The tetrode power transistor

@article{Maupin1957TheTP,
  title={The tetrode power transistor},
  author={Joseph T. Maupin},
  journal={IRE Transactions on Electron Devices},
  year={1957},
  volume={4},
  pages={1-5}
}
  • J. Maupin
  • Published 1957
  • Engineering
  • IRE Transactions on Electron Devices
Power transistor circuits are characterized by the fact that the collector current must swing over a wide range of values during any complete cycle of operation. One disadvantage of present-day alloyed junction power transistors is that the current gain decreases with increasing collector current. This causes distortion in linear applications and makes temperature stabilization in switching circuits more difficult. Power transistors having emitter areas large enough to handle currents in the… 
8 Citations
Power Transistors
  • M. Clark
  • Physics
    Proceedings of the IRE
  • 1958
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Existing theories of the junction transistor fail to predict the very significant variation of current-amplification factor, αcb, as the emitter current is varied. This variation has been very
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If a fourth electrode is added to a conventional junction transistor and biased in a suitable way, the base resistance of the transistor is reduced by a very substantial factor. This reduction in ϒb
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This paper discusses some factors which have to be taken into account in the design of high power transistors. An effect of great importance is the reduction of emitter bias caused by transverse