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Advice for 40MHZ -3dB bandwidth amplifier, please

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gaom9

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Hi,
I want to design an amplifier with a 40MHz -3dB bandwidth and 46dB DC gain but low noise for special use.
But in this design the gain bandwidth product will be 8g.
It is very large. Can this design come true, please?
Or should I use several independence amplifier with 40MHz -3dB bandwidth but quite low gain in series to make it?

Can anyone give me some advice to it, please?

Thank you.
Best regards.
 

What do you mean with product of Gain and bandwidth 8g?

Do you mean a unity gain bandwidth (or gain bandwidth product) of 8GHz or is it something else?
 

Yes, I mean the gain bandwidth product in open loop is 8G here. It is quite large. Is there any methon to make it, please?


Thank you.
Best regards!
 

Breaking it into two stages will make your life easier...
 

    G

    gaom9

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Thank you, huahudiao.


Best regards.
 

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