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If the Wein Bridge Oscillator based on op-amp is tuned at 1KHz, what is the gain of feedback network? a. 2 b. 1/3 c. 3 d. 1/2

Question

If the Wein Bridge Oscillator based on op-amp is tuned at 1KHz, what is the gain of feedback network?

a.
2

b.
1/3

c.
3

d.
1/2

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Solution

The gain of the feedback network for a Wein Bridge Oscillator tuned at 1KHz is 1/3. So, the correct answer is b. 1/3.

Here's a step-by-step explanation:

  1. The Wein Bridge Oscillator is a type of oscillator which is based on an operational amplifier (op-amp). It is used to generate sinusoidal waveforms.

  2. The frequency of oscillation for a Wein Bridge Oscillator is given by the formula: f = 1/(2πRC), where R and C are the resistance and capacitance in the circuit respectively. In this case, the oscillator is tuned at 1KHz, but the frequency doesn't affect the gain of the feedback network.

  3. The gain of the feedback network in a Wein Bridge Oscillator is always 1/3. This is because the feedback network is a voltage divider that takes a fraction of the output voltage and feeds it back to the input. The fraction is determined by the resistors in the feedback network, and in the case of a Wein Bridge Oscillator, it is always 1/3.

  4. Therefore, regardless of the frequency at which

This problem has been solved

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