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Op Amps Texas Instruments Incorporated Design of op amp sine wave oscillators By Ron Manci

Op Amps Texas Instruments Incorporated Design of op amp sine wave oscillators By Ron Manci

This assignment has two parts:

Homework:

  1. Read Chapter 11 section 3 in the text.
  2. Read Op Amp Oscillator Circuits.pdf
  3. Answer the following questions:
  • List the general requirements for oscillation
  • How does an RC combination affect the phase plot of an oscillator
  • For a Wien-bridge oscillator
    1. Given R = 20Kohm and C = 10nF what is the frequency of oscillation?
    2. Given a required frequency of oscillation of f = 3kHz and R = 5kohm, what should the value of C be?

Laboratory:

  1. Watch the video Week 6 – Oscillator Circuit
  2. Construct and simulate the oscillator circuit.
  3. Capture a screenshot showing oscillating output waveform.
  4. Answer the following questions:
  • What is the frequency of oscillation of this circuit?
  • How can we modify the circuit to allow for a variable frequency on the output?
  • What is the significance of the ratio of RF to RG to result in oscillation?
  • How can we modify the circuit to avoid clipping on the output?

Paste the screenshot of the oscillating output and answers to the questions above into a Word document entitled “Lab6_StudentID”. 

Upload file “Lab6_StudentID”

Please see attached file. I need the multisim file too.

Rosa Parks 10-Nov-2017

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