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Maximally efficient gain: a figure of merit for linear active 2-ports

Maximally efficient gain: a figure of merit for linear active 2-ports

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A new power/gain invariant is proposed as a high-frequency figure of merit for linear active 2-ports. Using this figure of merit, it is feasible to design amplifiers with potentially unstable devices which have power gains comparable in magnitude to Mason's U function and are optimum in the sense of maximising the 2-port added power.

References

    1. 1)
      • J.M. Rollett . Stability and power-gain invariants of linear two-ports. IRE Trans. , 29 - 32
    2. 2)
      • S.J. Mason . Power gain in feedback amplifiers. IRE Trans. , 20 - 25
    3. 3)
      • K.L. Kotzebue . Microwave-transistor power-amplifier design by large-signal y parameters. Electron. Lett. , 240 - 241
    4. 4)
      • J.G. Linvill , L.G. Schimpf . The design of tetrode transistor amplifiers. Bell Syst. Tech. J. , 813 - 840
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