Hello, i Have an OPAMP of 66dB ,how using negative feedback we can reduce the closed...

Hello, i Have an OPAMP of 66dB ,how using negative feedback we can reduce the closed loop gain to 16dB

Thanks

Solutions

Expert Solution

Gain in dB required

So the gain required is 6.3096

Lets use a non inverting amplifier for this

The gain of a non inverting amplifier is

Let us take

Then

So the following circuit will give a gain of 16dB

Circuit is wired in NI MULTISIM and the gain is verified.

The Bode plot obtained

We can see that the gain in dB obtained is 16 dB as is required

Manojponduru answered 1 month ago

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