Floyd Self-test in Special-Purpose Op-Amp Circuits

(Last Updated On: December 8, 2017)

Floyd Self-test in Chapter 14 of Electronic Devices

This is the Self-test in Chapter 14: Special-Purpose Op-Amp Circuits from the book Electronic Devices Conventional Current Version, 9th edition by Thomas L. Floyd. If you are looking for a reviewer in Electronics Engineering this will definitely help you before taking the Board Exam.

Floyd Self-test Chapter 14 Topic Outline

  • Floyd Self-test in Instrumentation Amplifiers
  • Floyd Self-test in Isolation Amplifiers
  • Floyd Self-test in Operational Transconductance Amplifiers (OTAs)
  • Floyd Self-test in Log and Antilog Amplifiers
  • Floyd Self-test in Converters and Other Op-Amp Circuits

Start Practice Exam Test Questions

Choose the letter of the best answer in each questions.

1. To make a basic instrumentation amplifier, it takes

  • (a) one op-amp with a certain feedback arrangement
  • (b) two op-amps and seven resistors
  • (c) three op-amps and seven capacitors
  • (d) three op-amps and seven resistors

2. Typically, an instrumentation amplifier has an external resistor used for

  • (a) establishing the input impedance
  • (b) setting the voltage gain
  • (c) setting the current gain
  • (d) interfacing with an instrument

3. Instrumentation amplifiers are used primarily in

  • (a) high-noise environments
  • (b) medical equipment
  • (c) test instruments
  • (d) filter circuits

4. Isolation amplifiers are used primarily in

  • (a) remote, isolated locations
  • (b) systems that isolate a single signal from many different signals
  • (c) applications where there are high voltages and sensitive equipment
  • (d) applications where human safety is a concern
  • (e) answers (c) and (d)

5. The two parts of a basic isolation amplifier are

  • (a) amplifier and filter
  • (b) input stage and coupling stage
  • (c) input stage and output stage
  • (d) gain stage and offset stage

6. The stages of many isolation amplifiers are connected by

  • (a) copper strips
  • (b) a capacitor
  • (c) microwave links
  • (d) current loops

7. The characteristic that allows an isolation amplifier to amplify small signal voltages in the presence of much greater noise voltages is its

  • (a) CMRR
  • (b) high gain
  • (c) high input impedance
  • (d) magnetic coupling between input and output

8. The term OTA means

  • (a) operational transistor amplifier
  • (b) operational transformer amplifier
  • (c) operational transconductance amplifier
  • (d) output transducer amplifier

9. In an OTA, the transconductance is controlled by

  • (a) the dc supply voltage
  • (b) the input signal voltage
  • (c) the manufacturing process
  • (d) a bias current

10. The voltage gain of an OTA circuit is set by

  • (a) a feedback resistor
  • (b) the transconductance only
  • (c) the transconductance and the load resistor
  • (d) the bias current and supply voltage

11. An OTA is basically a

  • (a) voltage-to-current amplifier
  • (b) current-to-voltage amplifier
  • (c) current-to-current amplifier
  • (d) voltage-to-voltage amplifier

12. The operation of a logarithmic amplifier is based on

  • (a) the nonlinear operation of an op-amp
  • (b) the logarithmic characteristic of a pn junction
  • (c) the reverse breakdown characteristic of a pn junction
  • (d) the logarithmic charge and discharge of an RC circuit

13. If the input to a log amplifier is x, the output is proportional to

  • (a) ex
  • (b) ln x
  • (c) log10 x
  • (d) 2.3 log10x
  • (e) answers (a) and (c)
  • (f ) answers (b) and (d)

14. If the input to an antilog amplifier is x, the output is proportional to

  • (a) elnx
  • (b) ex
  • (c) ln x
  • (d) e-x

15. A constant-current source provides a non-changing current to a load

  • (a) for all values of current
  • (b) for all values of load resistance
  • (c) for all values of load resistance within defined limits

16. A peak detector consists of

  • (a) a comparator, a transistor, and a capacitor
  • (b) a comparator, a diode, and a capacitor
  • (c) a comparator, a diode, and an inductor
  • (d) an integrator, a diode, and a capacitor

Complete List of Floyd Self-test in Electronic Devices

Check your work.

Floyd Self-test in Special-Purpose Op-Amp Circuits
Rate this:

Add Comment

© 2017 PinoyBIX Engineering. © 2017 All Rights Reserved | Donate
Basic Television - Grob TV  Chapter Exercises
Basic Television – Grob TV Chapter Exercises
Series of Multiple Choice Questions in Engineering Mathematics
Series of Multiple Choice Questions in Engineering Mathematics
Complete Practice Quiz in Electronic Devices and Circuit Theory
Complete Practice Quiz in Electronic Devices and Circuit Theory
Complete Practice Quiz in Data Communications and Networking
Complete Practice Quiz in Data Communications and Networking
Online Tool: Color Code Conversions
Online Tool: Color Code Conversions
Online Tool: Weight Measurement Conversions
Online Tool: Weight Measurement Conversions
Online Tool: Temperature Measurement Conversions
Online Tool: Temperature Measurement Conversions
Online Tool: Length Measurement Conversions
Online Tool: Length Measurement Conversions

Get FREE Review Course
in your inbox

Subscribe to our mailing list and get reviewers and updates to your email inbox.

Thank you for subscribing.

Something went wrong.