Thermal Behaviour of Switching Transistors — Limiting Operating Characteristics

  • G. Fontaine
Part of the Philips Technical Library book series (PTL)


Switching can be defined as the use of ‘all or nothing’ semiconductor devices. The production or reproduction of a rectangular signal is equiva-lent to causing the transistor to change from one level to another. This mode of operation is therefore associated with the production or amplification of perfectly rectangular signals such as that shown in full line in Fig. 310. The transit times, that is the triggering time to instants t2 and t 3 are then considered as negligible. With slow switching we can assume that the signals supplied by the stage considered resemble closely the theoretical signals shown in the figure.


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Copyright information

© N. V. Philips’ Gloeilampenfabrieken, Eindhoven 1971

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  • G. Fontaine

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