Question 1

A summing amplifier provides an output that is always

Accepted Answer

A)  equal to the difference between its input voltages. 
B)  equal to the sum of its input voltages. 
C)  equal or proportional to the sum of its input voltages. 
D)  None of these are correct. 
A)  equal to the difference between its input voltages. 
B)  equal to the sum of its input voltages. 
C)  equal or proportional to the sum of its input voltages. 
D)  None of these are correct.

Question 2

The gain of a typical comparator is approximately equal to

Accepted Answer

A)  unity 1). 
B)  3 dB. 
C)  the open-loop voltage gain AOL) of its op-amp. 
D)  0 dB. 
A)  unity 1). 
B)  3 dB. 
C)  the open-loop voltage gain AOL) of its op-amp. 
D)  0 dB.

Question 3

-The circuit in Figure has the following values: R1 = 7 kΩ, R2 = 1 kΩ, CB = 1 μF, and supply voltages of ±10 V. What is the value of Vref for this circuit?

Accepted Answer

A)  +1.25 V 
B)  -1.25 V 
C)  + 2.5 V 
D)  -7.5 V 
A)  +1.25 V 
B)  -1.25 V 
C)  + 2.5 V 
D)  -7.5 V

Question 4

The ideal output from an RC integrator would be a triangular waveform when the input signal is a square wave. What is the actual output wave shape?

Accepted Answer

A)  Sinusoidal 
B)  Exponential 
C)  Triangular 
D)  Square 
A)  Sinusoidal 
B)  Exponential 
C)  Triangular 
D)  Square

Question 5

The differentiator can be used to convert a

Accepted Answer

A)  square wave into a triangular wave. 
B)  square wave into a sine wave. 
C)  triangular wave into a sine wave. 
D)  triangular wave into a square wave. 
A)  square wave into a triangular wave. 
B)  square wave into a sine wave. 
C)  triangular wave into a sine wave. 
D)  triangular wave into a square wave.

Question 6

Which of the following can best be described as a high-gain, high CMRR circuit that is used to detect and amplify low-level signals?

Accepted Answer

A)  An op-amp audio amplifier 
B)  A high-z voltmeter 
C)  An instrumentation amplifier 
D)  A subtractor 
A)  An op-amp audio amplifier 
B)  A high-z voltmeter 
C)  An instrumentation amplifier 
D)  A subtractor

Question 7

Which of the following can best be described as a high-gain, minimum distortion, high input impedance, low output impedance circuit operated between 20 Hz and 20 kHz?

Accepted Answer

A)  An op-amp audio amplifier 
B)  A high-z voltmeter 
C)  An instrumentation amplifier 
D)  A subtractor 
A)  An op-amp audio amplifier 
B)  A high-z voltmeter 
C)  An instrumentation amplifier 
D)  A subtractor

A summing amplifier provides an output that is always

The gain of a typical comparator is approximately equal to

-The circuit in Figure has the following values: R1 = 7 kΩ, R2 = 1 kΩ, CB = 1 μF, and supply voltages of ±10 V. What is the value of Vref for this circuit?

The ideal output from an RC integrator would be a triangular waveform when the input signal is a square wave. What is the actual output wave shape?

The differentiator can be used to convert a

Which of the following can best be described as a high-gain, high CMRR circuit that is used to detect and amplify low-level signals?

Which of the following can best be described as a high-gain, minimum distortion, high input impedance, low output impedance circuit operated between 20 Hz and 20 kHz?

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

Other BJT Amplifiers

Power Amplifiers

Field-Effect Transistors

Mosfets

Amplifier Frequency Response

Operational Amplifiers

Tuned Amplifiers

Oscillators

Solid-State Switching Circuits

Thyristors and Optoelectronics Devices

Discrete and Integrated Voltage Regulators

Filters

Exam 16: Additional Op-Amp Applications

A summing amplifier provides an output that is always

The gain of a typical comparator is approximately equal to

-The circuit in Figure has the following values: R1 = 7 kΩ, R2 = 1 kΩ, CB = 1 μF, and supply voltages of ±10 V. What is the value of Vref for this circuit?

The ideal output from an RC integrator would be a triangular waveform when the input signal is a square wave. What is the actual output wave shape?

The differentiator can be used to convert a

Which of the following can best be described as a high-gain, high CMRR circuit that is used to detect and amplify low-level signals?

Which of the following can best be described as a high-gain, minimum distortion, high input impedance, low output impedance circuit operated between 20 Hz and 20 kHz?

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

Other BJT Amplifiers

Power Amplifiers

Field-Effect Transistors

Mosfets

Amplifier Frequency Response

Operational Amplifiers

Tuned Amplifiers

Oscillators

Solid-State Switching Circuits

Thyristors and Optoelectronics Devices

Discrete and Integrated Voltage Regulators

Filters