Question 1

What op amp circuit is typically used to combine audio signals in a high-fidelity audio system?

Accepted Answer

A)  voltage follower 
B)  comparator 
C)  mixer 
D)  diff amp 
A)  voltage follower 
B)  comparator 
C)  mixer 
D)  diff amp

Question 2

Op amp voltage gain and bandwidth can be adjusted to exact requirements by connecting

Accepted Answer

A)  two external resistors. 
B)  an external compensating capacitor. 
C)  two external capacitors. 
D)  two power supplies. 
A)  two external resistors. 
B)  an external compensating capacitor. 
C)  two external capacitors. 
D)  two power supplies.

Question 3

Which op amp is the least expensive and most widely used?

Accepted Answer

A)  741A 
B)  741N 
C)  741E 
D)  741C 
A)  741A 
B)  741N 
C)  741E 
D)  741C

Question 4

A typical op amp has a single-ended input and a differential output.

Accepted Answer

A) True 
 B)False

Question 5

Typical IC voltage regulators such as the LM340 can hold the dc output voltage to within what percent for normal changes in line voltage and load resistance?

Accepted Answer

A)  0.01 percent. 
B)  0.1 percent. 
C)  1.0 percent. 
D)  10 percent. 
A)  0.01 percent. 
B)  0.1 percent. 
C)  1.0 percent. 
D)  10 percent.

Question 6

An IC amplifier that has a flat response over a very broad range of frequencies and finds applications in such instruments as oscilloscopes,copiers,and scanners is the

Accepted Answer

A)  power amp. 
B)  medium-level amp. 
C)  video amp. 
D)  preamp. 
A)  power amp. 
B)  medium-level amp. 
C)  video amp. 
D)  preamp.

Question 7

When higher input resistance is required,a designer would most probably use a BIFET op amp.

Accepted Answer

A) True 
 B)False

Question 8

The compensating capacitor inside a 741C op amp prevents oscillations that would interfere with the desired signal.

Accepted Answer

A) True 
 B)False

Question 9

What is the op amp circuit used when it is necessary to combine two or more analog signals into a single output?

Accepted Answer

A)  voltage follower 
B)  comparator 
C)  summing amp 
D)  diff amp 
A)  voltage follower 
B)  comparator 
C)  summing amp 
D)  diff amp

Question 10

What op amp circuit has unity gain,maximum bandwidth and is the ideal interface to use between a high-impedance source and a low-impedance load?

Accepted Answer

A)  voltage follower 
B)  comparator 
C)  mixer 
D)  diff amp 
A)  voltage follower 
B)  comparator 
C)  mixer 
D)  diff amp

What op amp circuit is typically used to combine audio signals in a high-fidelity audio system?

Op amp voltage gain and bandwidth can be adjusted to exact requirements by connecting

Which op amp is the least expensive and most widely used?

A typical op amp has a single-ended input and a differential output.

Typical IC voltage regulators such as the LM340 can hold the dc output voltage to within what percent for normal changes in line voltage and load resistance?

An IC amplifier that has a flat response over a very broad range of frequencies and finds applications in such instruments as oscilloscopes,copiers,and scanners is the

When higher input resistance is required,a designer would most probably use a BIFET op amp.

The compensating capacitor inside a 741C op amp prevents oscillations that would interfere with the desired signal.

What is the op amp circuit used when it is necessary to combine two or more analog signals into a single output?

What op amp circuit has unity gain,maximum bandwidth and is the ideal interface to use between a high-impedance source and a low-impedance load?

Introduction

Semoconductors

Diode Theory Key

Diode Circuits

Special-Purpose Diodes Key

BJT Fumdamentals

BJT Biasing

Basic BJT Amplifiers

Multistage,CC,and CB Amplifiers

Power Amplifiers

JFETS

Mosfets

Thyristors

Frequency Effects

Differential Amplifiers

Negative Feedback

Linear OP AMP Circuits

Active Filters Key

Nonlinear Op-Amp Circuit Applications Key

Oscillators Key

Regulated Power Supplies Key

Filters

Exam 16: Operational Amplifiers

What op amp circuit is typically used to combine audio signals in a high-fidelity audio system?

Op amp voltage gain and bandwidth can be adjusted to exact requirements by connecting

Which op amp is the least expensive and most widely used?

A typical op amp has a single-ended input and a differential output.

Typical IC voltage regulators such as the LM340 can hold the dc output voltage to within what percent for normal changes in line voltage and load resistance?

An IC amplifier that has a flat response over a very broad range of frequencies and finds applications in such instruments as oscilloscopes,copiers,and scanners is the

When higher input resistance is required,a designer would most probably use a BIFET op amp.

The compensating capacitor inside a 741C op amp prevents oscillations that would interfere with the desired signal.

What is the op amp circuit used when it is necessary to combine two or more analog signals into a single output?

What op amp circuit has unity gain,maximum bandwidth and is the ideal interface to use between a high-impedance source and a low-impedance load?

Introduction

Semoconductors

Diode Theory Key

Diode Circuits

Special-Purpose Diodes Key

BJT Fumdamentals

BJT Biasing

Basic BJT Amplifiers

Multistage,CC,and CB Amplifiers

Power Amplifiers

JFETS

Mosfets

Thyristors

Frequency Effects

Differential Amplifiers

Negative Feedback

Linear OP AMP Circuits

Active Filters Key

Nonlinear Op-Amp Circuit Applications Key

Oscillators Key

Regulated Power Supplies Key

Filters