This mind map, created using EdrawMind, categorizes feedback amplifiers into four types based on the input and output sampling and mixing methods. The Voltage-Series (Series-Shunt) configuration involves series mixing and shunt sampling, with voltage feedback in series with the output and input. The Voltage-Shunt (Shunt-Shunt) uses shunt mixing and shunt sampling, with voltage feedback in parallel. The Current-Series (Series-Series) employs series mixing and series sampling, with current feedback in series. The Current-Shunt (Shunt-Series) has shunt mixing and series sampling, with current feedback in parallel with the output and in series with the input.

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