Tuesday, December 4, 2018

Adding a second stage to the broadband amp.

I left the first stage as built in the last post and added a second stage designed around a 1 ma current.
I changed both stages to low current and checked the total current.
The frequency response of the 2 stage circuit.
  10 uv on the input
100 uv on the input.
1 mv on the input.
As you can see the second stage is not loading the first. Time for a build?

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