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Dispozitive electronice
Tema 5
Tranzistorul bipolar.
Principiul de funcţionare,caracteristici
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Istorie
1948 – Tranzistorul cu contact punctiform
1950 – Tranzistorul cu monocristal de germaniu
1951 – Tranzistorul cu joncţiuni crescut
1952 – Tranzistorul cu joncţiuni aliat1952 – Tranzistorul cu monocristal de siliciu
1955 – Tranzistorul cu bază difuzată
1957 – Mascarea cu oxizi
1960 – tranzistorul planar
1960 – Tranzistorul MOS
1960 – Tranzistorul epitaxial
1961 – Circuitul integrat
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Structură şi simboluri
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• BE – polarizata direct
• CB – polarizata invers
Principiul de funcţionare
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Principiul de funcţionare
TRANSfer resISTOR = TRANSISTOR
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Regimuri de funcţionare
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Tipuri de conexiuni
Bază comună Emitor comun Colector comun
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Caracteristicile tranzistorului
Caracteristica de intrare
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Caracteristicile tranzistorului
Caracteristica de ieşire
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Caracteristicile tranzistorului
Caracteristica de transfer
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