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The four basic feedback topologies: voltage-sampling
series-mixing (series-shunt) topology
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The four basic feedback topologies: current-sampling
series-mixing (series-series) topology
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The four basic feedback topologies: voltage-sampling
shunt-mixing (shunt-shunt) topology
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The series-shunt feedback amplifier: (a) ideal structure; (b)
equivalent circuit.
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Derivation of theA circuit and circuit for the series-shunt
feedback amplifier. (a)Block diagram of a practical series-shunt
feedback amplifier. (b) The circuit in (a)with the feedback network
represented by its hparameters.
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Derivation of theA circuit and circuit for the series-shunt
feedback amplifier. (c) The
circuit in (b) after neglecting h21.
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Summary of the rules for finding theA circuit and for the
voltage-sampling series-mixing case.
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The series-series feedback amplifier: (a) ideal structure; (b)
equivalent circuit.
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Measuring the output resistanceRofof the series-series feedback
amplifier.
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Derivation of theA circuit and circuit for the series-series
feedback amplifiers. (a) Aseries-series feedback amplifier. (b) The
circuit of (a) with the feedback network
represented by itszparameters.
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Derivation of theA circuit and circuit for the series-series
feedback amplifiers. (c) Aredrawing of the circuit in (b) after
neglectingz
21.
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Finding theA circuit and for the current-sampling series-mixing
(series-series) case.
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Ideal structure for the shunt-shunt feedback amplifier.
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Block diagram for a practical shunt-shunt feedback
amplifier.
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Finding theA circuit and for the voltage-sampling shunt-mixing
(shunt-shunt) case.
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Ideal structure for the shunt-series feedback amplifier.
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Finding theA circuit and for the current-sampling shunt-mixing
(shunt-series) case.
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Stability analysis using Bode plot of |A|.
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Frequency compensation for = 10-2. The response labeledAis
obtained byintroducing an additional pole atf
D. TheA response is obtained by moving the
original low-frequency pole tofD.
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References
Electronicsby A. Hambley
Microelectronics Circuitsby Sedra & Smith
Other books on Electronics
