Amplifier Matching Examples

  • Jeffery C. Allen
Part of the Systems & Control: Foundations & Applications book series (SCFA)


The Amplifier Matching Problem is a problem of multiobjective trade-offs. As Figure 6.1 illustrates, the goal is to amplify the input signal S i to a larger output signal S 0 , not to amplify the input noise V i to a much larger output noise N 0 , and not to have the entire circuit become unstable and blow up. To achieve these three competing objectives, the amplifier designer optimizes over classes of input and output matching circuits to simultaneously tradeoff

AMP-1 Maximizing the transducer power gain G T .

AMP-2 Minimizing the noise figure F.

AMP-3 Guaranteeing stability: |S 1|≤,|S 2|.

Fig. 6.1.

Amplifier, classes of matching 2-ports, signals, noises, and reflectances.


Multiobjective Optimization Goal Attainment Noise Figure Pareto Point Match Circuit 
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Copyright information

© Springer Science+Business Media New York 2004

Authors and Affiliations

  • Jeffery C. Allen
    • 1
  1. 1.Naval Command Control and Ocean SurveillanceSpace and Naval Warfare Systems CenterSan DiegoUSA

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