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D. De Venuto,Politecnico di Bari 0 (a) ideal structure; (b) equivalent circuit. The series-series feedback amplifier

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D. De Venuto,Politecnico di Bari 1 Measuring the output resistance R of of the series-series feedback amplifier. Output resistance

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D. De Venuto,Politecnico di Bari 2 Derivation of the A circuit and circuit for the series-series feedback amplifiers. (a) A series-series feedback amplifier. (b) The circuit of (a) with the feedback network represented by its z parameters. (c) A redrawing of the circuit in (b) after neglecting z 21. Derivation of the A and circuits

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D. De Venuto,Politecnico di Bari 3 Finding the A circuit and for the current-sampling series-mixing (series-series) case. Summary (2)

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D. De Venuto,Politecnico di Bari 4 Example

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D. De Venuto,Politecnico di Bari 5 Ideal structure for the shunt-shunt feedback amplifier. The shunt-shunt feedback amplifier

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D. De Venuto,Politecnico di Bari 6 Block diagram for a practical shunt-shunt feedback amplifier. Block diagram

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The four basic feedback topologies: (a) voltage-sampling series-mixing (series-shunt) topology; (b) current-sampling shunt-mixing (shunt-series) topology;

The four basic feedback topologies: (a) voltage-sampling series-mixing (series-shunt) topology; (b) current-sampling shunt-mixing (shunt-series) topology;

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