Special Applications Diodes

Bipolar Junction Transistors

DC Biasing Circuits

Introduction to Amplifiers

Common-Emitter Amplifiers

Power Amplifiers

Field-Effect Transistors

Mosfets

Amplifier Frequency Response

Operational Amplifiers

Additional Op-Amp Applications

Tuned Amplifiers

Oscillators

Solid-State Switching Circuits

Thyristors and Optoelectronics Devices

Discrete and Integrated Voltage Regulators

Filters

Exam 10: Other BJT Amplifiers

A Darlington pair has values of hfcl = hfc2 = 150. What is the overall value of Ai for the pair?

Which of the following statements is true for a midpoint-biased emitter follower?

-What is the approximate value of Ai for the circuit in Figure ?

-Is the circuit in Figure midpoint biased?

An emitter follower has the following values: hic = 3 kΩ, hfc = 150, and RE = 1.5 kΩ. What is the approximate value of Av for the circuit?

A common-base amplifier does not provide gain.

A common-base amplifier can be used to match a resistance source to a resistance load.

Which of the following statements about the common-base amplifier is true?

- Which of the following would be used to properly couple the source to the load?

Fundamental Solid-State Principles

Diodes

Common Diode Applications: Basic Power Supply Circuits

Common Diode Applications: Clippers, Clampers, Voltage Multipliers, and Displays

Special Applications Diodes

Bipolar Junction Transistors

DC Biasing Circuits

Introduction to Amplifiers

Common-Emitter Amplifiers

Power Amplifiers

Field-Effect Transistors

Mosfets

Amplifier Frequency Response

Operational Amplifiers

Additional Op-Amp Applications

Tuned Amplifiers

Oscillators

Solid-State Switching Circuits

Thyristors and Optoelectronics Devices

Discrete and Integrated Voltage Regulators

Filters