Design your own oscillator based on the Wein-bridge configuration. (See Alexander section 10.9.2.) Use one of the two circuits below. Each has a non-linear element (lamp or diodes) to stabilize the circuit. The non-linear element is needed to ensure that the amplification will be exactly three (otherwise, the op-amp output increases to one rail or the other or decays to zero).
Design your own oscillator based on the Wein-bridge configuration. (See Alexander section 10.9.2.) Use one of the two circuits below. Each has a non-linear element (lamp or diodes) to stabilize the circuit. The non-linear element is needed to ensure that the amplification will be exactly three (otherwise, the op-amp output increases to one rail or the other or decays to zero).
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Answer number 1
![Design your own oscillator based on the Wein-bridge configuration. (See Alexander section
10.9.2.) Use one of the two circuits below. Each has a non-linear element (lamp or diodes) to
stabilize the circuit. The non-linear element is needed to ensure that the amplification will be
exactly three (otherwise, the op-amp output increases to one rail or the other or decays to
zero).
C₁
R₁
50 k
P1
*
www
10 K
lamp
off®
R
amplitude
adjust
500
R C
3) Explain why each circuit has an adjustable potentiometer
4) Describe the Barkhausen criteria in your own words
5) Explain why the amplification must be three
f=
1) Discuss why you chose the resistor/capacitor values you selected.
2) Show hand calculation of the expected frequency
output
(sine)
Use the LM358 as your op-amp and only use capacitors and resistors that you have on hand.
You should have bought a lamp from first term or you just can use a couple of diodes 1N4004.
2лRC](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcc44cd71-d4db-4b20-8d51-ad707e667bb5%2F6f770eb4-1eec-48e6-841a-69fc249219a6%2Fvllugh_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Design your own oscillator based on the Wein-bridge configuration. (See Alexander section
10.9.2.) Use one of the two circuits below. Each has a non-linear element (lamp or diodes) to
stabilize the circuit. The non-linear element is needed to ensure that the amplification will be
exactly three (otherwise, the op-amp output increases to one rail or the other or decays to
zero).
C₁
R₁
50 k
P1
*
www
10 K
lamp
off®
R
amplitude
adjust
500
R C
3) Explain why each circuit has an adjustable potentiometer
4) Describe the Barkhausen criteria in your own words
5) Explain why the amplification must be three
f=
1) Discuss why you chose the resistor/capacitor values you selected.
2) Show hand calculation of the expected frequency
output
(sine)
Use the LM358 as your op-amp and only use capacitors and resistors that you have on hand.
You should have bought a lamp from first term or you just can use a couple of diodes 1N4004.
2лRC
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