Re: Opamp preamplifier design question

On May 31, 8:17 pm, John Popelish <jpopel...@xxxxxxxx> wrote:
If you cascade two amplifier stages made with similar
opamps, the one with a gain of 400 will have a bandwidth of
1/16th of the one with a gain of 25. If you make each stage
have an equal gain (100 in this case) you will get the
highest overall bandwidth out of the pair.

Thanks, John! Is that 1/16th of the gain-bandwidth of the opamp with a
gain of 25? Or is that 1/16th after (gain-bandwidth)/25 ?
How did you get 1/16th by the way?

Thanks!



.

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