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The Evolution and Impact of Transistors in Modern Electronics

Explore the transformative journey of transistors from their origins in the 1940s to their pervasive presence in today’s technology. This introduction covers the inception of the bipolar transistor at Bell Labs, leading to the advent of integrated circuits and the miniaturization of electronic devices. Learn about key milestones such as the creation of the first transistor radio, the development of CMOS technology, and how transistors have become essential in both digital and analog circuits. Discover how these tiny components have revolutionized computing and communication, powering devices with millions of transistors today.

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The Evolution and Impact of Transistors in Modern Electronics

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  1. Transistorn – en introduktion Jonny Johansson

  2. Agenda • Då och nu • Hur ser en den ut? • På djupet om CMOS • Grindar

  3. Det var då …. • ENIAC - Electronic Numerical Integrator And Computer, 1946 • 167 m2, 150 kW, 27 ton • 400 multiplikationer per sekund

  4. Nyckel till miniatyrisering • Vacuumrör stora och dyra • Bipolärtransistorn 1947 • Bell Labs • Halvledarkomponent • “Transistorradio” – liten, bärbar • Möjliggjorde integrerade kretsar • Dominant fram till 80-talet • Fälteffekttransistorn, ännu mindre

  5. Visst har det hänt grejer! • Integrerade kretsar • Transistorn är nyckeln • Finns överallt! • Krymper hela tiden • Hel “dator” på ett chip • Miljontals transistorer • Flera miljoner multiplikationer per sekund • Samlar data från omvärlden automatiskt

  6. Transistorn – en “strömkran” “Reservoar” +12 V • Digitala kretsar (datorer) – på eller av • Analoga kretsar (förstärkare) – alla lägen “Kontroll” I + vin -

  7. Fälteffekttransistorn • MOS – Metal Oxide Semiconductor +12 V Drain Gate I + vin Source -

  8. Olika former …. … som lös komponent … … på chip …

  9. En förstärkare +12 V I RD + Drain Gate vout + vin Source - -

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