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CE/CE Cascade Full Circuit Gain Question

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CE/CE Cascade Full Circuit Gain Question

Hello,
I am trying to construct a CE/CE Cascade Amplifier for my Electronics Lab. When simulating, I am getting the correct stage 1 gain of around 60. When trying to simulate the full circuit, I am getting an unexpected gain of  0.38. I am expecting a gain of around 625.

MS1.PNGMS2.PNGWhen we completed the lab, we received the expected gain values of around 60 and 625 respectively.

Thanks!

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Re: CE/CE Cascade Full Circuit Gain Question

Can you attach your file?

Are those the same IC that you are using on your project? same model an same spice?

did you try the AC sweep http://www.ni.com/tutorial/12690/en/

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Re: CE/CE Cascade Full Circuit Gain Question

I attached the circuit I'm using. All the components are correct.

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Re: CE/CE Cascade Full Circuit Gain Question

did you try to run the ac sweep analysis ?

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