Start documentation
diff --git a/docs/source/.ztr-directory b/docs/source/.ztr-directory
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+{"sorting":"name-up","project":null,"icon":null}
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diff --git a/docs/source/output_gain.png b/docs/source/output_gain.png
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diff --git a/docs/source/tia_gain.png b/docs/source/tia_gain.png
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