Question

1. See file "Design of Oscillator Circuits" (click link) 2. Design a Wein bridge Oscillator shown in the figure below in Multisim to generate a sinusoidal signal at frequency of 300Hz. Consider a capacitor of 1uF, resistor R = 59500, R1 = 30, Rf = 6.050 for the oscillator circuit. 1. Determine output voltage 'Vo' and run the simulation to plot the output of the oscillations at frequency of 300 Hz using an oscilloscope. 2. Increase the frequency to 500Hz, 800Hz and 1000Hz and plot the output of the oscillator at these multiple frequencies. 3. Take the screen capture of the oscilloscope readings for all the frequencies. R R R R $1/sC$ $1/sC$ $V_i$ 3. Answer the following questions: a. What is the requirement to generate oscillation in the circuit? Is the circuit stable or unstable? b. What do you observe in the oscillations when the frequency is increased? c. With increased frequency, did you observe the oscillations? If not what did you adjust to observe the oscillations?

          1. See file "Design of Oscillator Circuits" (click link)
2. Design a Wein bridge Oscillator shown in the figure below
in Multisim to generate a sinusoidal signal at frequency
of 300Hz. Consider a capacitor of 1uF, resistor R = 59500,
R1 = 30, Rf = 6.050 for the oscillator circuit.
1. Determine output voltage 'Vo' and run the simulation
to plot the output of the oscillations at frequency of
300 Hz using an oscilloscope.
2. Increase the frequency to 500Hz, 800Hz and 1000Hz
and plot the output of the oscillator at these multiple
frequencies.
3. Take the screen capture of the oscilloscope readings
for all the frequencies.
R
R
R
R
$1/sC$
$1/sC$
$V_i$
3. Answer the following questions:
a. What is the requirement to generate oscillation in the
circuit? Is the circuit stable or unstable?
b. What do you observe in the oscillations when the
frequency is increased?
c. With increased frequency, did you observe the
oscillations? If not what did you adjust to observe the
oscillations?

1. See file "Design of Oscillator Circuits" (click link)
2. Design a Wein bridge Oscillator shown in the figure below
in Multisim to generate a sinusoidal signal at frequency
of 300Hz. Consider a capacitor of 1uF, resistor R = 59500,
R1 = 30, Rf = 6.050 for the oscillator circuit.
1. Determine output voltage 'Vo' and run the simulation
to plot the output of the oscillations at frequency of
300 Hz using an oscilloscope.
2. Increase the frequency to 500Hz, 800Hz and 1000Hz
and plot the output of the oscillator at these multiple
frequencies.
3. Take the screen capture of the oscilloscope readings
for all the frequencies.
R
R
R
R
1/sC
1/sC
Vi
3. Answer the following questions:
a. What is the requirement to generate oscillation in the
circuit? Is the circuit stable or unstable?
b. What do you observe in the oscillations when the
frequency is increased?
c. With increased frequency, did you observe the
oscillations? If not what did you adjust to observe the
oscillations?

Added by Courtney B.

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