The General Feedback Structure

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Feedback
The General Feedback Structure
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Gain Desensitivity
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Noise Reduction
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Reduction in Nonlinear Distortion

1. amplifier transfer characteristic without
   feedback
2. characteristic with negative feedback (b 0.01)
   applied

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Voltage-Mixing Voltage-Sampling (SeriesShunt)
Feedback
voltage amplifier
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Current-Mixing Current-Sampling (ShuntSeries)
Feedback
current amplifier
let Is increase
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Voltage-Mixing Current-Sampling (SeriesSeries)
Feedback
transconductance amplifier
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Current-Mixing Voltage-Sampling (ShuntShunt)
Feedback
transresistance amplifier
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The SeriesShunt Feedback Amplifier
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The Practical Situation
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Rules for Finding the A Circuit and b for the
Voltage-Mixing Voltage-Sampling Case
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Example 8.1
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